const { getLayout } = require('../../utils/layout');
// pages/pet/pet.js
const { api } = require('../../utils/request');

const BREED_NAMES = {
  'golden': '金毛',
  'husky': '哈士奇',
  'corgi': '柯基',
  'shiba': '柴犬'
};

const BREED_EMOJIS = {
  'golden': '🐕',
  'husky': '🐺',
  'corgi': '🦊',
  'shiba': '🐶'
};

const STAGE_NAMES = ['', '幼犬期', '少年期', '青年期', '成年期', '终极期'];

Page({
  onResize: function() { this.setData(getLayout()); },
  data: { loading: true, loadError: false,
    hasPet: false,
    pet: null,
    daily: null,
    achievements: [],
    dynamics: [],
    displayDynamics: [],
    equipped: [],

    // 领养表单
    breedSelect: 'golden',
    genderSelect: 1,
    petName: '',
    adopting: false,

    // 宠物状态
    dailyStatus: {},
    partnerDaily: {},
    allDone: false,
    expProgress: 0,
    expForNextLevel: 0,
    breedName: '',
    petEmoji: '',
    stageName: '',
    equippedCollar: false,

    // 最近成就
    recentAchievements: [],
    achievementCount: 0,

    // 改名
    showRename: false,
    renameValue: '',
    renaming: false,
    // 动态折叠（默认收起，收起时显示一条）
    showAllDynamics: false
  },

  onLoad: function() {
    this.setData(getLayout());
    this.loadPetInfo();
  },

  onShow: function() {
    this.loadPetInfo();
  },

  loadPetInfo: async function() {
    if (this._pageLoading) return;
    this._pageLoading = true;
    this.setData({loading:true, loadError:false});
    try {
      const res = await api.petInfo();
      if (res.has_pet && res.pet) {
        const pet = res.pet;
        const dailyStatus = {};
        const partnerDaily = {};
        if (res.daily) {
          const d = res.daily;
          const suffix = res.is_user1 ? 'u1' : 'u2';
          const partnerSuffix = res.is_user1 ? 'u2' : 'u1';
          ['feed', 'water', 'walk', 'bath', 'sleep', 'play'].forEach(a => {
            dailyStatus[a] = d[a + '_' + suffix] == 1;
            partnerDaily[a] = d[a + '_' + partnerSuffix] == 1;
          });
        }
        // 获取已装备物品
        const equipped = res.equipped || [];
        const equippedCollar = equipped.some(e => e.item_type === 'collar');
        // 计算最近成就
        const allAch = this.getAllAchievementDefs();
        const recentAch = allAch.filter(a => res.achievements.indexOf(a.key) >= 0).slice(0, 5);

        // 计算领养天数
        var adoptDays = 0;
        if (pet.adopted_at) {
          var adoptDate = new Date(pet.adopted_at.replace(/-/g, '/'));
          if (!isNaN(adoptDate.getTime())) {
            adoptDays = Math.floor((Date.now() - adoptDate.getTime()) / 86400000);
          }
        }
        var pageData = {
          hasPet: true,
          pet: pet,
          daily: res.daily,
          achievements: res.achievements,
          dynamics: this._formatDynamics(res.dynamics || []),
          showAllDynamics: false,
          equipped: equipped,
          dailyStatus: dailyStatus,
          partnerDaily: partnerDaily,
          allDone: res.daily ? res.daily.all_done == 1 : false,
          expProgress: res.exp_progress || 0,
          expForNextLevel: res.exp_for_next_level || 0,
          breedName: BREED_NAMES[pet.breed] || '金毛',
          petEmoji: BREED_EMOJIS[pet.breed] || '🐕',
          stageName: STAGE_NAMES[pet.stage] || '幼犬期',
          equippedCollar: equippedCollar,
          recentAchievements: recentAch,
          achievementCount: (res.achievements || []).length,
          adoptDays: adoptDays
        };

        this.setData(pageData);
        this._buildDisplayDynamics();

      } else {
        this.setData({ hasPet: false, pet:null, daily:null, achievements:[], dynamics:[], displayDynamics:[] });
      }
    } catch (e) {
      this.setData({loadError:true});
      console.error(e);
    }
    finally { this._pageLoading = false; this.setData({loading:false}); }
  },

  // 格式化动态数据：时间转为友好显示，昵称取首字
  _formatDynamics: function(list) {
    var now = Date.now();
    return list.map(function(d) {
      var timeText = '';
      if (d.created_at) {
        var t = new Date(String(d.created_at).replace(/-/g, '/').replace('T', ' '));
        if (!isNaN(t.getTime())) {
          var diff = Math.floor((now - t.getTime()) / 1000);
          if (diff < 60) timeText = '刚刚';
          else if (diff < 3600) timeText = Math.floor(diff / 60) + '分钟前';
          else if (diff < 86400) timeText = Math.floor(diff / 3600) + '小时前';
          else if (diff < 172800) timeText = '昨天';
          else timeText = (t.getMonth() + 1) + '月' + t.getDate() + '日';
        }
      }
      var initial = d.user_id == 0 ? '🐾' : (d.nickname ? String(d.nickname).trim()[0] : '?');
      return {
        user_id: d.user_id,
        nickname: d.nickname,
        avatar: d.avatar || '',
        action: d.action,
        message: d.message,
        time_text: timeText,
        initial: initial
      };
    });
  },

  getAllAchievementDefs: function() {
    return [
      { key: 'first_adopt', name: '初次相遇', icon: '🐣' },
      { key: 'level_5', name: '成长之路', icon: '⭐' },
      { key: 'level_10', name: '小有成就', icon: '🌟' },
      { key: 'level_20', name: '资深铲屎官', icon: '👑' },
      { key: 'level_30', name: '终极陪伴', icon: '💎' },
      { key: 'stage_2', name: '少年初长成', icon: '🐕' },
      { key: 'stage_3', name: '青春活力', icon: '🦮' },
      { key: 'stage_4', name: '成熟稳重', icon: '🐩' },
      { key: 'stage_5', name: '终极形态', icon: '🦁' },
      { key: 'all_done_7', name: '一周全勤', icon: '📅' },
      { key: 'all_done_30', name: '月度之星', icon: '🏆' },
      { key: 'feed_100', name: '大胃王', icon: '🍖' },
      { key: 'walk_50', name: '散步达人', icon: '🚶' },
      { key: 'bath_30', name: '爱干净', icon: '🛁' },
      { key: 'play_50', name: '玩伴', icon: '🎾' },
      { key: 'happiness_100', name: '快乐满分', icon: '😊' },
      { key: 'rename_first', name: '取名大师', icon: '✏️' },
      { key: 'adopt_7days', name: '一周陪伴', icon: '📆' },
      { key: 'adopt_30days', name: '一月相伴', icon: '🗓️' },
      { key: 'adopt_100days', name: '百日纪念', icon: '💯' }
    ];
  },

  // 选择品种
  selectBreed: function(e) {
    this.setData({ breedSelect: e.currentTarget.dataset.breed });
  },

  // 选择性别
  selectGender: function(e) {
    this.setData({ genderSelect: parseInt(e.currentTarget.dataset.gender) });
  },

  // 输入名字
  onNameInput: function(e) {
    this.setData({ petName: e.detail.value });
  },

  // 领养
  doAdopt: async function() {
    var name = this.data.petName.trim();
    if (!name) {
      wx.showToast({ title: '请给宠物取个名字', icon: 'none' });
      return;
    }
    this.setData({ adopting: true });
    try {
      const res = await api.petAdopt({
        name: name,
        breed: this.data.breedSelect,
        gender: this.data.genderSelect
      });
      wx.showToast({ title: '🎉 领养成功！', icon: 'success' });
      this.loadPetInfo();
    } catch (e) {
      wx.showToast({ title: e.error || '领养失败', icon: 'none' });
    } finally {
      this.setData({ adopting: false });
    }
  },

  // 执行日常任务
  doDailyAction: async function(e) {
    var action = e.currentTarget.dataset.action;
    if (this.data.dailyStatus[action]) {
      wx.showToast({ title: '已完成', icon: 'none' });
      return;
    }
    try {
      const res = await api.petDailyAction({ action: action });
      wx.showToast({ title: '✅ +' + (res.exp_gain || 0) + '经验', icon: 'success', duration: 1500 });
      this.loadPetInfo();
    } catch (e) {
      if (e.already_done) {
        wx.showToast({ title: '今天已完成啦', icon: 'none' });
        this.loadPetInfo();
      } else {
        wx.showToast({ title: e.error || '操作失败', icon: 'none' });
      }
    }
  },

  // 改名
  showRenameModal: function() {
    this.setData({
      showRename: true,
      renameValue: this.data.pet ? this.data.pet.name : ''
    });
  },
  hideRenameModal: function() {
    this.setData({ showRename: false });
  },
  onRenameInput: function(e) {
    this.setData({ renameValue: e.detail.value });
  },
  doRename: async function() {
    var name = this.data.renameValue.trim();
    if (!name) {
      wx.showToast({ title: '请输入名字', icon: 'none' });
      return;
    }
    this.setData({ renaming: true });
    try {
      await api.petRename({ name: name });
      wx.showToast({ title: '改名成功 ✏️', icon: 'success' });
      this.setData({ showRename: false });
      this.loadPetInfo();
    } catch (e) {
      wx.showToast({ title: e.error || '改名失败', icon: 'none' });
    } finally {
      this.setData({ renaming: false });
    }
  },

  // 展开/收起动态
  toggleDynamics: function() {
    this.setData({ showAllDynamics: !this.data.showAllDynamics }, () => {
      this._buildDisplayDynamics();
    });
  },

  // 根据折叠状态计算要展示的动态列表（收起时只显示一条）
  _buildDisplayDynamics: function() {
    var list = this.data.dynamics || [];
    var show = this.data.showAllDynamics;
    this.setData({ displayDynamics: show ? list : list.slice(0, 1) });
  },

  // 跳转到成就页
  goToAchievements: function() {
    wx.navigateTo({ url: '/pages/pet/achievements' });
  },

  // 返回
  goBack: function() {
    wx.navigateBack();
  },

  stopPropagation: function() {}
});