import eslint from "@eslint/js";
import tseslint from "typescript-eslint";
import globals from "globals";

export default tseslint.config(
  // Global ignores
  {
    ignores: ["build/", "node_modules/", "coverage/"],
  },

  // Base config for all files
  eslint.configs.recommended,
  ...tseslint.configs.recommended,

  // TypeScript files config
  {
    files: ["src/**/*.ts"],
    languageOptions: {
      ecmaVersion: 2022,
      sourceType: "module",
      globals: {
        ...globals.node,
        ...globals.es2022,
      },
    },
    rules: {
      "@typescript-eslint/no-unused-vars": ["error", { argsIgnorePattern: "^_" }],
      "@typescript-eslint/explicit-function-return-type": "off",
      "@typescript-eslint/no-explicit-any": "warn",
    },
  },

  // Relaxed rules for test files
  {
    files: ["src/**/*.test.ts"],
    rules: {
      // Allow any in test mocks and assertions
      "@typescript-eslint/no-explicit-any": "off",
      // Allow non-null assertions in tests
      "@typescript-eslint/no-non-null-assertion": "off",
    },
  }
);