# Nginx configuration to proxy to Docker workflow application
# Add this to your main nginx configuration or create a new site configuration

upstream selfservice_docker {
    server localhost:9080;
}

upstream selfservice_docker_ssl {
    server localhost:9443;
}

# Drone Detection System upstreams
upstream drone_frontend {
    server localhost:3001;  # Frontend container port
}

upstream drone_backend {
    server localhost:3002;  # Backend API container port
}

# HTTP configuration
server {
    listen 80;
    server_name selfservice.local selfservice.cqers.com;  # Change to your domain

    # Redirect HTTP to HTTPS (optional)
    # return 301 https://$server_name$request_uri;

    # Drone Detection System routes
    location /drones/ {
        proxy_pass http://drone_frontend/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # WebSocket support for real-time updates
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # Handle large payloads
        client_max_body_size 10M;
    }

    # Drone static assets (CSS, JS, images) - handle /drones/assets/ paths
    location /drones/assets/ {
        proxy_pass http://drone_frontend/assets/;
        proxy_set_header Host $host;
        
        # Cache static assets
        expires 1y;
        add_header Cache-Control "public, immutable";
        
        # CORS headers for assets
        add_header Access-Control-Allow-Origin "*";
    }

    # Drone favicon from /drones/ path
    location /drones/favicon.ico {
        proxy_pass http://drone_frontend/favicon.ico;
        proxy_set_header Host $host;
        
        # Cache favicon
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Legacy asset routes (in case some assets still use absolute paths)
    location /assets/ {
        proxy_pass http://drone_frontend/assets/;
        proxy_set_header Host $host;
        
        # Cache static assets
        expires 1y;
        add_header Cache-Control "public, immutable";
        
        # CORS headers for assets
        add_header Access-Control-Allow-Origin "*";
    }

    # Legacy favicon route
    location /favicon.ico {
        proxy_pass http://drone_frontend/favicon.ico;
        proxy_set_header Host $host;
        
        # Cache favicon
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Drone API routes
    location /drones/api/ {
        proxy_pass http://drone_backend/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # API specific headers
        proxy_set_header Content-Type application/json;
        
        # Timeouts for API calls
        proxy_connect_timeout 30s;
        proxy_send_timeout 30s;
        proxy_read_timeout 60s;
        
        # Handle large API payloads
        client_max_body_size 10M;
    }

    # Drone health check
    location /drones/health {
        proxy_pass http://drone_backend/health;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # Drone WebSocket endpoint for real-time updates
    location /drones/socket.io/ {
        proxy_pass http://drone_backend/socket.io/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        
        # WebSocket specific headers
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_cache_bypass $http_upgrade;
        
        # Longer timeouts for persistent connections
        proxy_connect_timeout 60s;
        proxy_send_timeout 300s;
        proxy_read_timeout 300s;
    }

    # Original selfservice application - proxy directly to Docker container
    location / {
        proxy_pass http://selfservice_docker;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # WebSocket support (if needed)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }

    # API specific routing (optional optimization) for selfservice
    location /api/ {
        proxy_pass http://selfservice_docker;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

# HTTPS configuration (optional)
server {
    listen 443 ssl http2;
    server_name selfservice.local selfservice.cqers.com;  # Change to your domain

    # SSL certificate configuration (adjust paths to your certificates)
    # ssl_certificate /path/to/your/certificate.crt;
    # ssl_certificate_key /path/to/your/private.key;

    # Drone Detection System routes (HTTPS)
    location /drones/ {
        proxy_pass http://drone_frontend/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # WebSocket support for real-time updates
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # Handle large payloads
        client_max_body_size 10M;
    }

    # Drone static assets (CSS, JS, images) - handle /drones/assets/ paths (HTTPS)
    location /drones/assets/ {
        proxy_pass http://drone_frontend/assets/;
        proxy_set_header Host $host;
        
        # Cache static assets
        expires 1y;
        add_header Cache-Control "public, immutable";
        
        # CORS headers for assets
        add_header Access-Control-Allow-Origin "*";
    }

    # Drone favicon from /drones/ path (HTTPS)
    location /drones/favicon.ico {
        proxy_pass http://drone_frontend/favicon.ico;
        proxy_set_header Host $host;
        
        # Cache favicon
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Legacy asset routes (HTTPS)
    location /assets/ {
        proxy_pass http://drone_frontend/assets/;
        proxy_set_header Host $host;
        
        # Cache static assets
        expires 1y;
        add_header Cache-Control "public, immutable";
        
        # CORS headers for assets
        add_header Access-Control-Allow-Origin "*";
    }

    # Legacy favicon route (HTTPS)
    location /favicon.ico {
        proxy_pass http://drone_frontend/favicon.ico;
        proxy_set_header Host $host;
        
        # Cache favicon
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Drone API routes (HTTPS)
    location /drones/api/ {
        proxy_pass http://drone_backend/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # API specific headers
        proxy_set_header Content-Type application/json;
        
        # Timeouts for API calls
        proxy_connect_timeout 30s;
        proxy_send_timeout 30s;
        proxy_read_timeout 60s;
        
        # Handle large API payloads
        client_max_body_size 10M;
    }

    # Drone health check (HTTPS)
    location /drones/health {
        proxy_pass http://drone_backend/health;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    # Drone WebSocket endpoint (HTTPS)
    location /drones/socket.io/ {
        proxy_pass http://drone_backend/socket.io/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        
        # WebSocket specific headers
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_cache_bypass $http_upgrade;
        
        # Longer timeouts for persistent connections
        proxy_connect_timeout 60s;
        proxy_send_timeout 300s;
        proxy_read_timeout 300s;
    }

    # Original selfservice application - proxy to Docker container's HTTPS
    location / {
        proxy_pass https://selfservice_docker_ssl;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # SSL verification for upstream (adjust as needed)
        proxy_ssl_verify off;

        # WebSocket support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }
}