/**
 * 地磅表单 options（对齐 H5 pickers：CRM 客户/产品 + 运输车辆）
 */
import { request, parseResponseJson } from '@/utils/request'
import db from '@/utils/dbRequest'

function extractOptions(res) {
  if (Array.isArray(res)) return res
  if (!res || typeof res !== 'object') return []
  return res.list || res.rows || res.items || res.data?.list || res.data?.rows || []
}

function unwrapPortal(res) {
  const result = parseResponseJson(res)
  if (result && typeof result === 'object' && 'code' in result) {
    if (result.code === 200 || result.code === 0) {
      return result.data !== undefined ? result.data : result
    }
    const msg = result.message || result.msg || '请求失败'
    uni.showToast({ title: String(msg).slice(0, 40), icon: 'none' })
    throw new Error(msg)
  }
  return result
}

/** CRM 客户下拉 */
export async function fetchCustomerOptions(keyword) {
  const res = await request({
    url: '/web/crm/customer/options',
    method: 'POST',
    data: {
      limit: keyword?.trim() ? 50 : 20,
      ...(keyword?.trim() ? { keyword: keyword.trim() } : {})
    }
  })
  return extractOptions(unwrapPortal(res))
}

/** CRM 产品下拉（上架） */
export async function fetchProductOptions(keyword) {
  const res = await request({
    url: '/web/crm/products/options',
    method: 'POST',
    data: {
      limit: keyword?.trim() ? 50 : 20,
      ...(keyword?.trim() ? { keyword: keyword.trim() } : {})
    }
  })
  return extractOptions(unwrapPortal(res))
}

/**
 * 运输车辆车牌
 * @param {string} [q] 车牌模糊搜索
 * @param {{ vehicleType?: string }} [opts] vehicleType: self-自有 / carrier-三方
 */
export async function fetchVehicleOptions(q, opts = {}) {
  const params = {
    ...(q?.trim() ? { q: q.trim() } : {}),
    ...(opts.vehicleType ? { vehicleType: opts.vehicleType } : {}),
    ...(opts.mineVehicles ? { mineVehicles: true } : {}),
    page: 1,
    pageSize: 100
  }
  try {
    const data = await db.get('/transport/vehicle', params)
    return extractOptions(data)
  } catch (e) {
    // 兼容门户信封
    const res = await request({
      url: '/transport/vehicle',
      method: 'GET',
      data: params
    })
    return extractOptions(unwrapPortal(res))
  }
}