import js from '@eslint/js';
import typescript from '@typescript-eslint/eslint-plugin';
import typescriptParser from '@typescript-eslint/parser';
import globals from 'globals';

export default [
  {
    ignores: ['node_modules/', 'dist/', 'public/*.css', '*.db', '*.scss', '*.md']
  },
  js.configs.recommended,
  {
    files: ['**/*.ts'],
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 2020,
        sourceType: 'module'
      },
      globals: {
        ...globals.node
      }
    },
    plugins: {
      '@typescript-eslint': typescript
    },
    rules: {
      // TypeScript rules
      '@typescript-eslint/no-unused-vars': 'error',
      '@typescript-eslint/no-explicit-any': 'warn',
      
      // General rules
      'no-console': 'off', // Allow console.log for server logging
      'no-var': 'error',
      'prefer-const': 'error',
      'eqeqeq': 'error',
      'no-unused-vars': 'off', // Use TypeScript version instead
      
      // Style rules
      'indent': ['error', 2],
      'quotes': ['error', 'single'],
      'semi': ['error', 'always'],
      'comma-dangle': ['error', 'never'],
      'no-trailing-spaces': 'error'
    }
  },
  {
    files: ['**/*.js'],
    languageOptions: {
      globals: {
        ...globals.node
      }
    },
    rules: {
      'no-console': 'off',
      'no-var': 'error',
      'prefer-const': 'error',
      'eqeqeq': 'error',
      'indent': ['error', 2],
      'quotes': ['error', 'single'],
      'semi': ['error', 'always'],
      'comma-dangle': ['error', 'never'],
      'no-trailing-spaces': 'error'
    }
  },
  {
    files: ['src/frontend/**/*.ts'],
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 2020,
        sourceType: 'module'
      },
      globals: {
        ...globals.browser
      }
    },
    plugins: {
      '@typescript-eslint': typescript
    },
    rules: {
      // TypeScript rules
      '@typescript-eslint/no-unused-vars': 'error',
      '@typescript-eslint/no-explicit-any': 'warn',
      
      // General rules
      'no-console': 'off', // Allow console.log for debugging
      'no-var': 'error',
      'prefer-const': 'error',
      'eqeqeq': 'error',
      'no-unused-vars': 'off', // Use TypeScript version instead
      
      // Style rules
      'indent': ['error', 2],
      'quotes': ['error', 'single'],
      'semi': ['error', 'always'],
      'comma-dangle': ['error', 'never'],
      'no-trailing-spaces': 'error'
    }
  },
  {
    files: ['tests/**/*.ts'],
    languageOptions: {
      globals: {
        ...globals.node,
        ...globals.jest
      }
    },
    rules: {
      '@typescript-eslint/no-explicit-any': 'off' // Allow any in tests for mocks
    }
  }
];