digraph MediaAnalyzer {
    // Graph settings
    rankdir=TB;
    bgcolor="white";
    fontname="Arial";
    fontsize=12;
    ratio=fill;
    size="9,10!";
    ranksep=0.3;
    nodesep=0.3;
    
    // Node defaults
    node [fontname="Arial", fontsize=10, shape=box, style=filled];
    edge [fontname="Arial", fontsize=8];
    
    // Color scheme
    subgraph cluster_legend {
        label="Legend";
        style=filled;
        color=lightgray;
        node [shape=plaintext, style=filled];
        
        implemented [label="✅ Implemented", fillcolor="#28a745", color="#ffffff", fontcolor="#ffffff"];
        planned [label="⏳ Planned", fillcolor="#ffc107", color="#212529", fontcolor="#212529"];
        code_pattern [label="📐 Code Pattern", fillcolor="#8e24aa", color="#ffffff", fontcolor="#ffffff"];
        service_arch [label="⚡ Service/Architecture", fillcolor="#1976d2", color="#ffffff", fontcolor="#ffffff"];
        
        implemented -> planned [style=invis];
        code_pattern -> service_arch [style=invis];
    }
    
    // Input Sources
    subgraph cluster_sources {
        label="Video Sources";
        style=filled;
        color="#1976d2";
        
        webcam [label="Webcam", fillcolor="#28a745", fontcolor="#ffffff"];
        rtmp [label="RTMP/OBS", fillcolor="#28a745", fontcolor="#ffffff"];
        files [label="File Upload", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // Source Adapters (Design Pattern)
    subgraph cluster_adapters {
        label="Source Adapters Pattern";
        style=filled;
        color="#8e24aa";
        
        base_adapter [label="BaseSourceAdapter\n(Abstract)", fillcolor="#ce93d8"];
        webcam_adapter [label="WebcamAdapter", fillcolor="#28a745", fontcolor="#ffffff"];
        rtmp_adapter [label="RtmpAdapter", fillcolor="#28a745", fontcolor="#ffffff"];
        file_adapter [label="FileAdapter", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // Core Services
    subgraph cluster_core {
        label="Core Platform";
        style=filled;
        color="#1976d2";
        
        django [label="Django API\n+ Channels\n:8000", fillcolor="#28a745", fontcolor="#ffffff"];
        postgres [label="PostgreSQL\nDatabase", fillcolor="#28a745", fontcolor="#ffffff"];
        redis [label="Redis\nCache & Broker", fillcolor="#28a745", fontcolor="#ffffff"];
        nginx [label="NGINX\nReverse Proxy\n:80", fillcolor="#28a745", fontcolor="#ffffff"];
    }
    
    // Execution Strategies (Design Pattern)
    subgraph cluster_execution {
        label="Execution Strategies Pattern";
        style=filled;
        color="#8e24aa";
        
        base_strategy [label="BaseExecutionStrategy\n(Abstract)", fillcolor="#ce93d8"];
        local_strategy [label="LocalStrategy", fillcolor="#28a745", fontcolor="#ffffff"];
        lan_strategy [label="LANStrategy", fillcolor="#ffc107", fontcolor="#212529"];
        cloud_strategy [label="CloudStrategy", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // Event Source Pattern (NEW)
    subgraph cluster_event_sources {
        label="Event Source Pattern";
        style=filled;
        color="#8e24aa";
        
        base_event_source [label="SegmentEventSource\n(Abstract)", fillcolor="#ce93d8"];
        file_watcher_source [label="FileWatcherEventSource\n(Local/LAN)", fillcolor="#28a745", fontcolor="#ffffff"];
        cloud_storage_source [label="CloudStorageEventSource\n(GCS Pub/Sub)", fillcolor="#ffc107", fontcolor="#212529"];
        webhook_source [label="WebhookEventSource\n(External)", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // Event-Driven Processing Pipeline
    subgraph cluster_events {
        label="Event-Driven Processing";
        style=filled;
        color="#1976d2";
        
        event_source_manager [label="EventSourceManager\n(Environment-based)", fillcolor="#28a745", fontcolor="#ffffff"];
        redis_events [label="Redis Event Queue\n(segment_events)", fillcolor="#28a745", fontcolor="#ffffff"];
        event_processor [label="Event Processor\n(triggers analysis)", fillcolor="#28a745", fontcolor="#ffffff"];
    }
    
    // Analysis Workers
    subgraph cluster_workers {
        label="Celery Workers";
        style=filled;
        color="#1976d2";
        
        logo_worker [label="Logo Detection\nWorker\n(logo_queue)", fillcolor="#28a745", fontcolor="#ffffff"];
        visual_worker [label="Visual Properties\nWorker\n(visual_queue)", fillcolor="#ffc107", fontcolor="#212529"];
        audio_worker [label="Audio Transcript\nWorker\n(audio_queue)", fillcolor="#ffc107", fontcolor="#212529"];
        text_worker [label="Text Recognition\nWorker\n(text_queue)", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // AI Adapters (Design Pattern)
    subgraph cluster_ai_adapters {
        label="Analysis Adapters Pattern";
        style=filled;
        color="#8e24aa";
        
        base_ai [label="DetectionAdapter\n(Abstract)", fillcolor="#ce93d8"];
        clip_adapter [label="CLIPAdapter\n(Local)", fillcolor="#28a745", fontcolor="#ffffff"];
        gcp_vision [label="GCPVisionAdapter\n(Cloud)", fillcolor="#ffc107", fontcolor="#212529"];
        yolo_adapter [label="YOLOAdapter\n(Planned)", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // Storage Options
    subgraph cluster_storage {
        label="Media Storage";
        style=filled;
        color="#1976d2";
        
        local_storage [label="Local Files\n(nginx-served)", fillcolor="#28a745", fontcolor="#ffffff"];
        gcs_storage [label="Google Cloud\nStorage", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // Frontend
    subgraph cluster_frontend {
        label="Frontend";
        style=filled;
        color="#1976d2";
        
        angular [label="Angular 17 SPA\n+ WebSocket\n:4200", fillcolor="#28a745", fontcolor="#ffffff"];
        hls_player [label="HLS.js Player\n+ Canvas Overlays", fillcolor="#28a745", fontcolor="#ffffff"];
    }
    
    // Cloud Services
    subgraph cluster_cloud {
        label="GCP Services";
        style=filled;
        color="#1976d2";
        
        vision_api [label="Cloud Vision API\n(Logo Detection)", fillcolor="#ffc107", fontcolor="#212529"];
        speech_api [label="Speech-to-Text API\n(Audio Transcript)", fillcolor="#ffc107", fontcolor="#212529"];
    }
    
    // Connections - Current Implementation (solid)
    webcam -> webcam_adapter [color="#2e7d32"];
    rtmp -> rtmp_adapter [color="#2e7d32"];
    
    webcam_adapter -> django [color="#2e7d32"];
    rtmp_adapter -> django [color="#2e7d32"];
    
    django -> postgres [color="#2e7d32"];
    django -> redis [color="#2e7d32"];
    django -> local_storage [color="#2e7d32"];
    django -> gcs_storage [color="#2e7d32"];
    
    // Event source pattern connections
    local_storage -> file_watcher_source [label="monitors\nHLS segments", color="#2e7d32"];
    gcs_storage -> cloud_storage_source [label="storage\nevents", color="#2e7d32"];
    file_watcher_source -> event_source_manager [color="#2e7d32"];
    cloud_storage_source -> event_source_manager [color="#2e7d32"];
    webhook_source -> event_source_manager [color="#2e7d32"];
    
    // Event-driven processing flow
    event_source_manager -> redis_events [label="publishes\nevents", color="#2e7d32"];
    redis_events -> event_processor [label="consumes\nevents", color="#2e7d32"];
    event_processor -> logo_worker [label="triggers\nanalysis", color="#2e7d32"];
    
    redis -> logo_worker [color="#2e7d32"];
    logo_worker -> local_strategy [color="#2e7d32"];
    local_strategy -> clip_adapter [color="#2e7d32"];
    local_strategy -> gcp_vision [color="#2e7d32"];
    gcp_vision -> vision_api [color="#2e7d32"];
    
    // WebSocket real-time updates
    logo_worker -> django [label="analysis\nresults", color="#2e7d32"];
    django -> angular [label="WebSocket\nAPI", color="#2e7d32"];
    angular -> hls_player [color="#2e7d32"];
    nginx -> angular [color="#2e7d32"];
    
    // Planned Connections (dashed)
    files -> file_adapter [color="#f57f17", style=dashed];
    file_adapter -> django [color="#f57f17", style=dashed];
    
    redis -> visual_worker [color="#f57f17", style=dashed];
    redis -> audio_worker [color="#f57f17", style=dashed];
    redis -> text_worker [color="#f57f17", style=dashed];
    
    visual_worker -> lan_strategy [color="#f57f17", style=dashed];
    audio_worker -> cloud_strategy [color="#f57f17", style=dashed];
    text_worker -> cloud_strategy [color="#f57f17", style=dashed];
    
    cloud_strategy -> speech_api [color="#f57f17", style=dashed];
    lan_strategy -> yolo_adapter [color="#f57f17", style=dashed];
    
    // Inheritance relationships (dotted)
    base_adapter -> webcam_adapter [style=dotted, color=gray];
    base_adapter -> rtmp_adapter [style=dotted, color=gray];
    base_adapter -> file_adapter [style=dotted, color=gray];
    
    base_strategy -> local_strategy [style=dotted, color=gray];
    base_strategy -> lan_strategy [style=dotted, color=gray];
    base_strategy -> cloud_strategy [style=dotted, color=gray];
    
    base_ai -> clip_adapter [style=dotted, color=gray];
    base_ai -> gcp_vision [style=dotted, color=gray];
    base_ai -> yolo_adapter [style=dotted, color=gray];
    
    // Event source inheritance (NEW)
    base_event_source -> file_watcher_source [style=dotted, color=gray];
    base_event_source -> cloud_storage_source [style=dotted, color=gray];
    base_event_source -> webhook_source [style=dotted, color=gray];
}