function mapTaskStatus(status) {
  const statusMap = {
    pending: "待接单",
    accepted: "已接单",
    picked_up: "已揽货",
    delivered: "已送达",
    canceled: "已取消",
  };
  return statusMap[status] || status || "-";
}

Page({
  data: {
    loading: true,
    message: "",
    actionLoading: false,
    taskId: null,
    taskInfo: null,
    actionRemark: "",
    traceList: [],
  },

  async onLoad(options) {
    this.setData({
      taskId: Number(options.id || 0),
    });
    await this.loadDetail();
  },

  async loadDetail() {
    const app = getApp();
    this.setData({ loading: true, message: "" });
    try {
      const data = await app.request({
        url: `/api/driver/tasks/${this.data.taskId}`,
        method: "GET",
      });
      this.setData({
        taskInfo: {
          ...data,
          statusText: mapTaskStatus(data.status),
        },
      });
      if (data.order_id) {
        const traceData = await app.request({
          url: `/api/logistics/${data.order_id}/trace`,
          method: "GET",
        });
        this.setData({
          traceList: traceData.trace_list || [],
        });
      }
    } catch (error) {
      this.setData({
        message: error.message || "加载任务详情失败",
      });
    } finally {
      this.setData({ loading: false });
    }
  },

  handleRemarkInput(event) {
    this.setData({
      actionRemark: event.detail.value,
    });
  },

  getActionConfig() {
    const status = this.data.taskInfo?.status;
    if (status === "pending") {
      return {
        text: "接单",
        url: `/api/driver/tasks/${this.data.taskId}/accept`,
        successMessage: "接单成功",
      };
    }
    if (status === "accepted") {
      return {
        text: "确认揽货",
        url: `/api/driver/tasks/${this.data.taskId}/pickup`,
        successMessage: "已确认揽货",
      };
    }
    if (status === "picked_up") {
      return {
        text: "确认送达",
        url: `/api/driver/tasks/${this.data.taskId}/deliver`,
        successMessage: "已确认送达",
      };
    }
    return null;
  },

  async handleAction() {
    const action = this.getActionConfig();
    if (!action) {
      return;
    }

    const app = getApp();
    this.setData({ actionLoading: true, message: "" });
    try {
      await app.request({
        url: action.url,
        method: "POST",
        data: {
          photo_files: this.data.taskInfo?.status === "accepted" || this.data.taskInfo?.status === "picked_up"
            ? [
                {
                  file_url: "https://oss.example.com/demo-photo.jpg",
                  file_name: "demo-photo.jpg",
                },
              ]
            : [],
          video_files: [],
          remark: this.data.actionRemark || action.successMessage,
        },
      });
      await this.loadDetail();
      this.setData({
        message: action.successMessage,
        actionRemark: "",
      });
    } catch (error) {
      this.setData({
        message: error.message || "任务操作失败",
      });
    } finally {
      this.setData({ actionLoading: false });
    }
  },
});