import dayjs from 'dayjs'
import type {
  DeviceTimelineRow,
  HourlyStatusItem,
  OverviewOption,
  RunOverviewData,
  RunOverviewQueryParams,
  RunOverviewMetric,
  RunStatus
} from './components/types'

const DATE_TIME_FORMAT = 'YYYY-MM-DD HH:mm:ss'

export const GROUP_OPTIONS: OverviewOption[] = [
  { label: 'SMT一组', value: 'group-1' },
  { label: '成型二组', value: 'group-2' },
  { label: '总装三组', value: 'group-3' }
]

export const DEVICE_OPTIONS: OverviewOption[] = [
  { label: '模拟干燥设备04', value: 'device-01' },
  { label: '模拟干燥设备03', value: 'device-02' },
  { label: '模拟干燥设备02', value: 'device-03' },
  { label: '成型模拟设备05', value: 'device-04' },
  { label: '成型模拟设备04', value: 'device-05' },
  { label: '模拟干燥设备', value: 'device-06' },
  { label: '成型模拟设备02', value: 'device-07' },
  { label: '成型模拟设备01', value: 'device-08' },
  { label: '物流输送设备01', value: 'device-09' },
  { label: '包装工作站02', value: 'device-10' },
  { label: '包装工作站03', value: 'device-11' },
  { label: '拧紧设备01', value: 'device-12' },
  { label: '视觉检测设备01', value: 'device-13' }
]

const shiftTimeline = (segments: Array<{ status: RunStatus; startHour: number; endHour: number }>, offset: number) =>
  segments.map((segment, index) => {
    let nextStart = segment.startHour + offset
    let nextEnd = segment.endHour + offset
    if (index === 0 && nextStart < 0) nextStart = 0
    if (index === segments.length - 1 && nextEnd > 24) nextEnd = 24
    return {
      ...segment,
      startHour: Math.max(0, Math.min(24, Number(nextStart.toFixed(2)))),
      endHour: Math.max(0, Math.min(24, Number(nextEnd.toFixed(2))))
    }
  })

const BASE_SEGMENTS = [
  { status: 'running' as const, startHour: 0, endHour: 2.7 },
  { status: 'standby' as const, startHour: 2.7, endHour: 3.1 },
  { status: 'running' as const, startHour: 3.1, endHour: 6.6 },
  { status: 'standby' as const, startHour: 6.6, endHour: 7.15 },
  { status: 'running' as const, startHour: 7.15, endHour: 13.9 },
  { status: 'standby' as const, startHour: 13.9, endHour: 14.25 },
  { status: 'offline' as const, startHour: 14.25, endHour: 14.95 },
  { status: 'running' as const, startHour: 14.95, endHour: 17.45 },
  { status: 'fault' as const, startHour: 17.45, endHour: 18.15 },
  { status: 'standby' as const, startHour: 18.15, endHour: 18.8 },
  { status: 'running' as const, startHour: 18.8, endHour: 20.55 },
  { status: 'standby' as const, startHour: 20.55, endHour: 20.95 },
  { status: 'running' as const, startHour: 20.95, endHour: 22.25 },
  { status: 'offline' as const, startHour: 22.25, endHour: 23.05 },
  { status: 'running' as const, startHour: 23.05, endHour: 23.7 },
  { status: 'offline' as const, startHour: 23.7, endHour: 24 }
]

const TIMELINE_OFFSETS = [0, -0.3, 0.8, -0.5, 0.45, 1.05, -1.1, 0.25, -0.75, 0.6, -0.2, 1.2, -0.45]

export const buildDefaultQueryParams = (): RunOverviewQueryParams => {
  const start = dayjs().startOf('day')
  const end = dayjs().endOf('day')
  return {
    groupId: GROUP_OPTIONS[0].value,
    deviceId: '',
    quickRange: 'today',
    timeRange: [start.format(DATE_TIME_FORMAT), end.format(DATE_TIME_FORMAT)]
  }
}

const toTimelineRows = (): DeviceTimelineRow[] =>
  DEVICE_OPTIONS.map((device, index) => ({
    id: device.value,
    name: device.label,
    utilizationRate: [82.35, 76.12, 68.54, 75.63, 72.18, 91.24, 65.32, 78.44, 71.05, 83.67, 69.18, 87.42, 74.56][index],
    segments: shiftTimeline(BASE_SEGMENTS, TIMELINE_OFFSETS[index] || 0)
  }))

const toHourlyStatus = (summaryFactor: number): HourlyStatusItem[] => {
  return Array.from({ length: 24 }, (_, hour) => {
    const runningBase = 74 + Math.sin((hour / 24) * Math.PI * 3) * 14 + summaryFactor * 2
    const standbyBase = 10 + Math.cos((hour / 24) * Math.PI * 4) * 7
    const faultBase = 2 + Math.max(0, Math.sin((hour - 5) / 2.2)) * 5
    const offlineBase = 100 - runningBase - standbyBase - faultBase

    const running = Math.max(48, Math.min(88, Number(runningBase.toFixed(2))))
    const standby = Math.max(4, Math.min(26, Number(standbyBase.toFixed(2))))
    const fault = Math.max(1, Math.min(8, Number(faultBase.toFixed(2))))
    const offline = Number(Math.max(4, 100 - running - standby - fault).toFixed(2))

    return {
      hour: `${String(hour).padStart(2, '0')}:00`,
      running,
      standby,
      fault,
      offline
    }
  })
}

const createMetrics = (summaryFactor: number): RunOverviewMetric[] => [
  {
    key: 'utilizationRate',
    icon: 'ep:pie-chart',
    value: Number((75.42 + summaryFactor * 1.2).toFixed(2)),
    unit: '%',
    change: 4.32
  },
  {
    key: 'powerOnRate',
    icon: 'ep:video-play',
    value: Number((90.12 + summaryFactor * 0.7).toFixed(2)),
    unit: '%',
    change: 2.15
  },
  {
    key: 'faultRate',
    icon: 'ep:warning',
    value: Number(Math.max(1.5, 3.21 - summaryFactor * 0.35).toFixed(2)),
    unit: '%',
    change: -1.03
  },
  {
    key: 'standbyRate',
    icon: 'ep:timer',
    value: Number(Math.max(4, 6.67 - summaryFactor * 0.25).toFixed(2)),
    unit: '%',
    change: -1.14
  }
]

const createSummary = (summaryFactor: number) => {
  const running = Number((75.42 + summaryFactor * 1.2).toFixed(2))
  const standby = Number(Math.max(4, 6.67 - summaryFactor * 0.25).toFixed(2))
  const fault = Number(Math.max(1.5, 3.21 - summaryFactor * 0.35).toFixed(2))
  const offline = Number((100 - running - standby - fault).toFixed(2))

  return [
    { status: 'running' as const, percent: running, hours: Number(((24 * running) / 100).toFixed(2)) },
    { status: 'standby' as const, percent: standby, hours: Number(((24 * standby) / 100).toFixed(2)) },
    { status: 'fault' as const, percent: fault, hours: Number(((24 * fault) / 100).toFixed(2)) },
    { status: 'offline' as const, percent: offline, hours: Number(((24 * offline) / 100).toFixed(2)) }
  ]
}

export const buildRunOverviewData = (query: RunOverviewQueryParams): RunOverviewData => {
  const summaryFactor =
    query.quickRange === 'today'
      ? 0
      : query.quickRange === 'yesterday'
        ? -0.8
        : query.quickRange === 'last7Days'
          ? 1.1
          : query.quickRange === 'last30Days'
            ? 0.45
            : 0.15

  const rows = toTimelineRows()
  const filteredRows = query.deviceId ? rows.filter((row) => row.id === query.deviceId) : rows

  return {
    metrics: createMetrics(summaryFactor),
    hourlyStatus: toHourlyStatus(summaryFactor),
    summary: createSummary(summaryFactor),
    timelineRows: filteredRows,
    totalDevices: filteredRows.length
  }
}