import axios from 'axios'
import { ApiResponseError, http, unwrapApiResponse, type ApiEnvelope } from '@/shared/api/http'
import type { OceanBookingActualCargoRequest, OceanBookingAgentOption, OceanBookingCarrierCode, OceanBookingDetail, OceanBookingDocument, OceanBookingDocumentInvalidation, OceanBookingDocumentMutation, OceanBookingDocumentType, OceanBookingLinkCandidatePage, OceanBookingLinkCandidateQuery, OceanBookingPage, OceanBookingPrintType, OceanBookingQuery, OceanBookingResource, OceanBookingSaveRequest, OceanBookingStatus, OceanBookingReleaseRequest } from '../types'

const basePath = '/platform/v1/ocean-bookings'
const maxErrorEnvelopeBytes = 1024 * 1024

export interface OceanLogisticsChannel {
  channelCode: string
  channelName: string
}
function pageNumber(value: number | string, fallback: number) { const n = Number(value); return Number.isFinite(n) ? Math.trunc(n) : fallback }
function booking(raw: OceanBookingResource): OceanBookingResource {
  const item = raw as OceanBookingResource & { version?: number | string | null }
  return {
    ...raw,
    id: String(raw.id),
    version: Number(item.version ?? 0),
    customerId: raw.customerId == null ? null : String(raw.customerId),
    shippingCompanyId: raw.shippingCompanyId == null ? null : String(raw.shippingCompanyId),
    carrierCode: raw.carrierCode ?? null,
    bookingAgentId: raw.bookingAgentId == null ? null : String(raw.bookingAgentId),
    containerCount: Number(raw.containerCount ?? 0),
    declaredPackageCount: raw.declaredPackageCount == null ? null : Number(raw.declaredPackageCount),
    declaredGrossWeightKg: raw.declaredGrossWeightKg == null ? null : Number(raw.declaredGrossWeightKg),
    declaredVolumeCbm: raw.declaredVolumeCbm == null ? null : Number(raw.declaredVolumeCbm),
    actualPackageCount: raw.actualPackageCount == null ? null : Number(raw.actualPackageCount),
    actualGrossWeightKg: raw.actualGrossWeightKg == null ? null : Number(raw.actualGrossWeightKg),
    actualVolumeCbm: raw.actualVolumeCbm == null ? null : Number(raw.actualVolumeCbm),
    pol: raw.pol ?? raw.departurePortName ?? null,
    pod: raw.pod ?? raw.destinationPortName ?? null,
    carrierName: raw.carrierName ?? raw.shippingCompanyName ?? null,
    bookingAgent: raw.bookingAgent ?? raw.bookingAgentName ?? null,
    etd: raw.etd ?? raw.estimatedSailingAt ?? null,
    eta: raw.eta ?? raw.estimatedArrivalAt ?? null,
  }
}
function detail(raw: OceanBookingDetail): OceanBookingDetail {
  const source = booking(raw.oceanBooking || raw)
  const histories = (raw.histories || raw.statusHistory || []).map((event) => ({ ...event, id: String(event.id) }))
  return {
    ...raw,
    ...source,
    oceanBooking: source,
    parties: (raw.parties || []).map((party) => ({ ...party, id: party.id == null ? undefined : String(party.id) })),
    containerRequirements: (raw.containerRequirements || []).map((requirement) => ({
      ...requirement,
      id: requirement.id == null ? undefined : String(requirement.id),
      requirementId: requirement.requirementId == null && requirement.id == null ? undefined : String(requirement.requirementId ?? requirement.id),
      quantity: Number(requirement.quantity),
      remainingQuantity: requirement.remainingQuantity == null ? undefined : Number(requirement.remainingQuantity),
      capacityCbm: Number(requirement.capacityCbm),
      maxWeightKg: Number(requirement.maxWeightKg),
    })),
    containers: (raw.containers || []).map((container) => ({
      ...container,
      containerBookingId: String(container.containerBookingId),
      requirementId: String(container.requirementId),
      capacityCbm: Number(container.capacityCbm),
      maxWeightKg: Number(container.maxWeightKg),
    })),
    documents: (raw.documents || []).map(document),
    histories,
    statusHistory: histories,
  }
}
export async function listOceanBookings(query: OceanBookingQuery) {
  const response = await http.get<ApiEnvelope<OceanBookingPage>, ApiEnvelope<OceanBookingPage>>(basePath, { params: query })
  const result = unwrapApiResponse(response)
  return { ...result, records: (result.records || []).map(booking), page: pageNumber(result.page, query.page), size: pageNumber(result.size, query.size), total: pageNumber(result.total, 0), pages: pageNumber(result.pages, 0) } satisfies OceanBookingPage
}
export async function listOceanBookingLinkCandidates(query: OceanBookingLinkCandidateQuery) {
  const response = await http.get<ApiEnvelope<OceanBookingLinkCandidatePage>, ApiEnvelope<OceanBookingLinkCandidatePage>>(`${basePath}/link-candidates`, { params: query })
  const result = unwrapApiResponse(response)
  return {
    ...result,
    records: (result.records || []).map((candidate) => ({
      ...candidate,
      oceanBookingId: String(candidate.oceanBookingId),
      requirementId: String(candidate.requirementId),
      capacityCbm: Number(candidate.capacityCbm),
      maxWeightKg: Number(candidate.maxWeightKg),
      requiredQuantity: Number(candidate.requiredQuantity),
      allocatedQuantity: Number(candidate.allocatedQuantity),
      remainingQuantity: Number(candidate.remainingQuantity),
    })),
    page: pageNumber(result.page, query.page),
    size: pageNumber(result.size, query.size),
    total: pageNumber(result.total, 0),
    pages: pageNumber(result.pages, 0),
  } satisfies OceanBookingLinkCandidatePage
}
export async function getOceanBooking(id: string) { const response = await http.get<ApiEnvelope<OceanBookingDetail>, ApiEnvelope<OceanBookingDetail>>(`${basePath}/${encodeURIComponent(id)}`); return detail(unwrapApiResponse(response)) }
function idempotencyKey() { return `ocean-booking-${Date.now()}-${Math.random().toString(36).slice(2)}` }
export async function createOceanBooking(payload: OceanBookingSaveRequest) { const response = await http.post<ApiEnvelope<OceanBookingDetail>, ApiEnvelope<OceanBookingDetail>>(basePath, payload, { headers: { 'Idempotency-Key': idempotencyKey() } }); return detail(unwrapApiResponse(response)) }
export async function updateOceanBookingDraft(id: string, payload: OceanBookingSaveRequest) { const response = await http.put<ApiEnvelope<OceanBookingDetail>, ApiEnvelope<OceanBookingDetail>>(`${basePath}/${encodeURIComponent(id)}`, payload, { headers: { 'Idempotency-Key': idempotencyKey() } }); return detail(unwrapApiResponse(response)) }
export async function updateOceanBookingActualCargo(id: string, payload: OceanBookingActualCargoRequest) {
  const response = await http.put<ApiEnvelope<OceanBookingDetail>, ApiEnvelope<OceanBookingDetail>>(`${basePath}/${encodeURIComponent(id)}/actual-cargo`, payload, { headers: { 'Idempotency-Key': idempotencyKey() } })
  return detail(unwrapApiResponse(response))
}
export async function deleteOceanBookingDraft(id: string, expectedVersion: number) { await http.delete(`${basePath}/${encodeURIComponent(id)}`, { data: { expectedVersion }, headers: { 'Idempotency-Key': idempotencyKey() } }) }
export async function releaseOceanBooking(id: string, request: OceanBookingReleaseRequest) { const response = await http.post<ApiEnvelope<OceanBookingDetail>, ApiEnvelope<OceanBookingDetail>>(`${basePath}/${encodeURIComponent(id)}/release`, request, { headers: { 'Idempotency-Key': idempotencyKey() } }); return detail(unwrapApiResponse(response)) }
const printPaths: Record<OceanBookingPrintType, string> = {
  SHIPPING_INSTRUCTION: 'shipping-instruction',
  BILL_OF_LADING_CONFIRMATION: 'bill-of-lading-confirmation',
}
function document(raw: OceanBookingDocument): OceanBookingDocument {
  return {
    ...raw,
    id: String(raw.id),
    oceanBookingId: String(raw.oceanBookingId),
    fileId: String(raw.fileId),
    sizeBytes: raw.sizeBytes == null ? null : Number(raw.sizeBytes),
    uploadedBy: String(raw.uploadedBy),
    invalidatedBy: raw.invalidatedBy == null ? null : String(raw.invalidatedBy),
  }
}
export async function downloadOceanBookingPrint(id: string, type: OceanBookingPrintType) {
  return requestBlob(`${basePath}/${encodeURIComponent(id)}/prints/${printPaths[type]}`)
}
async function parseBlobError(blob: Blob, status?: number) {
  if (!blob.type.toLowerCase().includes('json')) return null
  if (blob.size > maxErrorEnvelopeBytes) return new ApiResponseError('文件接口返回了超出限制的 JSON 响应', 'INVALID_FILE_RESPONSE', status)
  try {
    const payload = JSON.parse(await blob.text()) as Partial<ApiEnvelope<unknown>>
    return new ApiResponseError(payload.code === '200' ? '文件接口未返回文件内容' : payload.message || '文件请求失败', payload.code === '200' ? 'INVALID_FILE_RESPONSE' : payload.code || (status ? `HTTP_${status}` : 'FILE_REQUEST_FAILED'), status, payload.data, payload.requestId, payload.traceId)
  } catch {
    return new ApiResponseError('文件接口返回了无法识别的 JSON 响应', 'INVALID_FILE_RESPONSE', status)
  }
}
async function requestBlob(path: string) {
  try {
    const blob = await http.get<Blob, Blob>(path, { responseType: 'blob' })
    const responseError = await parseBlobError(blob, 200)
    if (responseError) throw responseError
    return blob
  } catch (error) {
    if (axios.isAxiosError(error) && error.response?.data instanceof Blob) {
      const responseError = await parseBlobError(error.response.data, error.response.status)
      if (responseError) throw responseError
    }
    throw error
  }
}
export async function listOceanBookingDocuments(id: string) {
  const response = await http.get<ApiEnvelope<OceanBookingDocument[]>, ApiEnvelope<OceanBookingDocument[]>>(`${basePath}/${encodeURIComponent(id)}/documents`)
  return (unwrapApiResponse(response) || []).map(document)
}
export async function referenceOceanBookingDocument(id: string, expectedVersion: number, fileId: string, documentType: OceanBookingDocumentType) {
  const response = await http.post<ApiEnvelope<OceanBookingDocumentMutation>, ApiEnvelope<OceanBookingDocumentMutation>>(`${basePath}/${encodeURIComponent(id)}/documents`, { expectedVersion, fileId, documentType }, { headers: { 'Idempotency-Key': idempotencyKey() } })
  const result = unwrapApiResponse(response)
  return { document: document(result.document), bookingVersion: Number(result.bookingVersion) }
}
export async function uploadOceanBookingDocument(id: string, expectedVersion: number, documentType: OceanBookingDocumentType, file: File) {
  const form = new FormData()
  form.append('expectedVersion', String(expectedVersion))
  form.append('documentType', documentType)
  form.append('file', file)
  const response = await http.post<ApiEnvelope<OceanBookingDocumentMutation>, ApiEnvelope<OceanBookingDocumentMutation>>(`${basePath}/${encodeURIComponent(id)}/documents/upload`, form, { headers: { 'Content-Type': 'multipart/form-data', 'Idempotency-Key': idempotencyKey() } })
  const result = unwrapApiResponse(response)
  return { document: document(result.document), bookingVersion: Number(result.bookingVersion) }
}
export async function invalidateOceanBookingDocument(id: string, documentId: string, expectedVersion: number) {
  const response = await http.delete<ApiEnvelope<OceanBookingDocumentInvalidation>, ApiEnvelope<OceanBookingDocumentInvalidation>>(`${basePath}/${encodeURIComponent(id)}/documents/${encodeURIComponent(documentId)}`, { data: { expectedVersion }, headers: { 'Idempotency-Key': idempotencyKey() } })
  const result = unwrapApiResponse(response)
  return { documentId: String(result.documentId), bookingVersion: Number(result.bookingVersion) }
}
export async function downloadOceanBookingDocument(id: string, documentId: string) {
  return requestBlob(`${basePath}/${encodeURIComponent(id)}/documents/${encodeURIComponent(documentId)}/download`)
}
export async function listWarehouseLogisticsChannels(warehouseId: string): Promise<OceanLogisticsChannel[]> {
  const response = await http.get<ApiEnvelope<OceanLogisticsChannel[]>, ApiEnvelope<OceanLogisticsChannel[]>>(`${basePath}/channels`, { params: { originWarehouseId: warehouseId } })
  return (unwrapApiResponse(response) || []).map((item) => ({ channelCode: String(item.channelCode), channelName: String(item.channelName) }))
}
export async function listOceanBookingAgents(carrierCode: OceanBookingCarrierCode): Promise<OceanBookingAgentOption[]> {
  const response = await http.get<ApiEnvelope<OceanBookingAgentOption[]>, ApiEnvelope<OceanBookingAgentOption[]>>(`${basePath}/booking-agents`, { params: { carrierCode } })
  return (unwrapApiResponse(response) || []).map((item) => ({ ...item, supplierId: String(item.supplierId), name: String(item.name), carrierCodes: [...(item.carrierCodes || [])] }))
}
export type { OceanBookingResource, OceanBookingStatus }