import { normalizeDeviceRow } from './waterSupplyUiModel.js'
import { getFacilityStatusMeta, getMonitoringPointIcon, getMonitoringPointStatus } from './gisMapColors.js'

/**
 * 供水首页工作台数据模型（T05 #48）。
 *
 * 首页只组合既有只读接口，不在本模块调用后端；所有口径（供水范围、工单状态、
 * 报警等级、在线率）都收敛到这里，便于用 node 单测锁定。
 */

// 工单状态 0-7，与 ADR-0010 权威枚举一致
const WORK_ORDER_STATUS_META = {
  0: { text: '待派单', type: 'danger' },
  1: { text: '待接单', type: 'warning' },
  2: { text: '已接单', type: 'primary' },
  3: { text: '处理中', type: 'warning' },
  4: { text: '待验收', type: 'primary' },
  5: { text: '已结案', type: 'success' },
  6: { text: '延期中', type: 'warning' },
  7: { text: '已取消', type: 'info' }
}

const WORK_ORDER_LEVEL_META = {
  0: { text: '紧急', type: 'danger' },
  1: { text: '一般', type: 'warning' },
  2: { text: '低', type: 'info' }
}

const ALARM_LEVEL_META = {
  1: { text: '一级报警', type: 'danger' },
  2: { text: '二级报警', type: 'warning' },
  3: { text: '三级报警', type: 'primary' },
  4: { text: '四级报警', type: 'success' }
}

/**
 * 供水设备根类型：设备接口 /equipment-base 的数据范围参数，取值对应 EquipmentTypeEnum
 * 的 1-供水设备。设备与工单两处取数都以此限定供水范围，避免各自写死。
 */
export const WATER_DEVICE_ROOT_TYPE_ID = 1

export const HOME_QUICK_ENTRIES = [
  { key: 'abnormal', label: '设备异常管理', suffix: '/device/abnormal', icon: 'WarningFilled' },
  { key: 'alarm', label: '报警管理', suffix: '/monitorAlarm/index', icon: 'BellFilled' },
  { key: 'audit', label: '报警审核', suffix: '/monitorAlarm/audit', query: { rootTypeId: WATER_DEVICE_ROOT_TYPE_ID }, icon: 'Finished' },
  { key: 'map', label: '监测报警一张图', suffix: '/waterSupplyAlarmGIS', query: { rootTypeId: WATER_DEVICE_ROOT_TYPE_ID }, icon: 'MapLocation' }
]

/** 供水工单统计/列表的固定范围参数：设备父类别=供水。 */
export function buildHomeWorkOrderQuery(extra = {}) {
  return {
    deviceTypeParentId: String(WATER_DEVICE_ROOT_TYPE_ID),
    pageNum: 1,
    pageSize: 5,
    ...extra
  }
}

/** 供水设施总数：overview 会追加 facilityType=total 合计行，须排除避免重复累计。 */
export function normalizeFacilityTotal(facilityOverview = []) {
  const rows = Array.isArray(facilityOverview) ? facilityOverview : []
  return rows
    .filter(item => item && item.facilityType !== 'total')
    .reduce((sum, item) => sum + Number(item.totalCount ?? item.count ?? 0), 0)
}

/** A 区指挥台四项核心总量。 */
export function normalizeHomeKpis({ facilityRows = [], ledgerStats = {}, alarmStats = {} } = {}) {
  const realtimeAlarm = Number(alarmStats.realtimeAlarmCount ?? alarmStats.realtimeCount ?? 0)
  return [
    { key: 'facility', label: '设施总数', value: normalizeFacilityTotal(facilityRows), unit: '处', tone: 'primary' },
    { key: 'device', label: '监测设备', value: Number(ledgerStats.total ?? 0), unit: '台', tone: 'primary' },
    { key: 'online', label: '在线设备', value: Number(ledgerStats.online ?? 0), unit: '台', tone: 'primary' },
    { key: 'alarm', label: '实时报警', value: realtimeAlarm, unit: '条', tone: realtimeAlarm > 0 ? 'danger' : 'primary' }
  ]
}

/**
 * 统一设备统计口径：/equipment-base/statistics 返回 total/online/offline/alarm，
 * 首页所需的在线率在此推导，避免各页面各自计算。
 */
export function normalizeDeviceStatistics(stats = {}) {
  const total = Number(stats.total ?? 0)
  const online = Number(stats.online ?? 0)
  const offline = Number(stats.offline ?? Math.max(total - online, 0))
  const alarm = Number(stats.alarm ?? 0)
  return {
    total,
    online,
    offline,
    alarm,
    onlineRate: total > 0 ? Math.round(online * 1000 / total) / 10 : 0
  }
}

function countByStatus(stat, status) {
  const counts = Array.isArray(stat?.counts) ? stat.counts : []
  const hit = counts.find(item => Number(item?.status) === Number(status))
  return Number(hit?.count ?? 0)
}

/** 工单状态统计：待处理 0/1，处理中 2/3/6，待验收 4，已完成 5/7。 */
export function normalizeWorkOrderStatusStat(stat = {}) {
  const pendingCount = countByStatus(stat, 0) + countByStatus(stat, 1)
  const processingCount = countByStatus(stat, 2) + countByStatus(stat, 3) + countByStatus(stat, 6)
  const verifyingCount = countByStatus(stat, 4)
  const finishedCount = countByStatus(stat, 5) + countByStatus(stat, 7)
  const byStatus = Object.entries(WORK_ORDER_STATUS_META)
    .map(([status, meta]) => ({
      status: Number(status),
      label: meta.text,
      type: meta.type,
      count: countByStatus(stat, Number(status))
    }))
  return {
    total: Number(stat?.total ?? 0),
    pendingCount,
    processingCount,
    verifyingCount,
    finishedCount,
    byStatus
  }
}

/** C 区数据总览卡片：报警总数、报警中设备、待验收工单、在线率。 */
export function normalizeAlarmOverviewCards({ dashboard = {}, deviceStats = {}, workOrderStat = {} } = {}) {
  const normalized = normalizeWorkOrderStatusStat(workOrderStat)
  return [
    { key: 'alarmTotal', label: '报警总数', value: Number(dashboard.totalCount ?? 0), unit: '条', tone: 'primary' },
    { key: 'alarmingDevice', label: '报警中设备', value: Number(dashboard.alarmingDeviceCount ?? 0), unit: '台', tone: Number(dashboard.alarmingDeviceCount ?? 0) > 0 ? 'danger' : 'primary' },
    { key: 'verifyingOrder', label: '待验收工单', value: normalized.verifyingCount, unit: '单', tone: normalized.verifyingCount > 0 ? 'warning' : 'primary' },
    { key: 'onlineRate', label: '在线率', value: formatOnlineRate(deviceStats.onlineRate), unit: '%', tone: 'primary' }
  ]
}

function formatOnlineRate(value) {
  const numeric = Number(value)
  return Number.isFinite(numeric) ? Number(numeric.toFixed(1)) : 0
}

/** 报警趋势：按四个等级分别成系列，空天补 0。 */
export function normalizeAlarmTrend(trend = []) {
  const items = Array.isArray(trend) ? trend : []
  const dates = items.map(item => item?.date || '-')
  const levels = [1, 2, 3, 4].map(level => ({
    name: `级${level}`,
    text: (ALARM_LEVEL_META[level] || {}).text || `${level}级报警`,
    data: items.map(item => Number(item[`level${level}Count`] ?? 0))
  }))
  return { dates, levels }
}

/** 占比饼图：空值名称兜底、数量转数字、只取最大值前若干项。 */
export function normalizePieRatio(items = [], fallbackName = '未分类', top = 6) {
  const rows = (Array.isArray(items) ? items : [])
    .map(item => ({
      name: String(item?.name || '').trim() || fallbackName,
      count: Number(item?.count ?? 0)
    }))
    .filter(item => item.count > 0)
    .sort((a, b) => b.count - a.count)
  return rows.slice(0, top)
}

export function alarmLevelText(level) {
  const numeric = Number(level)
  const meta = ALARM_LEVEL_META[numeric]
  return meta?.text || (Number.isFinite(numeric) && numeric > 0 ? `${numeric}级报警` : '未分级')
}

const ALARM_DISPLAY_STATUS_META = {
  1: { text: '待审核', type: 'warning' },
  2: { text: '已转工单', type: 'primary' },
  3: { text: '已解除', type: 'success' }
}

const ALARM_DISPLAY_RELEASED = 3

/**
 * A 区实时报警列表。
 *
 * 实时列表只展示仍需要关注的报警：已解除（displayStatus=3）直接过滤；
 * 待审核 / 已转工单行保留展示状态与关联工单号，供首页按状态分流跳转。
 *
 * 后端 5c14625 起实时行已携带 displayStatus；为兼容旧进程/旧产物返回的
 * “只有 orderNo 没有 displayStatus” 的行，这里按工单是否在办兜底推导：
 * 有未取消工单 -> 已转工单，否则 -> 待审核。兜底只影响缺失字段的行，
 * 后端明确给出的展示状态始终优先。
 */
export function normalizeRealtimeAlarmRows(rows = [], limit = 5) {
  const list = (Array.isArray(rows) ? rows : [])
    .filter(row => derivedDisplayStatus(row) !== ALARM_DISPLAY_RELEASED)
    .slice()
    .sort((a, b) => String(b?.alarmTime || '').localeCompare(String(a?.alarmTime || '')))
    .slice(0, limit)
    .map(row => {
      const displayStatus = derivedDisplayStatus(row)
      return {
        id: row?.id ?? row?.alarmId,
        deviceCode: row?.deviceCode ?? '-',
        deviceName: row?.deviceName || row?.deviceCode || '监测设备',
        warningType: row?.warningType || '监测报警',
        alarmLevel: Number(row?.alarmLevel ?? 0),
        alarmLevelText: row?.alarmLevelText || alarmLevelText(row?.alarmLevel),
        alarmTime: row?.alarmTime || '-',
        location: row?.equipmentLocation || '-',
        displayStatus,
        displayStatusText: row?.displayStatusText
          || ALARM_DISPLAY_STATUS_META[displayStatus]?.text
          || '待审核',
        displayStatusType: ALARM_DISPLAY_STATUS_META[displayStatus]?.type || 'warning',
        orderNo: row?.orderNo || row?.relatedOrderNo || ''
      }
    })
  return list
}

function derivedDisplayStatus(row = {}) {
  const explicit = Number(row?.displayStatus)
  if (Number.isFinite(explicit) && explicit !== 0) {
    return explicit
  }
  // 与后端 resolveDisplayStatus 同序：在办工单优先，
  // 其次才看报警是否已处理/误报解除，避免把“已转工单”误判成“已解除”。
  const hasOrder = String(row?.orderNo || row?.relatedOrderNo || '').trim().length > 0
  const orderStatus = Number(row?.orderStatus ?? row?.relatedOrderStatus ?? -1)
  const liveOrder = hasOrder && orderStatus !== 7
  if (liveOrder) {
    return 2
  }
  return Number(row?.alarmStatus) === 1 ? ALARM_DISPLAY_RELEASED : 1
}

/**
 * 实时报警跳转目标：已转工单带工单号 -> 设备维修派单；其余（含待审核）-> 报警审核。
 */
export function realtimeAlarmJumpTarget(row = {}) {
  if (Number(row?.displayStatus) === 2) {
    const orderNo = String(row?.orderNo || '').trim()
    if (orderNo) {
      return { path: '/device/maintain', query: { keyword: orderNo } }
    }
  }
  return {
    path: '/monitorAlarm/audit',
    query: {
      rootTypeId: WATER_DEVICE_ROOT_TYPE_ID,
      alarmId: row?.id ?? row?.alarmId ?? undefined,
      deviceCode: row?.deviceCode || undefined
    }
  }
}

/** B 区异常待办清单：复用设备行标准化，避免口径漂移。 */
export function normalizeAbnormalTodoRows(rows = [], limit = 6) {
  return (Array.isArray(rows) ? rows : []).slice(0, limit).map(normalizeDeviceRow)
}

/** B 区选中设备摘要。 */
export function normalizeDeviceSummary(row = {}) {
  const normalized = normalizeDeviceRow(row)
  return {
    ...normalized,
    name: row.equipmentName || row.deviceName || '-',
    code: row.equipmentCode || row.deviceCode || '-',
    location: row.equipmentLocation || row.location || '-',
    district: row.district || '-',
    typeName: normalized.equipmentTypeName || '-'
  }
}

/** A 区工单进展列表。 */
export function normalizeWorkOrderRows(rows = [], limit = 5) {
  return (Array.isArray(rows) ? rows : [])
    .slice()
    .sort((a, b) => String(b?.createTime || '').localeCompare(String(a?.createTime || '')))
    .slice(0, limit)
    .map(row => {
      const orderStatus = Number(row?.orderStatus ?? -1)
      const orderLevel = Number(row?.orderLevel ?? -1)
      const statusMeta = WORK_ORDER_STATUS_META[orderStatus] || { text: '未知', type: 'info' }
      const levelMeta = WORK_ORDER_LEVEL_META[orderLevel] || { text: '-', type: 'info' }
      return {
        orderId: row?.orderId,
        orderNo: row?.orderNo || '-',
        orderStatus,
        orderStatusText: statusMeta.text,
        orderStatusType: statusMeta.type,
        orderLevel,
        orderLevelText: levelMeta.text,
        orderLevelType: levelMeta.type,
        deviceCode: row?.deviceCode || '-',
        deviceName: row?.deviceName || '-',
        orderDesc: row?.orderDesc || '-',
        createTime: row?.createTime || '-'
      }
    })
}

function finiteCoordinate(value) {
  const numeric = Number(value)
  return Number.isFinite(numeric) ? numeric : null
}

function hasCoordinates(point = {}) {
  const lng = finiteCoordinate(point?.lng ?? point?.longitude)
  const lat = finiteCoordinate(point?.lat ?? point?.latitude)
  return lng !== null && lat !== null
}

function normalizeHomeOverviewPoint(point, kind) {
  const lng = finiteCoordinate(point?.lng ?? point?.longitude)
  const lat = finiteCoordinate(point?.lat ?? point?.latitude)
  if (lng === null || lat === null) return null

  if (kind === 'facility') {
    if (point?.type === 'pipe') return null
    // 设施状态语义统一由共享色板定义，首页与设施 GIS 一张图同源
    const statusMeta = getFacilityStatusMeta(point?.type, point?.status)
    return {
      ...point,
      id: point?.id ?? point?.featureId,
      kind,
      name: point?.name || point?.facilityName || point?.code || '供水设施',
      code: point?.code || point?.facilityCode || '-',
      lng,
      lat,
      statusKey: statusMeta.key,
      statusText: statusMeta.text,
      iconUrl: getMonitoringPointIcon({ statusKey: statusMeta.key }),
      meta: point?.road || '供水设施'
    }
  }

  if (kind === 'alarm') {
    return {
      ...point,
      id: point?.alarmId ?? point?.id,
      kind,
      name: point?.deviceName || point?.name || point?.deviceCode || '报警点',
      code: point?.deviceCode || point?.code || '-',
      lng,
      lat,
      statusKey: 'alarm',
      iconUrl: getMonitoringPointIcon({ statusKey: 'alarm' }),
      meta: point?.warningType || '监测报警'
    }
  }

  const normalized = normalizeDeviceRow(point)
  const statusKey = getMonitoringPointStatus(normalized)
  return {
    ...point,
    kind,
    id: point?.equipmentId ?? point?.id ?? normalized.equipmentCode ?? point?.deviceCode,
    name: normalized.equipmentName || normalized.equipmentCode || '监测设备',
    code: normalized.equipmentCode || point?.deviceCode || '-',
    lng,
    lat,
    statusKey,
    iconUrl: getMonitoringPointIcon({ ...normalized, statusKey }),
    meta: normalized.equipmentTypeName || '监测设备'
  }
}

/**
 * 首页全域态势：聚合设施、设备与报警三类一张图数据，统一交给公共 GisMapCanvas 渲染。
 *
 * 同一设备的报警点与设备点按 deviceCode 合并，报警状态优先于设备自身状态；
 * 设施点位与管网线段原样透传，颜色/图标沿用各一张图规范。
 */
export function buildHomeGisOverview({
  facilityPoints = [],
  facilityLines = [],
  devicePoints = [],
  alarmPoints = []
} = {}) {
  const deviceList = (Array.isArray(devicePoints) ? devicePoints : [])
    .map(point => normalizeHomeOverviewPoint(point, 'device'))
    .filter(Boolean)
  const alarmList = (Array.isArray(alarmPoints) ? alarmPoints : [])
    .map(point => normalizeHomeOverviewPoint(point, 'alarm'))
    .filter(Boolean)

  const merged = new Map()
  deviceList.forEach(point => {
    const key = String(point.code && point.code !== '-' ? point.code : point.id || '')
    if (key) merged.set(key, point)
  })
  alarmList.forEach(point => {
    const key = String(point.code && point.code !== '-' ? point.code : point.id || '')
    const existing = key ? merged.get(key) : undefined
    if (!key || !existing || existing.statusKey !== 'alarm') {
      if (key) merged.set(key, point)
    }
  })

  const facilityPointList = (Array.isArray(facilityPoints) ? facilityPoints : [])
    .map(point => normalizeHomeOverviewPoint(point, 'facility'))
    .filter(Boolean)
  const lines = (Array.isArray(facilityLines) ? facilityLines : [])
    .map(line => ({
      ...line,
      name: line?.name || line?.pipeName || '供水管网',
      color: '#f1c40f',
      points: (line?.points || [])
        .map(point => ({
          lng: finiteCoordinate(point?.lng ?? point?.longitude),
          lat: finiteCoordinate(point?.lat ?? point?.latitude)
        }))
        .filter(point => point.lng !== null && point.lat !== null)
    }))
    .filter(line => (line.points || []).length >= 2)

  return {
    points: [...facilityPointList, ...merged.values()].filter(hasCoordinates),
    lines
  }
}