#![allow(non_snake_case)]

use crate::app_config::AppType;
use crate::init_status::{InitErrorPayload, SkillsMigrationPayload};
use crate::services::ProviderService;
use once_cell::sync::Lazy;
use regex::Regex;
use std::collections::HashMap;
use std::path::{Path, PathBuf};
use std::str::FromStr;
use tauri::AppHandle;
use tauri::State;
use tauri_plugin_opener::OpenerExt;

#[cfg(target_os = "windows")]
use std::os::windows::process::CommandExt;

#[cfg(target_os = "windows")]
const CREATE_NO_WINDOW: u32 = 0x08000000;

/// 打开外部链接
#[tauri::command]
pub async fn open_external(app: AppHandle, url: String) -> Result<bool, String> {
    let url = if url.starts_with("http://") || url.starts_with("https://") {
        url
    } else {
        format!("https://{url}")
    };

    app.opener()
        .open_url(&url, None::<String>)
        .map_err(|e| format!("打开链接失败: {e}"))?;

    Ok(true)
}

#[tauri::command]
pub async fn copy_text_to_clipboard(text: String) -> Result<bool, String> {
    // Use spawn_blocking to avoid blocking the async runtime
    // Clipboard access can block on some platforms and may have thread/loop constraints
    tokio::task::spawn_blocking(move || {
        let mut clipboard =
            arboard::Clipboard::new().map_err(|e| format!("访问系统剪贴板失败: {e}"))?;
        clipboard
            .set_text(text)
            .map_err(|e| format!("写入系统剪贴板失败: {e}"))?;
        Ok(true)
    })
    .await
    .map_err(|e| format!("剪贴板任务执行失败: {e}"))?
}

/// 检查更新
#[tauri::command]
pub async fn check_for_updates(handle: AppHandle) -> Result<bool, String> {
    handle
        .opener()
        .open_url(
            "https://github.com/farion1231/cc-switch/releases/latest",
            None::<String>,
        )
        .map_err(|e| format!("打开更新页面失败: {e}"))?;

    Ok(true)
}

/// 判断是否为便携版（绿色版）运行
#[tauri::command]
pub async fn is_portable_mode() -> Result<bool, String> {
    let exe_path = std::env::current_exe().map_err(|e| format!("获取可执行路径失败: {e}"))?;
    if let Some(dir) = exe_path.parent() {
        Ok(dir.join("portable.ini").is_file())
    } else {
        Ok(false)
    }
}

/// 获取应用启动阶段的初始化错误（若有）。
/// 用于前端在早期主动拉取，避免事件订阅竞态导致的提示缺失。
#[tauri::command]
pub async fn get_init_error() -> Result<Option<InitErrorPayload>, String> {
    Ok(crate::init_status::get_init_error())
}

/// 获取 JSON→SQLite 迁移结果（若有）。
/// 只返回一次 true，之后返回 false，用于前端显示一次性 Toast 通知。
#[tauri::command]
pub async fn get_migration_result() -> Result<bool, String> {
    Ok(crate::init_status::take_migration_success())
}

/// 获取 Skills 自动导入（SSOT）迁移结果（若有）。
/// 只返回一次 Some({count})，之后返回 None，用于前端显示一次性 Toast 通知。
#[tauri::command]
pub async fn get_skills_migration_result() -> Result<Option<SkillsMigrationPayload>, String> {
    Ok(crate::init_status::take_skills_migration_result())
}

#[derive(serde::Serialize)]
pub struct ToolVersion {
    name: String,
    version: Option<String>,
    latest_version: Option<String>, // 新增字段：最新版本
    error: Option<String>,
    /// 工具运行环境: "windows", "wsl", "macos", "linux", "unknown"
    env_type: String,
    /// 当 env_type 为 "wsl" 时，返回该工具绑定的 WSL distro（用于按 distro 探测 shells）
    wsl_distro: Option<String>,
}

const VALID_TOOLS: [&str; 4] = ["claude", "codex", "gemini", "opencode"];

#[derive(Debug, Clone, serde::Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct WslShellPreferenceInput {
    #[serde(default)]
    pub wsl_shell: Option<String>,
    #[serde(default)]
    pub wsl_shell_flag: Option<String>,
}

// Keep platform-specific env detection in one place to avoid repeating cfg blocks.
#[cfg(target_os = "windows")]
fn tool_env_type_and_wsl_distro(tool: &str) -> (String, Option<String>) {
    if let Some(distro) = wsl_distro_for_tool(tool) {
        ("wsl".to_string(), Some(distro))
    } else {
        ("windows".to_string(), None)
    }
}

#[cfg(target_os = "macos")]
fn tool_env_type_and_wsl_distro(_tool: &str) -> (String, Option<String>) {
    ("macos".to_string(), None)
}

#[cfg(target_os = "linux")]
fn tool_env_type_and_wsl_distro(_tool: &str) -> (String, Option<String>) {
    ("linux".to_string(), None)
}

#[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "linux")))]
fn tool_env_type_and_wsl_distro(_tool: &str) -> (String, Option<String>) {
    ("unknown".to_string(), None)
}

#[tauri::command]
pub async fn get_tool_versions(
    tools: Option<Vec<String>>,
    wsl_shell_by_tool: Option<HashMap<String, WslShellPreferenceInput>>,
) -> Result<Vec<ToolVersion>, String> {
    // Windows: completely disable tool version detection to prevent
    // accidentally launching apps (e.g. Claude Code) via protocol handlers.
    #[cfg(target_os = "windows")]
    {
        let _ = (tools, wsl_shell_by_tool);
        return Ok(Vec::new());
    }

    #[cfg(not(target_os = "windows"))]
    {
        let requested: Vec<&str> = if let Some(tools) = tools.as_ref() {
            let set: std::collections::HashSet<&str> = tools.iter().map(|s| s.as_str()).collect();
            VALID_TOOLS
                .iter()
                .copied()
                .filter(|t| set.contains(t))
                .collect()
        } else {
            VALID_TOOLS.to_vec()
        };
        let mut results = Vec::new();

        for tool in requested {
            let pref = wsl_shell_by_tool.as_ref().and_then(|m| m.get(tool));
            let tool_wsl_shell = pref.and_then(|p| p.wsl_shell.as_deref());
            let tool_wsl_shell_flag = pref.and_then(|p| p.wsl_shell_flag.as_deref());

            results.push(
                get_single_tool_version_impl(tool, tool_wsl_shell, tool_wsl_shell_flag).await,
            );
        }

        Ok(results)
    }
}

/// 获取单个工具的版本信息（内部实现）
async fn get_single_tool_version_impl(
    tool: &str,
    wsl_shell: Option<&str>,
    wsl_shell_flag: Option<&str>,
) -> ToolVersion {
    debug_assert!(
        VALID_TOOLS.contains(&tool),
        "unexpected tool name in get_single_tool_version_impl: {tool}"
    );

    // 判断该工具的运行环境 & WSL distro（如有）
    let (env_type, wsl_distro) = tool_env_type_and_wsl_distro(tool);

    // 使用全局 HTTP 客户端（已包含代理配置）
    let client = crate::proxy::http_client::get();

    // 1. 获取本地版本
    let (local_version, local_error) = if let Some(distro) = wsl_distro.as_deref() {
        try_get_version_wsl(tool, distro, wsl_shell, wsl_shell_flag)
    } else {
        let direct_result = try_get_version(tool);
        if direct_result.0.is_some() {
            direct_result
        } else {
            scan_cli_version(tool)
        }
    };

    // 2. 获取远程最新版本
    let latest_version = match tool {
        "claude" => fetch_npm_latest_version(&client, "@anthropic-ai/claude-code").await,
        "codex" => fetch_npm_latest_version(&client, "@openai/codex").await,
        "gemini" => fetch_npm_latest_version(&client, "@google/gemini-cli").await,
        "opencode" => fetch_github_latest_version(&client, "anomalyco/opencode").await,
        _ => None,
    };

    ToolVersion {
        name: tool.to_string(),
        version: local_version,
        latest_version,
        error: local_error,
        env_type,
        wsl_distro,
    }
}

/// Helper function to fetch latest version from npm registry
async fn fetch_npm_latest_version(client: &reqwest::Client, package: &str) -> Option<String> {
    let url = format!("https://registry.npmjs.org/{package}");
    match client.get(&url).send().await {
        Ok(resp) => {
            if let Ok(json) = resp.json::<serde_json::Value>().await {
                json.get("dist-tags")
                    .and_then(|tags| tags.get("latest"))
                    .and_then(|v| v.as_str())
                    .map(|s| s.to_string())
            } else {
                None
            }
        }
        Err(_) => None,
    }
}

/// Helper function to fetch latest version from GitHub releases
async fn fetch_github_latest_version(client: &reqwest::Client, repo: &str) -> Option<String> {
    let url = format!("https://api.github.com/repos/{repo}/releases/latest");
    match client
        .get(&url)
        .header("User-Agent", "cc-switch")
        .header("Accept", "application/vnd.github+json")
        .send()
        .await
    {
        Ok(resp) => {
            if let Ok(json) = resp.json::<serde_json::Value>().await {
                json.get("tag_name")
                    .and_then(|v| v.as_str())
                    .map(|s| s.strip_prefix('v').unwrap_or(s).to_string())
            } else {
                None
            }
        }
        Err(_) => None,
    }
}

/// 预编译的版本号正则表达式
static VERSION_RE: Lazy<Regex> =
    Lazy::new(|| Regex::new(r"\d+\.\d+\.\d+(-[\w.]+)?").expect("Invalid version regex"));

/// 从版本输出中提取纯版本号
fn extract_version(raw: &str) -> String {
    VERSION_RE
        .find(raw)
        .map(|m| m.as_str().to_string())
        .unwrap_or_else(|| raw.to_string())
}

/// 尝试直接执行命令获取版本
fn try_get_version(tool: &str) -> (Option<String>, Option<String>) {
    use std::process::Command;

    #[cfg(target_os = "windows")]
    let output = {
        Command::new("cmd")
            .args(["/C", &format!("{tool} --version")])
            .creation_flags(CREATE_NO_WINDOW)
            .output()
    };

    #[cfg(not(target_os = "windows"))]
    let output = {
        Command::new("sh")
            .arg("-c")
            .arg(format!("{tool} --version"))
            .output()
    };

    match output {
        Ok(out) => {
            let stdout = String::from_utf8_lossy(&out.stdout).trim().to_string();
            let stderr = String::from_utf8_lossy(&out.stderr).trim().to_string();
            if out.status.success() {
                let raw = if stdout.is_empty() { &stderr } else { &stdout };
                if raw.is_empty() {
                    (None, Some("not installed or not executable".to_string()))
                } else {
                    (Some(extract_version(raw)), None)
                }
            } else {
                let err = if stderr.is_empty() { stdout } else { stderr };
                (
                    None,
                    Some(if err.is_empty() {
                        "not installed or not executable".to_string()
                    } else {
                        err
                    }),
                )
            }
        }
        Err(e) => (None, Some(e.to_string())),
    }
}

/// 校验 WSL 发行版名称是否合法
/// WSL 发行版名称只允许字母、数字、连字符和下划线
#[cfg(target_os = "windows")]
fn is_valid_wsl_distro_name(name: &str) -> bool {
    !name.is_empty()
        && name.len() <= 64
        && name
            .chars()
            .all(|c| c.is_ascii_alphanumeric() || c == '-' || c == '_' || c == '.')
}

/// Validate that the given shell name is one of the allowed shells.
#[cfg(target_os = "windows")]
fn is_valid_shell(shell: &str) -> bool {
    matches!(
        shell.rsplit('/').next().unwrap_or(shell),
        "sh" | "bash" | "zsh" | "fish" | "dash"
    )
}

/// Validate that the given shell flag is one of the allowed flags.
#[cfg(target_os = "windows")]
fn is_valid_shell_flag(flag: &str) -> bool {
    matches!(flag, "-c" | "-lc" | "-lic")
}

/// Return the default invocation flag for the given shell.
#[cfg(target_os = "windows")]
fn default_flag_for_shell(shell: &str) -> &'static str {
    match shell.rsplit('/').next().unwrap_or(shell) {
        "dash" | "sh" => "-c",
        "fish" => "-lc",
        _ => "-lic",
    }
}

#[cfg(target_os = "windows")]
fn try_get_version_wsl(
    tool: &str,
    distro: &str,
    force_shell: Option<&str>,
    force_shell_flag: Option<&str>,
) -> (Option<String>, Option<String>) {
    use std::process::Command;

    // 防御性断言：tool 只能是预定义的值
    debug_assert!(
        ["claude", "codex", "gemini", "opencode"].contains(&tool),
        "unexpected tool name: {tool}"
    );

    // 校验 distro 名称，防止命令注入
    if !is_valid_wsl_distro_name(distro) {
        return (None, Some(format!("[WSL:{distro}] invalid distro name")));
    }

    // 构建 Shell 脚本检测逻辑
    let (shell, flag, cmd) = if let Some(shell) = force_shell {
        // Defensive validation: never allow an arbitrary executable name here.
        if !is_valid_shell(shell) {
            return (None, Some(format!("[WSL:{distro}] invalid shell: {shell}")));
        }
        let shell = shell.rsplit('/').next().unwrap_or(shell);
        let flag = if let Some(flag) = force_shell_flag {
            if !is_valid_shell_flag(flag) {
                return (
                    None,
                    Some(format!("[WSL:{distro}] invalid shell flag: {flag}")),
                );
            }
            flag
        } else {
            default_flag_for_shell(shell)
        };

        (shell.to_string(), flag, format!("{tool} --version"))
    } else {
        let cmd = if let Some(flag) = force_shell_flag {
            if !is_valid_shell_flag(flag) {
                return (
                    None,
                    Some(format!("[WSL:{distro}] invalid shell flag: {flag}")),
                );
            }
            format!("\"${{SHELL:-sh}}\" {flag} '{tool} --version'")
        } else {
            // 兜底：自动尝试 -lic, -lc, -c
            format!(
                "\"${{SHELL:-sh}}\" -lic '{tool} --version' 2>/dev/null || \"${{SHELL:-sh}}\" -lc '{tool} --version' 2>/dev/null || \"${{SHELL:-sh}}\" -c '{tool} --version'"
            )
        };

        ("sh".to_string(), "-c", cmd)
    };

    let output = Command::new("wsl.exe")
        .args(["-d", distro, "--", &shell, flag, &cmd])
        .creation_flags(CREATE_NO_WINDOW)
        .output();

    match output {
        Ok(out) => {
            let stdout = String::from_utf8_lossy(&out.stdout).trim().to_string();
            let stderr = String::from_utf8_lossy(&out.stderr).trim().to_string();
            if out.status.success() {
                let raw = if stdout.is_empty() { &stderr } else { &stdout };
                if raw.is_empty() {
                    (
                        None,
                        Some(format!("[WSL:{distro}] not installed or not executable")),
                    )
                } else {
                    (Some(extract_version(raw)), None)
                }
            } else {
                let err = if stderr.is_empty() { stdout } else { stderr };
                (
                    None,
                    Some(format!(
                        "[WSL:{distro}] {}",
                        if err.is_empty() {
                            "not installed or not executable".to_string()
                        } else {
                            err
                        }
                    )),
                )
            }
        }
        Err(e) => (None, Some(format!("[WSL:{distro}] exec failed: {e}"))),
    }
}

/// 非 Windows 平台的 WSL 版本检测存根
/// 注意：此函数实际上不会被调用，因为 `wsl_distro_from_path` 在非 Windows 平台总是返回 None。
/// 保留此函数是为了保持 API 一致性，防止未来重构时遗漏。
#[cfg(not(target_os = "windows"))]
fn try_get_version_wsl(
    _tool: &str,
    _distro: &str,
    _force_shell: Option<&str>,
    _force_shell_flag: Option<&str>,
) -> (Option<String>, Option<String>) {
    (
        None,
        Some("WSL check not supported on this platform".to_string()),
    )
}

fn push_unique_path(paths: &mut Vec<std::path::PathBuf>, path: std::path::PathBuf) {
    if path.as_os_str().is_empty() {
        return;
    }

    if !paths.iter().any(|existing| existing == &path) {
        paths.push(path);
    }
}

fn push_env_single_dir(paths: &mut Vec<std::path::PathBuf>, value: Option<std::ffi::OsString>) {
    if let Some(raw) = value {
        push_unique_path(paths, std::path::PathBuf::from(raw));
    }
}

fn extend_from_path_list(
    paths: &mut Vec<std::path::PathBuf>,
    value: Option<std::ffi::OsString>,
    suffix: Option<&str>,
) {
    if let Some(raw) = value {
        for p in std::env::split_paths(&raw) {
            let dir = match suffix {
                Some(s) => p.join(s),
                None => p,
            };
            push_unique_path(paths, dir);
        }
    }
}

/// OpenCode install.sh 路径优先级（见 https://github.com/anomalyco/opencode README）:
///   $OPENCODE_INSTALL_DIR > $XDG_BIN_DIR > $HOME/bin > $HOME/.opencode/bin
/// 额外扫描 Bun 默认全局安装路径（~/.bun/bin）
/// 和 Go 安装路径（~/go/bin、$GOPATH/*/bin）。
fn opencode_extra_search_paths(
    home: &Path,
    opencode_install_dir: Option<std::ffi::OsString>,
    xdg_bin_dir: Option<std::ffi::OsString>,
    gopath: Option<std::ffi::OsString>,
) -> Vec<std::path::PathBuf> {
    let mut paths = Vec::new();

    push_env_single_dir(&mut paths, opencode_install_dir);
    push_env_single_dir(&mut paths, xdg_bin_dir);

    if !home.as_os_str().is_empty() {
        push_unique_path(&mut paths, home.join("bin"));
        push_unique_path(&mut paths, home.join(".opencode").join("bin"));
        push_unique_path(&mut paths, home.join(".bun").join("bin"));
        push_unique_path(&mut paths, home.join("go").join("bin"));
    }

    extend_from_path_list(&mut paths, gopath, Some("bin"));

    paths
}

fn tool_executable_candidates(tool: &str, dir: &Path) -> Vec<std::path::PathBuf> {
    #[cfg(target_os = "windows")]
    {
        vec![
            dir.join(format!("{tool}.cmd")),
            dir.join(format!("{tool}.exe")),
            dir.join(tool),
        ]
    }

    #[cfg(not(target_os = "windows"))]
    {
        vec![dir.join(tool)]
    }
}

/// 扫描常见路径查找 CLI
fn scan_cli_version(tool: &str) -> (Option<String>, Option<String>) {
    use std::process::Command;

    let home = dirs::home_dir().unwrap_or_default();

    // 常见的安装路径（原生安装优先）
    let mut search_paths: Vec<std::path::PathBuf> = Vec::new();
    if !home.as_os_str().is_empty() {
        push_unique_path(&mut search_paths, home.join(".local/bin"));
        push_unique_path(&mut search_paths, home.join(".npm-global/bin"));
        push_unique_path(&mut search_paths, home.join("n/bin"));
        push_unique_path(&mut search_paths, home.join(".volta/bin"));
    }

    #[cfg(target_os = "macos")]
    {
        push_unique_path(
            &mut search_paths,
            std::path::PathBuf::from("/opt/homebrew/bin"),
        );
        push_unique_path(
            &mut search_paths,
            std::path::PathBuf::from("/usr/local/bin"),
        );
    }

    #[cfg(target_os = "linux")]
    {
        push_unique_path(
            &mut search_paths,
            std::path::PathBuf::from("/usr/local/bin"),
        );
        push_unique_path(&mut search_paths, std::path::PathBuf::from("/usr/bin"));
    }

    #[cfg(target_os = "windows")]
    {
        if let Some(appdata) = dirs::data_dir() {
            push_unique_path(&mut search_paths, appdata.join("npm"));
        }
        push_unique_path(
            &mut search_paths,
            std::path::PathBuf::from("C:\\Program Files\\nodejs"),
        );
    }

    let fnm_base = home.join(".local/state/fnm_multishells");
    if fnm_base.exists() {
        if let Ok(entries) = std::fs::read_dir(&fnm_base) {
            for entry in entries.flatten() {
                let bin_path = entry.path().join("bin");
                if bin_path.exists() {
                    push_unique_path(&mut search_paths, bin_path);
                }
            }
        }
    }

    let nvm_base = home.join(".nvm/versions/node");
    if nvm_base.exists() {
        if let Ok(entries) = std::fs::read_dir(&nvm_base) {
            for entry in entries.flatten() {
                let bin_path = entry.path().join("bin");
                if bin_path.exists() {
                    push_unique_path(&mut search_paths, bin_path);
                }
            }
        }
    }

    if tool == "opencode" {
        let extra_paths = opencode_extra_search_paths(
            &home,
            std::env::var_os("OPENCODE_INSTALL_DIR"),
            std::env::var_os("XDG_BIN_DIR"),
            std::env::var_os("GOPATH"),
        );

        for path in extra_paths {
            push_unique_path(&mut search_paths, path);
        }
    }

    let current_path = std::env::var("PATH").unwrap_or_default();

    for path in &search_paths {
        #[cfg(target_os = "windows")]
        let new_path = format!("{};{}", path.display(), current_path);

        #[cfg(not(target_os = "windows"))]
        let new_path = format!("{}:{}", path.display(), current_path);

        for tool_path in tool_executable_candidates(tool, path) {
            if !tool_path.exists() {
                continue;
            }

            #[cfg(target_os = "windows")]
            let output = {
                Command::new("cmd")
                    .args(["/C", &format!("\"{}\" --version", tool_path.display())])
                    .env("PATH", &new_path)
                    .creation_flags(CREATE_NO_WINDOW)
                    .output()
            };

            #[cfg(not(target_os = "windows"))]
            let output = {
                Command::new(&tool_path)
                    .arg("--version")
                    .env("PATH", &new_path)
                    .output()
            };

            if let Ok(out) = output {
                let stdout = String::from_utf8_lossy(&out.stdout).trim().to_string();
                let stderr = String::from_utf8_lossy(&out.stderr).trim().to_string();
                if out.status.success() {
                    let raw = if stdout.is_empty() { &stderr } else { &stdout };
                    if !raw.is_empty() {
                        return (Some(extract_version(raw)), None);
                    }
                }
            }
        }
    }

    (None, Some("not installed or not executable".to_string()))
}

#[cfg(target_os = "windows")]
fn wsl_distro_for_tool(tool: &str) -> Option<String> {
    let override_dir = match tool {
        "claude" => crate::settings::get_claude_override_dir(),
        "codex" => crate::settings::get_codex_override_dir(),
        "gemini" => crate::settings::get_gemini_override_dir(),
        "opencode" => crate::settings::get_opencode_override_dir(),
        _ => None,
    }?;

    wsl_distro_from_path(&override_dir)
}

/// 从 UNC 路径中提取 WSL 发行版名称
/// 支持 `\\wsl$\Ubuntu\...` 和 `\\wsl.localhost\Ubuntu\...` 两种格式
#[cfg(target_os = "windows")]
fn wsl_distro_from_path(path: &Path) -> Option<String> {
    use std::path::{Component, Prefix};
    let Some(Component::Prefix(prefix)) = path.components().next() else {
        return None;
    };
    match prefix.kind() {
        Prefix::UNC(server, share) | Prefix::VerbatimUNC(server, share) => {
            let server_name = server.to_string_lossy();
            if server_name.eq_ignore_ascii_case("wsl$")
                || server_name.eq_ignore_ascii_case("wsl.localhost")
            {
                let distro = share.to_string_lossy().to_string();
                if !distro.is_empty() {
                    return Some(distro);
                }
            }
            None
        }
        _ => None,
    }
}

/// 打开指定提供商的终端
///
/// 根据提供商配置的环境变量启动一个带有该提供商特定设置的终端
/// 无需检查是否为当前激活的提供商，任何提供商都可以打开终端
#[allow(non_snake_case)]
#[tauri::command]
pub async fn open_provider_terminal(
    state: State<'_, crate::store::AppState>,
    app: String,
    #[allow(non_snake_case)] providerId: String,
    cwd: Option<String>,
) -> Result<bool, String> {
    let app_type = AppType::from_str(&app).map_err(|e| e.to_string())?;
    let launch_cwd = resolve_launch_cwd(cwd)?;

    // 获取提供商配置
    let providers = ProviderService::list(state.inner(), app_type.clone())
        .map_err(|e| format!("获取提供商列表失败: {e}"))?;

    let provider = providers
        .get(&providerId)
        .ok_or_else(|| format!("提供商 {providerId} 不存在"))?;

    // 从提供商配置中提取环境变量
    let config = &provider.settings_config;
    let env_vars = extract_env_vars_from_config(config, &app_type);

    // 根据平台启动终端，传入提供商ID用于生成唯一的配置文件名
    launch_terminal_with_env(env_vars, &providerId, launch_cwd.as_deref())
        .map_err(|e| format!("启动终端失败: {e}"))?;

    Ok(true)
}

/// 从提供商配置中提取环境变量
fn extract_env_vars_from_config(
    config: &serde_json::Value,
    app_type: &AppType,
) -> Vec<(String, String)> {
    let mut env_vars = Vec::new();

    let Some(obj) = config.as_object() else {
        return env_vars;
    };

    // 处理 env 字段（Claude/Gemini 通用）
    if let Some(env) = obj.get("env").and_then(|v| v.as_object()) {
        for (key, value) in env {
            if let Some(str_val) = value.as_str() {
                env_vars.push((key.clone(), str_val.to_string()));
            }
        }

        // 处理 base_url: 根据应用类型添加对应的环境变量
        let base_url_key = match app_type {
            AppType::Claude => Some("ANTHROPIC_BASE_URL"),
            AppType::Gemini => Some("GOOGLE_GEMINI_BASE_URL"),
            _ => None,
        };

        if let Some(key) = base_url_key {
            if let Some(url_str) = env.get(key).and_then(|v| v.as_str()) {
                env_vars.push((key.to_string(), url_str.to_string()));
            }
        }
    }

    // Codex 使用 auth 字段转换为 OPENAI_API_KEY
    if *app_type == AppType::Codex {
        if let Some(auth) = obj.get("auth").and_then(|v| v.as_str()) {
            env_vars.push(("OPENAI_API_KEY".to_string(), auth.to_string()));
        }
    }

    // Gemini 使用 api_key 字段转换为 GEMINI_API_KEY
    if *app_type == AppType::Gemini {
        if let Some(api_key) = obj.get("api_key").and_then(|v| v.as_str()) {
            env_vars.push(("GEMINI_API_KEY".to_string(), api_key.to_string()));
        }
    }

    env_vars
}

fn resolve_launch_cwd(cwd: Option<String>) -> Result<Option<PathBuf>, String> {
    let Some(raw_path) = cwd.filter(|value| !value.trim().is_empty()) else {
        return Ok(None);
    };

    if raw_path.contains('\n') || raw_path.contains('\r') {
        return Err("目录路径包含非法换行符".to_string());
    }

    let path = Path::new(&raw_path);
    if !path.exists() {
        return Err(format!("目录不存在: {raw_path}"));
    }

    let resolved = std::fs::canonicalize(path).map_err(|e| format!("解析目录失败: {e}"))?;
    if !resolved.is_dir() {
        return Err(format!("选择的路径不是文件夹: {}", resolved.display()));
    }

    // Strip Windows extended-length prefix that canonicalize produces,
    // as it can break batch scripts and other shell commands.
    // Special-case \\?\UNC\server\share -> \\server\share for network/WSL paths.
    #[cfg(target_os = "windows")]
    let resolved = {
        let s = resolved.to_string_lossy();
        if let Some(unc) = s.strip_prefix(r"\\?\UNC\") {
            PathBuf::from(format!(r"\\{unc}"))
        } else if let Some(stripped) = s.strip_prefix(r"\\?\") {
            PathBuf::from(stripped)
        } else {
            resolved
        }
    };

    Ok(Some(resolved))
}

/// 创建临时配置文件并启动 claude 终端
/// 使用 --settings 参数传入提供商特定的 API 配置
fn launch_terminal_with_env(
    env_vars: Vec<(String, String)>,
    provider_id: &str,
    cwd: Option<&Path>,
) -> Result<(), String> {
    let temp_dir = std::env::temp_dir();
    let config_file = temp_dir.join(format!(
        "claude_{}_{}.json",
        provider_id,
        std::process::id()
    ));

    // 创建并写入配置文件
    write_claude_config(&config_file, &env_vars)?;

    #[cfg(target_os = "macos")]
    {
        launch_macos_terminal(&config_file, cwd)?;
        Ok(())
    }

    #[cfg(target_os = "linux")]
    {
        launch_linux_terminal(&config_file, cwd)?;
        Ok(())
    }

    #[cfg(target_os = "windows")]
    {
        launch_windows_terminal(&temp_dir, &config_file, cwd)?;
        return Ok(());
    }

    #[cfg(not(any(target_os = "macos", target_os = "linux", target_os = "windows")))]
    Err("不支持的操作系统".to_string())
}

/// 写入 claude 配置文件
fn write_claude_config(
    config_file: &std::path::Path,
    env_vars: &[(String, String)],
) -> Result<(), String> {
    let mut config_obj = serde_json::Map::new();
    let mut env_obj = serde_json::Map::new();

    for (key, value) in env_vars {
        env_obj.insert(key.clone(), serde_json::Value::String(value.clone()));
    }

    config_obj.insert("env".to_string(), serde_json::Value::Object(env_obj));

    let config_json =
        serde_json::to_string_pretty(&config_obj).map_err(|e| format!("序列化配置失败: {e}"))?;

    std::fs::write(config_file, config_json).map_err(|e| format!("写入配置文件失败: {e}"))
}

/// macOS: 根据用户首选终端启动
#[cfg(target_os = "macos")]
fn launch_macos_terminal(config_file: &std::path::Path, cwd: Option<&Path>) -> Result<(), String> {
    use std::os::unix::fs::PermissionsExt;

    let preferred = crate::settings::get_preferred_terminal();
    let terminal = preferred.as_deref().unwrap_or("terminal");

    let temp_dir = std::env::temp_dir();
    let script_file = temp_dir.join(format!("cc_switch_launcher_{}.sh", std::process::id()));
    let config_path = config_file.to_string_lossy();
    let cd_command = build_shell_cd_command(cwd);

    // Write the shell script to a temp file
    let script_content = format!(
        r#"#!/bin/bash
trap 'rm -f "{config_path}" "{script_file}"' EXIT
{cd_command}
echo "Using provider-specific claude config:"
echo "{config_path}"
claude --settings "{config_path}"
exec bash --norc --noprofile
"#,
        config_path = config_path,
        script_file = script_file.display(),
        cd_command = cd_command,
    );

    std::fs::write(&script_file, &script_content).map_err(|e| format!("写入启动脚本失败: {e}"))?;

    // Make script executable
    std::fs::set_permissions(&script_file, std::fs::Permissions::from_mode(0o755))
        .map_err(|e| format!("设置脚本权限失败: {e}"))?;

    // Try the preferred terminal first, fall back to Terminal.app if it fails
    // Note: Kitty doesn't need the -e flag, others do
    let result = match terminal {
        "iterm2" => launch_macos_iterm2(&script_file),
        "alacritty" => launch_macos_open_app("Alacritty", &script_file, true),
        "kitty" => launch_macos_open_app("kitty", &script_file, false),
        "ghostty" => launch_macos_open_app("Ghostty", &script_file, true),
        "wezterm" => launch_macos_open_app("WezTerm", &script_file, true),
        "kaku" => launch_macos_open_app("Kaku", &script_file, true),
        _ => launch_macos_terminal_app(&script_file), // "terminal" or default
    };

    // If preferred terminal fails and it's not the default, try Terminal.app as fallback
    if result.is_err() && terminal != "terminal" {
        log::warn!(
            "首选终端 {} 启动失败，回退到 Terminal.app: {:?}",
            terminal,
            result.as_ref().err()
        );
        return launch_macos_terminal_app(&script_file);
    }

    result
}

/// macOS: Terminal.app
#[cfg(target_os = "macos")]
fn launch_macos_terminal_app(script_file: &std::path::Path) -> Result<(), String> {
    use std::process::Command;

    let applescript = format!(
        r#"tell application "Terminal"
    activate
    do script "bash '{}'"
end tell"#,
        script_file.display()
    );

    let output = Command::new("osascript")
        .arg("-e")
        .arg(&applescript)
        .output()
        .map_err(|e| format!("执行 osascript 失败: {e}"))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!(
            "Terminal.app 执行失败 (exit code: {:?}): {}",
            output.status.code(),
            stderr
        ));
    }

    Ok(())
}

/// macOS: iTerm2
#[cfg(target_os = "macos")]
fn launch_macos_iterm2(script_file: &std::path::Path) -> Result<(), String> {
    use std::process::Command;

    let applescript = format!(
        r#"tell application "iTerm"
    activate
    tell current window
        create tab with default profile
        tell current session
            write text "bash '{}'"
        end tell
    end tell
end tell"#,
        script_file.display()
    );

    let output = Command::new("osascript")
        .arg("-e")
        .arg(&applescript)
        .output()
        .map_err(|e| format!("执行 osascript 失败: {e}"))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!(
            "iTerm2 执行失败 (exit code: {:?}): {}",
            output.status.code(),
            stderr
        ));
    }

    Ok(())
}

/// macOS: 使用 open -a 启动支持 --args 参数的终端（Alacritty/Kitty/Ghostty）
#[cfg(target_os = "macos")]
fn launch_macos_open_app(
    app_name: &str,
    script_file: &std::path::Path,
    use_e_flag: bool,
) -> Result<(), String> {
    use std::process::Command;

    let mut cmd = Command::new("open");
    cmd.arg("-a").arg(app_name).arg("--args");

    if use_e_flag {
        cmd.arg("-e");
    }
    cmd.arg("bash").arg(script_file);

    let output = cmd
        .output()
        .map_err(|e| format!("启动 {app_name} 失败: {e}"))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!(
            "{} 启动失败 (exit code: {:?}): {}",
            app_name,
            output.status.code(),
            stderr
        ));
    }

    Ok(())
}

/// Linux: 根据用户首选终端启动
#[cfg(target_os = "linux")]
fn launch_linux_terminal(config_file: &std::path::Path, cwd: Option<&Path>) -> Result<(), String> {
    use std::os::unix::fs::PermissionsExt;
    use std::process::Command;

    let preferred = crate::settings::get_preferred_terminal();

    // Default terminal list with their arguments
    let default_terminals = [
        ("gnome-terminal", vec!["--"]),
        ("konsole", vec!["-e"]),
        ("xfce4-terminal", vec!["-e"]),
        ("mate-terminal", vec!["--"]),
        ("lxterminal", vec!["-e"]),
        ("alacritty", vec!["-e"]),
        ("kitty", vec!["-e"]),
        ("ghostty", vec!["-e"]),
    ];

    // Create temp script file
    let temp_dir = std::env::temp_dir();
    let script_file = temp_dir.join(format!("cc_switch_launcher_{}.sh", std::process::id()));
    let config_path = config_file.to_string_lossy();
    let cd_command = build_shell_cd_command(cwd);

    let script_content = format!(
        r#"#!/bin/bash
trap 'rm -f "{config_path}" "{script_file}"' EXIT
{cd_command}
echo "Using provider-specific claude config:"
echo "{config_path}"
claude --settings "{config_path}"
exec bash --norc --noprofile
"#,
        config_path = config_path,
        script_file = script_file.display(),
        cd_command = cd_command,
    );

    std::fs::write(&script_file, &script_content).map_err(|e| format!("写入启动脚本失败: {e}"))?;

    std::fs::set_permissions(&script_file, std::fs::Permissions::from_mode(0o755))
        .map_err(|e| format!("设置脚本权限失败: {e}"))?;

    // Build terminal list: preferred terminal first (if specified), then defaults
    let terminals_to_try: Vec<(&str, Vec<&str>)> = if let Some(ref pref) = preferred {
        // Find the preferred terminal's args from default list
        let pref_args = default_terminals
            .iter()
            .find(|(name, _)| *name == pref.as_str())
            .map(|(_, args)| args.to_vec())
            .unwrap_or_else(|| vec!["-e"]); // Default args for unknown terminals

        let mut list = vec![(pref.as_str(), pref_args)];
        // Add remaining terminals as fallbacks
        for (name, args) in &default_terminals {
            if *name != pref.as_str() {
                list.push((*name, args.to_vec()));
            }
        }
        list
    } else {
        default_terminals
            .iter()
            .map(|(name, args)| (*name, args.to_vec()))
            .collect()
    };

    let mut last_error = String::from("未找到可用的终端");

    for (terminal, args) in terminals_to_try {
        // Check if terminal exists in common paths
        let terminal_exists = std::path::Path::new(&format!("/usr/bin/{}", terminal)).exists()
            || std::path::Path::new(&format!("/bin/{}", terminal)).exists()
            || std::path::Path::new(&format!("/usr/local/bin/{}", terminal)).exists()
            || which_command(terminal);

        if terminal_exists {
            let result = Command::new(terminal)
                .args(&args)
                .arg("bash")
                .arg(script_file.to_string_lossy().as_ref())
                .spawn();

            match result {
                Ok(_) => return Ok(()),
                Err(e) => {
                    last_error = format!("执行 {} 失败: {}", terminal, e);
                }
            }
        }
    }

    // Clean up on failure
    let _ = std::fs::remove_file(&script_file);
    let _ = std::fs::remove_file(config_file);
    Err(last_error)
}

/// Check if a command exists using `which`
#[cfg(target_os = "linux")]
fn which_command(cmd: &str) -> bool {
    use std::process::Command;
    Command::new("which")
        .arg(cmd)
        .output()
        .map(|o| o.status.success())
        .unwrap_or(false)
}

/// Windows: 根据用户首选终端启动
#[cfg(target_os = "windows")]
fn launch_windows_terminal(
    temp_dir: &std::path::Path,
    config_file: &std::path::Path,
    cwd: Option<&Path>,
) -> Result<(), String> {
    let preferred = crate::settings::get_preferred_terminal();
    let terminal = preferred.as_deref().unwrap_or("cmd");

    let bat_file = temp_dir.join(format!("cc_switch_claude_{}.bat", std::process::id()));
    let config_path_for_batch = escape_windows_batch_value(&config_file.to_string_lossy());
    let cwd_command = build_windows_cwd_command(cwd);

    let content = format!(
        "@echo off
{cwd_command}
echo Using provider-specific claude config:
echo {}
claude --settings \"{}\"
del \"{}\" >nul 2>&1
del \"%~f0\" >nul 2>&1
",
        config_path_for_batch,
        config_path_for_batch,
        config_path_for_batch,
        cwd_command = cwd_command,
    );

    std::fs::write(&bat_file, &content).map_err(|e| format!("写入批处理文件失败: {e}"))?;

    let bat_path = bat_file.to_string_lossy();
    let ps_cmd = format!("& '{}'", bat_path);

    // Try the preferred terminal first
    let result = match terminal {
        "powershell" => run_windows_start_command(
            &["powershell", "-NoExit", "-Command", &ps_cmd],
            "PowerShell",
        ),
        "wt" => run_windows_start_command(&["wt", "cmd", "/K", &bat_path], "Windows Terminal"),
        _ => run_windows_start_command(&["cmd", "/K", &bat_path], "cmd"), // "cmd" or default
    };

    // If preferred terminal fails and it's not the default, try cmd as fallback
    if result.is_err() && terminal != "cmd" {
        log::warn!(
            "首选终端 {} 启动失败，回退到 cmd: {:?}",
            terminal,
            result.as_ref().err()
        );
        return run_windows_start_command(&["cmd", "/K", &bat_path], "cmd");
    }

    result
}

fn build_shell_cd_command(cwd: Option<&Path>) -> String {
    cwd.map(|dir| {
        format!(
            "cd {} || exit 1\n",
            shell_single_quote(&dir.to_string_lossy())
        )
    })
    .unwrap_or_default()
}

fn shell_single_quote(value: &str) -> String {
    format!("'{}'", value.replace('\'', "'\"'\"'"))
}

#[cfg_attr(not(target_os = "windows"), allow(dead_code))]
fn is_windows_unc_path(path: &str) -> bool {
    path.starts_with(r"\\")
}

#[cfg_attr(not(target_os = "windows"), allow(dead_code))]
fn build_windows_cwd_command_str(path: &str) -> String {
    let escaped = escape_windows_batch_value(path);

    if is_windows_unc_path(path) {
        // `cmd.exe` cannot make a UNC path current via `cd`; `pushd` maps it first.
        format!("pushd \"{escaped}\" || exit /b 1\r\n")
    } else {
        format!("cd /d \"{escaped}\" || exit /b 1\r\n")
    }
}

#[cfg(target_os = "windows")]
fn build_windows_cwd_command(cwd: Option<&Path>) -> String {
    cwd.map(|dir| build_windows_cwd_command_str(&dir.to_string_lossy()))
        .unwrap_or_default()
}

#[cfg_attr(not(target_os = "windows"), allow(dead_code))]
fn escape_windows_batch_value(value: &str) -> String {
    value
        .replace('^', "^^")
        .replace('%', "%%")
        .replace('&', "^&")
        .replace('|', "^|")
        .replace('<', "^<")
        .replace('>', "^>")
        .replace('(', "^(")
        .replace(')', "^)")
}
/// Windows: Run a start command with common error handling
#[cfg(target_os = "windows")]
fn run_windows_start_command(args: &[&str], terminal_name: &str) -> Result<(), String> {
    use std::process::Command;

    let mut full_args = vec!["/C", "start"];
    full_args.extend(args);

    let output = Command::new("cmd")
        .args(&full_args)
        .creation_flags(CREATE_NO_WINDOW)
        .output()
        .map_err(|e| format!("启动 {} 失败: {e}", terminal_name))?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        return Err(format!(
            "{} 启动失败 (exit code: {:?}): {}",
            terminal_name,
            output.status.code(),
            stderr
        ));
    }

    Ok(())
}

/// 设置窗口主题（Windows/macOS 标题栏颜色）
/// theme: "dark" | "light" | "system"
#[tauri::command]
pub async fn set_window_theme(window: tauri::Window, theme: String) -> Result<(), String> {
    use tauri::Theme;

    let tauri_theme = match theme.as_str() {
        "dark" => Some(Theme::Dark),
        "light" => Some(Theme::Light),
        _ => None, // system default
    };

    window.set_theme(tauri_theme).map_err(|e| e.to_string())
}

#[cfg(test)]
mod tests {
    use super::*;
    use std::path::PathBuf;

    #[test]
    fn test_extract_version() {
        assert_eq!(extract_version("claude 1.0.20"), "1.0.20");
        assert_eq!(extract_version("v2.3.4-beta.1"), "2.3.4-beta.1");
        assert_eq!(extract_version("no version here"), "no version here");
    }

    #[cfg(target_os = "windows")]
    mod wsl_helpers {
        use super::super::*;

        #[test]
        fn test_is_valid_shell() {
            assert!(is_valid_shell("bash"));
            assert!(is_valid_shell("zsh"));
            assert!(is_valid_shell("sh"));
            assert!(is_valid_shell("fish"));
            assert!(is_valid_shell("dash"));
            assert!(is_valid_shell("/usr/bin/bash"));
            assert!(is_valid_shell("/bin/zsh"));
            assert!(!is_valid_shell("powershell"));
            assert!(!is_valid_shell("cmd"));
            assert!(!is_valid_shell(""));
        }

        #[test]
        fn test_is_valid_shell_flag() {
            assert!(is_valid_shell_flag("-c"));
            assert!(is_valid_shell_flag("-lc"));
            assert!(is_valid_shell_flag("-lic"));
            assert!(!is_valid_shell_flag("-x"));
            assert!(!is_valid_shell_flag(""));
            assert!(!is_valid_shell_flag("--login"));
        }

        #[test]
        fn test_default_flag_for_shell() {
            assert_eq!(default_flag_for_shell("sh"), "-c");
            assert_eq!(default_flag_for_shell("dash"), "-c");
            assert_eq!(default_flag_for_shell("/bin/dash"), "-c");
            assert_eq!(default_flag_for_shell("fish"), "-lc");
            assert_eq!(default_flag_for_shell("bash"), "-lic");
            assert_eq!(default_flag_for_shell("zsh"), "-lic");
            assert_eq!(default_flag_for_shell("/usr/bin/zsh"), "-lic");
        }

        #[test]
        fn test_is_valid_wsl_distro_name() {
            assert!(is_valid_wsl_distro_name("Ubuntu"));
            assert!(is_valid_wsl_distro_name("Ubuntu-22.04"));
            assert!(is_valid_wsl_distro_name("my_distro"));
            assert!(!is_valid_wsl_distro_name(""));
            assert!(!is_valid_wsl_distro_name("distro with spaces"));
            assert!(!is_valid_wsl_distro_name(&"a".repeat(65)));
        }
    }

    #[test]
    fn opencode_extra_search_paths_includes_install_and_fallback_dirs() {
        let home = PathBuf::from("/home/tester");
        let install_dir = Some(std::ffi::OsString::from("/custom/opencode/bin"));
        let xdg_bin_dir = Some(std::ffi::OsString::from("/xdg/bin"));
        let gopath =
            std::env::join_paths([PathBuf::from("/go/path1"), PathBuf::from("/go/path2")]).ok();

        let paths = opencode_extra_search_paths(&home, install_dir, xdg_bin_dir, gopath);

        assert_eq!(paths[0], PathBuf::from("/custom/opencode/bin"));
        assert_eq!(paths[1], PathBuf::from("/xdg/bin"));
        assert!(paths.contains(&PathBuf::from("/home/tester/bin")));
        assert!(paths.contains(&PathBuf::from("/home/tester/.opencode/bin")));
        assert!(paths.contains(&PathBuf::from("/home/tester/.bun/bin")));
        assert!(paths.contains(&PathBuf::from("/home/tester/go/bin")));
        assert!(paths.contains(&PathBuf::from("/go/path1/bin")));
        assert!(paths.contains(&PathBuf::from("/go/path2/bin")));
    }

    #[test]
    fn opencode_extra_search_paths_deduplicates_repeated_entries() {
        let home = PathBuf::from("/home/tester");
        let same_dir = Some(std::ffi::OsString::from("/same/path"));

        let paths = opencode_extra_search_paths(&home, same_dir.clone(), same_dir, None);

        let count = paths
            .iter()
            .filter(|path| **path == PathBuf::from("/same/path"))
            .count();
        assert_eq!(count, 1);
    }

    #[test]
    fn opencode_extra_search_paths_deduplicates_bun_default_dir() {
        let home = PathBuf::from("/home/tester");
        let paths = opencode_extra_search_paths(&home, None, None, None);

        let count = paths
            .iter()
            .filter(|path| **path == PathBuf::from("/home/tester/.bun/bin"))
            .count();
        assert_eq!(count, 1);
    }

    #[cfg(not(target_os = "windows"))]
    #[test]
    fn tool_executable_candidates_non_windows_uses_plain_binary_name() {
        let dir = PathBuf::from("/usr/local/bin");
        let candidates = tool_executable_candidates("opencode", &dir);

        assert_eq!(candidates, vec![PathBuf::from("/usr/local/bin/opencode")]);
    }

    #[cfg(target_os = "windows")]
    #[test]
    fn tool_executable_candidates_windows_includes_cmd_exe_and_plain_name() {
        let dir = PathBuf::from("C:\\tools");
        let candidates = tool_executable_candidates("opencode", &dir);

        assert_eq!(
            candidates,
            vec![
                PathBuf::from("C:\\tools\\opencode.cmd"),
                PathBuf::from("C:\\tools\\opencode.exe"),
                PathBuf::from("C:\\tools\\opencode"),
            ]
        );
    }

    #[test]
    fn resolve_launch_cwd_accepts_existing_directory() {
        let resolved =
            resolve_launch_cwd(Some(std::env::temp_dir().to_string_lossy().into_owned()))
                .expect("temp dir should resolve")
                .expect("temp dir should be present");

        assert!(resolved.is_dir());
    }

    #[test]
    fn resolve_launch_cwd_rejects_missing_directory() {
        let unique = std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .expect("clock should be after epoch")
            .as_nanos();
        let missing = std::env::temp_dir().join(format!("cc-switch-missing-{unique}"));

        let error = resolve_launch_cwd(Some(missing.to_string_lossy().into_owned()))
            .expect_err("missing directory should fail");

        assert!(error.contains("目录不存在"));
    }

    #[test]
    fn build_shell_cd_command_quotes_spaces_and_single_quotes() {
        let command = build_shell_cd_command(Some(Path::new("/tmp/project O'Brien")));

        assert_eq!(command, "cd '/tmp/project O'\"'\"'Brien' || exit 1\n");
    }

    #[test]
    fn build_windows_cwd_command_str_uses_cd_for_drive_paths() {
        let command = build_windows_cwd_command_str(r"C:\work\repo");

        assert_eq!(command, "cd /d \"C:\\work\\repo\" || exit /b 1\r\n");
    }

    #[test]
    fn build_windows_cwd_command_str_uses_pushd_for_unc_paths() {
        let command = build_windows_cwd_command_str(r"\\wsl$\Ubuntu\home\coder\repo");

        assert_eq!(
            command,
            "pushd \"\\\\wsl$\\Ubuntu\\home\\coder\\repo\" || exit /b 1\r\n"
        );
    }

    #[test]
    fn build_windows_cwd_command_str_escapes_batch_metacharacters() {
        let command = build_windows_cwd_command_str(r"\\server\share\100%&(test)");

        assert_eq!(
            command,
            "pushd \"\\\\server\\share\\100%%^&^(test^)\" || exit /b 1\r\n"
        );
    }
}