{% 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>系统控制台</h1>
            <p>把监控和全局 LLM 配置集中到同一页，减少来回切换。</p>
        </div>
        <div class="page-hero-actions">
            <el-button type="danger" @click="confirmRestart"><i class="el-icon-refresh-left"></i> 重启服务</el-button>
        </div>
    </div>

    <el-tabs v-model="activeTab" class="system-tabs">
        <el-tab-pane label="监控面板" name="monitor">
            <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="page-hero-actions">
                        <div class="iframe-url">{{ src_url }}</div>
                        <el-button type="primary" plain size="mini" @click="reloadIframe"><i class="el-icon-refresh"></i> 刷新</el-button>
                        <el-button type="primary" size="mini" @click="openInNewTab"><i class="el-icon-top-right"></i> 新窗口打开</el-button>
                    </div>
                </div>
                <div class="iframe-shell">
                    <iframe ref="monitorFrame" src="{{ src_url }}" frameborder="0"></iframe>
                </div>
            </el-card>
        </el-tab-pane>

        <el-tab-pane label="全局配置" name="llm">
            <el-card class="workspace-card" shadow="hover">
                <div slot="header" class="workspace-header">
                    <div>
                        <h3>全局 LLM 配置</h3>
                        <p>用表单统一管理 `config.yaml` 中的 `llm.backends`，插件只引用后端名。</p>
                    </div>
                    <div class="page-hero-actions">
                        <el-button size="mini" plain @click="loadLlmConfig">刷新</el-button>
                        <el-button size="mini" @click="addBackend">新增后端</el-button>
                        <el-button size="mini" type="success" @click="saveLlmConfig">保存配置</el-button>
                    </div>
                </div>

                <div class="config-meta" v-if="configPath">
                    <span>配置文件：{% raw %}{{ configPath }}{% endraw %}</span>
                    <span>后端数量：{% raw %}{{ llmForm.backends.length }}{% endraw %}</span>
                </div>

                <el-form label-width="110px" class="llm-form">
                    <el-form-item label="默认后端">
                        <el-select v-model="llmForm.default_backend" placeholder="请选择默认后端" filterable clearable style="width: 360px;">
                            <el-option
                                v-for="item in backendNameOptions"
                                :key="item"
                                :label="item"
                                :value="item">
                            </el-option>
                        </el-select>
                    </el-form-item>
                </el-form>

                <div class="backend-list" v-if="llmForm.backends.length">
                    <el-card
                        v-for="(backend, index) in llmForm.backends"
                        :key="backend.uid"
                        class="backend-card"
                        shadow="never">
                        <div slot="header" class="backend-card-header">
                            <div>
                                <strong>{% raw %}{{ backend.name || `后端 ${index + 1}` }}{% endraw %}</strong>
                            </div>
                            <el-button type="text" class="danger-text" @click="removeBackend(index)">删除</el-button>
                        </div>

                        <el-form label-width="110px" class="backend-form">
                            <div class="backend-grid">
                                <el-form-item label="后端名称">
                                    <el-input v-model="backend.name" placeholder="例如：dify_workflow_chat"></el-input>
                                </el-form-item>
                                <el-form-item label="Provider">
                                    <el-select v-model="backend.provider" placeholder="请选择">
                                        <el-option label="dify" value="dify"></el-option>
                                        <el-option label="openai_compatible" value="openai_compatible"></el-option>
                                    </el-select>
                                </el-form-item>

                                <el-form-item label="Mode">
                                    <el-select v-model="backend.mode" placeholder="请选择" clearable>
                                        <el-option label="workflow" value="workflow"></el-option>
                                        <el-option label="chat" value="chat"></el-option>
                                        <el-option label="completion" value="completion"></el-option>
                                    </el-select>
                                </el-form-item>
                                <el-form-item label="模型">
                                    <el-input v-model="backend.model" placeholder="例如：gpt-5.4"></el-input>
                                </el-form-item>

                                <el-form-item label="API Base URL">
                                    <el-input v-model="backend.api_base_url" placeholder="例如：http://127.0.0.1:3000/v1"></el-input>
                                </el-form-item>
                                <el-form-item label="API URL">
                                    <el-input v-model="backend.api_url" placeholder="完整地址，和 Base URL 二选一"></el-input>
                                </el-form-item>

                                <el-form-item label="Endpoint">
                                    <el-input v-model="backend.endpoint" placeholder="例如：chat/completions"></el-input>
                                </el-form-item>
                                <el-form-item label="API Key">
                                    <el-input v-model="backend.api_key" placeholder="请输入 API Key" show-password></el-input>
                                </el-form-item>

                                <el-form-item label="响应模式">
                                    <el-select v-model="backend.response_mode" placeholder="请选择" clearable>
                                        <el-option label="blocking" value="blocking"></el-option>
                                        <el-option label="streaming" value="streaming"></el-option>
                                    </el-select>
                                </el-form-item>
                                <el-form-item label="输出字段">
                                    <el-input v-model="backend.workflow_output_key" placeholder="例如：text"></el-input>
                                </el-form-item>

                                <el-form-item label="超时(秒)">
                                    <el-input-number v-model="backend.timeout_seconds" :min="1" :step="1"></el-input-number>
                                </el-form-item>
                                <el-form-item label="请求超时">
                                    <el-input-number v-model="backend.request_timeout" :min="1" :step="1"></el-input-number>
                                </el-form-item>

                                <el-form-item label="温度">
                                    <el-input-number v-model="backend.temperature" :min="0" :max="2" :step="0.05"></el-input-number>
                                </el-form-item>
                                <el-form-item label="Max Tokens">
                                    <el-input-number v-model="backend.max_tokens" :min="1" :step="1"></el-input-number>
                                </el-form-item>

                                <el-form-item label="最大重试">
                                    <el-input-number v-model="backend.max_retries" :min="1" :step="1"></el-input-number>
                                </el-form-item>
                                <el-form-item label="重试间隔">
                                    <el-input-number v-model="backend.retry_delay_seconds" :min="0" :step="0.5"></el-input-number>
                                </el-form-item>
                            </div>

                            <div class="backend-switches">
                                <el-switch v-model="backend.stream" active-text="Stream"></el-switch>
                            </div>
                        </el-form>
                    </el-card>
                </div>

                <el-empty v-else description="暂无后端配置，先新增一个"></el-empty>
            </el-card>
        </el-tab-pane>
    </el-tabs>
</div>
{% endblock %}

{% block scripts %}
<script>
    new Vue({
        el: '#app',
        mixins: [baseApp],
        data() {
            return {
                currentView: '14',
                activeTab: 'monitor',
                frameUrl: '{{ src_url }}',
                restarting: false,
                configPath: '',
                llmForm: {
                    default_backend: '',
                    backends: []
                }
            }
        },
        computed: {
            backendNameOptions() {
                return (this.llmForm.backends || [])
                    .map(item => item.name)
                    .filter(Boolean);
            }
        },
        mounted() {
            this.currentView = '14';
            this.loadLlmConfig();
        },
        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;
                }
            },
            newBackend() {
                return {
                    uid: `${Date.now()}_${Math.random().toString(36).slice(2, 8)}`,
                    name: '',
                    provider: 'dify',
                    mode: '',
                    model: '',
                    api_base_url: '',
                    api_url: '',
                    endpoint: '',
                    api_key: '',
                    response_mode: '',
                    workflow_output_key: '',
                    timeout_seconds: 60,
                    request_timeout: 60,
                    temperature: 0.7,
                    max_tokens: 1024,
                    max_retries: 3,
                    retry_delay_seconds: 1.0,
                    stream: false
                };
            },
            normalizeBackend(item) {
                return {
                    uid: `${Date.now()}_${Math.random().toString(36).slice(2, 8)}`,
                    name: item.name || '',
                    provider: item.provider || 'dify',
                    mode: item.mode || '',
                    model: item.model || '',
                    api_base_url: item.api_base_url || '',
                    api_url: item.api_url || '',
                    endpoint: item.endpoint || '',
                    api_key: item.api_key || '',
                    response_mode: item.response_mode || '',
                    workflow_output_key: item.workflow_output_key || '',
                    timeout_seconds: item.timeout_seconds ?? 60,
                    request_timeout: item.request_timeout ?? 60,
                    temperature: item.temperature ?? 0.7,
                    max_tokens: item.max_tokens ?? 1024,
                    max_retries: item.max_retries ?? 3,
                    retry_delay_seconds: item.retry_delay_seconds ?? 1.0,
                    stream: !!item.stream
                };
            },
            addBackend() {
                this.llmForm.backends.push(this.newBackend());
            },
            removeBackend(index) {
                const removed = this.llmForm.backends[index];
                this.llmForm.backends.splice(index, 1);
                if (removed && removed.name && this.llmForm.default_backend === removed.name) {
                    this.llmForm.default_backend = '';
                }
            },
            async loadLlmConfig() {
                try {
                    const response = await axios.get('/api/system/llm_config');
                    if (response.data.success) {
                        const data = response.data.data || {};
                        this.configPath = data.config_path || '';
                        this.llmForm.default_backend = data.default_backend || '';
                        this.llmForm.backends = (data.backends || []).map(item => this.normalizeBackend(item));
                    } else {
                        this.$message.error(response.data.message || '读取全局 LLM 配置失败');
                    }
                } catch (error) {
                    this.$message.error(error.response?.data?.message || '读取全局 LLM 配置失败');
                }
            },
            async saveLlmConfig() {
                const payload = {
                    default_backend: this.llmForm.default_backend || '',
                    backends: (this.llmForm.backends || []).map(item => {
                        const cleaned = { ...item };
                        delete cleaned.uid;
                        return cleaned;
                    })
                };
                try {
                    const response = await axios.post('/api/system/llm_config', payload);
                    if (response.data.success) {
                        this.$message.success(response.data.message || '保存成功');
                        this.loadLlmConfig();
                    } else {
                        this.$message.error(response.data.message || '保存失败');
                    }
                } catch (error) {
                    this.$message.error(error.response?.data?.message || '保存失败');
                }
            }
        }
    });
</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; }
    .system-tabs { width: 100%; }
    .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 - 280px); }
    .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; }
    .workspace-card .el-card__body { display: flex; flex-direction: column; gap: 16px; }
    .config-meta { display: flex; justify-content: space-between; gap: 12px; color: #64748b; font-size: 12px; }
    .backend-list { display: flex; flex-direction: column; gap: 16px; }
    .backend-card { border-radius: 18px; border: 1px solid rgba(148,163,184,0.16); }
    .backend-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .backend-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(260px, 1fr));
        gap: 8px 16px;
    }
    .backend-switches { display: flex; align-items: center; gap: 16px; padding: 0 12px 8px; }
    .danger-text { color: #dc2626; }
    @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%; }
        .backend-grid { grid-template-columns: 1fr; }
    }
</style>
{% endblock %}