import type {Config} from '../config'
import type {Flatten, OptionsFiles, OptionsOverrides, OptionsStylistic} from '../options'
import {GLOB_YAML_FILES} from '../globs'
import {interopDefault} from '../utils'
import {jsonSchema} from './json-schema'

/**
 * Represents the options for configuring YAML files in the ESLint configuration.
 */
export type YamlOptions = Flatten<OptionsFiles & OptionsOverrides & OptionsStylistic>

/**
 * Configures the ESLint rules for YAML files.
 * @param options - The configuration options for YAML files.
 * @see https://ota-meshi.github.io/eslint-plugin-yml/
 */
export async function yaml(options: YamlOptions = {}): Promise<Config[]> {
  const {files = GLOB_YAML_FILES, overrides = {}, stylistic = true} = options
  const stylisticConfig = typeof stylistic === 'boolean' ? {} : stylistic
  const indent = typeof stylisticConfig.indent === 'number' ? stylisticConfig.indent : 2
  const quotes = typeof stylisticConfig.quotes === 'string' ? stylisticConfig.quotes : 'single'
  const includeStylistic = typeof stylistic === 'boolean' ? stylistic : true
  const pluginYaml = await interopDefault(import('eslint-plugin-yml'))

  return [
    ...(pluginYaml.configs['flat/standard'] as Config[]).map((config: Config, index) => ({
      ...config,
      name: config.plugins
        ? `@bfra.me/yaml/plugins`
        : `@bfra.me/${(config.name ?? '') || `yaml/unnamed${index}`}`,
    })),
    ...(await jsonSchema('yaml', files as string[])),
    {
      name: '@bfra.me/yaml',
      files,
      rules: {
        '@stylistic/spaced-comment': 'off',

        'yml/block-mapping': 'error',
        'yml/block-sequence': 'error',
        'yml/no-empty-key': 'error',
        'yml/no-empty-mapping-value': 'off',
        'yml/no-empty-sequence-entry': 'error',
        'yml/no-irregular-whitespace': 'error',
        'yml/plain-scalar': 'error',

        'yml/vue-custom-block/no-parsing-error': 'error',

        ...(includeStylistic
          ? {
              'yml/block-mapping-question-indicator-newline': 'error',
              'yml/block-sequence-hyphen-indicator-newline': 'error',
              'yml/flow-mapping-curly-newline': 'error',
              'yml/flow-mapping-curly-spacing': 'error',
              'yml/flow-sequence-bracket-newline': 'error',
              'yml/flow-sequence-bracket-spacing': 'error',
              'yml/indent': ['error', indent],
              'yml/key-spacing': 'error',
              'yml/no-tab-indent': 'error',
              'yml/quotes': [
                'error',
                {avoidEscape: true, prefer: quotes === 'backtick' ? 'single' : quotes},
              ],
              'yml/spaced-comment': 'error',
            }
          : {}),

        ...overrides,
      },
    },
  ]
}