// pages/cloud-test/cloud-test.js

Page({
  data: {
    logs: [],
    testData: null,
    loading: false
  },

  onLoad() {
    this.addLog('页面加载完成，云开发测试就绪');
  },

  // 添加日志
  addLog(message, type = 'info') {
    const time = new Date().toLocaleTimeString();
    const logs = [...this.data.logs, { time, message, type }];
    this.setData({ logs });
  },

  // 清空日志
  onClearLogs() {
    this.setData({ logs: [] });
  },

  // 测试云函数
  async onTestFunction() {
    this.addLog('开始调用云函数 test...');
    this.setData({ loading: true });

    try {
      const res = await wx.cloud.callFunction({
        name: 'test',
        data: {
          action: 'test',
          timestamp: Date.now()
        }
      });

      this.addLog('云函数调用成功', 'success');
      this.addLog(`返回结果: ${JSON.stringify(res.result)}`, 'success');
      console.log('云函数返回:', res);
    } catch (err) {
      this.addLog(`云函数调用失败: ${err.message}`, 'error');
      console.error('云函数错误:', err);
    }

    this.setData({ loading: false });
  },

  // 测试数据库 - 添加数据
  async onTestDbAdd() {
    this.addLog('开始测试数据库添加...');
    this.setData({ loading: true });

    try {
      const db = wx.cloud.database();
      const res = await db.collection('test_collection').add({
        data: {
          content: '测试数据',
          createTime: db.serverDate(),
          count: Math.floor(Math.random() * 100)
        }
      });

      this.addLog('数据添加成功', 'success');
      this.addLog(`文档ID: ${res._id}`, 'success');
      this.setData({ testData: { _id: res._id } });
    } catch (err) {
      this.addLog(`数据库添加失败: ${err.message}`, 'error');
      console.error('数据库错误:', err);
    }

    this.setData({ loading: false });
  },

  // 测试数据库 - 查询数据
  async onTestDbQuery() {
    this.addLog('开始测试数据库查询...');
    this.setData({ loading: true });

    try {
      const db = wx.cloud.database();
      const res = await db.collection('test_collection')
        .orderBy('createTime', 'desc')
        .limit(5)
        .get();

      this.addLog('数据查询成功', 'success');
      this.addLog(`查询到 ${res.data.length} 条数据`, 'success');
      
      res.data.forEach((item, index) => {
        this.addLog(`[${index + 1}] ${item.content} - count: ${item.count}`, 'info');
      });
    } catch (err) {
      this.addLog(`数据库查询失败: ${err.message}`, 'error');
      console.error('数据库错误:', err);
    }

    this.setData({ loading: false });
  },

  // 测试数据库 - 删除数据
  async onTestDbDelete() {
    if (!this.data.testData?._id) {
      this.addLog('请先添加测试数据', 'error');
      return;
    }

    this.addLog('开始测试数据库删除...');
    this.setData({ loading: true });

    try {
      const db = wx.cloud.database();
      await db.collection('test_collection').doc(this.data.testData._id).remove();

      this.addLog('数据删除成功', 'success');
      this.setData({ testData: null });
    } catch (err) {
      this.addLog(`数据库删除失败: ${err.message}`, 'error');
      console.error('数据库错误:', err);
    }

    this.setData({ loading: false });
  },

  // 测试云存储 - 上传图片
  async onTestStorageUpload() {
    this.addLog('开始测试云存储上传...');

    try {
      // 选择图片
      const chooseRes = await wx.chooseMedia({
        count: 1,
        mediaType: ['image'],
        sourceType: ['album', 'camera']
      });

      const filePath = chooseRes.tempFiles[0].tempFilePath;
      const cloudPath = `test/${Date.now()}-${Math.random().toString(36).substr(2)}.png`;

      this.setData({ loading: true });
      this.addLog('正在上传图片...');

      const uploadRes = await wx.cloud.uploadFile({
        cloudPath,
        filePath
      });

      this.addLog('图片上传成功', 'success');
      this.addLog(`文件ID: ${uploadRes.fileID}`, 'success');

      // 获取临时链接
      const urlRes = await wx.cloud.getTempFileURL({
        fileList: [uploadRes.fileID]
      });

      if (urlRes.fileList[0].tempFileURL) {
        this.addLog(`临时链接: ${urlRes.fileList[0].tempFileURL.substr(0, 50)}...`, 'success');
      }
    } catch (err) {
      if (err.errMsg?.includes('cancel')) {
        this.addLog('用户取消选择', 'info');
      } else {
        this.addLog(`上传失败: ${err.message || err.errMsg}`, 'error');
      }
      console.error('存储错误:', err);
    }

    this.setData({ loading: false });
  },

  // 返回首页
  onBack() {
    wx.switchTab({
      url: '/pages/index/index'
    });
  }
});