import { CSSProperties } from 'vue'
import { CommonData, MaybeRef } from '~/common'

interface TrackNode {
  name: string
  nodeCode: string
  flag: boolean
  labelWidth?: number
  descriptions: string[]
}
interface TrackAirport {
  airport: string
  isDeparture: boolean
  trackSteps: TrackNode[]
}
interface TrackAirline {
  flightNO: string
  flightDate: string
  airports: TrackAirport[]
}

const trackNodesMap = {
  departure: [
    {
      name: '收货核单',
      nodeCode: 'DEH',
    },
    {
      name: '查验',
      nodeCode: 'ACC_CHECK',
    },
    {
      name: '安检',
      nodeCode: '安检', // 暂无
    },
    {
      name: '加货',
      nodeCode: 'LS_CARGO',
    },
    {
      name: '待运区',
      nodeCode: 'WAT_LOC',
    },
    {
      name: '货站交接',
      nodeCode: 'CARGOS_DEP_ULD_HANDOVER',
    },
    {
      name: '机下交接',
      nodeCode: '出港货邮',
    },
    {
      name: '装机',
      nodeCode: '装载完成',
    },
    {
      name: '拉下',
      nodeCode: 'CARGOS_OFFLOAD',
    },
    {
      name: '拉回',
      nodeCode: 'OFFLOAD_CONFIRM',
    },
    // {
    //   name: '起飞',
    //   nodeCode: 'TAKEOFF', // 待定
    // },
    {
      name: '退运',
      nodeCode: 'BILL_RETURN',
    },
  ],
  arrival: [
    {
      name: '卸机',
      nodeCode: 'CARGOS_ARR_HANDOVER',
    },
    {
      name: '机下交接',
      nodeCode: 'CARGOS_HANDOVER_STATUS',
    },
    {
      name: '货站交接',
      nodeCode: '货站交接', // 暂无
    },
    {
      name: '理货',
      nodeCode: 'IMP_TALLY',
    },
    {
      name: '出库',
      nodeCode: 'FSU_DLV',
    },
  ],
  internationalDeparture: [],
  internationalArrival: [],
}

export function useTrackData(name: string, trackData: MaybeRef<CommonData[]>) {
  const isInternational = name.includes('International')
  const trackAirlines = ref<TrackAirline[]>([])

  const getTrackAirlines = () => {
    const airlines = unref(trackData).reduce(
      (
        airlines,
        {
          flightNO,
          flightDate,
          departureAirport,
          arriveAirport,
          nodeCode,
          execPosition,
          ConsignmentItemPackagingQuantityQuantity,
          execResult,
          execTime,
        }
      ) => {
        if (
          !nodeCode ||
          Object.values(trackNodesMap)
            .flat()
            .every(node => node.nodeCode !== nodeCode)
        ) {
          return airlines
        }
        const isDeparture = [
          'DEH',
          'ACC_CHECK',
          '安检',
          'ACC_BUP',
          'WAT_LOC',
          'CARGOS_DEP_ULD_HANDOVER',
          '出港货邮',
          '装载完成',
          'CARGOS_OFFLOAD',
          'OFFLOAD_CONFIRM',
          'BILL_RETURN',
        ].includes(String(nodeCode))
        const airport = isDeparture
          ? String(departureAirport ?? '')
          : String(arriveAirport ?? '')
        const trackNode = {
          flag: Boolean(
            execPosition ||
              ConsignmentItemPackagingQuantityQuantity ||
              execResult ||
              execTime
          ),
          descriptions: [
            String(execPosition ?? ''),
            String(ConsignmentItemPackagingQuantityQuantity ?? ''),
            String(execResult ?? ''),
            String(execTime ?? '').split('T')[1] ?? '',
          ],
        }
        const nodeList = trackNodesMap[
          isDeparture
            ? isInternational
              ? 'internationalDeparture'
              : 'departure'
            : isInternational
            ? 'internationalArrival'
            : 'arrival'
        ].map(node => {
          if (node.nodeCode === nodeCode) {
            return {
              ...node,
              ...trackNode,
            }
          } else {
            return {
              ...node,
              flag: false,
              descriptions: [],
            }
          }
        })
        const airline = airlines.find(
          airline =>
            airline.flightNO === flightNO &&
            airline.flightDate === airline.flightDate
        )
        if (airline) {
          const trackAirport = airline.airports.find(
            trackAirport => trackAirport.airport === airport
          )
          if (trackAirport) {
            trackAirport.trackSteps = trackAirport.trackSteps.map(node => {
              if (node.nodeCode === nodeCode) {
                node = {
                  ...node,
                  ...trackNode,
                }
              }
              return node
            })
          } else {
            airline.airports.push({
              airport,
              isDeparture: isDeparture,
              trackSteps: nodeList,
            })
          }
        } else {
          airlines.push({
            flightNO: String(flightNO ?? ''),
            flightDate: String(flightDate ?? ''),
            airports: [
              {
                airport,
                isDeparture: isDeparture,
                trackSteps: nodeList,
              },
            ],
          })
        }
        return airlines
      },
      [] as TrackAirline[]
    )
    trackAirlines.value = airlines.map(airline => {
      return {
        ...airline,
        airports:
          name.includes('Departure') === airline.airports[0].isDeparture
            ? airline.airports
            : airline.airports.reverse(),
      }
    })
  }

  watch(trackData, () => {
    getTrackAirlines()
  })

  const trackBoxStyle = computed(
    () => (airports: TrackAirport[], index: number) => {
      const style: CSSProperties = {}
      const totalLength = airports.reduce((pre, current) => {
        return pre + current.trackSteps.length - 1
      }, 0)
      style.width = totalLength
        ? `calc((100% - ${airports.length - 1} * 8px) * ${
            (airports[index].trackSteps.length - 1) / totalLength
          })`
        : '100%'
      return style
    }
  )
  return {
    trackAirlines,
    trackBoxStyle,
  }
}