import { useEffect, useState } from "react";
import { useTranslation } from "react-i18next";
import { toast } from "sonner";
import { Switch } from "@/components/ui/switch";
import { Label } from "@/components/ui/label";
import { settingsApi, type RectifierConfig } from "@/lib/api/settings";

export function RectifierConfigPanel() {
  const { t } = useTranslation();
  const [config, setConfig] = useState<RectifierConfig>({
    enabled: true,
    requestThinkingSignature: true,
    requestThinkingBudget: true,
  });
  const [isLoading, setIsLoading] = useState(true);

  useEffect(() => {
    settingsApi
      .getRectifierConfig()
      .then(setConfig)
      .catch((e) => console.error("Failed to load rectifier config:", e))
      .finally(() => setIsLoading(false));
  }, []);

  const handleChange = async (updates: Partial<RectifierConfig>) => {
    const newConfig = { ...config, ...updates };
    setConfig(newConfig);
    try {
      await settingsApi.setRectifierConfig(newConfig);
    } catch (e) {
      console.error("Failed to save rectifier config:", e);
      toast.error(String(e));
      setConfig(config);
    }
  };

  if (isLoading) return null;

  return (
    <div className="space-y-6">
      <div className="flex items-center justify-between">
        <div className="space-y-0.5">
          <Label>{t("settings.advanced.rectifier.enabled")}</Label>
          <p className="text-xs text-muted-foreground">
            {t("settings.advanced.rectifier.enabledDescription")}
          </p>
        </div>
        <Switch
          checked={config.enabled}
          onCheckedChange={(checked) => handleChange({ enabled: checked })}
        />
      </div>

      <div className="space-y-4">
        <h4 className="text-sm font-medium text-muted-foreground">
          {t("settings.advanced.rectifier.requestGroup")}
        </h4>
        <div className="flex items-center justify-between pl-4">
          <div className="space-y-0.5">
            <Label>{t("settings.advanced.rectifier.thinkingSignature")}</Label>
            <p className="text-xs text-muted-foreground">
              {t("settings.advanced.rectifier.thinkingSignatureDescription")}
            </p>
          </div>
          <Switch
            checked={config.requestThinkingSignature}
            disabled={!config.enabled}
            onCheckedChange={(checked) =>
              handleChange({ requestThinkingSignature: checked })
            }
          />
        </div>
        <div className="flex items-center justify-between pl-4">
          <div className="space-y-0.5">
            <Label>{t("settings.advanced.rectifier.thinkingBudget")}</Label>
            <p className="text-xs text-muted-foreground">
              {t("settings.advanced.rectifier.thinkingBudgetDescription")}
            </p>
          </div>
          <Switch
            checked={config.requestThinkingBudget}
            disabled={!config.enabled}
            onCheckedChange={(checked) =>
              handleChange({ requestThinkingBudget: checked })
            }
          />
        </div>
      </div>
    </div>
  );
}
