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", "backend/dist", "coverage", "playwright-report", "test-results"] },
  {
    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 Hooks 7 adds React Compiler diagnostics to its recommended set.
      // This app is not compiler-enabled yet; keep those migration diagnostics
      // outside the release gate while retaining the upgraded hooks correctness rules.
      "react-hooks/preserve-manual-memoization": "off",
      "react-hooks/purity": "off",
      "react-hooks/set-state-in-effect": "off",
      "react-refresh/only-export-components": [
        "warn",
        { allowConstantExport: true },
      ],
      // The legacy baseline contains tracked dead declarations. Keep this out of
      // the v1 gate until they can be removed in behavior-preserving slices.
      "@typescript-eslint/no-unused-vars": "off",
      "no-restricted-imports": [
        "error",
        { patterns: [{ group: ["@/shared/components/ui", "@/shared/components/ui/*", "@/shared/components/layout/AppLayout"], message: "Use the canonical @/components UI and layout paths." }] },
      ],
    },
  },
  {
    files: [
      "src/components/ui/**/*.{ts,tsx}",
      "src/**/contexts/**/*.{ts,tsx}",
    ],
    rules: {
      "react-refresh/only-export-components": "off",
    },
  },
);