import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
import { httpGet, httpPost } from '@/utils/request'

/**
 * 询价 Store
 * W3.7 改用 httpGet 统一封装
 *
 * F002 W2 起调真 API:
 *   - GET  /sys/openapi/inquiry/list?page=&limit=&status=
 *   - GET  /sys/openapi/inquiry/info?id=
 *   - POST /sys/openapi/inquiry/publish
 *   - POST /sys/openapi/inquiry/quote
 *   - POST /sys/openapi/inquiry/cancel
 *
 * 字段映射(后端 db 字段 -> 前端展示):
 *   - id              -> 单号
 *   - customerName    -> 客户
 *   - productName     -> 商品
 *   - purchaseQuantity+unit -> 数量
 *   - status          -> 状态
 *   - createDate      -> 时间
 */

export type InquiryStatus = 'pending' | 'quoting' | 'done' | 'cancelled' | string

export interface Inquiry {
  id: string
  customer: string
  product: string
  qty: string
  status: InquiryStatus
  time: string
  raw?: any
}

export interface InquiryListResult {
  list: Inquiry[]
  total: number
  page: number
  limit: number
  isLive: boolean
  error?: string
}

const STATUS_MAP: Record<string, { label: string; type: string }> = {
  pending: { label: '待报价', type: 'primary' },
  quoting: { label: '报价中', type: 'warning' },
  done: { label: '已成交', type: 'success' },
  cancelled: { label: '已取消', type: 'danger' }
}

export const STATUS_OPTIONS = [
  { value: '', label: '全部' },
  { value: 'pending', label: '待报价' },
  { value: 'quoting', label: '报价中' },
  { value: 'done', label: '已成交' },
  { value: 'cancelled', label: '已取消' }
]

export function statusLabel(s: string) {
  return STATUS_MAP[s]?.label || s || '未知'
}
export function statusType(s: string): any {
  return (STATUS_MAP[s]?.type || 'info') as any
}

function normalizeInquiry(it: any): Inquiry {
  return {
    id: String(it.id || it.rfqId || it.inquiryId || 'RFQ-?'),
    customer: it.customerName || it.customer || it.customerCode || '--',
    product: it.productName || it.product || it.productCode || '--',
    qty: it.purchaseQuantity
      ? `${it.purchaseQuantity}${it.unit ? ' ' + it.unit : ''}`
      : it.qty || '--',
    status: it.status || 'pending',
    time: (it.createDate || it.createTime || '').toString().slice(0, 16),
    raw: it
  }
}

export const useInquiryStore = defineStore('inquiry', () => {
  const list = ref<Inquiry[]>([])
  const total = ref(0)
  const page = ref(1)
  const limit = ref(20)
  const statusFilter = ref<string>('')
  const loading = ref(false)
  const error = ref<string | null>(null)
  const lastFetchedAt = ref(0)
  const isLive = ref(false)

  const pageCount = computed(() => Math.max(1, Math.ceil(total.value / limit.value)))

  async function fetchList(force = false) {
    if (loading.value) return
    if (!force && lastFetchedAt.value && Date.now() - lastFetchedAt.value < 60 * 1000) {
      return
    }
    loading.value = true
    error.value = null
    try {
      const data = await httpGet<any[]>('/sys/openapi/inquiry/list', {
        page: page.value,
        limit: limit.value,
        ...(statusFilter.value ? { status: statusFilter.value } : {})
      })
      list.value = (Array.isArray(data) ? data : []).map(normalizeInquiry)
      total.value = list.value.length + (page.value - 1) * limit.value // 简化 total(后端不返)
      isLive.value = true
      lastFetchedAt.value = Date.now()
    } catch (e: any) {
      error.value = e?.msg || e?.message || '询价列表加载失败'
      isLive.value = false
    } finally {
      loading.value = false
    }
  }

  /**
   * 详情优先复用 store.list 缓存(W2 D4 踩坑:后端 /info 期望 Long 不接受雪花 ID 字符串)
   * 不命中再调 fetchOne
   */
  async function fetchOne(id: string): Promise<Inquiry | null> {
    try {
      const data = await httpGet<any>(`/sys/openapi/inquiry/${id}`)
      return data ? normalizeInquiry(data) : null
    } catch {
      return null
    }
  }

  /**
   * W3.4 报价:POST /sys/openapi/inquiry/quote
   * 入参 id + price + remark
   * 业务异常交给调用方处理(用 try/catch,err.msg 给 toast)
   */
  async function quote(id: string, price: number, remark: string): Promise<any> {
    return await httpPost<any>('/sys/openapi/inquiry/quote', { id, price, remark })
  }

  function setStatusFilter(s: string) {
    statusFilter.value = s
    page.value = 1
  }
  function setPage(p: number) {
    page.value = p
  }

  return {
    list, total, page, limit, statusFilter, loading, error, isLive, pageCount,
    lastFetchedAt,
    fetchList, fetchOne, quote, setStatusFilter, setPage
  }
})