import { computed, ref } from 'vue'
import { analyticsApi } from './api/analytics'
import { contextParams } from './state'
import type { OwnerOption, QueryContext } from './types'

export function useOwnerDirectory() {
  const owners = ref<OwnerOption[]>([]), error = ref('')
  let loaded = '', generation = 0
  const options = computed(() => owners.value.map(owner => ({ value: owner.customerCode, label: owner.customerName ? `${owner.customerName} (${owner.customerCode})` : owner.customerCode })))
  async function load(context: QueryContext, warehouseCode: string, signal?: AbortSignal) {
    const key = `${warehouseCode}|${context.queryAsOf}`
    if (key === loaded) return
    const request = ++generation
    try {
      const result = await analyticsApi.ownerDirectory({ sourceAccount: 'lingxing-primary', warehouseCode, ...contextParams(context) }, signal)
      if (request !== generation || signal?.aborted) return
      owners.value = result; loaded = key; error.value = ''
    } catch {
      if (request !== generation || signal?.aborted) return
      owners.value = []; loaded = ''; error.value = '客户名称选项读取失败，请刷新重试'
    }
  }
  return { options, error, load }
}