import type { ConstraintValidator, ProjectPluginConfigSubModulesField } from '@/types'

export const iconFormat: ConstraintValidator<RegExp> =
  (pattern) =>
  async ({ pluginConfig, mode, type: moduleType }) => {
    if (mode === 'add') {
      return
    }
    const targetModules = (pluginConfig.modules || []).filter(
      (module) => module.moduleType === moduleType,
    )
    const modulesToCheck: ProjectPluginConfigSubModulesField[] = []
    const addModulesToCheck = (module: ProjectPluginConfigSubModulesField) => {
      modulesToCheck.push(module)
      if (Array.isArray(module.modules)) {
        module.modules.forEach(addModulesToCheck)
      }
    }
    targetModules.forEach(addModulesToCheck)
    const modulesWithInvalidIcon = modulesToCheck.filter((module) => {
      const hasIcon = module.icon !== null && module.icon !== undefined
      const hasValidIconFormat = typeof module.icon === 'string' && pattern.test(module.icon)
      return hasIcon && !hasValidIconFormat
    })
    if (modulesWithInvalidIcon.length > 0) {
      throw modulesWithInvalidIcon
        .map(({ id, icon }) => {
          return `the module ${moduleType}@${id}'s icon '${icon}' doesn't match the pattern '${pattern.toString()}'`
        })
        .join('\n')
    }
  }