import request from '@/utils/http'

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

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

function filterParams(params = {}, ignoredKeys = []) {
  return Object.fromEntries(
    Object.entries(params)
      .filter(([key, value]) => {
        if (ignoredKeys.includes(key)) return false
        if (value === undefined || value === null) return false
        if (typeof value === 'string' && value.trim() === '') return false
        return true
      })
      .map(([key, value]) => [key, normalizeText(value)])
  )
}

export function buildPreparationPageParams(params = {}) {
  return {
    current: params.current || 1,
    pageSize: params.pageSize || params.size || 20,
    ...filterParams(params, ['current', 'pageSize', 'size'])
  }
}

export function buildPreparationItemPageParams(params = {}) {
  return {
    current: params.current || 1,
    pageSize: params.pageSize || params.size || 20,
    ...(params.orderId !== undefined ? { orderId: Number(params.orderId) } : {}),
    ...filterParams(params, ['current', 'pageSize', 'size', 'orderId'])
  }
}

export function fetchPreparationPage(params = {}) {
  return request.post({ url: '/preparation/page', params: buildPreparationPageParams(params) })
}

export function fetchPreparationItemPage(params = {}) {
  return request.post({
    url: '/outStockItem/page',
    params: buildPreparationItemPageParams(params)
  })
}

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

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

export function fetchDeletePreparation(ids) {
  return request.post({ url: `/preparation/remove/${normalizeIds(ids)}` })
}

export function fetchCompletePreparation(id) {
  return request.get({ url: `/preparation/complete/${id}` })
}

export function fetchCancelPreparation(id) {
  return request.get({ url: `/preparation/cancel/${id}` })
}

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