// components/manual-add-sheet — 手动补记弹层（docs/05 R7）
// 用法：父页放 <manual-add-sheet id="addSheet" dogs="{{dogs}}" bind:saved="onSaved"/>
//      this.selectComponent('#addSheet').open()
const { call } = require('../../utils/cloud.js');

function pad(n) { return String(n).padStart(2, '0'); }

Component({
  properties: {
    dogs: { type: Array, value: [] },
  },
  data: {
    show: false,
    dogId: '',
    date: '',
    time: '18:00',
    durationMin: '',
    distance: '',
    submitting: false,
  },
  methods: {
    open() {
      const dogs = this.data.dogs;
      const t = new Date();
      const date = `${t.getFullYear()}-${pad(t.getMonth() + 1)}-${pad(t.getDate())}`;
      this.setData({
        show: true,
        dogId: dogs[0] ? dogs[0]._id : '',
        date, time: '18:00', durationMin: '', distance: '',
      });
    },
    close() { this.setData({ show: false }); },
    noop() {},
    pickDog(e) { this.setData({ dogId: e.currentTarget.dataset.id }); },
    onDate(e) { this.setData({ date: e.detail.value }); },
    onTime(e) { this.setData({ time: e.detail.value }); },
    onDuration(e) { this.setData({ durationMin: e.detail.value }); },
    onDistance(e) { this.setData({ distance: e.detail.value }); },

    async save() {
      const { dogId, date, time, durationMin, distance, submitting } = this.data;
      if (submitting) return;
      if (!dogId) return wx.showToast({ title: '选择狗狗', icon: 'none' });
      if (!durationMin || Number(durationMin) <= 0) return wx.showToast({ title: '填写时长', icon: 'none' });

      const startAt = new Date(`${date}T${time || '00:00'}:00`).getTime();
      this.setData({ submitting: true });
      const res = await call('walkManual', {
        dogId,
        startAt,
        duration: Math.round(Number(durationMin) * 60),
        distance: distance ? Number(distance) : null,
      }, { loading: true, loadingText: '保存中' });
      this.setData({ submitting: false });
      if (!res.ok) return;

      this.setData({ show: false });
      wx.showToast({ title: '补记成功', icon: 'success' });
      this.triggerEvent('saved');
    },
  },
});