// 好友详情页面
const app = getApp();
const friendAPI = require('../../../utils/friend-api.js');

Page({
  data: {
    // 好友信息
    friendInfo: null,
    loading: true,

    // 操作状态
    isDeleting: false,

    // UI 预计算字段
    friendInitial: '?'
  },

  onLoad(options) {
    // 获取好友ID
    const customId = options.customId;
    if (customId) {
      this.loadFriendDetail(customId);
    } else {
      wx.showToast({
        title: '参数错误',
        icon: 'none'
      });
      setTimeout(() => {
        wx.navigateBack();
      }, 1500);
    }
  },

  // 加载好友详情
  async loadFriendDetail(customId) {
    try {
      this.setData({ loading: true });

      const response = await friendAPI.getFriendDetail(customId);
      if (response && (response.code === 0 || response.code === 200 || response.code === '0' || response.code === '200')) {
        const friendInfo = response.data;
        const initial = this._computeInitial(friendInfo);

        // 计算年龄（根据生日）
        const calculatedAge = this.calculateAge(friendInfo?.birthday);
        
        // 将家乡数组转换为字符串
        let hometownText = '';
        if (friendInfo?.hometown) {
          if (Array.isArray(friendInfo.hometown)) {
            hometownText = friendInfo.hometown.filter(item => item).join(' ');
          } else if (typeof friendInfo.hometown === 'string') {
            hometownText = friendInfo.hometown;
          }
        }else if(friendInfo.locationInfo){
          hometownText = friendInfo.locationInfo.district + friendInfo.locationInfo.city
        }

        this.setData({
          friendInfo: friendInfo,
          loading: false,
          friendInitial: initial,
          calculatedAge: calculatedAge,
          hometownText: hometownText
        });
      } else {
        throw new Error(response?.message || '获取好友详情失败');
      }

    } catch (error) {
      console.error('❌ 加载好友详情失败:', error);
      this.setData({ loading: false });

      wx.showToast({
        title: error.message || '加载失败',
        icon: 'none'
      });

      // 延迟返回上一页
      setTimeout(() => {
        wx.navigateBack();
      }, 1500);
    }
  },

  // 根据生日计算年龄
  calculateAge(birthday) {
    if (!birthday) {
      return null;
    }
    
    try {
      // 处理 YYYY-MM-DD 格式的日期
      let birthDate;
      if (typeof birthday === 'string' && birthday.includes('-')) {
        const dateParts = birthday.split('-');
        if (dateParts.length === 3) {
          birthDate = new Date(parseInt(dateParts[0]), parseInt(dateParts[1]) - 1, parseInt(dateParts[2]));
        } else {
          birthDate = new Date(birthday);
        }
      } else {
        birthDate = new Date(birthday);
      }
      
      if (isNaN(birthDate.getTime())) {
        return null;
      }
      
      const today = new Date();
      let age = today.getFullYear() - birthDate.getFullYear();
      const monthDiff = today.getMonth() - birthDate.getMonth();
      
      // 如果还没过生日，年龄减1
      if (monthDiff < 0 || (monthDiff === 0 && today.getDate() < birthDate.getDate())) {
        age--;
      }
      
      // 年龄应该大于等于0
      return age >= 0 ? age : null;
    } catch (error) {
      console.error('计算年龄失败:', error, birthday);
      return null;
    }
  },

  // 发送消息
  sendMessage() {
    const { friendInfo } = this.data;
    if (!friendInfo) return;

    wx.navigateTo({
      url: `/pages/message/chat/chat?targetId=${friendInfo.customId}&name=${encodeURIComponent(friendInfo.nickname)}&chatType=0`
    });
  },


  
  previewImage(e) {
    try {
      // 获取当前点击的图片索引和动态索引
      const avatar = e.currentTarget.dataset.avatar;
      // 🔥 设置标志，防止预览关闭后触发页面刷新
      this._skipNextOnShowReload = true;
      const imageUrls=[avatar];
      // 调用微信小程序的图片预览API
      wx.previewImage({
        current: avatar,
        urls: imageUrls,
        success: () => {
          // 预览打开成功，标志已设置，关闭时会触发 onShow
        },
        fail: (err) => {
          console.error('图片预览失败:', err);
          // 预览失败，清除标志
          this._skipNextOnShowReload = false;
          wx.showToast({
            title: '预览图片失败',
            icon: 'none'
          });
        }
      });
    } catch (error) {
      console.error('图片预览过程中出错:', error);
      // 出错时清除标志
      this._skipNextOnShowReload = false;
      wx.showToast({
        title: '预览图片失败',
        icon: 'none'
      });
    }
  },

  // 视频通话
  videoCall() {
    const { friendInfo } = this.data;
    if (!friendInfo) return;

    wx.showToast({
      title: '视频通话功能开发中',
      icon: 'none'
    });
  },

  // 设置备注
  setRemark() {
    const { friendInfo } = this.data;
    if (!friendInfo) {
      wx.showToast({
        title: '好友信息不存在',
        icon: 'none'
      });
      return;
    }

    console.log('🔍 准备跳转到备注页面，好友信息:', friendInfo);
    
    const nickname = friendInfo.nickname || friendInfo.remark || '好友';
    const customId = friendInfo.customId || '';
    const friendId = friendInfo.id || friendInfo.friendId || customId;
    const remark = friendInfo.remark || '';
    
    wx.navigateTo({
      url: `/subpackages/social-remark/friend-remark?friendId=${encodeURIComponent(friendId)}&customId=${encodeURIComponent(customId)}&remark=${encodeURIComponent(remark)}&nickname=${encodeURIComponent(nickname)}`,
      success: () => {
        console.log('✅ 跳转成功');
      },
      fail: (err) => {
        console.error('❌ 跳转失败:', err);
        wx.showToast({
          title: '跳转失败: ' + (err.errMsg || '未知错误'),
          icon: 'none',
          duration: 2000
        });
      }
    });
  },

  // 删除好友
  deleteFriend() {
    const { friendInfo } = this.data;
    if (!friendInfo) return;

    wx.showModal({
      title: '删除好友',
      content: `确定要删除好友"${friendInfo.nickname}"吗？删除后将同时清理聊天记录。`,
      confirmText: '删除',
      confirmColor: '#ff4757',
      success: async (res) => {
        if (res.confirm) {
          try {
            this.setData({ isDeleting: true });
            wx.showLoading({ title: '正在删除...' });

            // 后端删除好友关系
            await friendAPI.deleteFriend(friendInfo.customId);

            // 🔥 删除对应的会话记录
            try {
              const nimConversationManager = require('../../../utils/nim-conversation-manager.js');
              const app = getApp();
              
              // 获取当前用户的 NIM accountId
              const userInfo = app.globalData.userInfo;
              const myAccountId = userInfo?.neteaseIMAccid || userInfo?.user?.neteaseIMAccid;
              
              console.log('删除会话 - 用户信息:', {
                myAccountId,
                friendId: friendInfo.customId
              });
              
              if (myAccountId && friendInfo.customId) {
                const conversationId = `${myAccountId}|1|${friendInfo.customId}`;
                console.log('🗑️ 准备删除会话:', conversationId);
                
                await nimConversationManager.deleteConversation(conversationId);
                console.log('✅ 已删除好友会话:', conversationId);
              } else {
                console.warn('⚠️ 缺少必要信息，无法删除会话', {
                  hasMyAccountId: !!myAccountId,
                  hasFriendId: !!friendInfo.customId
                });
              }
            } catch (convError) {
              console.error('⚠️ 删除会话失败（不影响主流程）:', convError);
            }

            wx.hideLoading();
            wx.showToast({
              title: '已删除好友',
              icon: 'success'
            });

            // 延迟返回并刷新好友列表
            setTimeout(() => {
              // 通知好友页面刷新
              const pages = getCurrentPages();
              const friendsPage = pages.find(page => page.route === 'pages/social/friends/friends');
              if (friendsPage && friendsPage.loadFriends) {
                friendsPage.loadFriends();
              }

              wx.navigateBack();
            }, 1000);

          } catch (error) {
            console.error('❌ 删除好友失败:', error);
            wx.hideLoading();
            this.setData({ isDeleting: false });

            wx.showToast({
              title: error.message || '删除失败',
              icon: 'none'
            });
          }
        }
      }
    });
  },

  // 查看位置
  viewLocation() {
    const { friendInfo } = this.data;
    if (!friendInfo || !friendInfo.locationInfo) {
      wx.showToast({
        title: '暂无位置信息',
        icon: 'none'
      });
      return;
    }

    const { locationInfo } = friendInfo;
    wx.openLocation({
      latitude: locationInfo.latitude,
      longitude: locationInfo.longitude,
      name: friendInfo.nickname,
      address: locationInfo.address || '未知位置'
    });
  },

  // ===== 置顶/免打扰开关 =====
  async onTogglePin(e) {
    wx.showToast({
      title: '请使用消息页面管理会话',
      icon: 'none'
    });
  },

  async onToggleMute(e) {
    wx.showToast({
      title: '请使用消息页面管理会话',
      icon: 'none'
    });
  },

  // 计算头像首字母
  _computeInitial(friendInfo) {
    try {
      const name = String(friendInfo?.remark || friendInfo?.nickname || '').trim();
      if (!name) return '?';
      return name.charAt(0);
    } catch (_) {
      return '?';
    }
  },

  // 复制ID
  copyId() {
    const { friendInfo } = this.data;
    const id = friendInfo?.customId || (friendInfo?.id ? 'findme_' + friendInfo.id : '未设置');
    if (!id || id === '未设置') {
      wx.showToast({
        title: 'ID不存在',
        icon: 'none'
      });
      return;
    }
    wx.setClipboardData({
      data: id,
      success: () => {
        wx.showToast({
          title: '复制成功',
          icon: 'success',
          duration: 2000
        });
      },
      fail: () => {
        wx.showToast({
          title: '复制失败',
          icon: 'none'
        });
      }
    });
  },

  // 查看二维码
  viewQRCode() {
    const { friendInfo } = this.data;
    if (!friendInfo || !friendInfo.customId) {
      wx.showToast({
        title: '好友信息不存在',
        icon: 'none'
      });
      return;
    }
    
    // 传递好友的 customId 参数，用于生成好友的二维码
    wx.navigateTo({
      url: `/subpackages/qr/qr-code/qr-code?customId=${friendInfo.customId}`,
      success: (res) => {
        console.log('跳转二维码页面成功', res);
      },
      fail: (err) => {
        console.error('跳转二维码页面失败', err);
        wx.showToast({
          title: '跳转失败',
          icon: 'none'
        });
      }
    });
  },
});