/**
 * 运输模块 API（/transport/*）
 * 协议与报销侧 bx HTTP 一致：有信封时 code===0；直出 { list, total } 亦可。
 */
import { request, parseResponseJson } from '@/utils/request'

function unwrap(res) {
  const body = parseResponseJson(res)
  if (!body || typeof body !== 'object') {
    throw new Error('接口响应异常')
  }
  if (body.code != null && body.code !== 0) {
    throw new Error(body.msg || body.message || '请求失败')
  }
  return body.data != null ? body.data : body
}

async function get(url, params = {}) {
  const res = await request({ url, method: 'GET', data: params, params })
  return unwrap(res)
}

async function post(url, data = {}) {
  const res = await request({ url, method: 'POST', data })
  return unwrap(res)
}

async function patch(url, data = {}) {
  const res = await request({ url, method: 'PATCH', data })
  return unwrap(res)
}

function pageParams(query = {}) {
  const { pageNum, page, pageSize, ...rest } = query
  const params = {
    page: pageNum ?? page ?? 1,
    pageSize: pageSize ?? 20
  }
  Object.keys(rest).forEach((k) => {
    if (rest[k] != null && rest[k] !== '') params[k] = rest[k]
  })
  return params
}

function normalizeList(data) {
  if (Array.isArray(data)) return { rows: data, total: data.length }
  const d = data || {}
  return {
    rows: d.rows || d.list || [],
    total: d.total ?? 0
  }
}

// ── 运输计划 ──

export async function listPlans(query = {}) {
  return normalizeList(await get('/transport/plan/', pageParams(query)))
}

export async function getPlan(id) {
  return get(`/transport/plan/${String(id)}`)
}

export async function getPlanArrangeInfo(id) {
  return get(`/transport/plan/${String(id)}/arrange-info`)
}

export async function updateProductCerts(id, products) {
  return patch(`/transport/plan/${String(id)}/product-certs`, { products })
}

export async function setHazardCertReady(id, ready) {
  return patch(`/transport/plan/${String(id)}/hazard-cert-ready`, { ready: !!ready })
}

export async function archivePlan(id, body) {
  return post(`/transport/plan/${String(id)}/archive`, body || {})
}

export async function arrangeTransport(planId, data) {
  return post(`/transport/order/arrange/${String(planId)}`, data)
}

// ── 车辆 / 驾押（安排运输选人）──

export async function listVehicles(query = {}) {
  return normalizeList(await get('/transport/vehicle', pageParams(query)))
}

export async function listPersonnel(query = {}) {
  return normalizeList(await get('/transport/personnel', pageParams(query)))
}

// ── 运费结算 ──

export async function listFreight(query = {}) {
  return normalizeList(await get('/transport/freight/', pageParams(query)))
}

export async function getFreight(id) {
  return get(`/transport/freight/${String(id)}`)
}

export async function listUnsettledPlans(query = {}) {
  return normalizeList(await get('/transport/freight/unsettled-plans', pageParams(query)))
}

export async function createFreight(data) {
  return post('/transport/freight/', data)
}

/** 提交审批（需审批人 ID，复杂选人建议 Web；小程序可传已选 ID） */
export async function submitFreightApproval(id, data) {
  return post(`/transport/freight/${String(id)}/submit-approval`, data)
}

export async function processFreightApproval(approvalId, data) {
  return post(`/transport/freight/approval/${String(approvalId)}`, data)
}

export async function getFreightApprovalFlow(id) {
  const data = await get(`/transport/freight/${String(id)}/approval-flow`)
  return Array.isArray(data) ? data : []
}