const js = require('@eslint/js');
const tseslint = require('typescript-eslint');
const react = require('eslint-plugin-react');
const reactHooks = require('eslint-plugin-react-hooks');
const globals = require('globals');

/**
 * 自定义规则：禁止在组件/业务代码内写死十六进制颜色字面量。
 * 对齐 AGENTS.md 配色禁令——颜色必须统一从 src/theme/colors.ts 导入。
 * 例外：theme/colors.ts 本身是设计令牌唯一来源，豁免。
 */
const noHardcodedHexColor = {
  meta: {
    type: 'problem',
    docs: {
      description: '禁止在组件内写死十六进制颜色，统一从 src/theme/colors.ts 导入',
    },
    schema: [],
    messages: {
      noHex:
        '禁止写死十六进制颜色字面量 "{{value}}"，请从 src/theme/colors.ts 导入颜色 token。',
    },
  },
  create(context) {
    const hexRe = /^#([0-9a-fA-F]{3}|[0-9a-fA-F]{4}|[0-9a-fA-F]{6}|[0-9a-fA-F]{8})$/;
    return {
      Literal(node) {
        if (typeof node.value === 'string' && hexRe.test(node.value)) {
          context.report({ node, messageId: 'noHex', data: { value: node.value } });
        }
      },
    };
  },
};

module.exports = tseslint.config(
  {
    ignores: [
      'node_modules/**',
      '.expo/**',
      'dist/**',
      'coverage/**',
      'figma_out/**',
      '*.mjs',
      'figma_discover.py',
      '**/__tests__/**',
    ],
  },
  js.configs.recommended,
  ...tseslint.configs.recommended,
  {
    files: ['**/*.{ts,tsx}'],
    plugins: {
      react,
      'react-hooks': reactHooks,
      local: { rules: { 'no-hardcoded-hex-color': noHardcodedHexColor } },
    },
    languageOptions: {
      parser: tseslint.parser,
      parserOptions: { ecmaFeatures: { jsx: true } },
      sourceType: 'module',
      globals: { ...globals.node, ...globals.react },
    },
    settings: { react: { version: 'detect' } },
    rules: {
      ...react.configs.recommended.rules,
      ...reactHooks.configs.recommended.rules,
      'react/react-in-jsx-scope': 'off',
      'react/jsx-uses-react': 'off',
      '@typescript-eslint/no-unused-vars': [
        'error',
        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
      ],
      '@typescript-eslint/no-explicit-any': 'warn',
      'no-empty': ['error', { allowEmptyCatch: true }],
      'local/no-hardcoded-hex-color': 'error',
    },
  },
  {
    // 项目配置文件为 CommonJS，含 require / module / process
    files: ['eslint.config.js', 'babel.config.js', 'jest.config.js', 'app.config.js', '*.cjs'],
    languageOptions: {
      sourceType: 'commonjs',
      globals: { ...globals.node },
    },
    rules: {
      'no-undef': 'off',
      '@typescript-eslint/no-require-imports': 'off',
      '@typescript-eslint/no-explicit-any': 'off',
    },
  },
  {
    // 设计令牌文件是颜色唯一来源，豁免 hex 检查
    files: ['**/theme/**/*.ts'],
    rules: { 'local/no-hardcoded-hex-color': 'off' },
  },
);