import http from '../../../utils/api'
const baseUrl = require('../../../utils/baseUrl')

Page({
  data: {
    postId: null, // 存储帖子ID
    post: null,
    postHf: [], // 帖子回复列表
    replyContent: '',
    baseUrl: baseUrl,
    replyTarget: {
      type: '', // 'post'或'reply'或'comment'
      id: '', // 回复或评论的ID
      nickName: '',
      replyIndex: null,
      commentIndex: null,
      parentId: null // 父级ID（用于二级评论）
    },
    replyPlaceholder: '输入您的回复...',
    isInputFocused: false,
    inputTransformY: '0',
    isSubmitting: false,
    showPreview: false,
    previewImages: [],
    previewIndex: 0,
    loading: false,
    scrollToId: '',
    keyboardHeight: 0
  },

  onLoad: function (options) {
    const postId = options.id
    this.setData({
      postId: postId
    })
    
    this.loadPostDetail(postId);
    this.getforumReply(postId)

    // 监听键盘高度变化
    wx.onKeyboardHeightChange(res => {
      if (res.height > 0) {
        this.setData({
          keyboardHeight: res.height
        });
      }
    });
  },

  // 加载帖子详情
  loadPostDetail: function (postId) {
    this.setData({
      loading: true
    });

    http.forumDetails({
      data: {
        id: postId
      },
      success: res => {
        console.log('帖子详情:', res);
        const postData = res.data
        const images = postData.images ? postData.images.split(',') : []
        this.setData({
          post: postData,
          images: images,
          loading: false
        });
      },
      fail: err => {
        console.error('加载帖子详情失败:', err);
        wx.showToast({
          title: '加载失败',
          icon: 'none'
        });
        this.setData({
          loading: false
        });
      }
    })
  },

  // 帖子回复列表
  getforumReply(postId) {
    http.forumReply({
      data: {
        questionId: postId
      },
      success: res => {
        console.log('回复列表:', res);
        this.setData({
          postHf: res.rows || []
        })
      },
      fail: err => {
        console.error('加载回复列表失败:', err);
        this.setData({
          postHf: []
        })
      }
    })
  },

  // 滚动监听
  onScroll: function (e) {
    // 可以在这里实现滚动相关逻辑
  },

  // 输入框获取焦点
  onInputFocus: function (e) {
    this.setData({
      isInputFocused: true,
      inputTransformY: `-${e.detail.height}px`
    });
  },

  // 输入框失去焦点
  onInputBlur: function () {
    this.setData({
      isInputFocused: false,
      inputTransformY: '0'
    });
  },

  // 回复输入
  onReplyInput: function (e) {
    this.setData({
      replyContent: e.detail.value
    });
  },

  // 回复一级评论
  replyToUser: function (e) {
    console.log(567,e);
    const {
      type,
      index,
      username
    } = e.currentTarget.dataset;
    
    const replyItem = this.data.postHf[index];
    
    this.setData({
      replyTarget: {
        type: 'reply', // 回复一级评论
        id: replyItem.id,
        nickName: username,
        replyIndex: parseInt(index),
        parentId: null // 一级评论没有父级ID
      },
      replyPlaceholder: `回复 @${username}...`,
      replyContent: '',
      isInputFocused: true
    });

    // 滚动到对应回复位置
    setTimeout(() => {
      this.setData({
        scrollToId: `reply-${replyItem.id}`
      });
    }, 100);
  },


  // 清除回复目标
  clearReplyTarget: function () {
    this.setData({
      replyTarget: {
        type: '',
        id: '',
        nickName: '',
        replyIndex: null,
        commentIndex: null,
        parentId: null
      },
      replyPlaceholder: '输入您的回复...',
      replyContent: ''
    });
  },

  // 提交回复
  submitReply: function () {
    const {
      replyContent,
      replyTarget,
      postId
    } = this.data;
    const content = replyContent.trim();

    if (!content) {
      wx.showToast({
        title: '请输入内容',
        icon: 'none'
      });
      return;
    }

    if (content.length > 500) {
      wx.showToast({
        title: '回复内容不能超过500字',
        icon: 'none'
      });
      return;
    }

    this.setData({
      isSubmitting: true
    });

    // 准备提交数据
    const submitData = {
      questionId: postId, // 帖子ID
      content: content // 回复内容
    };

    // 如果有回复目标，添加父级ID
    if (replyTarget.type === 'reply' && replyTarget.id) {
      submitData.parentId = replyTarget.id; // 回复一级评论
    } else if (replyTarget.type === 'comment' && replyTarget.id) {
      submitData.parentId = replyTarget.id; // 回复二级评论
    }
    // 如果type为'post'或为空，则表示直接回复帖子，parentId为空

    console.log('提交数据:', submitData);

    // 调用提交接口
    http.commentReply({
      data: submitData,
      success: res => {
        console.log('回复成功:', res);
        // 提交成功后的处理
        this.handleReplySuccess(content, replyTarget);
        
        // 刷新回复列表
        setTimeout(() => {
          this.getforumReply(postId);
        }, 500);
      },
      fail: err => {
        console.error('回复失败:', err);
        wx.showToast({
          title: '回复失败，请重试',
          icon: 'none',
          duration: 2000
        });
        this.setData({
          isSubmitting: false
        });
      }
    });
  },

  // 处理回复成功后的UI更新
  handleReplySuccess: function (content, replyTarget) {
    // 清空输入框和回复目标
    this.setData({
      replyContent: '',
      replyTarget: {
        type: '',
        id: '',
        nickName: '',
        replyIndex: null,
        commentIndex: null,
        parentId: null
      },
      replyPlaceholder: '输入您的回复...',
      isInputFocused: false,
      isSubmitting: false
    });
    
    // 如果是直接回复帖子，滚动到底部
    if (!replyTarget.type || replyTarget.type === 'post') {
      setTimeout(() => {
        wx.pageScrollTo({
          scrollTop: 9999,
          duration: 300
        });
      }, 300);
    }
  },

  // 图片预览
  previewImage: function (e) {
    const imgIndex = e.currentTarget.dataset.imgIndex;
    const images = this.data.images;

    this.setData({
      showPreview: true,
      previewImages: images,
      previewIndex: imgIndex
    });
  },

  // 图片预览滑动
  onSwiperChange: function (e) {
    this.setData({
      previewIndex: e.detail.current
    });
  },

  // 隐藏预览
  hidePreview: function () {
    this.setData({
      showPreview: false
    });
  },

  // 下拉刷新
  onPullDownRefresh: function () {
    if (this.data.postId) {
      this.loadPostDetail(this.data.postId);
      this.getforumReply(this.data.postId);
    }
    wx.stopPullDownRefresh();
  },

  // 页面上拉触底
  onReachBottom: function () {
    // 这里可以实现加载更多回复的逻辑
    console.log('加载更多回复');
  },

  // 页面卸载
  onUnload: function () {
    // 移除键盘高度监听
    wx.offKeyboardHeightChange();
  }
});