def card(title, value, subtitle, bgcolor, color):
    return {
        'widgettype': 'VBox',
        'options': {'bgcolor': bgcolor, 'padding': '16px', 'width': '25%', 'border': '1px solid ' + color, 'borderRadius': '8px'},
        'subwidgets': [
            {'widgettype': 'Text', 'options': {'text': title, 'cfontsize': 0.7, 'color': '#64748b'}},
            {'widgettype': 'Text', 'options': {'text': value, 'cfontsize': 2, 'fontWeight': 'bold', 'color': color}},
            {'widgettype': 'Text', 'options': {'text': subtitle, 'cfontsize': 0.7, 'color': '#94a3b8'}}
        ]
    }

pool_cards = []
cluster_cards = []
storage_txt = ''
image_txt = ''

# 算力池统计
try:
    async with DBPools().sqlorContext(get_module_dbname('pcpool')) as sor:
        pools = await sor.R('compute_pool', {})
        total_pools = len(pools or [])
        active = sum(1 for p in (pools or []) if str(getattr(p,'status','')) == '1')
        total_cpu = 0; total_gpu = 0; total_mem = 0
        alloc_cpu = 0; alloc_gpu = 0; alloc_mem = 0
        for p in (pools or []):
            nodes = await sor.R('compute_node', {'pool_id': p.id})
            for n in (nodes or []):
                cpu = int(getattr(n,'cpu_cores',0) or 0)
                gpu = int(getattr(n,'gpu_count',0) or 0)
                mem = int(getattr(n,'memory_gb',0) or 0)
                total_cpu += cpu; total_gpu += gpu; total_mem += mem
                if getattr(n,'status','') == 'allocated':
                    alloc_cpu += cpu; alloc_gpu += gpu; alloc_mem += mem
    pool_cards = [
        card('算力池', str(total_pools) + ' 个', str(active) + ' 运行中', '#eff6ff', '#2563eb'),
        card('CPU', str(total_cpu) + ' 核', '已分配 ' + str(alloc_cpu) + ' 核', '#f5f3ff', '#7c3aed'),
        card('GPU', str(total_gpu) + ' 个', '已分配 ' + str(alloc_gpu) + ' 个', '#ecfdf5', '#059669'),
        card('内存', str(total_mem) + ' GB', '已分配 ' + str(alloc_mem) + ' GB', '#fff7ed', '#ea580c')
    ]
except:
    pool_cards = [card('算力池', '0', '加载失败', '#f1f5f9', '#94a3b8') for _ in range(4)]

# 集群统计
try:
    async with DBPools().sqlorContext(get_module_dbname('pcc')) as sor:
        clusters = await sor.R('cluster', {})
        total = len(clusters or [])
        running = sum(1 for c in (clusters or []) if getattr(c,'status','') == 'running')
        deploying = sum(1 for c in (clusters or []) if getattr(c,'status','') == 'deploying')
        stopped = sum(1 for c in (clusters or []) if getattr(c,'status','') == 'stopped')
        total_nodes = 0; total_cpu = 0; total_gpu = 0; total_mem = 0
        for c in (clusters or []):
            nodes = await sor.R('cluster_node', {'cluster_id': c.id})
            total_nodes += len(nodes or [])
            for n in (nodes or []):
                total_cpu += int(getattr(n,'cpu_cores',0) or 0)
                total_gpu += int(getattr(n,'gpu_count',0) or 0)
                total_mem += int(getattr(n,'memory_gb',0) or 0)
    cluster_cards = [
        card('集群', str(total) + ' 个', str(running) + '运行/' + str(deploying) + '部署/' + str(stopped) + '停', '#eff6ff', '#2563eb'),
        card('节点', str(total_nodes) + ' 个', '已加入集群', '#f5f3ff', '#7c3aed'),
        card('CPU', str(total_cpu) + ' 核', '集群总核数', '#ecfdf5', '#059669'),
        card('GPU/内存', str(total_gpu) + ' GPU', str(total_mem) + ' GB 内存', '#fff7ed', '#ea580c')
    ]
except:
    cluster_cards = [card('集群', '0', '加载失败', '#f1f5f9', '#94a3b8') for _ in range(4)]

# 存储统计
try:
    async with DBPools().sqlorContext(get_module_dbname('storage_mgr')) as sor:
        servers = await sor.R('storage_server', {})
        exports = await sor.R('storage_export', {})
        storage_txt = '存储: ' + str(len(servers or [])) + ' 服务器, ' + str(len(exports or [])) + ' 导出'
except:
    storage_txt = '存储: 加载失败'

# 镜像统计
try:
    async with DBPools().sqlorContext(get_module_dbname('image_mgr')) as sor:
        registries = await sor.R('image_registry', {})
        images = await sor.R('container_image', {})
        image_txt = '镜像: ' + str(len(registries or [])) + ' 仓库, ' + str(len(images or [])) + ' 镜像'
except:
    image_txt = '镜像: 加载失败'

return {
    'widgettype': 'VBox',
    'options': {'padding': '24px', 'spacing': '24px', 'bgcolor': '#f8fafc'},
    'subwidgets': [
        {'widgettype': 'Text', 'options': {'text': '资源概览', 'cfontsize': 1.3, 'fontWeight': 'bold', 'color': '#1e293b'}},
        {'widgettype': 'Text', 'options': {'text': '算力池', 'cfontsize': 0.9, 'fontWeight': 'bold', 'color': '#64748b'}},
        {'widgettype': 'HBox', 'options': {'gap': '16px'}, 'subwidgets': pool_cards},
        {'widgettype': 'Text', 'options': {'text': '集群', 'cfontsize': 0.9, 'fontWeight': 'bold', 'color': '#64748b'}},
        {'widgettype': 'HBox', 'options': {'gap': '16px'}, 'subwidgets': cluster_cards},
        {'widgettype': 'Text', 'options': {'text': '存储与镜像', 'cfontsize': 0.9, 'fontWeight': 'bold', 'color': '#64748b'}},
        {'widgettype': 'HBox', 'options': {'gap': '16px'}, 'subwidgets': [
            {'widgettype': 'Text', 'options': {'text': storage_txt, 'cfontsize': 0.9, 'color': '#1e293b'}},
            {'widgettype': 'Text', 'options': {'text': image_txt, 'cfontsize': 0.9, 'color': '#1e293b'}}
        ]}
    ]
}