import js from "@eslint/js";
import globals from "globals";
import reactHooks from "eslint-plugin-react-hooks";
import reactRefresh from "eslint-plugin-react-refresh";
import tseslint from "typescript-eslint";

export default tseslint.config(
  { ignores: ["dist"] },
  {
    extends: [js.configs.recommended, ...tseslint.configs.recommended],
    files: ["**/*.{ts,tsx}"],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
    },
    plugins: {
      "react-hooks": reactHooks,
      "react-refresh": reactRefresh,
    },
    rules: {
      ...reactHooks.configs.recommended.rules,
      "react-refresh/only-export-components": ["warn", { allowConstantExport: true }],
      "@typescript-eslint/no-unused-vars": "off",
      "no-restricted-imports": [
        "error",
        {
          paths: [
            {
              name: "@/app/App",
              message:
                "Removed duplicate app shell; use src/App.tsx (see main.tsx). Do not reintroduce a second QueryClient entrypoint.",
            },
            {
              name: "@/src/app/App",
              message:
                "Removed duplicate app shell; use src/App.tsx (see main.tsx). Do not reintroduce a second QueryClient entrypoint.",
            },
          ],
        },
      ],
    },
  },
  /**
   * Guard: JSX is not allowed in `.ts` files (rename to `.tsx`).
   * The typescript-eslint parser natively refuses to parse JSX in `.ts` files,
   * so this `no-restricted-syntax` rule acts as an extra safety net with a
   * friendlier message when another config/plugin re-enables JSX parsing.
   */
  {
    files: ["**/*.ts"],
    ignores: ["**/*.tsx"],
    rules: {
      "no-restricted-syntax": [
        "error",
        {
          selector: "JSXElement",
          message: "JSX is not allowed in .ts files. Rename the file to .tsx.",
        },
        {
          selector: "JSXFragment",
          message: "JSX is not allowed in .ts files. Rename the file to .tsx.",
        },
      ],
    },
  },
);
