import { useOutletContext } from "react-router-dom";
import { Icon } from "../../icon";
import type { UserConfig, UserConfigUpdate } from "../../../api/settings";

type SettingsOutletContext = {
  config: UserConfig;
  handleChange: (
    key: keyof UserConfigUpdate,
    value: string | string[] | null,
  ) => void;
  handleSave: () => Promise<void>;
  saveStatus: "idle" | "saving" | "saved" | "error";
};

const THEME_OPTIONS = [
  { value: "system", label: "System" },
  { value: "light", label: "Light" },
  { value: "dark", label: "Dark" },
];

const TOAST_LEVEL_OPTIONS = [
  { value: "all", label: "All" },
  { value: "errors", label: "Errors only" },
  { value: "none", label: "None" },
];

const MUTE_CATEGORIES = ["instance", "system", "health", "security"];

export const GeneralSettingsTab = () => {
  const { config, handleChange, handleSave, saveStatus } =
    useOutletContext<SettingsOutletContext>();

  return (
    <div className="stack">
      <h2>General</h2>
      <label className="form-field">
        Theme
        <select
          value={config.theme}
          onChange={(e) => handleChange("theme", e.target.value)}
        >
          {THEME_OPTIONS.map((opt) => (
            <option key={opt.value} value={opt.value}>
              {opt.label}
            </option>
          ))}
        </select>
      </label>
      <label className="form-field">
        Git user name
        <input
          type="text"
          value={config.git_user_name ?? ""}
          onChange={(e) =>
            handleChange("git_user_name", e.target.value || null)
          }
          placeholder="Your git commit name"
        />
      </label>
      <label className="form-field">
        Git user email
        <input
          type="email"
          value={config.git_user_email ?? ""}
          onChange={(e) =>
            handleChange("git_user_email", e.target.value || null)
          }
          placeholder="your.email@example.com"
        />
      </label>
      <label className="form-field">
        Default editor
        <input
          type="text"
          value={config.default_editor ?? ""}
          onChange={(e) =>
            handleChange("default_editor", e.target.value || null)
          }
          placeholder="e.g., vscode, vim, cursor"
        />
      </label>
      <h3>Notifications</h3>
      <label className="form-field">
        Toast level
        <select
          value={config.notification_toast_level ?? "all"}
          onChange={(e) =>
            handleChange("notification_toast_level", e.target.value)
          }
        >
          {TOAST_LEVEL_OPTIONS.map((opt) => (
            <option key={opt.value} value={opt.value}>
              {opt.label}
            </option>
          ))}
        </select>
      </label>
      <fieldset className="form-field">
        <legend>Mute categories</legend>
        <div className="stack-sm">
          {MUTE_CATEGORIES.map((cat) => (
            <label
              key={cat}
              style={{ display: "flex", alignItems: "center", gap: "0.5rem" }}
            >
              <input
                type="checkbox"
                checked={(config.notification_mute_categories ?? []).includes(
                  cat,
                )}
                onChange={(e) => {
                  const current = config.notification_mute_categories ?? [];
                  const next = e.target.checked
                    ? [...current, cat]
                    : current.filter((c) => c !== cat);
                  handleChange("notification_mute_categories", next);
                }}
              />
              {cat}
            </label>
          ))}
        </div>
      </fieldset>
      <div className="settings-actions">
        <button
          className="primary-button"
          onClick={() => void handleSave()}
          type="button"
        >
          {saveStatus === "saving" ? (
            <>
              <Icon name="loading" size="sm" /> Saving...
            </>
          ) : (
            <>
              <Icon name="save" size="sm" /> Save Settings
            </>
          )}
        </button>
        {saveStatus === "saved" && (
          <span className="success-text">Settings saved!</span>
        )}
        {saveStatus === "error" && (
          <span className="error-text">Failed to save</span>
        )}
      </div>
    </div>
  );
};