// 与 AlarmReviewScopeService.resolveOperations 的报警读取菜单保持一致。
const alarmMenuComponents = new Set([
  'subSystem/alarm/common/remind',
  'subSystem/alarm/common/list',
  'subSystem/alarm/common/analysis',
  'subSystem/alarm/common/alarmGIS',
  'subSystem/waterSupply/alarm/alarmGIS'
])
// EquipmentTypeEnum 的四个设备大类根节点。
const rootNames = { 1: '供水设备', 2: '排水设备', 3: '燃气设备', 4: '窨井设备' }

export function warningAlarmScopes(routes = []) {
  const scopes = new Map()
  function visit(menus) {
    for (const menu of menus) {
      if (menu.status !== undefined && String(menu.status) !== '0') continue
      if (alarmMenuComponents.has(menu.component)) {
        let query = menu.query || {}
        try {
          if (typeof query === 'string') query = JSON.parse(query)
        } catch {
          query = {}
        }
        const rootTypeId = Number(query?.rootTypeId)
        if (Object.hasOwn(rootNames, rootTypeId)) {
          const warningCode = query.warning_code || query.warningCode || undefined
          const value = JSON.stringify([rootTypeId, warningCode || ''])
          scopes.set(value, {
            value, rootTypeId, warningCode,
            label: rootNames[rootTypeId] + (warningCode ? `（${warningCode}）` : '')
          })
        }
      }
      if (menu.children) visit(menu.children)
    }
  }
  visit(routes)
  const result = [...scopes.values()]
  // 同一大类已有不限定报警编码的菜单时，仅展示这一完整范围。
  return result.filter(scope => !scope.warningCode || !result.some(other =>
    other.rootTypeId === scope.rootTypeId && !other.warningCode
  )).sort((a, b) => a.rootTypeId - b.rootTypeId)
}

export function warningAlarmQuery(scope, filters = {}) {
  if (!scope || !Object.hasOwn(rootNames, scope.rootTypeId)) {
    throw new Error('请选择已授权的设备大类')
  }
  return {
    rootTypeId: scope.rootTypeId,
    pageNum: filters.pageNum || 1,
    pageSize: filters.pageSize || 10,
    deviceCode: filters.deviceCode?.trim() || undefined,
    // 菜单限定编码始终优先，不能被输入框覆盖。
    warningCode: scope.warningCode || filters.warningCode?.trim() || undefined,
    alarmStatus: filters.alarmStatus === '' ? undefined : filters.alarmStatus
  }
}