const store = require('../../utils/store.js');
const api = require('../../utils/api.js');
const upload = require('../../utils/upload.js');

function fmtDate(iso) {
  if (!iso) return '';
  const d = new Date(iso);
  return d.getMonth() + 1 + '月' + d.getDate() + '日';
}

// n 天后的 YYYY-MM-DD，给提醒类弹层做默认日期
function daysLater(n) {
  const d = new Date(Date.now() + n * 86400000);
  const p = (x) => (x < 10 ? '0' + x : '' + x);
  return d.getFullYear() + '-' + p(d.getMonth() + 1) + '-' + p(d.getDate());
}

// 相对时间。社区里关心的是「多久以前发的」，精确到秒没意义
function fmtAgo(iso) {
  if (!iso) return '';
  const d = new Date(iso);
  if (isNaN(d.getTime())) return '';
  const min = Math.floor((Date.now() - d.getTime()) / 60000);
  if (min < 1) return '刚刚';
  if (min < 60) return min + ' 分钟前';
  if (min < 60 * 24) return Math.floor(min / 60) + ' 小时前';
  if (min < 60 * 24 * 7) return Math.floor(min / 1440) + ' 天前';
  const p = (n) => (n < 10 ? '0' + n : '' + n);
  const sameYear = d.getFullYear() === new Date().getFullYear();
  return (sameYear ? '' : d.getFullYear() + '-') + p(d.getMonth() + 1) + '-' + p(d.getDate());
}

function ageFromBirthday(bday) {
  if (!bday) return '';
  const b = new Date(bday);
  const now = new Date();
  let months = (now.getFullYear() - b.getFullYear()) * 12 + (now.getMonth() - b.getMonth());
  if (months < 0) months = 0;
  return months < 24 ? months + '个月' : Math.floor(months / 12) + '岁';
}

const GENDERS = ['男孩', '女孩', '不确定'];
const STAGES = ['刚到家 0-30 天', '幼年期', '成年期', '老年期'];

// 任务可关联的记录弹层类型
const TASK_SHEETS = [
  { key: '', label: '不关联' },
  { key: 'weight', label: '体重' },
  { key: 'poop', label: '便便' },
  { key: 'food', label: '饮食' },
  { key: 'symptom', label: '异常' },
  { key: 'vaccine', label: '疫苗' },
  { key: 'medicine', label: '用药' },
];
const TASK_SHEET_LABELS = TASK_SHEETS.map((s) => s.label);

// 提醒类型（与后端 model.Reminder* 常量对应）
const REMINDER_TYPES = [
  { key: 'vaccine', label: '疫苗' },
  { key: 'deworm', label: '驱虫' },
  { key: 'weight', label: '体重' },
  { key: 'monthlyReport', label: '月度报告' },
];
const REMINDER_LABELS = REMINDER_TYPES.map((t) => t.label);

const POOP = ['正常', '软便', '拉稀'];
const FOOD = ['正常', '偏少', '不吃'];
const COST = ['食品', '医疗', '用品'];
const IDENTITY = ['petName', 'anonymous', 'official'];
const PTAG = ['晒宠', '求助', '经验', '避坑'];

Component({
  options: { addGlobalClass: true },
  properties: {
    show: { type: Boolean, value: false },
    type: { type: String, value: '' },
    // 雪花 ID 是 18 位字符串，声明成 Number 会超出 JS 安全整数范围而丢精度
    postId: { type: String, value: '' },
  },
  data: {
    innerType: '',
    pet: {},
    segSel: {},
    optSel: {},
    dateVals: { vaccine: '', deworm: '' },
    wInput: '',
    wNote: '',
    poopNote: '',
    foodText: '',
    medName: '',
    medDose: '',
    costNote: '',
    costAmount: '',
    postContent: '',
    postImages: [],
    manageTasks: [],
    taskForm: { id: '', title: '', description: '', priority: '', sheetIdx: 0 },
    taskSheetLabels: TASK_SHEET_LABELS,
    remForm: { id: '', typeIdx: 0, title: '', date: '', freq: '' },
    remTypeLabels: REMINDER_LABELS,
    myPets: [],
    exportText: '',
    fbContent: '',
    fbContact: '',
    fbDone: false,
    addName: '',
    addBirthday: '',
    addWeight: '',
    addColor: '',
    addBreed: '',
    commentText: '',
    riskData: null,
    comments: [],
    reminders: [],
    poster: null,
    reportDetail: null,
    proInfo: null,
    saving: false,
    posterSaving: false,
    centered: false,
    commentImages: [],
  },
  observers: {
    show: function (show) {
      // 自定义 tabBar 会盖住弹层底部按钮；打开弹层时把它藏起来，关闭时恢复
      // 用 getTabBar().hidden 开关，不用 wx.showTabBar（真机上会额外冒出原生 tabBar）
      this.toggleTabBar(!!show);
    },
    'show, type': function (show, type) {
      if (show && type) this.setType(type, true);
    },
  },
  lifetimes: {
    detached() {
      this.toggleTabBar(false);
    },
  },
  methods: {
    setType(type, fresh) {
      const pet = store.getPet();
      // 评论以输入为主，贴底弹层会被键盘顶掉大半屏，改成居中
      const patch = { innerType: type, pet, centered: type === 'comments' };
      if (fresh) {
        patch.segSel = {};
        patch.optSel = {};
        patch.costAmount = '';
        patch.postContent = '';
        patch.postImages = [];
        patch.poopNote = '';
        patch.foodText = '';
        patch.medName = '';
        patch.medDose = '';
        patch.costNote = '';
        patch.manageTasks = [];
        patch.taskForm = { id: '', title: '', description: '', priority: '', sheetIdx: 0 };
        patch.remForm = { id: '', typeIdx: 0, title: '', date: '', freq: '' };
        patch.exportText = '';
        patch.fbContent = '';
        patch.fbContact = '';
        patch.fbDone = false;
        patch.addName = '';
        patch.addBirthday = '';
        patch.addWeight = '';
        patch.addColor = '';
        patch.addBreed = '';
        patch.commentText = '';
        patch.commentImages = [];
        patch.riskData = null;
        patch.saving = false;
      }
      if (type === 'weight') {
        patch.wInput = (pet.weight || '').replace('kg', '');
        patch.wNote = '';
      }
      // 提醒日期给个合理的默认值。原本写死成固定日期，时间一过就成了「提醒昨天」
      if (type === 'vaccine') patch.dateVals = { ...this.data.dateVals, vaccine: daysLater(30) };
      if (type === 'deworm') patch.dateVals = { ...this.data.dateVals, deworm: daysLater(90) };
      if (type === 'editPet') {
        // 预填当前宠物档案
        patch.addName = pet.name || '';
        patch.addColor = pet.color || '';
        patch.addBreed = pet.breed || '';
        patch.addWeight = (pet.weight || '').replace('kg', '');
        patch.addBirthday = pet.birthday ? String(pet.birthday).slice(0, 10) : '';
        patch.segSel = {
          addType: pet.type === '狗狗' ? 1 : 0,
          addGender: Math.max(0, GENDERS.indexOf(pet.gender)),
        };
        patch.optSel = { addStage: Math.max(0, STAGES.indexOf(pet.stage)) };
      }
      this.setData(patch);
      this.loadSheetData(type);
    },

    // 按弹层类型拉取真实数据
    loadSheetData(type) {
      const id = store.currentPetId();
      if (type === 'manageTasks') {
        this.loadManageTasks();
      } else if (type === 'managePets') {
        this.loadMyPets();
      } else if (type === 'exportData') {
        this.buildExport();
      } else if (type === 'comments' && this.data.postId) {
        this.loadComments();
      } else if (type === 'reminders' && id) {
        this.loadReminders();
      } else if (type === 'poster' && id) {
        api.getPoster(id).then((p) => this.setData({ poster: p })).catch(() => {});
      } else if (type === 'reportDetail' && id) {
        api.weeklyReport(id).then((r) => this.setData({ reportDetail: r })).catch(() => {});
      } else if (type === 'pro') {
        api.getPro().then((p) => this.setData({ proInfo: p })).catch(() => {});
      }
    },

    onActivatePro() {
      api
        .activatePro()
        .then((p) => {
          this.setData({ proInfo: p });
          wx.showToast({ title: '已开通 Pro', icon: 'success' });
          setTimeout(() => this.close(), 800);
        })
        .catch((e) => wx.showToast({ title: e.message || '开通失败', icon: 'none' }));
    },
    goSheet(e) {
      this.setType(e.currentTarget.dataset.type, true);
    },
    close() {
      this.triggerEvent('close');
    },
    onMaskTap() {
      this.close();
    },
    noop() {},
    // 藏/显当前 tab 页的自定义 tabBar（非 tab 页无 getTabBar，安全跳过）
    toggleTabBar(hidden) {
      const pages = getCurrentPages();
      const page = pages[pages.length - 1];
      if (page && typeof page.getTabBar === 'function' && page.getTabBar()) {
        page.getTabBar().setData({ hidden });
      }
    },
    // ---- 成长海报：画进 canvas 才能存进相册 ----

    onSavePoster() {
      if (this.data.posterSaving) return;
      this.setData({ posterSaving: true });
      this.drawPoster()
        .then((tempPath) => this.saveToAlbum(tempPath))
        .then(() => wx.showToast({ title: '已保存到相册', icon: 'success' }))
        .catch((e) => {
          if (e && e.canceled) return;
          wx.showToast({ title: (e && e.message) || '保存失败', icon: 'none' });
        })
        .then(() => this.setData({ posterSaving: false }));
    },

    // 把海报画到离屏 canvas 上，返回临时图片路径
    drawPoster() {
      const W = 600;
      const H = 840;
      return new Promise((resolve, reject) => {
        wx.createSelectorQuery()
          .in(this)
          .select('#posterCanvas')
          .fields({ node: true, size: true })
          .exec((res) => {
            const node = res && res[0] && res[0].node;
            if (!node) return reject(new Error('画布还没准备好，稍后再试'));

            // 按设备像素比放大，否则在高分屏上导出的图是糊的
            let dpr = 2;
            try {
              dpr = (wx.getWindowInfo ? wx.getWindowInfo() : wx.getSystemInfoSync()).pixelRatio || 2;
            } catch (err) {
              dpr = 2;
            }
            node.width = W * dpr;
            node.height = H * dpr;
            const ctx = node.getContext('2d');
            ctx.scale(dpr, dpr);

            const pet = this.data.pet || {};
            const p = this.data.poster || {};

            const bg = ctx.createLinearGradient(0, 0, W, H);
            bg.addColorStop(0, '#FFF7E8');
            bg.addColorStop(1, '#FFFFFF');
            ctx.fillStyle = bg;
            ctx.fillRect(0, 0, W, H);
            ctx.fillStyle = '#F2DFC3';
            ctx.fillRect(0, 0, W, 8);

            ctx.textAlign = 'center';
            ctx.fillStyle = '#2D2925';
            ctx.font = '600 40px sans-serif';
            ctx.fillText((pet.name || '毛孩子') + ' 的成长报告', W / 2, 96);

            ctx.font = '96px sans-serif';
            ctx.fillText(pet.emoji || '🐾', W / 2, 216);

            ctx.fillStyle = '#8D8277';
            ctx.font = '24px sans-serif';
            ctx.fillText([pet.age, pet.weight, pet.stage].filter(Boolean).join('  |  '), W / 2, 268);

            ctx.fillStyle = 'rgba(255,255,255,.8)';
            this.roundRect(ctx, 60, 310, W - 120, 232, 24);
            ctx.fill();
            const lines = [
              '完成任务 ' + (p.tasks_completed || 0) + ' 项',
              '体重记录 ' + (p.weight_records || 0) + ' 次',
              '疫苗记录 ' + (p.vaccine_records || 0) + ' 次',
              '高风险异常 ' + (p.high_risk_count || 0) + ' 次',
            ];
            ctx.textAlign = 'left';
            ctx.font = '28px sans-serif';
            lines.forEach((t, i) => {
              const y = 360 + i * 52;
              ctx.fillStyle = '#73BE9D';
              ctx.fillText('✓', 92, y);
              ctx.fillStyle = '#443D37';
              ctx.fillText(t, 132, y);
            });

            ctx.textAlign = 'center';
            ctx.fillStyle = '#2D2925';
            ctx.font = '600 30px sans-serif';
            ctx.fillText('健康状态：' + (p.headline || '稳定成长'), W / 2, 620);

            ctx.fillStyle = '#B5A99D';
            ctx.font = '22px sans-serif';
            ctx.fillText('生成自 · 肉垫计划', W / 2, 780);

            // canvas 2d 是同步绘制，画完直接导出
            wx.canvasToTempFilePath(
              {
                canvas: node,
                fileType: 'png',
                success: (r) => resolve(r.tempFilePath),
                fail: () => reject(new Error('生成图片失败')),
              },
              this,
            );
          });
      });
    },

    roundRect(ctx, x, y, w, h, r) {
      ctx.beginPath();
      ctx.moveTo(x + r, y);
      ctx.arcTo(x + w, y, x + w, y + h, r);
      ctx.arcTo(x + w, y + h, x, y + h, r);
      ctx.arcTo(x, y + h, x, y, r);
      ctx.arcTo(x, y, x + w, y, r);
      ctx.closePath();
    },

    // 存相册要相册写权限。用户拒过一次之后 wx.authorize 不会再弹，
    // 必须引导他去设置页打开，否则这里会永远静默失败。
    saveToAlbum(filePath) {
      return new Promise((resolve, reject) => {
        wx.saveImageToPhotosAlbum({
          filePath,
          success: resolve,
          fail: (err) => {
            const msg = (err && err.errMsg) || '';
            if (msg.indexOf('cancel') >= 0) return reject({ canceled: true });
            if (msg.indexOf('auth deny') >= 0 || msg.indexOf('authorize') >= 0) {
              wx.showModal({
                title: '需要相册权限',
                content: '保存卡片需要允许访问相册，去设置里打开一下？',
                confirmText: '去设置',
                success: (r) => {
                  if (r.confirm) wx.openSetting({});
                },
              });
              return reject({ canceled: true });
            }
            reject(new Error('保存失败'));
          },
        });
      });
    },

    onSeg(e) {
      const { group, index } = e.currentTarget.dataset;
      const segSel = Object.assign({}, this.data.segSel, { [group]: Number(index) });
      this.setData({ segSel });
    },
    onOpt(e) {
      const { group, index } = e.currentTarget.dataset;
      const optSel = Object.assign({}, this.data.optSel, { [group]: Number(index) });
      this.setData({ optSel });
    },
    onDate(e) {
      this.setData({ [`dateVals.${e.currentTarget.dataset.key}`]: e.detail.value });
    },
    onWInput(e) { this.setData({ wInput: e.detail.value }); },
    onWNote(e) { this.setData({ wNote: e.detail.value }); },
    onPoopNote(e) { this.setData({ poopNote: e.detail.value }); },
    onFoodText(e) { this.setData({ foodText: e.detail.value }); },
    onMedName(e) { this.setData({ medName: e.detail.value }); },
    onMedDose(e) { this.setData({ medDose: e.detail.value }); },
    onCostNote(e) { this.setData({ costNote: e.detail.value }); },
    onCostInput(e) { this.setData({ costAmount: e.detail.value }); },
    onPostInput(e) { this.setData({ postContent: e.detail.value }); },
    loadComments() {
      if (!this.data.postId) return;
      api.listComments(this.data.postId)
        .then((page) =>
          this.setData({
            comments: (page.list || []).map((c) => ({
              ...c,
              timeText: fmtAgo(c.created_at),
              // 没有头像字段，用昵称首字做个色块，比一律显示同一个 emoji 强
              initial: (c.author_name || '?').slice(0, 1),
            })),
          }),
        )
        .catch(() => {});
    },
    // 长按删除自己的评论
    onDeleteComment(e) {
      const c = this.data.comments[e.currentTarget.dataset.index];
      if (!c || !c.is_self) return;
      wx.showModal({
        title: '删除评论',
        content: '确定删除这条评论？',
        confirmColor: '#D9534F',
        success: (res) => {
          if (!res.confirm) return;
          api.deleteComment(c.id)
            .then(() => { this.loadComments(); this.triggerEvent('commented'); })
            .catch((err) => wx.showToast({ title: err.message || '删除失败', icon: 'none' }));
        },
      });
    },
    // ---- 多宠物管理 ----
    loadMyPets() {
      const cur = store.currentPetId();
      this.setData({
        myPets: (store.getPets() || []).map((p) => ({
          id: p.id, name: p.name, emoji: p.emoji,
          meta: [p.type, p.stage, p.weight].filter(Boolean).join(' · '),
          current: p.id === cur,
        })),
      });
    },
    onSwitchPet(e) {
      const id = e.currentTarget.dataset.id;
      store.switchPet(id);
      this.loadMyPets();
      wx.showToast({ title: '已切换', icon: 'success' });
      setTimeout(() => this.close(), 500);
    },
    onEditPetFromList(e) {
      store.switchPet(e.currentTarget.dataset.id);
      this.setType('editPet', true);
    },

    // ---- 导出健康档案 ----
    buildExport() {
      const id = store.currentPetId();
      const pet = store.getPet() || {};
      if (!id) {
        this.setData({ exportText: '还没有建档，先添加一只毛孩子吧。' });
        return;
      }
      Promise.all([
        api.getRecords(id, { page: 1, pageSize: 50 }).catch(() => ({ list: [], total: 0 })),
        api.getReminders(id).catch(() => []),
      ]).then(([recPage, rems]) => {
        const lines = [];
        lines.push('【肉垫计划 · 健康档案】');
        lines.push(`宠物：${pet.name || ''}（${pet.type || ''}｜${pet.gender || ''}）`);
        lines.push(`阶段：${pet.stage || '-'}　年龄：${pet.age || '-'}　体重：${pet.weight || '-'}`);
        if (pet.breed || pet.color) lines.push(`品种/毛色：${pet.breed || '-'} / ${pet.color || '-'}`);
        lines.push('');
        lines.push(`— 健康记录（共 ${recPage.total || 0} 条，导出最近 ${(recPage.list || []).length} 条）—`);
        (recPage.list || []).forEach((r) => {
          lines.push(`· ${fmtDate(r.occurred_at)} ${r.title}${r.description ? '｜' + r.description : ''}`);
        });
        lines.push('');
        lines.push('— 提醒 —');
        (rems || []).forEach((r) => {
          lines.push(`· ${r.title}：${r.next_due_date ? fmtDate(r.next_due_date) : r.frequency || '未设置'}`);
        });
        lines.push('');
        lines.push('（本档案仅供日常照护与就医参考，不构成诊断意见）');
        this.setData({ exportText: lines.join('\n') });
      });
    },
    onCopyExport() {
      const t = this.data.exportText;
      if (!t) return;
      wx.setClipboardData({
        data: t,
        success: () => wx.showToast({ title: '已复制到剪贴板', icon: 'success' }),
      });
    },

    // ---- 意见反馈 ----
    onFbContent(e) { this.setData({ fbContent: e.detail.value }); },
    onFbContact(e) { this.setData({ fbContact: e.detail.value }); },
    onSubmitFeedback() {
      const content = (this.data.fbContent || '').trim();
      if (!content) return wx.showToast({ title: '写点什么再提交', icon: 'none' });
      if (this.data.saving) return;
      this.setData({ saving: true });
      api
        .submitFeedback({ content, contact: (this.data.fbContact || '').trim() })
        .then(() => this.setData({ fbDone: true, saving: false }))
        .catch((e) => {
          wx.showToast({ title: e.message || '提交失败', icon: 'none' });
          this.setData({ saving: false });
        });
    },

    // ---- 提醒增删改 ----
    loadReminders() {
      const id = store.currentPetId();
      if (!id) return;
      api
        .getReminders(id)
        .then((list) =>
          this.setData({
            reminders: (list || []).map((r) => ({
              id: r.id,
              type: r.type,
              title: r.title,
              date: r.next_due_date ? String(r.next_due_date).slice(0, 10) : '',
              freq: r.frequency || '',
              when: r.next_due_date ? fmtDate(r.next_due_date) : r.frequency || '未设置',
            })),
          }),
        )
        .catch(() => {});
    },
    onRemTitle(e) { this.setData({ 'remForm.title': e.detail.value }); },
    onRemFreq(e) { this.setData({ 'remForm.freq': e.detail.value }); },
    onRemType(e) { this.setData({ 'remForm.typeIdx': Number(e.detail.value) }); },
    onRemDate(e) { this.setData({ 'remForm.date': e.detail.value }); },
    onEditReminder(e) {
      const r = this.data.reminders[e.currentTarget.dataset.index];
      let idx = REMINDER_TYPES.findIndex((t) => t.key === r.type);
      if (idx < 0) idx = 0;
      this.setData({ remForm: { id: r.id, typeIdx: idx, title: r.title, date: r.date, freq: r.freq } });
    },
    onSaveReminder() {
      const f = this.data.remForm;
      const title = (f.title || '').trim();
      if (!title) return wx.showToast({ title: '填个提醒名', icon: 'none' });
      const body = {
        type: REMINDER_TYPES[f.typeIdx].key,
        title,
        next_due_date: f.date || '',
        frequency: (f.freq || '').trim(),
      };
      const petId = store.currentPetId();
      const p = f.id ? api.updateReminder(f.id, body) : api.createReminder(petId, body);
      p.then(() => {
        this.setData({ remForm: { id: '', typeIdx: 0, title: '', date: '', freq: '' } });
        this.loadReminders();
        this.triggerEvent('saved');
      }).catch((e) => wx.showToast({ title: e.message || '保存失败', icon: 'none' }));
    },
    onDeleteReminder(e) {
      const r = this.data.reminders[e.currentTarget.dataset.index];
      wx.showModal({
        title: '删除提醒',
        content: '确定删除「' + r.title + '」？',
        success: (res) => {
          if (!res.confirm) return;
          api.deleteReminder(r.id).then(() => {
            this.loadReminders();
            this.triggerEvent('saved');
          }).catch((err) => wx.showToast({ title: err.message || '删除失败', icon: 'none' }));
        },
      });
    },

    // ---- 管理任务 ----
    loadManageTasks() {
      const id = store.currentPetId();
      if (!id) return;
      api.getTasks(id).then((tasks) => this.setData({ manageTasks: tasks || [] })).catch(() => {});
    },
    onTaskTitle(e) { this.setData({ 'taskForm.title': e.detail.value }); },
    onTaskDesc(e) { this.setData({ 'taskForm.description': e.detail.value }); },
    onTaskPriority() {
      this.setData({ 'taskForm.priority': this.data.taskForm.priority === '重要' ? '' : '重要' });
    },
    onTaskSheet(e) { this.setData({ 'taskForm.sheetIdx': Number(e.detail.value) }); },
    onEditTaskItem(e) {
      const t = this.data.manageTasks[e.currentTarget.dataset.index];
      let sheetIdx = TASK_SHEETS.findIndex((s) => s.key === (t.sheet_type || ''));
      if (sheetIdx < 0) sheetIdx = 0;
      this.setData({
        taskForm: { id: t.id, title: t.title, description: t.description || '', priority: t.priority || '', sheetIdx },
      });
    },
    onSaveTask() {
      const f = this.data.taskForm;
      const title = (f.title || '').trim();
      if (!title) return wx.showToast({ title: '填个任务名', icon: 'none' });
      const body = { title, description: f.description, priority: f.priority, sheet_type: TASK_SHEETS[f.sheetIdx].key };
      const id = store.currentPetId();
      const p = f.id ? api.updateTask(f.id, body) : api.createTask(id, body);
      p.then(() => {
        this.setData({ taskForm: { id: '', title: '', description: '', priority: '', sheetIdx: 0 } });
        this.loadManageTasks();
        this.triggerEvent('saved');
      }).catch((e) => wx.showToast({ title: e.message || '保存失败', icon: 'none' }));
    },
    onDeleteTaskItem(e) {
      const t = this.data.manageTasks[e.currentTarget.dataset.index];
      wx.showModal({
        title: '删除任务',
        content: '确定删除「' + t.title + '」？',
        success: (r) => {
          if (!r.confirm) return;
          api.deleteTask(t.id).then(() => {
            this.loadManageTasks();
            this.triggerEvent('saved');
          }).catch((err) => wx.showToast({ title: err.message || '删除失败', icon: 'none' }));
        },
      });
    },
    onPickPostImages() {
      const left = 9 - this.data.postImages.length;
      if (left <= 0) return wx.showToast({ title: '最多 9 张', icon: 'none' });
      upload
        .chooseAndUploadImages(left)
        .then((list) => this.setData({ postImages: this.data.postImages.concat(list) }))
        .catch((e) => {
          if (e && e.canceled) return;
          wx.showToast({ title: (e && e.message) || '上传失败', icon: 'none' });
        });
    },
    onRemovePostImage(e) {
      const i = e.currentTarget.dataset.index;
      const arr = this.data.postImages.slice();
      arr.splice(i, 1);
      this.setData({ postImages: arr });
    },
    onAddName(e) { this.setData({ addName: e.detail.value }); },
    onAddBirthday(e) { this.setData({ addBirthday: e.detail.value }); },
    onAddWeight(e) { this.setData({ addWeight: e.detail.value }); },
    onAddColor(e) { this.setData({ addColor: e.detail.value }); },
    onAddBreed(e) { this.setData({ addBreed: e.detail.value }); },
    onCommentInput(e) { this.setData({ commentText: e.detail.value }); },

    segIdx(group) {
      const v = this.data.segSel[group];
      return v === undefined ? 0 : v;
    },
    optIdx(group) {
      const v = this.data.optSel[group];
      return v === undefined ? 0 : v;
    },
    // 与 optIdx 的区别：没选就是没选，不当成选了第 0 项
    optPicked(group) {
      return this.data.optSel[group] !== undefined;
    },

    // 异常观察 → 生成风险评估（真调后端 AI，失败回退）
    onGenRisk() {
      const id = store.currentPetId();
      if (!this.optPicked('symp')) {
        wx.showToast({ title: '先选一下发生了什么', icon: 'none' });
        return;
      }
      const symptoms = ['呕吐', '拉稀', '精神差', '皮肤红'];
      const durations = ['刚刚', '半天', '1天以上'];
      const spirits = ['正常', '一般', '明显变差'];
      const body = {
        symptoms: [symptoms[this.optIdx('symp')]],
        duration: durations[this.segIdx('dur')],
        spirit: spirits[this.segIdx('spirit')],
      };
      if (!id) {
        this.setData({ innerType: 'risk', riskData: null });
        return;
      }
      wx.showLoading({ title: '分析中...' });
      api
        .assessSymptom(id, body)
        .then((res) => {
          wx.hideLoading();
          this.setData({ innerType: 'risk', riskData: res });
        })
        .catch(() => {
          wx.hideLoading();
          this.setData({ innerType: 'risk', riskData: null });
        });
    },

    // 依据当前弹层类型组装一条健康记录
    buildRecord() {
      const t = this.data.innerType;
      switch (t) {
        case 'poop': {
          const s = POOP[this.segIdx('poopState')];
          return {
            type: 'poop', icon: '💩', title: '排便记录：' + s, category: s,
            description: (this.data.poopNote || '').trim(),
          };
        }
        case 'food': {
          const a = FOOD[this.segIdx('food')];
          const what = (this.data.foodText || '').trim();
          return {
            type: 'food', icon: '🍽️',
            title: what ? '饮食记录：' + what : '饮食记录：食欲' + a,
            category: a,
            description: what ? '食欲' + a : '',
          };
        }
        case 'medicine': {
          const name = (this.data.medName || '').trim();
          const dose = (this.data.medDose || '').trim();
          return {
            type: 'medicine', icon: '💊',
            title: name ? '用药：' + name : '用药记录',
            description: dose,
          };
        }
        case 'cost': {
          const c = COST[this.segIdx('cost')];
          const amt = parseFloat(this.data.costAmount) || 0;
          return {
            type: 'cost', icon: '💰', title: '消费记录：¥' + amt, num_value: amt, category: c,
            description: (this.data.costNote || '').trim(),
          };
        }
        case 'vaccine':
          return { type: 'vaccine', icon: '💉', title: '疫苗提醒：' + this.data.dateVals.vaccine };
        case 'deworm':
          return { type: 'deworm', icon: '🛡️', title: '驱虫提醒：' + this.data.dateVals.deworm };
        case 'risk': {
          // 用 AI 返回的真实风险等级，而不是写死「中」
          const r = this.data.riskData || {};
          const lv = r.risk_level || '中';
          const desc = [r.causes, r.suggestion].filter(Boolean).join('；');
          return { type: 'symptom', icon: '🤒', title: '异常观察：风险' + lv, category: lv, description: desc };
        }
        case 'vetSummary':
          return { type: 'note', icon: '📄', title: '生成就医前摘要' };
        default:
          return null;
      }
    },

    async createAndClose(rec) {
      const id = store.currentPetId();
      if (!rec) {
        this.close();
        return;
      }
      // 没建档时点「保存」原来是静默关掉弹层，用户以为存上了，其实什么都没发生
      if (!id) {
        wx.showToast({ title: '先建一份宠物档案再记录', icon: 'none' });
        return;
      }
      if (this.data.saving) return;
      this.setData({ saving: true });
      try {
        const saved = await api.createRecord(id, rec);
        if (rec.type === 'weight') store.patchCurrent({ weight: rec.title.replace('体重 ', '') });
        this.triggerEvent('saved', saved);
        this.close();
      } catch (e) {
        wx.showToast({ title: e.message || '保存失败', icon: 'none' });
        this.setData({ saving: false });
      }
    },

    onSave() {
      const t = this.data.innerType;
      if (t === 'cost' && !(parseFloat(this.data.costAmount) > 0)) {
        wx.showToast({ title: '先填个金额', icon: 'none' });
        return;
      }
      if (t === 'medicine' && !(this.data.medName || '').trim()) {
        wx.showToast({ title: '先填药品名称', icon: 'none' });
        return;
      }
      this.createAndClose(this.buildRecord());
    },
    onSaveWeight() {
      const w = (this.data.wInput || '').toString().replace(/\s+/g, '').replace('kg', '');
      const num = parseFloat(w);
      // 原来空值会静默存成「上次的体重」，等于凭空造一条假数据
      if (!w || !(num > 0)) {
        wx.showToast({ title: '填一个有效体重', icon: 'none' });
        return;
      }
      const weight = w + 'kg';
      this.createAndClose({ type: 'weight', icon: '⚖️', title: '体重 ' + weight, num_value: num, description: (this.data.wNote || '').trim() });
    },
    onSavePhoto() {
      const id = store.currentPetId();
      if (!id) return this.close();
      upload
        .chooseAndUploadImage()
        .then((f) =>
          api.createRecord(id, { type: 'photo', icon: '📷', title: '成长照片', image_file_id: f.id, image_url: f.url }),
        )
        .then((saved) => {
          wx.showToast({ title: '照片已保存', icon: 'success' });
          this.triggerEvent('saved', saved);
          this.close();
        })
        .catch((e) => {
          if (e && e.canceled) return;
          wx.showToast({ title: (e && e.message) || '上传失败', icon: 'none' });
        });
    },

    // 组装宠物档案表单
    petFormBody() {
      const isDog = this.segIdx('addType') === 1;
      return {
        name: (this.data.addName || '').trim(),
        type: isDog ? '狗狗' : '猫猫',
        emoji: isDog ? '🐶' : '🐱',
        gender: GENDERS[this.segIdx('addGender')],
        birthday: this.data.addBirthday,
        weight: this.data.addWeight,
        color: (this.data.addColor || '').trim(),
        breed: (this.data.addBreed || '').trim(),
        stage: STAGES[this.optIdx('addStage')],
        age: ageFromBirthday(this.data.addBirthday),
      };
    },

    // 添加/编辑 共用提交入口
    onPetSubmit() {
      if (this.data.innerType === 'editPet') return this.onEditPetSubmit();
      return this.onAddPetSubmit();
    },

    async onAddPetSubmit() {
      const body = this.petFormBody();
      if (!body.name) return wx.showToast({ title: '请输入名字', icon: 'none' });
      if (this.data.saving) return;
      this.setData({ saving: true });
      try {
        await api.createPet(body);
        await store.loadPets();
        this.triggerEvent('petadded');
        this.close();
      } catch (e) {
        wx.showToast({ title: e.message || '添加失败', icon: 'none' });
        this.setData({ saving: false });
      }
    },

    async onEditPetSubmit() {
      const body = this.petFormBody();
      if (!body.name) return wx.showToast({ title: '请输入名字', icon: 'none' });
      const id = store.currentPetId();
      if (!id) return this.close();
      if (this.data.saving) return;
      this.setData({ saving: true });
      try {
        await api.updatePet(id, body);
        await store.loadPets();
        this.triggerEvent('petadded');
        this.close();
      } catch (e) {
        wx.showToast({ title: e.message || '保存失败', icon: 'none' });
        this.setData({ saving: false });
      }
    },

    onDeletePet() {
      const id = store.currentPetId();
      const name = this.data.pet.name || '这只宠物';
      if (!id) return;
      wx.showModal({
        title: '删除宠物',
        content: `删除「${name}」后，它的记录、计划、提醒都会一并移除，且不可恢复。确定删除吗？`,
        confirmText: '删除',
        confirmColor: '#EE7D73',
        success: (res) => {
          if (!res.confirm) return;
          api
            .deletePet(id)
            .then(async () => {
              await store.loadPets();
              this.triggerEvent('petadded');
              this.close();
              if (store.getPets().length === 0) {
                wx.reLaunch({ url: '/pages/onboarding/onboarding' });
              }
            })
            .catch((e) => wx.showToast({ title: e.message || '删除失败', icon: 'none' }));
        },
      });
    },

    // 发帖
    async onCreatePost() {
      const content = (this.data.postContent || '').trim();
      if (!content) return wx.showToast({ title: '写点什么吧', icon: 'none' });
      const identity = IDENTITY[this.segIdx('ident')];
      const tag = PTAG[this.data.optSel.ptag === undefined ? 0 : this.data.optSel.ptag];
      if (this.data.saving) return;
      this.setData({ saving: true });
      try {
        await api.createPost({
          pet_id: identity === 'petName' ? store.currentPetId() : null,
          identity,
          content,
          tags: [tag],
          image_file_ids: this.data.postImages.map((i) => i.id),
        });
        this.triggerEvent('posted');
        this.close();
      } catch (e) {
        wx.showToast({ title: e.message || '发布失败', icon: 'none' });
        this.setData({ saving: false });
      }
    },

    // 评论
    async onSendComment() {
      const text = (this.data.commentText || '').trim();
      // 原来空评论会直接把弹层关掉，看起来像发成功了。改成明确提示
      if (!text) return wx.showToast({ title: '写点什么再发', icon: 'none' });
      if (!this.data.postId) return this.close();
      try {
        await api.createComment(this.data.postId, text, this.data.commentImages.map((i) => i.url));
        this.setData({ commentText: '', commentImages: [] });
        this.loadComments();
        this.triggerEvent('commented');
      } catch (e) {
        wx.showToast({ title: e.message || '评论失败', icon: 'none' });
      }
    },

    // 评论配图，最多 3 张
    onPickCommentImages() {
      const left = 3 - this.data.commentImages.length;
      if (left <= 0) return wx.showToast({ title: '最多 3 张', icon: 'none' });
      upload
        .chooseAndUploadImages(left)
        .then((files) => this.setData({ commentImages: this.data.commentImages.concat(files) }))
        .catch((e) => {
          if (e && e.canceled) return;
          wx.showToast({ title: (e && e.message) || '上传失败', icon: 'none' });
        });
    },
    onRemoveCommentImage(e) {
      const list = this.data.commentImages.slice();
      list.splice(e.currentTarget.dataset.index, 1);
      this.setData({ commentImages: list });
    },

  },
});