daemon off;
user root;
worker_processes  1;

error_log  /usr/local/nginx/logs/error.log warn;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                        '$status $body_bytes_sent "$http_referer" '
                        '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /usr/local/nginx/logs/access.log  main;

    sendfile        on;

    keepalive_timeout  65;

    gzip on;
    gzip_comp_level 6;
    gzip_types text/plain text/css application/json application/x-javascript application/javascript text/javascript image/svg+xml image/x-icon image/bmp image/png image/gif image/jpeg image/jpg;
    gzip_proxied no-cache no-store private expired auth;
    gzip_vary on;

    upstream frigate_api {
      server localhost:5001;
      keepalive 1024;
    }

    upstream mqtt_ws {
      server localhost:5002;
      keepalive 1024;
    }

    upstream jsmpeg {
      server localhost:8082;
      keepalive 1024;
    }

    server {
        listen 5000;

        # vod settings
        vod_base_url '';
        vod_segments_base_url '';
        vod_mode mapped;
        vod_max_mapping_response_size 1m;
        vod_upstream_location /api;
        vod_align_segments_to_key_frames on;
        vod_manifest_segment_durations_mode accurate;

        # vod caches
        vod_metadata_cache metadata_cache 512m;
        vod_mapping_cache mapping_cache 5m 10m;

        # gzip manifests
        gzip on;
        gzip_types application/vnd.apple.mpegurl;

        # file handle caching / aio
        open_file_cache          max=1000 inactive=5m;
        open_file_cache_valid    2m;
        open_file_cache_min_uses 1;
        open_file_cache_errors   on;
        aio on;

        location /vod/ {
            vod hls;

            secure_token $args;
			secure_token_types application/vnd.apple.mpegurl;

            add_header Access-Control-Allow-Headers '*';
            add_header Access-Control-Expose-Headers 'Server,range,Content-Length,Content-Range';
            add_header Access-Control-Allow-Methods 'GET, HEAD, OPTIONS';
            add_header Access-Control-Allow-Origin '*';
            expires -1;
        }

        location /stream/ {
            add_header 'Cache-Control' 'no-cache';
            add_header 'Access-Control-Allow-Origin' "$http_origin" always;
            add_header 'Access-Control-Allow-Credentials' 'true';
            add_header 'Access-Control-Expose-Headers' 'Content-Length';
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' "$http_origin";
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain charset=UTF-8';
                add_header 'Content-Length' 0;
                return 204;
            }

            types {
                application/dash+xml mpd;
                application/vnd.apple.mpegurl m3u8;
                video/mp2t ts;
                image/jpeg jpg;
            }

            root /tmp;
        }

        location /clips/ {
            add_header 'Access-Control-Allow-Origin' "$http_origin" always;
            add_header 'Access-Control-Allow-Credentials' 'true';
            add_header 'Access-Control-Expose-Headers' 'Content-Length';
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' "$http_origin";
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain charset=UTF-8';
                add_header 'Content-Length' 0;
                return 204;
            }

            types {
                video/mp4 mp4;
                image/jpeg jpg;
            }

            autoindex on;
            root /media/frigate;
        }

        location /cache/ {
                internal; # This tells nginx it's not accessible from the outside
                alias /tmp/cache/;
        }

        location /recordings/ {
            add_header 'Access-Control-Allow-Origin' "$http_origin" always;
            add_header 'Access-Control-Allow-Credentials' 'true';
            add_header 'Access-Control-Expose-Headers' 'Content-Length';
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' "$http_origin";
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain charset=UTF-8';
                add_header 'Content-Length' 0;
                return 204;
            }

            types {
                video/mp4 mp4;
            }

            autoindex on;
            autoindex_format json;
            root /media/frigate;
        }

        location /ws {
            proxy_pass http://mqtt_ws/;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "Upgrade";
            proxy_set_header Host $host;
        }

        location /live/ {
            proxy_pass http://jsmpeg/;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "Upgrade";
            proxy_set_header Host $host;
        }

        location /api/ {
            add_header 'Access-Control-Allow-Origin' '*';
            add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
            proxy_pass http://frigate_api/;
            proxy_pass_request_headers on;
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }


        location / {
            add_header Cache-Control "no-cache";

            location ~* \.(?:js|css|svg|ico|png)$ {
                access_log off;
                expires 1y;
                add_header Cache-Control "public";
            }

            sub_filter 'href="/' 'href="$http_x_ingress_path/';
            sub_filter 'url(/' 'url($http_x_ingress_path/';
            sub_filter '"/dist/' '"$http_x_ingress_path/dist/';
            sub_filter '"/js/' '"$http_x_ingress_path/js/';
            sub_filter '<body>' '<body><script>window.baseUrl="$http_x_ingress_path";</script>';
            sub_filter_types text/css application/javascript;
            sub_filter_once off;

            root /opt/frigate/web;
            try_files $uri $uri/ /index.html;
        }
    }
}

rtmp {
    server {
        listen 1935;
        chunk_size 4096;
        allow publish 127.0.0.1;
        deny publish all;
        allow play all;
        application live {
            live on;
            record off;
            meta copy;
        }
    }
}