<template>
  <div :class="classObj" class="app-wrapper" :style="{'--current-color': theme}">
    <div v-if="device==='mobile'&&sidebar.opened" class="drawer-bg" @click="handleClickOutside"/>
    <sidebar v-if="!sidebar.hide" class="sidebar-container"/>
    <div :class="{hasTagsView:needTagsView,sidebarHide:sidebar.hide}" class="main-container">
      <div :class="{'fixed-header':fixedHeader}">
        <navbar/>
        <tags-view v-if="needTagsView"/>
      </div>
      <app-main/>
      <right-panel>
        <settings/>
      </right-panel>
    </div>
    <el-dialog :title="title" :visible.sync="showChangePasswordDialog" width="30%" :close-on-click-modal="false"
               :show-close="false"
    >
      <el-form ref="form" :model="user" :rules="rules" label-width="80px">
        <el-form-item label="旧密码" prop="oldPassword">
          <el-input v-model="user.oldPassword" placeholder="请输入旧密码" type="password" show-password/>
        </el-form-item>
        <el-form-item label="新密码" prop="newPassword">
          <el-input v-model="user.newPassword" placeholder="请输入新密码" type="password" show-password/>
        </el-form-item>
        <el-form-item label="确认密码" prop="confirmPassword">
          <el-input v-model="user.confirmPassword" placeholder="请确认新密码" type="password" show-password/>
        </el-form-item>
<!--        <el-form-item>
          <el-button type="primary" size="mini" @click="submit">保存</el-button>
          <el-button type="danger" size="mini" @click="close">关闭</el-button>
        </el-form-item>-->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submit">确 定</el-button>
        <el-button @click="close">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import RightPanel from '@/components/RightPanel'
import { AppMain, Navbar, Settings, Sidebar, TagsView } from './components'
import ResizeMixin from './mixin/ResizeHandler'
import { mapState } from 'vuex'
import variables from '@/assets/styles/variables.scss'
import { validateNewPassword } from '@/utils/validate'
import { updateUserPwd, checkPasswordStatus } from '@/api/system/user'
import {MessageBox} from "element-ui";

export default {
  name: 'Layout',
  data() {
    const equalToPassword = (rule, value, callback) => {
      if (this.user.newPassword !== value) {
        callback(new Error('两次输入的密码不一致'))
      } else {
        callback()
      }
    }
    return {
      showChangePasswordDialog: false, // 控制弹窗显示
      title: '',
      user: {
        oldPassword: undefined,
        newPassword: undefined,
        confirmPassword: undefined
      },
      // 表单校验规则
      rules: {
        oldPassword: [
          { required: true, message: '旧密码不能为空', trigger: 'blur' }
        ],
        newPassword: [
          { required: true, message: '新密码不能为空', trigger: 'blur' },
          { validator: validateNewPassword, trigger: 'blur' }
        ],
        confirmPassword: [
          { required: true, message: '确认密码不能为空', trigger: 'blur' },
          { required: true, validator: equalToPassword, trigger: 'blur' }
        ]
      },
      socket: null,
      wsUrl: 'ws://localhost:18082/ws', // WebSocket 端点
      isConnected: false, // 连接状态
      reconnectInterval: 5000 // 自动重连时间间隔（毫秒

    }
  },
  components: {
    AppMain,
    Navbar,
    RightPanel,
    Settings,
    Sidebar,
    TagsView
  },
  mixins: [ResizeMixin],
  computed: {
    ...mapState({
      theme: state => state.settings.theme,
      sideTheme: state => state.settings.sideTheme,
      sidebar: state => state.app.sidebar,
      device: state => state.app.device,
      needTagsView: state => state.settings.tagsView,
      fixedHeader: state => state.settings.fixedHeader,
      roles: state => state.user.roles,
    }),
    classObj() {
      return {
        hideSidebar: !this.sidebar.opened,
        openSidebar: this.sidebar.opened,
        withoutAnimation: this.sidebar.withoutAnimation,
        mobile: this.device === 'mobile'
      }
    },
    variables() {
      return variables
    }
  },
  created() {
    this.checkPasswordStatus()
    if (this.roles.includes("audit") || this.roles.includes("systemAdmin")) {
      this.connectWebSocket();
    }
  },
  methods: {
    checkPasswordStatus() {
      checkPasswordStatus().then(response => {
        if (response.code === 200) {
          this.showChangePasswordDialog = response.data
          this.title = response.msg
        }
      })
    },
    handleClickOutside() {
      this.$store.dispatch('app/closeSideBar', { withoutAnimation: false })
    },
    submit() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          updateUserPwd(this.user.oldPassword, this.user.newPassword).then(response => {
            this.showChangePasswordDialog = false
            this.$modal.msgSuccess('修改成功')
          })
        }
      })
    },
    close() {
      this.$store.dispatch('LogOut').then(() => {
        location.href = '/index';
      })
    },

    // 连接 WebSocket
    connectWebSocket() {
      if (this.socket) {
        console.log("WebSocket 已连接");
        return;
      }

      this.socket = new WebSocket(this.wsUrl);

      // 监听 WebSocket 连接成功事件
      this.socket.onopen = () => {
        console.log("WebSocket 连接成功");
        this.isConnected = true;
      };

      // 接收消息
      this.socket.onmessage = (event) => {
        console.log("收到消息:", event.data);
        const warning = JSON.parse(event.data);
        this.handleWarning(warning);
      };

      // 监听连接关闭事件
      this.socket.onclose = () => {
        console.log("WebSocket 连接已关闭");
        this.isConnected = false;
        this.socket = null;
        // 自动重连
        this.reconnectWebSocket();
      };

      // 监听连接错误事件
      this.socket.onerror = (error) => {
        console.error("WebSocket 错误:", error);
        this.isConnected = false;
        this.socket = null;
        // 自动重连
        this.reconnectWebSocket();
      };
    },

    // 自动重连 WebSocket
    reconnectWebSocket() {
      console.log("尝试重新连接 WebSocket...");
      setTimeout(() => {
        this.connectWebSocket();
      }, this.reconnectInterval);
    },

    // 处理告警信息并显示弹窗
    handleWarning(warning) {
      console.log(warning)
      // const formattedTime = new Date(warning.warningTime).toLocaleString();
      // 弹出告警信息
      MessageBox.alert(
          `
        <p><strong>操作人：</strong>${warning.operaUserName}</p>
        <p><strong>事件：</strong>${warning.warningEvent}</p>
        <p><strong>IP：</strong>${warning.warningIp}</p>
        <p><strong>时间：</strong>${warning.warningTime}</p>
        `,
          '告警通知',
          {
            dangerouslyUseHTMLString: true,
            confirmButtonText: '确认',
            callback: () => {
              this.notifyBackend(warning.warningId);
            }
          }
      );
    },

    // 通知后端告警已处理
    notifyBackend(warningId) {
      if (this.socket && this.socket.readyState === WebSocket.OPEN) {
        const message = {
          warningId,
        };
        this.socket.send(warningId);
        console.log(`已通知后端处理告警: ${warningId}`);
      }
    }
  },
  beforeDestroy() {
    // 页面销毁时关闭 WebSocket 连接
    if (this.socket) {
      this.socket.close();
    }

  }
}
</script>

<style lang="scss" scoped>
@import "~@/assets/styles/mixin.scss";
@import "~@/assets/styles/variables.scss";

.app-wrapper {
  @include clearfix;
  position: relative;
  height: 100%;
  width: 100%;

  &.mobile.openSidebar {
    position: fixed;
    top: 0;
  }
}

.drawer-bg {
  background: #000;
  opacity: 0.3;
  width: 100%;
  top: 0;
  height: 100%;
  position: absolute;
  z-index: 999;
}

.fixed-header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 9;
  width: calc(100% - #{$base-sidebar-width});
  transition: width 0.28s;
}

.hideSidebar .fixed-header {
  width: calc(100% - 54px);
}

.sidebarHide .fixed-header {
  width: 100%;
}

.mobile .fixed-header {
  width: 100%;
}
</style>
