/**
 * 管理层创建物流任务页面
 * 职责：选择待发厂的订单，填写信息创建配送任务。
 */

Page({
  data: {
    statusBarHeight: 20,
    loading: true,
    saving: false,
    message: "",
    orderRows: [],
    selectedOrderId: null,
    selectedOrderNo: "",
    driverId: "",
    pickupAddress: "",
    deliveryAddress: "",
    pickupContent: "",
    quantity: "",
    factoryId: "",
    remark: "",
  },

  onShow: function () {
    var app = getApp();
    this.setData({ statusBarHeight: app.globalData.statusBarHeight || 20 });
    this.loadOrders();
  },

  loadOrders: function () {
    var that = this;
    var app = getApp();
    that.setData({ loading: true, message: "" });
    app.request({ url: "/api/orders?order_status=pending_factory&page_no=1&page_size=50", method: "GET" }).then(function (data) {
      var rows = (data.list || []).map(function (item) {
        return {
          orderId: item.order_id, orderNo: item.order_no,
          customerName: item.customer_name,
          statusText: app.mapOrderStatus(item.order_status),
          orderStatus: item.order_status,
        };
      });
      that.setData({ orderRows: rows });
    }).catch(function (error) {
      that.setData({ message: error.message || "加载待分配订单失败" });
    }).finally(function () {
      that.setData({ loading: false });
    });
  },

  handleChooseOrder: function (event) {
    var id = event.currentTarget.dataset.id;
    var no = event.currentTarget.dataset.no;
    var customer = event.currentTarget.dataset.customer;
    this.setData({
      selectedOrderId: id, selectedOrderNo: no,
      pickupAddress: "工厂A", deliveryAddress: customer + " 收货地址",
      pickupContent: customer + " 订单货物", quantity: "1",
      message: "已选择订单 " + no,
    });
  },

  handleInput: function (event) {
    var field = event.currentTarget.dataset.field;
    var obj = {};
    obj[field] = event.detail.value;
    this.setData(obj);
  },

  handleSave: function () {
    var that = this;
    if (!this.data.selectedOrderId) {
      this.setData({ message: "请先选择一笔订单" });
      return;
    }
    var app = getApp();
    that.setData({ saving: true, message: "" });
    app.request({
      url: "/api/logistics/tasks",
      method: "POST",
      data: {
        order_id: that.data.selectedOrderId,
        driver_id: Number(that.data.driverId),
        pickup_address: that.data.pickupAddress,
        delivery_address: that.data.deliveryAddress,
        pickup_content: that.data.pickupContent,
        quantity: Number(that.data.quantity),
        factory_id: Number(that.data.factoryId),
        remark: that.data.remark,
      },
    }).then(function (data) {
      that.setData({ message: "任务 " + data.task_no + " 创建成功", selectedOrderId: null, selectedOrderNo: "" });
      that.loadOrders();
      wx.navigateTo({ url: "/pages/driver/task-detail/task-detail?id=" + data.task_id });
    }).catch(function (error) {
      that.setData({ message: error.message || "创建失败" });
    }).finally(function () {
      that.setData({ saving: false });
    });
  },

  handleBack: function () { wx.navigateBack({ delta: 1 }); },
});