import { ILedgerRecord } from '@/types/ledger.ts'
import { IStatsChart } from 'vue3-common/types'

export const statsByField = (records: ILedgerRecord[],
  field: keyof ILedgerRecord): IStatsChart[] => {
  const statsMap = new Map<string, number>()

  records.forEach((record) => {
    const fieldValue = record[field] as string
    const filedStats = record.totalPrice as number

    const currentTotal = statsMap.get(fieldValue) || 0
    // 计算当前字段对应的统计数据
    statsMap.set(fieldValue, currentTotal + filedStats)
  })

  return Array.from(statsMap.entries())
    .map(([name, value]) => ({
      name,
      value: Number(value.toFixed(2))
    }))
    .sort((a, b) => b.value - a.value)
    .slice(0, 5)
}

export const getLedgerSortByPrice = (records: ILedgerRecord[]) => {
  return records.sort((a, b) => b?.totalPrice - a?.totalPrice)
}