worker_processes auto;
error_log /dev/stderr warn;
pid /tmp/nginx.pid;

events {
    worker_connections 1024;
}

thread_pool vod_io threads=2 max_queue=65536;

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

    log_format vod '$remote_addr - $remote_user [$time_local] "$request" '
                   '$status $body_bytes_sent "$http_referer" '
                   '"$http_user_agent" rt=$request_time';
    access_log /dev/stdout vod;

    sendfile on;
    tcp_nopush on;
    keepalive_timeout 65;
    server_tokens off;

    aio threads=vod_io;

    upstream catalog_backend {
        server catalog:8081;
    }

    server {
        listen 8080;
        server_name _;
        autoindex off;

        vod_mode local;
        vod_metadata_cache metadata_cache 64m;
        vod_response_cache response_cache 16m;
        vod_open_file_thread_pool vod_io;

        open_file_cache max=1000 inactive=30s;
        open_file_cache_valid 30s;
        open_file_cache_min_uses 1;
        open_file_cache_errors on;

        location = /healthz {
            access_log off;
            default_type text/plain;
            return 200 "ok\n";
        }

        location ^~ /hls/ {
            alias /media/;
            vod hls;
            vod_segment_duration 6000;
            vod_align_segments_to_key_frames on;
            vod_manifest_segment_durations_mode accurate;

            add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
            add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
            add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
            add_header Access-Control-Expose-Headers "Accept-Ranges, Content-Length, Content-Range, Content-Type" always;
            add_header Cache-Control "no-store" always;
            add_header Vary "Origin" always;

            if ($request_method = OPTIONS) {
                add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
                add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
                add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
                add_header Access-Control-Max-Age 600 always;
                add_header Cache-Control "no-store" always;
                add_header Vary "Origin" always;
                return 204;
            }

            if ($request_method !~ ^(GET|HEAD)$) {
                return 405;
            }
        }

        location = /api/media {
            proxy_pass http://catalog_backend;
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_hide_header Cache-Control;

            add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
            add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
            add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
            add_header Access-Control-Expose-Headers "Content-Length, Content-Type" always;
            add_header Cache-Control "no-store" always;
            add_header Vary "Origin" always;

            if ($request_method = OPTIONS) {
                add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
                add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
                add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
                add_header Access-Control-Max-Age 600 always;
                add_header Cache-Control "no-store" always;
                add_header Vary "Origin" always;
                return 204;
            }

            if ($request_method !~ ^(GET|HEAD)$) {
                return 405;
            }
        }

        location = /api/media/status {
            proxy_pass http://catalog_backend;
            proxy_set_header Host $host;
            proxy_hide_header Cache-Control;

            add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
            add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
            add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
            add_header Access-Control-Expose-Headers "Content-Length, Content-Type" always;
            add_header Cache-Control "no-store" always;
            add_header Vary "Origin" always;

            if ($request_method = OPTIONS) {
                add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
                add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
                add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
                add_header Access-Control-Max-Age 600 always;
                add_header Cache-Control "no-store" always;
                add_header Vary "Origin" always;
                return 204;
            }

            if ($request_method !~ ^(GET|HEAD)$) {
                return 405;
            }
        }

        location = /api/media/rescan {
            proxy_pass http://catalog_backend;
            proxy_set_header Host $host;
            proxy_hide_header Cache-Control;

            add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
            add_header Access-Control-Allow-Methods "POST, OPTIONS" always;
            add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
            add_header Access-Control-Expose-Headers "Content-Length, Content-Type" always;
            add_header Cache-Control "no-store" always;
            add_header Vary "Origin" always;

            if ($request_method = OPTIONS) {
                add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
                add_header Access-Control-Allow-Methods "POST, OPTIONS" always;
                add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
                add_header Access-Control-Max-Age 600 always;
                add_header Cache-Control "no-store" always;
                add_header Vary "Origin" always;
                return 204;
            }

            if ($request_method != POST) {
                return 405;
            }
        }

        location ^~ /api/media/covers/ {
            proxy_pass http://catalog_backend;
            proxy_set_header Host $host;
            proxy_hide_header Cache-Control;

            add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
            add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
            add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
            add_header Access-Control-Expose-Headers "Content-Length, Content-Type" always;
            add_header Cache-Control "no-store" always;
            add_header Vary "Origin" always;

            if ($request_method = OPTIONS) {
                add_header Access-Control-Allow-Origin "${PLAYER_ORIGIN}" always;
                add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
                add_header Access-Control-Allow-Headers "Origin, Range, Accept, Content-Type" always;
                add_header Access-Control-Max-Age 600 always;
                add_header Cache-Control "no-store" always;
                add_header Vary "Origin" always;
                return 204;
            }

            if ($request_method !~ ^(GET|HEAD)$) {
                return 405;
            }
        }

        location / {
            return 404;
        }
    }
}