import axios from 'axios'
import { http, unwrapApiResponse, ApiResponseError, type ApiEnvelope } from '@/shared/api/http'
import { outsourcedBusinessDecimal, outsourcedBusinessVersion, outsourcedBusinessPhotoRoles, type OutsourcedBusinessOperations, type OutsourcedBusinessRow, type OutsourcedBusinessDetail, type OutsourcedBusinessList, type OutsourcedBusinessQuery, type OutsourcedBusinessSave, type OutsourcedBusinessBind, type OutsourcedBusinessPhoto, type OutsourcedBusinessPhotoSlot, type OutsourcedBusinessCommand, type OutsourcedBusinessHistory, type OutsourcedBusinessPage } from '../outsourcedBusinessTypes'

const base = '/platform/v1/last-leg/fleet/outsourced-business'
const path = (no: string) => `${base}/${encodeURIComponent(no)}`
async function get<T>(url: string, params?: object): Promise<T> { return unwrapApiResponse(await http.get<ApiEnvelope<T>, ApiEnvelope<T>>(url, { params })) }
function count(value: unknown): number { const text = outsourcedBusinessVersion(value); const result = Number(text); if (!Number.isSafeInteger(result)) throw new Error('运营记录数量超出精确范围'); return result }
function decimal(value: string | null, scale: number, precision: number): string | null {
  if (value == null) return null
  if (typeof value !== 'string' || outsourcedBusinessDecimal(value, scale, precision) !== value) throw new Error('运营金额或测量必须使用精确十进制字符串')
  return value
}
function operations(value: OutsourcedBusinessOperations): OutsourcedBusinessOperations {
  if ('actualDistanceMiles' in value || 'fuelConsumptionLitresPer100Km' in value || 'actualFuelLitres' in value) throw new Error('外配运营信息不支持里程或油耗')
  if (value.money && !['CNY','USD'].includes(value.money.currency)) throw new Error('运营金额币种无效')
  const amount = value.money ? decimal(value.money.amount, 2, 18) : null
  if (value.money && amount == null) throw new Error('承运金额与币种必须同时登记')
  return { money: value.money ? { currency: value.money.currency, amount: amount! } : null, arrivals: value.arrivals }
}
function requireSlot(slot: OutsourcedBusinessPhotoSlot) { if (!outsourcedBusinessPhotoRoles.some(role => role.slot === slot)) throw new Error('外配任务不支持该照片分类') }
function row(value: OutsourcedBusinessRow): OutsourcedBusinessRow {
  if (!value.dispatchNo || !['AFTER_LOADING','DELIVERING','DELIVERED'].includes(value.stage) || !['OWNED','DISPATCHED'].includes(value.vehicle?.ownership)) throw new Error('外配排车来源或阶段不完整，请重新读取')
  return { ...value, operations: operations(value.operations), unitPrice: decimal(value.unitPrice,2,18), recordVersion: outsourcedBusinessVersion(value.recordVersion), dispatchRecordVersion: outsourcedBusinessVersion(value.dispatchRecordVersion), actualPalletCount: value.actualPalletCount == null ? null : count(value.actualPalletCount), photoSummary: { loadingCount: count(value.photoSummary.loadingCount) } }
}
function detail(value: OutsourcedBusinessDetail): OutsourcedBusinessDetail { if (value.row.dispatchNo !== value.dispatch.dispatchNo) throw new Error('运营资料与原排车单不一致'); return { ...value, row: row(value.row) } }
function command(value: OutsourcedBusinessCommand): OutsourcedBusinessCommand { return { ...value, recordVersion: value.recordVersion == null ? null : outsourcedBusinessVersion(value.recordVersion) } }
export async function listOutsourcedBusiness(query: OutsourcedBusinessQuery): Promise<OutsourcedBusinessList> {
  const value = await get<OutsourcedBusinessList>(base, query)
  return { ...value, records: value.records.map(row), page: count(value.page), size: count(value.size), total: count(value.total), summary: { dispatchCount: count(value.summary.dispatchCount), afterLoadingCount: count(value.summary.afterLoadingCount), deliveringCount: count(value.summary.deliveringCount), deliveredCount: count(value.summary.deliveredCount) } }
}
export async function getOutsourcedBusiness(no: string) { const value = detail(await get<OutsourcedBusinessDetail>(path(no))); if (value.row.dispatchNo !== no) throw new Error('运营资料与当前排车业务号不一致'); return value }
export async function listOutsourcedBusinessHistory(no: string, page: number, size: number): Promise<OutsourcedBusinessPage<OutsourcedBusinessHistory>> {
  const value = await get<OutsourcedBusinessPage<OutsourcedBusinessHistory>>(`${path(no)}/history`, { page, size })
  return { ...value, records: value.records.map(record => ({ ...record, operations: record.operations ? operations(record.operations) : null, recordVersion: record.recordVersion == null ? null : outsourcedBusinessVersion(record.recordVersion), dispatchRecordVersion: record.dispatchRecordVersion == null ? null : outsourcedBusinessVersion(record.dispatchRecordVersion) })), page: count(value.page), size: count(value.size), total: count(value.total) }
}
export const getOutsourcedBusinessCommand = (no: string, key: string) => get<OutsourcedBusinessCommand>(`${path(no)}/commands/${encodeURIComponent(key)}`).then(command)
export async function saveOutsourcedBusinessOperations(no: string, body: OutsourcedBusinessSave) {
  outsourcedBusinessVersion(body.recordVersion)
  operations(body.operations)
  const value = detail(unwrapApiResponse(await http.put<ApiEnvelope<OutsourcedBusinessDetail>, ApiEnvelope<OutsourcedBusinessDetail>>(`${path(no)}/operations`, body)))
  if (value.row.dispatchNo !== no) throw new Error('运营保存结果与原排车单不一致')
  return value
}
export async function uploadOutsourcedBusinessPhoto(no: string, slot: OutsourcedBusinessPhotoSlot, file: File, key: string) {
  requireSlot(slot)
  if (!['image/jpeg','image/png'].includes(file.type) || file.size <= 0) throw new Error('请选择有效的JPG或PNG图片')
  const form = new FormData(); form.append('file', file); form.append('idempotencyKey', key)
  const value = unwrapApiResponse(await http.post<ApiEnvelope<OutsourcedBusinessPhoto>, ApiEnvelope<OutsourcedBusinessPhoto>>(`${path(no)}/photos/${slot}/uploads`, form))
  if (value.slot !== slot || !value.fileId) throw new Error('上传文件与原照片分类不一致')
  return value
}
export async function bindOutsourcedBusinessPhoto(no: string, slot: OutsourcedBusinessPhotoSlot, body: OutsourcedBusinessBind) {
  requireSlot(slot)
  outsourcedBusinessVersion(body.recordVersion)
  const value = detail(unwrapApiResponse(await http.put<ApiEnvelope<OutsourcedBusinessDetail>, ApiEnvelope<OutsourcedBusinessDetail>>(`${path(no)}/photos/${slot}`, body)))
  if (value.row.dispatchNo !== no) throw new Error('照片绑定结果与原排车单不一致')
  return value
}
async function downloadError(payload: unknown, status: number) {
  let value = payload
  if (payload instanceof Blob && payload.type.includes('json')) { try { value = JSON.parse(await payload.text()) as unknown } catch { throw new Error('图片接口返回了无法识别的错误') } }
  if (value && typeof value === 'object' && 'code' in value) { const error = value as ApiEnvelope<unknown>; throw new ApiResponseError(error.message || '图片读取失败', error.code, status, error.data, error.requestId, error.traceId) }
}
export async function getOutsourcedBusinessPhotoContent(no: string, photo: OutsourcedBusinessPhoto, revisionVersion?: string): Promise<Blob> {
  requireSlot(photo.slot)
  if (revisionVersion != null && BigInt(outsourcedBusinessVersion(revisionVersion)) < 1n) throw new Error('历史图片版本必须大于零')
  try {
    const blob = await http.get<Blob, Blob>(`${path(no)}/photos/${photo.slot}/files/${encodeURIComponent(photo.fileId)}/content`, { responseType: 'blob', params: revisionVersion == null ? undefined : { revisionVersion: outsourcedBusinessVersion(revisionVersion) } })
    await downloadError(blob, 200)
    if (!(blob instanceof Blob) || !['image/jpeg','image/png'].includes(blob.type) || !blob.size) throw new Error('图片内容为空或格式无效')
    return blob
  } catch (cause) { if (axios.isAxiosError(cause)) await downloadError(cause.response?.data, cause.response?.status || 0); throw cause }
}