const completion = require("../../utils/task-completion");
const { secure, toast } = require("../../utils/api");
const { localDate, shiftDate } = require("../../utils/date");
Page({
  data: {
    pets: [],
    tasks: [],
    taskBusyIds: [],
    completingAll: false,
    undoneCount: 0,
    date: localDate(),
    showForm: false,
    editingId: "",
    saving: false,
    title: "",
    petIndex: 0,
    category: "food",
    time_of_day: "08:30",
    repeat_rule: "daily",
    done: 0,
  },
  onShow() {
    this.load();
  },
  async load() {
    const date = this.data.date;
    try {
      const [pets, result] = await Promise.all([
        secure("/pets"),
        secure("/tasks?date=" + date),
      ]);
      if (date !== this.data.date) return;
      const tasks = result.items.map((t) => ({
        ...t,
        petName: (pets.find((p) => p.id === t.pet_id) || {}).name || "宠物",
      }));
      this.setData({
        pets,
        tasks,
        undoneCount: tasks.filter((t) => !t.completed).length,
        done: tasks.filter((t) => t.completed).length,
      });
    } catch (e) {
      toast(e);
    }
  },
  toggle(e) {
    return completion.complete(
      this,
      this.data.tasks[e.currentTarget.dataset.index],
    );
  },
  completeAll() {
    return completion.completeAll(this);
  },
  open() {
    if (!this.data.pets.length) {
      wx.showToast({ title: "请先添加宠物", icon: "none" });
      return;
    }
    this.setData({
      showForm: true,
      editingId: "",
      title: "",
      petIndex: 0,
      category: "food",
      time_of_day: "08:30",
      repeat_rule: "daily",
    });
  },
  close() {
    this.setData({ showForm: false });
  },
  edit(e) {
    const task = this.data.tasks[e.currentTarget.dataset.index];
    const petIndex = this.data.pets.findIndex((pet) => pet.id === task.pet_id);
    this.setData({
      showForm: true,
      editingId: task.id,
      title: task.title,
      petIndex: Math.max(petIndex, 0),
      category: task.category,
      time_of_day: task.time_of_day,
      repeat_rule: task.repeat_rule,
    });
  },
  changeDay(e) {
    if (this.data.completingAll || this.data.taskBusyIds.length) return;
    this.setData({
      date: shiftDate(this.data.date, Number(e.currentTarget.dataset.days)),
    });
    this.load();
  },
  showToday() {
    if (this.data.completingAll || this.data.taskBusyIds.length) return;
    const today = localDate();
    if (this.data.date === today) return;
    this.setData({ date: today });
    this.load();
  },
  field(e) {
    this.setData({ [e.currentTarget.dataset.key]: e.detail.value });
  },
  petChange(e) {
    this.setData({ petIndex: Number(e.detail.value) });
  },
  timeChange(e) {
    this.setData({ time_of_day: e.detail.value });
  },
  categoryChange(e) {
    this.setData({ category: e.detail.value });
  },
  repeatChange(e) {
    this.setData({ repeat_rule: e.detail.value });
  },
  async save() {
    if (this.data.saving) return;
    if (!this.data.pets.length || !this.data.title.trim()) {
      wx.showToast({ title: "请选择宠物并填写任务名", icon: "none" });
      return;
    }
    this.setData({ saving: true });
    try {
      await secure(
        this.data.editingId ? "/tasks/" + this.data.editingId : "/tasks",
        this.data.editingId ? "PUT" : "POST",
        {
          pet_id: this.data.pets[this.data.petIndex].id,
          title: this.data.title.trim(),
          category: this.data.category,
          time_of_day: this.data.time_of_day,
          repeat_rule: this.data.repeat_rule,
        },
      );
      this.setData({ showForm: false, editingId: "" });
      await this.load();
    } catch (e) {
      toast(e);
    } finally {
      this.setData({ saving: false });
    }
  },
  async remove(e) {
    const t = this.data.tasks[e.currentTarget.dataset.index];
    const result = await wx.showModal({
      title: "删除任务",
      content: "确定删除「" + t.title + "」吗？",
    });
    if (!result.confirm) return;
    try {
      await secure("/tasks/" + t.id, "DELETE");
      this.load();
    } catch (err) {
      toast(err);
    }
  },
});