import { request, uploadDirectFile, uploadFile } from "../utils/request";
import type { AdminSessionInfo } from "../utils/auth";

export interface AdminLoginResponse {
  token: string;
  admin_info: AdminSessionInfo;
}

export interface AdminFileAsset {
  file_id: string;
  file_url: string;
  thumbnail_url: string;
  name?: string;
  file_type?: string;
  mime_type?: string;
}

export interface AdminDirectUploadMeta {
  original_name?: string;
  file_size?: number;
  mime_type?: string;
}

export type AdminUploadScene = "appraisal_evidence" | "zhongjian_report" | "warehouse_inbound_evidence" | "warehouse_return_packing";

export interface AdminDirectUploadPolicy {
  enabled: boolean;
  upload_url?: string;
  form_data?: Record<string, string | number>;
  asset?: AdminFileAsset;
  max_size?: number;
  max_size_text?: string;
  expires_at?: string;
}

export interface AdminExpressCompanyItem {
  id: number;
  company_name: string;
  company_code: string;
  status: string;
  status_text: string;
  is_default: boolean;
  sort_order: number;
  remark: string;
  created_at: string;
  updated_at: string;
}

function filenameFromPath(filePath: string) {
  return filePath.split(/[\\/]/).pop() || `upload-${Date.now()}`;
}

async function uploadManagedAdminFile(
  filePath: string,
  scene: AdminUploadScene,
  fallbackUrl: string,
  meta: AdminDirectUploadMeta = {},
  fallbackFormData: Record<string, string | number> = {},
) {
  const policy = await request<AdminDirectUploadPolicy>("/api/admin/file-upload/direct-policy", {
    method: "POST",
    data: {
      upload_scene: scene,
      original_name: meta.original_name || filenameFromPath(filePath),
      file_size: meta.file_size || 0,
      mime_type: meta.mime_type || "",
    },
  });
  const formData = { ...fallbackFormData, upload_scene: scene };
  if (!policy.enabled) {
    return uploadFile<AdminFileAsset>(fallbackUrl, filePath, formData);
  }
  if (!policy.upload_url || !policy.form_data || !policy.asset) {
    throw new Error("OSS 上传签名无效，请稍后重试");
  }

  await uploadDirectFile(policy.upload_url, filePath, policy.form_data);
  return policy.asset;
}

export interface PaginatedList<T> {
  list: T[];
  total?: number;
  page?: number;
  page_size?: number;
}

export interface AdminOrderListItem {
  id: number;
  order_no: string;
  appraisal_no: string;
  product_name: string;
  category_name: string;
  brand_name: string;
  service_provider: string;
  service_provider_text: string;
  source_channel: string;
  source_channel_text: string;
  source_customer_id: string;
  order_status: string;
  display_status: string;
  internal_tag_no?: string;
  warehouse_bucket?: string;
  warehouse_bucket_text?: string;
  estimated_finish_time: string;
  pay_amount: number;
  created_at: string;
}

export interface AdminManualOrderMaterialItem {
  item_code: string;
  item_name: string;
  is_required: boolean;
  files: AdminFileAsset[];
}

export interface AdminManualOrderCreatePayload {
  service_provider: string;
  product_info: {
    category_id: number;
    brand_id: number;
    brand_name: string;
    product_name: string;
    color: string;
    size_spec: string;
    serial_no: string;
  };
  extra_info: {
    purchase_channel: string;
    purchase_price: number;
    usage_status: string;
    condition_desc: string;
    remark: string;
  };
  return_address: {
    consignee: string;
    mobile: string;
    province: string;
    city: string;
    district: string;
    detail_address: string;
  };
  materials: AdminManualOrderMaterialItem[];
}

export interface AdminManualOrderCreateResponse {
  order_id: number;
  order_no: string;
  appraisal_no: string;
  user_id: number;
  next_status: "pending_shipping";
}

export interface AdminManualOrderMeta {
  categories: Array<{
    id: number;
    name: string;
    code: string;
    supported_service_types: string[];
  }>;
  brands: Array<{
    id: number;
    name: string;
    en_name: string;
    code: string;
    category_ids: number[];
    supported_service_types: string[];
  }>;
}

export interface AdminOrderDetail {
  order_info: AdminOrderListItem & {
    can_mark_received: boolean;
    can_submit_return_logistics: boolean;
    return_logistics_block_reason: string;
  };
  product_info: {
    product_name: string;
    category_name: string;
    brand_name: string;
    color: string;
    size_spec: string;
    serial_no: string;
  };
  extra_info: Record<string, any>;
  shipping_target: null | Record<string, any>;
  return_address: null | {
    consignee: string;
    mobile: string;
    full_address: string;
  };
  logistics_info: null | Record<string, any>;
  inbound_attachments: AdminFileAsset[];
  transfer_flow: null | {
    internal_tag_no: string;
  };
  return_logistics: null | Record<string, any>;
  supplement_task: null | Record<string, any>;
  report_summary: null | {
    id?: number;
    report_no: string;
    report_title: string;
    report_status: string;
    report_status_text?: string;
    publish_time: string;
  };
  timeline: Array<{
    node_text: string;
    node_desc: string;
    occurred_at: string;
  }>;
}

export interface AdminWarehouseWorkbenchContext {
  order_info: {
    id: number;
    order_no: string;
    appraisal_no: string;
    service_provider: string;
    service_provider_text: string;
    source_channel: string;
    source_channel_text: string;
    source_customer_id: string;
    order_status: string;
    display_status: string;
  };
  product_info: {
    product_name: string;
    category_name: string;
    brand_name: string;
    color: string;
    size_spec: string;
    serial_no: string;
  };
  logistics_info: null | {
    express_company: string;
    tracking_no: string;
    tracking_status: string;
  };
  return_address: null | {
    consignee: string;
    mobile: string;
    full_address: string;
  };
  return_logistics: null | {
    express_company: string;
    tracking_no: string;
    tracking_status: string;
  };
  transfer_flow: null | {
    id?: number;
    internal_tag_no: string;
    flow_status?: string;
    current_stage: string;
    current_stage_text: string;
    current_location: string;
    current_location_text: string;
    return_confirmed_at?: string;
    return_shipped_at?: string;
  };
  report_info: null | {
    id: number;
    report_no: string;
    report_status: string;
    publish_time: string;
    zhongjian_report_no: string;
    zhongjian_report_files: AdminFileAsset[];
  };
  flow_logs?: Array<{
    id: number;
    action_text: string;
    operator_name: string;
    remark: string;
    created_at: string;
    inbound_attachments?: AdminFileAsset[];
    packing_attachments?: AdminFileAsset[];
  }>;
  return_verification?: {
    verified: boolean;
    report_id: number;
    report_no: string;
  };
  next_action?: string;
  next_action_text?: string;
}

export interface AdminAppraisalTaskListItem {
  id: number;
  order_id: number;
  order_no: string;
  appraisal_no: string;
  external_order_no: string;
  service_provider: string;
  service_provider_text: string;
  task_stage: string;
  task_stage_text: string;
  status: string;
  status_text: string;
  assignee_id: number;
  product_name: string;
  category_name: string;
  brand_name: string;
  assignee_name: string;
  result_text: string;
  started_at: string;
  submitted_at: string;
  sla_deadline: string;
  is_overtime: boolean;
  display_status: string;
  internal_tag_no?: string;
}

export interface AdminAppraisalTaskDetail {
  task_info: AdminAppraisalTaskListItem & {
    is_overtime: boolean;
  };
  report_summary: null | {
    id: number;
    report_no: string;
    report_status: string;
    report_status_text: string;
  };
  material_tag?: null | Record<string, any>;
  product_info: {
    product_name: string;
    category_id: number;
    category_name: string;
    brand_id: number;
    brand_name: string;
    color: string;
    size_spec: string;
    serial_no: string;
  };
  extra_info: Record<string, any>;
  result_info: {
    result_text: string;
    result_desc: string;
    condition_grade: string;
    condition_desc?: string;
    valuation_min: number;
    valuation_max: number;
    valuation_desc?: string;
    attachments: AdminFileAsset[];
    external_remark: string;
    internal_remark: string;
    key_points: Array<{
      point_code: string;
      point_name: string;
      point_value: string;
      point_remark: string;
    }>;
  };
  prefill_result_info?: null | (AdminAppraisalTaskDetail["result_info"] & {
    source_task_id?: number;
    source_stage?: string;
    source_stage_text?: string;
  });
  appraisal_template: null | {
    id?: number;
    name?: string;
    code?: string;
    service_provider?: string;
    service_provider_text?: string;
    result_options: string[];
    condition_options: string[];
    valuation_hint?: string;
    key_points: Array<{
      point_code: string;
      point_name: string;
      point_type: "text" | "textarea" | "select" | "boolean";
      options: string[];
      sort_order?: number;
      is_required: boolean;
      point_value: string;
      point_remark: string;
    }>;
  };
  stage_tasks?: Array<AdminAppraisalTaskListItem & { is_current?: boolean }>;
  timeline: Array<{
    node_text: string;
    node_desc: string;
    occurred_at: string;
  }>;
  materials: Array<{
    item_name: string;
    status: string;
    source_type: string;
    files: Array<{
      file_id: string;
      file_url: string;
      thumbnail_url: string;
    }>;
  }>;
  supplement_task: null | {
    id: number;
    reason: string;
    deadline: string;
    status: string;
    items: Array<{
      item_name: string;
      guide_text: string;
      is_required: boolean;
    }>;
  };
  zhongjian_report: {
    report_no: string;
    files: AdminFileAsset[];
  };
}

export interface AdminReportListItem {
  id: number;
  order_id: number;
  order_no: string;
  appraisal_no: string;
  report_no: string;
  report_type: string;
  report_type_text: string;
  report_title: string;
  report_status: string;
  report_status_text: string;
  service_provider: string;
  service_provider_text: string;
  institution_name: string;
  publish_time: string;
  zhongjian_report_no: string;
  report_entry_admin_name: string;
  report_entered_at: string;
  product_name: string;
  category_name: string;
  brand_name: string;
}

export interface AdminReportDetail {
  report_header: Partial<AdminReportListItem> & {
    id: number;
    order_id: number;
    report_no: string;
    report_type: string;
    report_type_text: string;
    report_title: string;
    report_status: string;
    report_status_text: string;
    service_provider: string;
    service_provider_text: string;
    institution_name: string;
    publish_time: string;
    zhongjian_report_no: string;
    report_entry_admin_id: number;
    report_entry_admin_name: string;
    report_entered_at: string;
  };
  product_info: Record<string, any>;
  result_info: Record<string, any>;
  appraisal_info: Record<string, any>;
  valuation_info: Record<string, any>;
  evidence_attachments: AdminFileAsset[];
  zhongjian_report_files: AdminFileAsset[];
  risk_notice_text: string;
  verify_info: {
    verify_status: string;
    verify_url: string;
    verify_qrcode_url: string;
    report_page_url: string;
    verify_count: number;
  };
}

export const adminApi = {
  login(mobile: string, password: string) {
    return request<AdminLoginResponse>("/api/admin/auth/login", {
      method: "POST",
      data: { mobile, password },
    });
  },
  getAuthMe() {
    return request<{ admin_info: AdminSessionInfo }>("/api/admin/auth/me");
  },
  logout() {
    return request<Record<string, never>>("/api/admin/auth/logout", { method: "POST" });
  },
  getOrders(params?: Record<string, string | number>) {
    return request<PaginatedList<AdminOrderListItem>>("/api/admin/orders", { params });
  },
  getOrderDetail(id: number) {
    return request<AdminOrderDetail>("/api/admin/order/detail", { params: { id } });
  },
  getManualOrderMeta() {
    return request<AdminManualOrderMeta>("/api/admin/manual-order/meta");
  },
  getExpressCompanies(params: { enabled_only?: 0 | 1 } = { enabled_only: 1 }) {
    return request<{ list: AdminExpressCompanyItem[]; default_company: string }>("/api/admin/express-companies", { params });
  },
  createManualOrder(data: AdminManualOrderCreatePayload) {
    return request<AdminManualOrderCreateResponse>("/api/admin/manual-order/create", {
      method: "POST",
      data: data as unknown as Record<string, unknown>,
    });
  },
  uploadManualOrderFile(filePath: string) {
    return uploadFile<AdminFileAsset>("/api/admin/manual-order/file/upload", filePath);
  },
  lookupWarehouseInbound(inboundNo: string) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/inbound/lookup", {
      params: { inbound_no: inboundNo },
    });
  },
  receiveWarehouseInbound(data: { inbound_no: string; internal_tag_no: string; inbound_attachments?: AdminFileAsset[] }) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/inbound/receive", {
      method: "POST",
      data,
    });
  },
  uploadWarehouseInboundEvidenceFile(filePath: string, meta: AdminDirectUploadMeta = {}) {
    return uploadManagedAdminFile(
      filePath,
      "warehouse_inbound_evidence",
      "/api/admin/warehouse-workbench/inbound/evidence/upload",
      meta,
    );
  },
  lookupZhongjianWarehouseTransfer(internalTagNo: string) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/zhongjian/lookup", {
      params: { internal_tag_no: internalTagNo },
    });
  },
  zhongjianWarehouseOutbound(internalTagNo: string) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/zhongjian/outbound", {
      method: "POST",
      data: { internal_tag_no: internalTagNo },
    });
  },
  zhongjianWarehouseInbound(internalTagNo: string) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/zhongjian/inbound", {
      method: "POST",
      data: { internal_tag_no: internalTagNo },
    });
  },
  lookupWarehouseReturn(internalTagNo: string) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/return/lookup", {
      params: { internal_tag_no: internalTagNo },
    });
  },
  verifyWarehouseReturnMaterialTag(data: { internal_tag_no: string; qr_input: string }) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/return/material-tag/verify", {
      method: "POST",
      data,
    });
  },
  confirmWarehouseReturnReport(data: { internal_tag_no: string; report_id: number }) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/return/report/confirm", {
      method: "POST",
      data,
    });
  },
  confirmWarehouseReturnZhongjian(internalTagNo: string) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/return/zhongjian/confirm", {
      method: "POST",
      data: { internal_tag_no: internalTagNo },
    });
  },
  uploadWarehouseReturnPackingFile(filePath: string, meta: AdminDirectUploadMeta = {}) {
    return uploadManagedAdminFile(
      filePath,
      "warehouse_return_packing",
      "/api/admin/warehouse-workbench/return/packing/upload",
      meta,
    );
  },
  shipWarehouseReturn(data: { internal_tag_no: string; express_company: string; tracking_no: string; packing_attachments?: AdminFileAsset[] }) {
    return request<AdminWarehouseWorkbenchContext>("/api/admin/warehouse-workbench/return/ship", {
      method: "POST",
      data,
    });
  },
  getAppraisalTasks(params?: Record<string, string | number>) {
    return request<PaginatedList<AdminAppraisalTaskListItem>>("/api/admin/appraisal-tasks", { params });
  },
  getAppraisalTaskDetail(id: number) {
    return request<AdminAppraisalTaskDetail>("/api/admin/appraisal-task/detail", { params: { id } });
  },
  scanAppraisalTransferTag(internalTagNo: string) {
    return request<{ task_id: number; order_id: number; service_provider: string; service_provider_text: string }>(
      "/api/admin/appraisal-task/transfer-tag/scan",
      { method: "POST", data: { internal_tag_no: internalTagNo } },
    );
  },
  saveAppraisalTaskResult(data: Record<string, unknown>) {
    return request<{ id: number }>("/api/admin/appraisal-task/save-result", { method: "POST", data });
  },
  requestAppraisalTaskSupplement(data: Record<string, unknown>) {
    return request<{ id: number; supplement_task_id: number }>("/api/admin/appraisal-task/request-supplement", {
      method: "POST",
      data,
    });
  },
  saveZhongjianAppraisalReport(data: Record<string, unknown>) {
    return request<{ id: number; report: Record<string, any> }>("/api/admin/appraisal-task/zhongjian-report/save", {
      method: "POST",
      data,
    });
  },
  publishAppraisalTaskWithMaterialTag(data: { id: number; qr_input: string }) {
    return request<Record<string, any>>("/api/admin/appraisal-task/material-tag/publish", {
      method: "POST",
      data,
    });
  },
  uploadAppraisalEvidenceFile(
    filePath: string,
    taskId?: number,
    meta: AdminDirectUploadMeta = {},
    scene: AdminUploadScene = "appraisal_evidence",
  ) {
    const formData: Record<string, string | number> = taskId ? { task_id: taskId } : {};
    return uploadManagedAdminFile(filePath, scene, "/api/admin/appraisal-task/evidence/upload", meta, formData);
  },
  deleteAppraisalEvidenceFile(fileUrl: string, taskId?: number) {
    return request<{ file_url: string }>("/api/admin/appraisal-task/evidence/delete", {
      method: "POST",
      data: { file_url: fileUrl, ...(taskId ? { task_id: taskId } : {}) },
    });
  },
  getReports(params?: Record<string, string | number>) {
    return request<PaginatedList<AdminReportListItem>>("/api/admin/reports", { params });
  },
  getReportDetail(id: number) {
    return request<AdminReportDetail>("/api/admin/report/detail", { params: { id } });
  },
};