import { FlatCompat } from "@eslint/eslintrc";
import { dirname } from "path";
import { fileURLToPath } from "url";

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: {
    env: { browser: true, es6: true, node: true },
    extends: ["eslint:recommended"],
    parserOptions: { ecmaVersion: "latest", sourceType: "module" },
  },
});

const eslintConfig = [
  // Global ignores
  {
    ignores: [
      ".next/**",
      "node_modules/**",
      "out/**",
      "dist/**",
      "build/**",
      "next-env.d.ts",
      "*.config.js"
    ]
  },
  
  // Next.js recommended config
  ...compat.extends("next/core-web-vitals"),
  
  // TypeScript specific config
  ...compat.extends("next/typescript"),
  
  // Custom rules for all files
  {
    rules: {
      // TypeScript rules
      "@typescript-eslint/no-unused-vars": ["error", { 
        argsIgnorePattern: "^_",
        varsIgnorePattern: "^_" 
      }],
      "@typescript-eslint/no-explicit-any": "warn",
      "@typescript-eslint/consistent-type-imports": "warn",
      
      // Console statements - warn in development
      "no-console": process.env.NODE_ENV === "production" ? "error" : "warn",
      
      // React/Next.js specific
      "react/no-unescaped-entities": "off",
      "@next/next/no-page-custom-font": "off",
    }
  }
];

export default eslintConfig;