// pages/settings/settings.ts
import { todoStorage } from '../../utils/todoStorage';

Component({
  data: {
    activeTab: 'settings',
    darkMode: false,
    notifications: true,
    autoBackup: true,
    stats: {} as any,
    appVersion: '1.0.0',
    showAboutDialog: false,
    showBackupDialog: false,
    backupData: ''
  },

  lifetimes: {
    attached() {
      this.loadSettings();
      this.loadStats();
    }
  },

  methods: {
    // 加载设置
    loadSettings() {
      try {
        const settings = wx.getStorageSync('pure_todo_settings');
        if (settings) {
          const parsedSettings = JSON.parse(settings);
          this.setData({
            darkMode: parsedSettings.darkMode || false,
            notifications: parsedSettings.notifications !== false,
            autoBackup: parsedSettings.autoBackup !== false
          });
        }
      } catch (error) {
        console.error('加载设置失败:', error);
      }
    },

    // 保存设置
    saveSettings() {
      try {
        const settings = {
          darkMode: this.data.darkMode,
          notifications: this.data.notifications,
          autoBackup: this.data.autoBackup
        };
        wx.setStorageSync('pure_todo_settings', JSON.stringify(settings));
      } catch (error) {
        console.error('保存设置失败:', error);
      }
    },

    // 加载统计信息
    loadStats() {
      const stats = todoStorage.getStats();
      this.setData({ stats });
    },

    // 切换深色模式
    onDarkModeChange(e: any) {
      this.setData({ darkMode: e.detail.value }, () => {
        this.saveSettings();
        wx.showToast({
          title: e.detail.value ? '已开启深色模式' : '已关闭深色模式',
          icon: 'success'
        });
      });
    },

    // 切换通知
    onNotificationsChange(e: any) {
      this.setData({ notifications: e.detail.value }, () => {
        this.saveSettings();
        wx.showToast({
          title: e.detail.value ? '已开启通知' : '已关闭通知',
          icon: 'success'
        });
      });
    },

    // 切换自动备份
    onAutoBackupChange(e: any) {
      this.setData({ autoBackup: e.detail.value }, () => {
        this.saveSettings();
        wx.showToast({
          title: e.detail.value ? '已开启自动备份' : '已关闭自动备份',
          icon: 'success'
        });
      });
    },

    // 导出数据
    exportData() {
      const data = todoStorage.exportData();
      this.setData({ 
        backupData: data,
        showBackupDialog: true 
      });
    },

    // 导入数据
    importData() {
      wx.showModal({
        title: '导入数据',
        content: '请将备份数据粘贴到输入框中',
        editable: true,
        placeholderText: '粘贴备份数据...',
        success: (res) => {
          if (res.confirm && res.content) {
            const success = todoStorage.importData(res.content);
            if (success) {
              this.loadStats();
              wx.showToast({
                title: '数据导入成功',
                icon: 'success'
              });
            } else {
              wx.showToast({
                title: '数据格式错误',
                icon: 'error'
              });
            }
          }
        }
      });
    },

    // 清空数据
    clearData() {
      wx.showModal({
        title: '确认清空',
        content: '确定要清空所有数据吗？此操作不可恢复！',
        success: (res) => {
          if (res.confirm) {
            todoStorage.clearAllData();
            this.loadStats();
            wx.showToast({
              title: '数据已清空',
              icon: 'success'
            });
          }
        }
      });
    },

    // 重置设置
    resetSettings() {
      wx.showModal({
        title: '确认重置',
        content: '确定要重置所有设置吗？',
        success: (res) => {
          if (res.confirm) {
            this.setData({
              darkMode: false,
              notifications: true,
              autoBackup: true
            }, () => {
              this.saveSettings();
              wx.showToast({
                title: '设置已重置',
                icon: 'success'
              });
            });
          }
        }
      });
    },

    // 显示关于对话框
    showAbout() {
      this.setData({ showAboutDialog: true });
    },

    // 隐藏关于对话框
    hideAbout() {
      this.setData({ showAboutDialog: false });
    },

    // 隐藏备份对话框
    hideBackup() {
      this.setData({ showBackupDialog: false });
    },

    // 复制备份数据
    copyBackupData() {
      wx.setClipboardData({
        data: this.data.backupData,
        success: () => {
          wx.showToast({
            title: '备份数据已复制',
            icon: 'success'
          });
        }
      });
    },

    // 标签页切换
    onTabChange(e: any) {
      const targetPage = e.detail.value;
      if (targetPage === 'home') {
        wx.switchTab({ url: '/pages/index/index' });
      } else if (targetPage === 'list') {
        wx.switchTab({ url: '/pages/list/list' });
      } else if (targetPage === 'statistics') {
        wx.switchTab({ url: '/pages/statistics/statistics' });
      }
    },

    // 联系开发者
    contactDeveloper() {
      wx.showModal({
        title: '联系开发者',
        content: '如有问题或建议，请通过以下方式联系：\n\n邮箱：developer@example.com\n微信：developer_wechat',
        showCancel: false
      });
    },

    // 检查更新
    checkUpdate() {
      wx.showToast({
        title: '已是最新版本',
        icon: 'success'
      });
    },

    // 给应用评分
    rateApp() {
      wx.showModal({
        title: '给应用评分',
        content: '感谢您的使用！请在应用商店给Pure Todo一个好评吧！',
        showCancel: false
      });
    }
  }
});