import {
  withDefaultOption,
  type EslintFunctionalRules,
} from '../types/index.mjs';

const ignoredMutablePattern = [
  '^draft', // allow immer.js draft object
  '^mut_',
  '^_mut_',
  '^#mut_',
] as const;

/** @link {https://github.com/jonaskello/eslint-plugin-functional} */
export const eslintFunctionalRules = {
  // No Mutations Rules
  'functional/immutable-data': [
    'error',
    {
      ignoreClasses: true,
      ignoreImmediateMutation: true,
      ignoreIdentifierPattern: [
        ...ignoredMutablePattern,
        'this',
        'super',
        'window.location.href',
      ],
      ignoreNonConstDeclarations: false,
      ignoreAccessorPattern: [
        '**.mut_**',
        'this.**',
        'super.**',
        '**.current.**', // allow React Ref object
        '**.displayName', // allow React component displayName
        '**.scrollTop', // allow modifying scrollTop
        '**.debugLabel', // jotai
      ],
    },
  ],
  'functional/no-let': [
    'error',
    {
      allowInForLoopInit: false,
      allowInFunctions: false,
      ignoreIdentifierPattern: ignoredMutablePattern.filter(
        (p) => p !== '^draft',
      ),
    },
  ],
  'functional/prefer-property-signatures': withDefaultOption('error'),
  // 'functional/prefer-readonly-type': ['warn', preferReadonlyTypeOptions],

  // No Object-Orientation Rules
  'functional/no-classes': 'off',
  'functional/no-mixed-types': 'off',
  // 'functional/no-mixed-types': [
  //   'error',
  //   {
  //     checkInterfaces: true,
  //     checkTypeLiterals: true,
  //   },
  // ],
  'functional/no-this-expressions': 'off',

  // No Statements Rules
  'functional/no-conditional-statements': 'off',
  // 'functional/no-expression-statement': [
  //   'warn',
  //   {
  //     ignoreVoid: true,
  //     ignorePattern: [
  //       '^this\\..*',
  //       'yield',
  //       'dispatch',
  //       '^set.*',
  //       '.*subscribe.*',
  //       ...ignoredMutablePattern,
  //     ],
  //   },
  // ],
  'functional/no-expression-statements': 'off',
  'functional/no-loop-statements': 'off',
  'functional/no-return-void': 'off',

  // No Exceptions Rules
  'functional/no-promise-reject': 'off',
  'functional/no-throw-statements': 'off',
  'functional/no-try-statements': 'off',

  // Currying Rules
  'functional/functional-parameters': 'off',

  // Stylistic Rules
  'functional/prefer-tacit': 'off', // false positives

  'functional/readonly-type': ['error', 'generic'],

  // TODO
  'functional/prefer-immutable-types': 'off',
  // 'functional/prefer-immutable-types': [
  //   'warn',
  //   {
  //     enforcement: 'Immutable',
  //     ignoreNamePattern: ignoredMutablePattern,
  //     ignoreClasses: false,
  //     ignoreInferredTypes: false,
  //     fixer: {
  //       ReadonlyShallow: [
  //         {
  //           pattern:
  //             '^([_$a-zA-Z\\xA0-\\uFFFF][_$a-zA-Z0-9\\xA0-\\uFFFF]*\\[\\])$',
  //           replace: 'readonly $1',
  //         },
  //         {
  //           pattern: '^(Array|Map|Set)<(.+)>$',
  //           replace: 'Readonly$1<$2>',
  //         },
  //         {
  //           pattern: '^(.+)$',
  //           replace: 'Readonly<$1>',
  //         },
  //       ],
  //       ReadonlyDeep: false,
  //       Immutable: false,
  //     },
  //   },
  // ],
  'functional/type-declaration-immutability': 'off',
  // 'functional/type-declaration-immutability': [
  //   'error',
  //   {
  //     ignorePattern,
  //     rules: [
  //       {
  //         identifiers: '^.+',
  //         immutability: 'Immutable',
  //         comparator: 'AtLeast',
  //         fixer: false,
  //       },
  //       {
  //         identifiers: 'I?Mutable.+',
  //         immutability: 'Mutable',
  //         comparator: 'AtLeast',
  //         fixer: false,
  //       },
  //     ],
  //     ignoreInterfaces: false,
  //   },
  // ],

  'functional/no-class-inheritance': withDefaultOption('error'),

  // deprecated
  'functional/prefer-readonly-type': 0,
} as const satisfies EslintFunctionalRules;