{% extends "base.html" %}

{% block title %}资源监控 - 机器人管理后台{% endblock %}

{% block content %}
<div class="page-shell system-page">
    <div class="page-hero">
        <div class="page-hero-copy">
            <div class="page-eyebrow">System Workspace</div>
            <h1>资源监控</h1>
            <p>直接在后台查看系统资源变化与运行状态，保持监控入口简洁清晰。</p>
            <div class="md2img-health-inline" v-loading="md2imgLoading">
                <span class="health-title">转图运行时</span>
                <el-tag size="mini" :type="runtimeTagType">{% raw %}{{ runtimeTagText }}{% endraw %}</el-tag>
                <el-tag size="mini" :type="browserTagType">{% raw %}{{ browserTagText }}{% endraw %}</el-tag>
                <span class="health-brief">{% raw %}{{ md2imgBrief }}{% endraw %}</span>
                <span class="health-time" v-if="md2imgHealth && md2imgHealth.timestamp">
                    {% raw %}{{ md2imgHealth.timestamp }}{% endraw %}
                </span>
            </div>
        </div>
        <div class="page-hero-actions">
            <el-button type="success" plain :loading="md2imgWarming" @click="warmupMd2Img">
                <i class="el-icon-magic-stick"></i> 预热转图
            </el-button>
            <el-button type="info" plain :loading="md2imgLoading" @click="loadMd2ImgHealth">
                <i class="el-icon-refresh"></i> 刷新转图状态
            </el-button>
            <el-button type="primary" plain @click="reloadIframe"><i class="el-icon-refresh"></i> 刷新面板</el-button>
            <el-button type="primary" @click="openInNewTab"><i class="el-icon-top-right"></i> 新窗口打开</el-button>
            <el-button type="danger" @click="confirmRestart"><i class="el-icon-refresh-left"></i> 重启服务</el-button>
        </div>
    </div>

    <el-card class="iframe-shell-card" shadow="hover">
        <div slot="header" class="workspace-header">
            <div>
                <h3>监控面板</h3>
                <p>直接在控制台内查看系统资源变化与运行状态。</p>
            </div>
            <div class="iframe-url">{{ src_url }}</div>
        </div>
        <div class="iframe-shell">
            <iframe ref="monitorFrame" src="{{ src_url }}" frameborder="0"></iframe>
        </div>
    </el-card>
</div>
{% endblock %}

{% block scripts %}
<script>
    new Vue({
        el: '#app',
        mixins: [baseApp],
        data() {
            return {
                currentView: '14',
                frameUrl: '{{ src_url }}',
                restarting: false,
                md2imgLoading: false,
                md2imgWarming: false,
                md2imgHealth: null
            }
        },
        computed: {
            runtimeTagText() {
                const runtime = this.md2imgHealth && this.md2imgHealth.runtime ? this.md2imgHealth.runtime : {};
                return runtime.loop_running ? '运行时在线' : '运行时未就绪';
            },
            runtimeTagType() {
                const runtime = this.md2imgHealth && this.md2imgHealth.runtime ? this.md2imgHealth.runtime : {};
                return runtime.loop_running ? 'success' : 'warning';
            },
            browserTagText() {
                const browser = this.md2imgHealth && this.md2imgHealth.browser ? this.md2imgHealth.browser : {};
                return browser.connected ? '浏览器已连接' : '浏览器未连接';
            },
            browserTagType() {
                const browser = this.md2imgHealth && this.md2imgHealth.browser ? this.md2imgHealth.browser : {};
                return browser.connected ? 'success' : 'info';
            },
            md2imgBrief() {
                if (!this.md2imgHealth) return '尚未获取状态';
                const runtime = this.md2imgHealth.runtime || {};
                const browser = this.md2imgHealth.browser || {};
                const loopText = runtime.loop_id ? `loop=${runtime.loop_id}` : 'loop=-';
                const pidText = browser.pid ? `pid=${browser.pid}` : 'pid=-';
                const sourceText = browser.launch_source ? `source=${browser.launch_source}` : 'source=-';
                return `${loopText} · ${pidText} · ${sourceText}`;
            }
        },
        mounted() {
            this.currentView = '14';
            this.loadMd2ImgHealth();
        },
        methods: {
            reloadIframe() {
                if (this.$refs.monitorFrame) {
                    this.$refs.monitorFrame.src = this.frameUrl;
                }
            },
            openInNewTab() {
                window.open(this.frameUrl, '_blank');
            },
            confirmRestart() {
                this.$confirm('确认执行 ./restart.sh 重启服务吗？这会中断当前服务几秒钟。', '重启确认', {
                    confirmButtonText: '确认重启',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => {
                    this.triggerRestart();
                }).catch(() => {});
            },
            async triggerRestart() {
                if (this.restarting) return;
                this.restarting = true;
                try {
                    const response = await axios.post('/api/restart_service');
                    if (response.data.success) {
                        this.$message.success(response.data.message || '已触发重启');
                    } else {
                        this.$message.error(response.data.message || '重启失败');
                    }
                } catch (error) {
                    this.$message.error(error.response?.data?.message || '触发重启失败');
                } finally {
                    this.restarting = false;
                }
            },
            async loadMd2ImgHealth() {
                if (this.md2imgLoading) return;
                this.md2imgLoading = true;
                try {
                    // 默认不强制拉起 runtime，避免纯查看状态时引入副作用。
                    const response = await axios.get('/api/system/md2img_health');
                    if (response.data && response.data.success) {
                        this.md2imgHealth = response.data.data || null;
                    } else {
                        this.$message.error(response.data?.message || '获取转图状态失败');
                    }
                } catch (error) {
                    this.$message.error(error.response?.data?.message || '获取转图状态失败');
                } finally {
                    this.md2imgLoading = false;
                }
            },
            async warmupMd2Img() {
                if (this.md2imgWarming) return;
                this.md2imgWarming = true;
                try {
                    const response = await axios.post('/api/system/md2img_warmup', { timeout_seconds: 60 });
                    if (response.data && response.data.success) {
                        this.$message.success(response.data.message || '转图预热成功');
                        this.md2imgHealth = response.data.data || this.md2imgHealth;
                    } else {
                        this.$message.error(response.data?.message || '转图预热失败');
                    }
                } catch (error) {
                    this.$message.error(error.response?.data?.message || '转图预热失败');
                } finally {
                    this.md2imgWarming = false;
                    this.loadMd2ImgHealth();
                }
            }
        }
    });
</script>

<style>
    .page-shell { display: flex; flex-direction: column; gap: 16px; }
    .page-hero {
        display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; padding: 24px 26px; border-radius: 24px;
        background: linear-gradient(135deg, rgba(79,70,229,0.10), rgba(59,130,246,0.08), rgba(255,255,255,0.9));
        border: 1px solid rgba(148, 163, 184, 0.16); box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
    }
    .page-hero-actions { display: flex; align-items: center; gap: 12px; }
    .page-eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: #6366f1; font-weight: 700; margin-bottom: 8px; }
    .page-hero-copy h1 { font-size: 30px; line-height: 1.1; margin-bottom: 10px; color: #0f172a; }
    .page-hero-copy p { color: #64748b; font-size: 14px; }
    .md2img-health-inline {
        margin-top: 12px;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
        padding: 8px 10px;
        border-radius: 12px;
        background: rgba(255,255,255,0.72);
        border: 1px solid rgba(148, 163, 184, 0.18);
    }
    .health-title { font-size: 12px; font-weight: 700; color: #334155; }
    .health-brief { font-size: 12px; color: #475569; }
    .health-time { font-size: 12px; color: #94a3b8; }
    .workspace-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .workspace-header h3 { font-size: 18px; margin-bottom: 4px; }
    .workspace-header p { font-size: 13px; color: #64748b; }
    .iframe-url {
        max-width: 40%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px;
        color: #94a3b8; padding: 8px 12px; border-radius: 999px; background: rgba(248,250,252,0.9); border: 1px solid rgba(148,163,184,0.12);
    }
    .iframe-shell-card { height: calc(100vh - 230px); }
    .iframe-shell-card .el-card__body { height: calc(100% - 73px); }
    .iframe-shell { height: 100%; border-radius: 18px; overflow: hidden; border: 1px solid rgba(148,163,184,0.12); background: rgba(248,250,252,0.82); }
    .iframe-shell iframe { width: 100%; height: 100%; border: none; display: block; background: #fff; }
    @media (max-width: 960px) {
        .page-hero { flex-direction: column; align-items: flex-start; }
        .workspace-header { flex-direction: column; align-items: flex-start; }
        .page-hero-actions { flex-wrap: wrap; }
        .iframe-url { max-width: 100%; }
        .md2img-health-inline { width: 100%; }
    }
</style>
{% endblock %}