import { defineConfig, globalIgnores } from "eslint/config";
import { fixupConfigRules } from "@eslint/compat";
import nextVitals from "eslint-config-next/core-web-vitals";
import nextTs from "eslint-config-next/typescript";

// eslint-config-next still bundles eslint-plugin-react, eslint-plugin-import and
// eslint-plugin-jsx-a11y, none of which have shipped an ESLint 10 release. They call
// context methods that ESLint 10 removed (context.getFilename and friends), which makes
// the whole run abort rather than report. fixupConfigRules re-adds those methods for the
// affected rules. Tracked upstream in jsx-eslint/eslint-plugin-react#3977 and
// vercel/next.js#89764 - drop this wrapper once eslint-config-next declares eslint 10.
const eslintConfig = defineConfig([
  ...fixupConfigRules(nextVitals),
  ...fixupConfigRules(nextTs),
  {
    rules: {
      "@typescript-eslint/no-explicit-any": "off",
      "@typescript-eslint/no-unused-vars": [
        "error",
        {
          "argsIgnorePattern": "^_",
          "varsIgnorePattern": "^_",
          "caughtErrorsIgnorePattern": "^_"
        }
      ],
      // React Compiler correctness rules (eslint-plugin-react-hooks v7, pulled in by
      // eslint-config-next 16.2.10). We don't enable React Compiler (no `reactCompiler`
      // flag in next.config.ts), so these are advisory-only here and produce a large
      // number of false positives against standard fetch-in-effect patterns. Keep
      // exhaustive-deps and the other stable react-hooks rules enabled.
      "react-hooks/set-state-in-effect": "off",
      "react-hooks/purity": "off",
      "react-hooks/static-components": "off",
      "react-hooks/immutability": "off",
      "react-hooks/refs": "off",
      "react-hooks/incompatible-library": "off",
      "react-hooks/preserve-manual-memoization": "off"
    },
  },
  // Override default ignores of eslint-config-next.
  globalIgnores([
    // Default ignores of eslint-config-next:
    ".next/**",
    "out/**",
    "build/**",
    "next-env.d.ts",
    // Docs (VitePress) build artifacts - not our code
    "docs/.vitepress/cache/**",
    "docs/.vitepress/dist/**",
    // Docs theme is Vue, not React - exclude from React rules
    "docs/.vitepress/theme/**",
    // API docs build artifacts - bundled third-party code
    "api-docs/dist/**",
    // Website - own independent Next.js project, own eslint config, own tooling
    "website/**",
    // Coverage reports - auto-generated by vitest
    "coverage/**",
  ]),
]);

export default eslintConfig;