import request from '@/utils/http'

function normalizeText(value) {
  return typeof value === 'string' ? value.trim() : String(value ?? '').trim()
}

function normalizeNumber(value, fallback = void 0) {
  if (value === '' || value === null || value === undefined) {
    return fallback
  }
  const parsed = Number(value)
  return Number.isNaN(parsed) ? fallback : parsed
}

function normalizeIds(ids) {
  if (Array.isArray(ids)) {
    return ids
      .map((id) => String(id).trim())
      .filter(Boolean)
      .join(',')
  }
  if (ids === null || ids === undefined) {
    return ''
  }
  return String(ids).trim()
}

const TEXT_FIELDS = [
  'condition',
  'timeStart',
  'timeEnd',
  'transferCode',
  'matnrCode',
  'maktx',
  'unit',
  'batch',
  'spec',
  'model',
  'fieldsIndex',
  'platItemId',
  'platOrderCode',
  'platWorkCode',
  'projectCode',
  'memo'
]

const NUMBER_FIELDS = ['transferId', 'matnrId', 'anfme', 'workQty', 'qty', 'splrId', 'status']

function buildSearchParams(params = {}) {
  const result = {}

  TEXT_FIELDS.forEach((key) => {
    const value = normalizeText(params[key])
    if (value) {
      result[key] = value
    }
  })

  NUMBER_FIELDS.forEach((key) => {
    const value = normalizeNumber(params[key], void 0)
    if (value !== void 0) {
      result[key] = value
    }
  })

  return result
}

export function buildTransferItemPageParams(params = {}) {
  return {
    current: params.current || 1,
    pageSize: params.pageSize || params.size || 20,
    ...buildSearchParams(params)
  }
}

export function buildTransferItemQueryParams(condition = '') {
  const normalizedCondition = normalizeText(condition)
  return normalizedCondition ? { condition: normalizedCondition } : {}
}

export function fetchTransferItemPage(params = {}) {
  return request.post({
    url: '/transferItem/page',
    params: buildTransferItemPageParams(params)
  })
}

export function fetchTransferItemList(params = {}) {
  return request.post({
    url: '/transferItem/list',
    data: buildSearchParams(params)
  })
}

export function fetchTransferItemMany(ids) {
  return request.post({
    url: `/transferItem/many/${normalizeIds(ids)}`
  })
}

export function fetchTransferItemDetail(id) {
  return request.get({
    url: `/transferItem/${id}`
  })
}

export function fetchTransferItemQuery(condition = '') {
  return request.post({
    url: '/transferItem/query',
    params: buildTransferItemQueryParams(condition)
  })
}

export async function fetchExportTransferItemReport(payload = {}, options = {}) {
  return fetch(`${import.meta.env.VITE_API_URL}/transferItem/export`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      ...(options.headers || {})
    },
    body: JSON.stringify(payload)
  })
}