/**
 * 二维码管理 Mixin
 * 二维码刷新逻辑在渲染层处理，主进程只负责执行获取二维码的操作
 */
export default {
  data() {
    return {
      qrCodeAutoRefreshInterval: null, // 二维码自动刷新定时器
      qrCodeCountdownInterval: null, // 倒计时定时器
    };
  },
  computed: {
    qrCodeUrl() {
      return this.$store ? this.$store.state.qrCode.qrCodeUrl : null;
    },
    qrCodeCountdown() {
      return this.$store ? this.$store.state.qrCode.qrCodeCountdown : 0;
    },
    qrCodeCountdownActive() {
      return this.$store ? this.$store.state.qrCode.qrCodeCountdownActive : false;
    },
    qrCodeExpired() {
      return this.$store ? this.$store.state.qrCode.qrCodeExpired : false;
    },
    qrCodeRefreshCount() {
      return this.$store ? this.$store.state.qrCode.qrCodeRefreshCount : 0;
    },
    isPlatformLoggedIn() {
      return this.$store ? this.$store.state.platform.isPlatformLoggedIn : false;
    }
  },
  methods: {
    /**
     * 获取二维码
     */
    async getQrCode() {
      try {
        if (!window.electronAPI || !window.electronAPI.invoke) {
          console.error('[二维码] electronAPI 不可用');
          return;
        }

        const result = await window.electronAPI.invoke('command:execute', {
          platform: 'boss',
          action: 'get_login_qr_code',
          data: { type: 'app' },
          source: 'renderer'
        });

        if (result.success && result.data) {
          const qrCodeUrl = result.data.qrCodeUrl || result.data.qr_code_url || result.data.oos_url || result.data.imageData;
          const qrCodeOosUrl = result.data.qrCodeOosUrl || result.data.oos_url || null;
          
          if (qrCodeUrl && this.$store) {
            this.$store.dispatch('qrCode/setQrCode', { url: qrCodeUrl, oosUrl: qrCodeOosUrl });
            if (this.addLog) {
              this.addLog('success', '二维码已获取');
            }
            return true;
          }
        } else {
          console.error('[二维码] 获取失败:', result.error || '未知错误');
          if (this.addLog) {
            this.addLog('error', `获取二维码失败: ${result.error || '未知错误'}`);
          }
        }
      } catch (error) {
        console.error('[二维码] 获取失败:', error);
        if (this.addLog) {
          this.addLog('error', `获取二维码失败: ${error.message}`);
        }
      }
      return false;
    },

    /**
     * 启动二维码自动刷新
     */
    startQrCodeAutoRefresh() {
      // 如果定时器已存在，不重复启动
      if (this.qrCodeAutoRefreshInterval) {
        return;
      }

      // 如果平台已登录，不启动自动刷新
      if (this.isPlatformLoggedIn) {
        return;
      }

      const QR_CODE_REFRESH_INTERVAL = 25000; // 25秒
      const MAX_REFRESH_COUNT = 3; // 最大刷新次数

      // 重置刷新次数
      if (this.$store) {
        this.$store.dispatch('qrCode/setQrCodeCountdown', {
          countdown: 25,
          isActive: true,
          refreshCount: 0,
          isExpired: false
        });
      }

      // 立即获取一次二维码
      this.getQrCode();

      // 启动定时器，每25秒刷新一次
      this.qrCodeAutoRefreshInterval = setInterval(async () => {
        // 检查平台登录状态
        if (this.isPlatformLoggedIn) {
          this.stopQrCodeAutoRefresh();
          return;
        }

        // 检查刷新次数
        const refreshCount = this.qrCodeRefreshCount;
        if (refreshCount >= MAX_REFRESH_COUNT) {
          // 已达到最大次数
          if (this.$store) {
            this.$store.dispatch('qrCode/setQrCodeCountdown', {
              countdown: 0,
              isActive: false,
              refreshCount: refreshCount,
              isExpired: true
            });
          }
          this.stopQrCodeAutoRefresh();
          return;
        }

        // 刷新二维码
        const success = await this.getQrCode();
        if (success) {
          // 更新刷新次数
          if (this.$store) {
            this.$store.dispatch('qrCode/setQrCodeCountdown', {
              countdown: 25,
              isActive: true,
              refreshCount: refreshCount + 1,
              isExpired: false
            });
          }
        }
      }, QR_CODE_REFRESH_INTERVAL);

      // 启动倒计时
      this.startQrCodeCountdown();
    },

    /**
     * 停止二维码自动刷新
     */
    stopQrCodeAutoRefresh() {
      if (this.qrCodeAutoRefreshInterval) {
        clearInterval(this.qrCodeAutoRefreshInterval);
        this.qrCodeAutoRefreshInterval = null;
      }
      this.stopQrCodeCountdown();
      
      if (this.$store) {
        this.$store.dispatch('qrCode/setQrCodeCountdown', {
          countdown: 0,
          isActive: false,
          refreshCount: this.qrCodeRefreshCount,
          isExpired: this.qrCodeExpired
        });
      }
    },

    /**
     * 启动二维码倒计时
     */
    startQrCodeCountdown() {
      // 如果倒计时定时器已存在，不重复启动
      if (this.qrCodeCountdownInterval) {
        return;
      }

      // 每秒更新一次倒计时
      this.qrCodeCountdownInterval = setInterval(() => {
        if (this.qrCodeCountdownActive && this.qrCodeCountdown > 0) {
          const newCountdown = this.qrCodeCountdown - 1;
          if (this.$store) {
            this.$store.dispatch('qrCode/setQrCodeCountdown', {
              countdown: newCountdown,
              isActive: true,
              refreshCount: this.qrCodeRefreshCount,
              isExpired: false
            });
          }
        } else {
          // 倒计时结束
          this.stopQrCodeCountdown();
        }
      }, 1000);
    },

    /**
     * 停止二维码倒计时
     */
    stopQrCodeCountdown() {
      if (this.qrCodeCountdownInterval) {
        clearInterval(this.qrCodeCountdownInterval);
        this.qrCodeCountdownInterval = null;
      }
    },
  },
  watch: {
    // 监听平台登录状态，如果已登录则停止刷新
    isPlatformLoggedIn(newVal) {
      if (newVal) {
        this.stopQrCodeAutoRefresh();
      }
    }
  },
  beforeUnmount() {
    // 组件销毁时清理定时器
    this.stopQrCodeAutoRefresh();
  }
};