worker_processes  1;
error_log  "D:/Code/Insar_management_system_v2/logs/nginx_error.log" warn;
pid        "D:/Code/Insar_management_system_v2/logs/nginx.pid";

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    access_log    "D:/Code/Insar_management_system_v2/logs/nginx_access.log";
    client_body_temp_path "D:/Code/Insar_management_system_v2/nginx/temp/client_body";
    proxy_temp_path       "D:/Code/Insar_management_system_v2/nginx/temp/proxy";
    fastcgi_temp_path     "D:/Code/Insar_management_system_v2/nginx/temp/fastcgi";
    uwsgi_temp_path       "D:/Code/Insar_management_system_v2/nginx/temp/uwsgi";
    scgi_temp_path        "D:/Code/Insar_management_system_v2/nginx/temp/scgi";

    sendfile        on;
    keepalive_timeout  65;

    server {
        listen       80;
        server_name  localhost;

        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header X-XSS-Protection "1; mode=block" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
        # CSP: allow both legacy tile port 8900 and current tile-server port 8910
        # If tile server address changes, update the sources below accordingly
        add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: http://127.0.0.1:8900 http://127.0.0.1:8910 https://*.tile.openstreetmap.org https://*.tile.opentopomap.org; connect-src 'self' http://127.0.0.1:8900 http://127.0.0.1:8910; font-src 'self' data:; worker-src blob:;" always;

        root   "D:/Code/Insar_management_system_v2/frontend/dist";
        index  index.html;

        location / {
            try_files $uri $uri/ /index.html;
        }

        location /api/ {
            proxy_pass http://127.0.0.1:18000;
            proxy_http_version 1.1;
            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;
        }

        # SSE: disable buffering so events are pushed immediately
        location /api/tasks/active/stream {
            proxy_pass http://127.0.0.1:18000;
            proxy_http_version 1.1;
            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_buffering off;
            proxy_cache off;
            proxy_read_timeout 3600s;
            proxy_set_header Connection '';
        }

        location /image_cache/ {
            alias  "D:/Code/Insar_management_system_v2/backend/image_cache/";
        }
    }
}