<template>
    <div>
        <el-row>
            <el-col :md="12">
                <div class="source">
                    <el-form label-position="left" class="server_info">
                        <el-form-item label="Version">
                          <span>{{ version }}</span>
                        </el-form-item>
                        <el-form-item label="BindPort">
                          <span>{{ bind_port }}</span>
                        </el-form-item>
                        <el-form-item label="BindUdpPort">
                          <span>{{ bind_udp_port }}</span>
                        </el-form-item>
                        <el-form-item label="Http Port">
                          <span>{{ vhost_http_port }}</span>
                        </el-form-item>
                        <el-form-item label="Https Port">
                          <span>{{ vhost_https_port }}</span>
                        </el-form-item>
                        <el-form-item label="Subdomain Host">
                          <span>{{ subdomain_host }}</span>
                        </el-form-item>
                        <el-form-item label="Max PoolCount">
                          <span>{{ max_pool_count }}</span>
                        </el-form-item>
                        <el-form-item label="Max Ports Per Client">
                          <span>{{ max_ports_per_client }}</span>
                        </el-form-item>
                        <el-form-item label="HeartBeat Timeout">
                          <span>{{ heart_beat_timeout }}</span>
                        </el-form-item>
                        <el-form-item label="Client Counts">
                          <span>{{ client_counts }}</span>
                        </el-form-item>
                        <el-form-item label="Current Connections">
                          <span>{{ cur_conns }}</span>
                        </el-form-item>
                        <el-form-item label="Proxy Counts">
                          <span>{{ proxy_counts }}</span>
                        </el-form-item>
                    </el-form>
                </div>
            </el-col>
            <el-col :md="12">
                <div id="traffic" style="width: 400px;height:250px;margin-bottom: 30px;"></div>
                <div id="proxies" style="width: 400px;height:250px;"></div>
            </el-col>
        </el-row>
    </div>
</template>

<script>
    import {DrawTrafficChart, DrawProxyChart} from '../utils/chart.js'
    export default {
        data() {
            return {
                version: '',
                bind_port: '',
                bind_udp_port: '',
                vhost_http_port: '',
                vhost_https_port: '',
                subdomain_host: '',
                max_pool_count: '',
                max_ports_per_client: '',
                heart_beat_timeout: '',
                client_counts: '',
                cur_conns: '',
                proxy_counts: ''
            }
        },
        created() {
            this.fetchData()
        },
        watch: {
            '$route': 'fetchData'
        },
        methods: {
            fetchData() {
                fetch('/api/serverinfo', {credentials: 'include'})
              .then(res => {
                return res.json()
              }).then(json => {
                this.version = json.version
                this.bind_port = json.bind_port
                this.bind_udp_port = json.bind_udp_port
                if (this.bind_udp_port == 0) {
                    this.bind_udp_port = "disable"
                }
                this.vhost_http_port = json.vhost_http_port
                if (this.vhost_http_port == 0) {
                    this.vhost_http_port = "disable"
                }
                this.vhost_https_port = json.vhost_https_port
                if (this.vhost_https_port == 0) {
                    this.vhost_https_port = "disable"
                }
                this.subdomain_host = json.subdomain_host
                this.max_pool_count = json.max_pool_count
                this.max_ports_per_client = json.max_ports_per_client
                if (this.max_ports_per_client == 0) {
                    this.max_ports_per_client = "no limit"
                }
                this.heart_beat_timeout = json.heart_beat_timeout
                this.client_counts = json.client_counts
                this.cur_conns = json.cur_conns
                this.proxy_counts = 0
                if (json.proxy_type_count != null) {
                    if (json.proxy_type_count.tcp != null) {
                        this.proxy_counts += json.proxy_type_count.tcp
                    }
                    if (json.proxy_type_count.udp != null) {
                        this.proxy_counts += json.proxy_type_count.udp
                    }
                    if (json.proxy_type_count.http != null) {
                        this.proxy_counts += json.proxy_type_count.http
                    }
                    if (json.proxy_type_count.https != null) {
                        this.proxy_counts += json.proxy_type_count.https
                    }
                    if (json.proxy_type_count.stcp != null) {
                        this.proxy_counts += json.proxy_type_count.stcp
                    }
                    if (json.proxy_type_count.xtcp != null) {
                        this.proxy_counts += json.proxy_type_count.xtcp
                    }
                }
                DrawTrafficChart('traffic', json.total_traffic_in, json.total_traffic_out)
                DrawProxyChart('proxies', json)
              }).catch( err => {
                  this.$message({
                      showClose: true,
                      message: 'Get server info from frps failed!',
                      type: 'warning'
                    })
              })
            }
        }
    }
</script>

<style>
.source {
    border: 1px solid #eaeefb;
    border-radius: 4px;
    transition: .2s;
    padding: 24px;
}

.server_info {
    margin-left: 40px;
    font-size: 0px;
}

.server_info label {
    width: 150px;
    color: #99a9bf;
}

.server_info .el-form-item {
    margin-right: 0;
    margin-bottom: 0;
    width: 100%;
}
</style>
