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;
    # Large D-InSAR batch saves can exceed nginx's default 1m request body limit.
    client_max_body_size 32m;

    server {
        listen       80;
        server_name  localhost;
        include      "D:/Code/Insar_management_system_v2/nginx/client_allow.conf";
        error_page   403 /__access_denied.html;

        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;
        add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://*.tile.openstreetmap.org https://*.tile.opentopomap.org; connect-src 'self'; font-src 'self' data:; worker-src blob:;" always;

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

        location = /index.html {
            try_files /index.html =404;
            add_header Cache-Control "no-store, no-cache, must-revalidate" always;
        }

        location /assets/ {
            try_files $uri @asset_not_found;
            add_header Cache-Control "public, max-age=31536000, immutable" always;
        }

        location @asset_not_found {
            add_header Cache-Control "no-store, no-cache, must-revalidate" always;
            return 404;
        }

        location = /__access_denied.html {
            internal;
            allow all;
            root   "D:/Code/Insar_management_system_v2/frontend/dist";
            try_files /access_denied.html =403;
            default_type text/html;
            sub_filter_once off;
            sub_filter "__CLIENT_IP__" "$remote_addr";
            sub_filter "__REQUEST_HOST__" "$host";
        }

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

        location /api/cluster/ {
            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;
            client_max_body_size 64g;
            proxy_request_buffering off;
            proxy_buffering off;
            proxy_read_timeout 7200s;
            proxy_send_timeout 7200s;
            send_timeout 7200s;
        }

        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;
        }

        location /tiles/ {
            proxy_pass http://127.0.0.1:8910;
            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_cache_valid 200 365d;
            expires 365d;
            add_header Cache-Control "public, max-age=31536000, immutable" always;
        }

        location /geojson/ {
            proxy_pass http://127.0.0.1:8910;
            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;
        }

        location /shp/ {
            proxy_pass http://127.0.0.1:8910;
            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;
        }

        location /vectors/ {
            proxy_pass http://127.0.0.1:8910;
            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/runtime-summary/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 /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/";
        }
    }
}