{% extends "base.html" %}

{% block title %}대시보드 - 팜큐 약국 관리 시스템{% endblock %}

{% block breadcrumb %}
<nav aria-label="breadcrumb">
    <ol class="breadcrumb">
        <li class="breadcrumb-item active">
            <i class="fas fa-tachometer-alt"></i> 대시보드
        </li>
    </ol>
</nav>
{% endblock %}

{% block content %}
<div class="row mb-4">
    <div class="col-12">
        <h1 class="h2 mb-0">
            <i class="fas fa-tachometer-alt text-primary"></i> 
            대시보드
        </h1>
        <p class="text-muted">팜큐 약국 네트워크 전체 현황</p>
    </div>
</div>

<!-- 통계 카드 -->
<div class="row mb-4">
    <div class="col-lg-3 col-md-6 mb-3">
        <div class="card stat-card">
            <div class="card-body text-center">
                <div class="stat-number" id="total-pharmacies">{{ stats.total_pharmacies }}</div>
                <div class="stat-label">
                    <i class="fas fa-store"></i> 총 약국 수
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-lg-3 col-md-6 mb-3">
        <div class="card" style="background: linear-gradient(135deg, #48bb78 0%, #38a169 100%); color: white;">
            <div class="card-body text-center">
                <div class="stat-number" id="online-machines" data-stat="online">{{ stats.online_machines }}</div>
                <div class="stat-label">
                    <i class="fas fa-circle text-success"></i> 온라인 머신
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-lg-3 col-md-6 mb-3">
        <div class="card" style="background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%); color: white;">
            <div class="card-body text-center">
                <div class="stat-number" id="offline-machines" data-stat="offline">{{ stats.offline_machines }}</div>
                <div class="stat-label">
                    <i class="fas fa-circle text-danger"></i> 오프라인 머신
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-lg-3 col-md-6 mb-3">
        <div class="card" style="background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%); color: white;">
            <div class="card-body text-center">
                <div class="stat-number" id="avg-temp">{{ stats.avg_cpu_temp }}°C</div>
                <div class="stat-label">
                    <i class="fas fa-thermometer-half"></i> 평균 CPU 온도
                </div>
            </div>
        </div>
    </div>
</div>

<!-- 구독 서비스 현황 -->
<div class="row mb-4">
    <div class="col-12">
        <div class="card">
            <div class="card-header d-flex justify-content-between align-items-center">
                <h5 class="mb-0">
                    <i class="fas fa-box text-success"></i> 구독 서비스 현황
                </h5>
                <a href="/subscriptions" class="btn btn-outline-success btn-sm">
                    <i class="fas fa-cog"></i> 관리하기
                </a>
            </div>
            <div class="card-body">
                <div class="row" id="subscription-stats">
                    <!-- 구독 통계가 여기에 로드됩니다 -->
                    <div class="col-12 text-center">
                        <div class="spinner-border text-primary" role="status">
                            <span class="visually-hidden">Loading...</span>
                        </div>
                    </div>
                </div>
                
                <!-- 서비스별 구독 현황 -->
                <div class="row mt-4" id="service-breakdown">
                    <!-- 서비스별 상세 정보가 여기에 로드됩니다 -->
                </div>
            </div>
        </div>
    </div>
</div>

<div class="row">
    <!-- 실시간 알림 -->
    <div class="col-lg-6 mb-4">
        <div class="card h-100">
            <div class="card-header d-flex justify-content-between align-items-center">
                <h5 class="mb-0">
                    <i class="fas fa-exclamation-triangle text-warning"></i> 실시간 알림
                </h5>
                <span class="badge bg-primary">{{ stats.alerts|length }}</span>
            </div>
            <div class="card-body">
                {% if stats.alerts %}
                    {% for alert in stats.alerts %}
                    <div class="alert-item p-3 mb-2 bg-light {% if alert.type == 'warning' %}alert-warning{% elif alert.type == 'danger' %}alert-danger{% endif %}">
                        <div class="d-flex justify-content-between align-items-center">
                            <div>
                                <strong>
                                    {% if alert.level == 'high_temperature' %}
                                        <i class="fas fa-thermometer-full text-danger"></i>
                                    {% elif alert.level == 'high_disk' %}
                                        <i class="fas fa-hdd text-warning"></i>
                                    {% else %}
                                        <i class="fas fa-exclamation-triangle"></i>
                                    {% endif %}
                                    {{ alert.machine.hostname }}
                                </strong>
                                <div class="small text-muted">{{ alert.message }}</div>
                            </div>
                            <div class="text-end">
                                <span class="badge bg-{{ alert.type }}">
                                    {{ alert.value }}{% if alert.level == 'high_temperature' %}°C{% else %}%{% endif %}
                                </span>
                            </div>
                        </div>
                    </div>
                    {% endfor %}
                {% else %}
                    <div class="text-center text-muted py-4">
                        <i class="fas fa-check-circle fa-3x mb-3 text-success"></i>
                        <p>모든 시스템이 정상 작동 중입니다.</p>
                    </div>
                {% endif %}
            </div>
        </div>
    </div>
    
    <!-- 성능 차트 -->
    <div class="col-lg-6 mb-4">
        <div class="card h-100">
            <div class="card-header">
                <h5 class="mb-0">
                    <i class="fas fa-chart-pie text-info"></i> 전체 성능 현황
                </h5>
            </div>
            <div class="card-body">
                <div class="row text-center">
                    <div class="col-6 mb-3">
                        <div class="position-relative">
                            <canvas id="cpuChart" width="100" height="100"></canvas>
                            <div class="position-absolute top-50 start-50 translate-middle">
                                <div class="fw-bold">{{ "%.1f"|format(stats.avg_cpu_temp) }}°C</div>
                                <div class="small text-muted">CPU</div>
                            </div>
                        </div>
                    </div>
                    <div class="col-6 mb-3">
                        <div class="position-relative">
                            <canvas id="memoryChart" width="100" height="100"></canvas>
                            <div class="position-absolute top-50 start-50 translate-middle">
                                <div class="fw-bold">75.0%</div>
                                <div class="small text-muted">메모리</div>
                            </div>
                        </div>
                    </div>
                    <div class="col-6">
                        <div class="position-relative">
                            <canvas id="diskChart" width="100" height="100"></canvas>
                            <div class="position-absolute top-50 start-50 translate-middle">
                                <div class="fw-bold">60.0%</div>
                                <div class="small text-muted">디스크</div>
                            </div>
                        </div>
                    </div>
                    <div class="col-6">
                        <div class="text-center">
                            <div class="display-4">🌡️</div>
                            <div class="fw-bold">{{ "%.1f"|format(stats.avg_cpu_temp) }}°C</div>
                            <div class="small text-muted">평균 온도</div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- 약국별 상태 -->
<div class="row">
    <div class="col-12">
        <div class="card">
            <div class="card-header d-flex justify-content-between align-items-center">
                <h5 class="mb-0">
                    <i class="fas fa-store text-primary"></i> 약국별 상태
                </h5>
                <a href="{{ url_for('pharmacy_list') }}" class="btn btn-outline-primary btn-sm">
                    <i class="fas fa-list"></i> 전체 보기
                </a>
            </div>
            <div class="card-body">
                {% if pharmacies %}
                <div class="table-responsive">
                    <table class="table table-hover">
                        <thead>
                            <tr>
                                <th>약국명</th>
                                <th>Headscale 사용자</th>
                                <th>사업자번호</th>
                                <th>연결된 머신</th>
                                <th>온라인 상태</th>
                                <th>액션</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for pharmacy_data in pharmacies %}
                            <tr>
                                <td>
                                    <strong>{{ pharmacy_data.pharmacy_name }}</strong><br>
                                    <small class="text-muted">{{ pharmacy_data.manager_name }}</small>
                                </td>
                                <td>
                                    <code class="text-primary">{{ pharmacy_data.headscale_user_name }}</code>
                                </td>
                                <td>{{ pharmacy_data.business_number }}</td>
                                <td>
                                    <span class="badge bg-info">{{ pharmacy_data.machine_count }}대</span>
                                </td>
                                <td>
                                    <div class="d-flex align-items-center">
                                        <div class="progress me-2" style="width: 100px; height: 8px;">
                                            <div class="progress-bar bg-success" 
                                                 style="width: {{ (pharmacy_data.online_count / pharmacy_data.machine_count * 100) if pharmacy_data.machine_count > 0 else 0 }}%"></div>
                                        </div>
                                        <small>{{ pharmacy_data.online_count }}/{{ pharmacy_data.machine_count }}</small>
                                    </div>
                                </td>
                                <td>
                                    <div class="btn-group btn-group-sm">
                                        <a href="{{ url_for('pharmacy_detail', pharmacy_id=pharmacy_data.id) }}" 
                                           class="btn btn-outline-primary">상세</a>
                                    </div>
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
                {% else %}
                <div class="text-center text-muted py-4">
                    <i class="fas fa-store fa-3x mb-3"></i>
                    <p>등록된 약국이 없습니다.</p>
                    <a href="{{ url_for('pharmacy_list') }}" class="btn btn-primary">
                        <i class="fas fa-plus"></i> 약국 등록하기
                    </a>
                </div>
                {% endif %}
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
// 성능 차트 생성
document.addEventListener('DOMContentLoaded', function() {
    createDoughnutChart('cpuChart', {{ stats.avg_cpu_temp }}, '온도', '#3b82f6');
    createDoughnutChart('memoryChart', 75, '메모리', '#10b981');
    createDoughnutChart('diskChart', 60, '디스크', '#f59e0b');
});

// 실시간 통계 업데이트
function updateStats() {
    fetch('/api/dashboard/stats')
        .then(response => response.json())
        .then(stats => {
            // 머신 상태 업데이트
            const onlineElement = document.querySelector('[data-stat="online"]');
            const offlineElement = document.querySelector('[data-stat="offline"]');
            const totalElement = document.querySelector('[data-stat="total"]');
            
            if (onlineElement) onlineElement.textContent = stats.online_machines;
            if (offlineElement) offlineElement.textContent = stats.offline_machines;
            if (totalElement) totalElement.textContent = stats.total_machines;
            
            // CPU 온도 차트 업데이트
            updateChartValue('cpuChart', stats.avg_cpu_temp);
        })
        .catch(error => console.error('Stats update failed:', error));
}

// 실시간 알림 업데이트
function updateAlerts() {
    fetch('/api/alerts')
        .then(response => response.json())
        .then(alerts => {
            // 알림 개수 업데이트
            const alertBadge = document.querySelector('.card-header .badge');
            if (alertBadge) {
                alertBadge.textContent = alerts.length;
            }
            
            // 새로운 알림이 있으면 토스트 표시
            alerts.forEach(alert => {
                if (!document.querySelector(`[data-machine-id="${alert.machine.id}"]`)) {
                    showToast(`${alert.machine.hostname}: ${alert.message}`, alert.type);
                }
            });
        })
        .catch(error => console.error('Alert update failed:', error));
}

// 구독 현황 로드
function loadSubscriptionStats() {
    fetch('/api/subscriptions/stats')
        .then(response => response.json())
        .then(result => {
            if (result.success) {
                updateSubscriptionDisplay(result.data);
            } else {
                console.error('구독 통계 로드 실패:', result.error);
            }
        })
        .catch(error => {
            console.error('구독 통계 API 오류:', error);
            showSubscriptionError();
        });
}

function updateSubscriptionDisplay(data) {
    // 전체 구독 통계 카드 생성
    const statsHtml = `
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card" style="background: linear-gradient(135deg, #38b2ac 0%, #2c7a7b 100%); color: white;">
                <div class="card-body text-center">
                    <div class="stat-number">₩${data.total_revenue.toLocaleString()}</div>
                    <div class="stat-label">
                        <i class="fas fa-won-sign"></i> 월 총 매출
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card" style="background: linear-gradient(135deg, #805ad5 0%, #6b46c1 100%); color: white;">
                <div class="card-body text-center">
                    <div class="stat-number">${data.total_subscriptions}</div>
                    <div class="stat-label">
                        <i class="fas fa-clipboard-list"></i> 총 구독 수
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card" style="background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%); color: white;">
                <div class="card-body text-center">
                    <div class="stat-number">${data.subscribed_pharmacies}/${data.total_pharmacies}</div>
                    <div class="stat-label">
                        <i class="fas fa-store"></i> 구독 약국
                    </div>
                </div>
            </div>
        </div>
        <div class="col-lg-3 col-md-6 mb-3">
            <div class="card" style="background: linear-gradient(135deg, #48bb78 0%, #38a169 100%); color: white;">
                <div class="card-body text-center">
                    <div class="stat-number">${data.subscription_rate}%</div>
                    <div class="stat-label">
                        <i class="fas fa-percentage"></i> 구독률
                    </div>
                </div>
            </div>
        </div>
    `;
    
    document.getElementById('subscription-stats').innerHTML = statsHtml;
    
    // 서비스별 구독 현황
    const serviceIconMap = {
        'CLOUD_PC': '💻',
        'AI_CCTV': '📷', 
        'CRM': '📊'
    };
    
    const serviceColorMap = {
        'CLOUD_PC': '#4f46e5',
        'AI_CCTV': '#0891b2',
        'CRM': '#ca8a04'
    };
    
    let servicesHtml = '';
    data.services.forEach(service => {
        const icon = serviceIconMap[service.code] || '📦';
        const color = serviceColorMap[service.code] || '#6b7280';
        const percentage = data.total_pharmacies > 0 ? Math.round(service.count / data.total_pharmacies * 100) : 0;
        
        servicesHtml += `
            <div class="col-lg-4 col-md-6 mb-3">
                <div class="card border-0 shadow-sm">
                    <div class="card-body">
                        <div class="d-flex align-items-center mb-2">
                            <div class="me-3" style="font-size: 2rem;">${icon}</div>
                            <div class="flex-grow-1">
                                <h6 class="mb-1">${service.name}</h6>
                                <div class="progress mb-1" style="height: 8px;">
                                    <div class="progress-bar" style="background-color: ${color}; width: ${percentage}%"></div>
                                </div>
                                <small class="text-muted">${service.count}개 약국 구독 (${percentage}%)</small>
                            </div>
                        </div>
                        <div class="text-end">
                            <strong style="color: ${color};">₩${service.revenue.toLocaleString()}/월</strong>
                        </div>
                    </div>
                </div>
            </div>
        `;
    });
    
    document.getElementById('service-breakdown').innerHTML = servicesHtml;
}

function showSubscriptionError() {
    document.getElementById('subscription-stats').innerHTML = `
        <div class="col-12 text-center text-muted py-4">
            <i class="fas fa-exclamation-triangle fa-3x mb-3"></i>
            <p>구독 현황을 불러오는 중 오류가 발생했습니다.</p>
        </div>
    `;
}

// 페이지 로드 시 구독 현황 로드
loadSubscriptionStats();

// 통계 업데이트 (10초마다 - 더 자주)
setInterval(updateStats, 10000);
// 알림 업데이트 (30초마다)
setInterval(updateAlerts, 30000);
// 구독 현황 업데이트 (60초마다)
setInterval(loadSubscriptionStats, 60000);
</script>
{% endblock %}