upstream php-fpm-internal {
    server unix:/var/run/php-fpm-internal.sock;
}

upstream php-fpm-www {
    server unix:/var/run/php-fpm-www.sock;
}

# Internal connection handler for PubSub and internal API calls
server {
    listen 127.0.0.1:6010;

    root /var/azuracast/www/web;
    index index.php;

    server_name localhost;

    # Default clean URL routing
    location / {
        try_files $uri @clean_url;
    }

    location @clean_url {
        rewrite ^(.*)$ /index.php last;
    }

    location ~ ^/index\.php(/|$) {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;

        fastcgi_pass php-fpm-internal;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
        fastcgi_param DOCUMENT_ROOT $realpath_root;
        include fastcgi_params;

        fastcgi_read_timeout 600;
        fastcgi_buffering off;

        internal;
    }

    location ~ /pub/([^\/]+)$ {
        nchan_publisher;
        nchan_channel_group "azuracast_nowplaying";
        nchan_channel_id $1;

        nchan_message_buffer_length 1;
        nchan_message_timeout 16s;
    }
}

server {
    listen 80;
    listen 443 default_server http2 ssl;

    ssl_certificate        /var/azuracast/acme/ssl.crt;
    ssl_certificate_key    /var/azuracast/acme/ssl.key;

    ssl_protocols TLSv1.3 TLSv1.2;
    ssl_prefer_server_ciphers on;
    ssl_ecdh_curve secp521r1:secp384r1;
    ssl_ciphers EECDH+AESGCM:EECDH+AES256;

    ssl_session_cache shared:TLS:2m;
    ssl_buffer_size 4k;

    root /var/azuracast/www/web;
    index index.php;

    server_name localhost;

    add_header X-XSS-Protection 1;
    add_header X-Content-Type-Options nosniff;
    add_header Referrer-Policy no-referrer-when-downgrade;

    # LetsEncrypt handling
    location /.well-known/acme-challenge {
        alias /var/azuracast/acme/challenges;
        try_files $uri =404;
    }

    # Serve a static version of the nowplaying data for non-PHP-blocking delivery.
    location /api/nowplaying_static {
        expires 10s;
        add_header Access-Control-Allow-Origin *;

        alias /var/azuracast/www_tmp/nowplaying;
        try_files $uri =404;
    }

    # Default clean URL routing
    location / {
        try_files $uri @clean_url;
    }

    location @clean_url {
        rewrite ^(.*)$ /index.php last;
    }

    # Set up caching for static assets.
    location /static {
        add_header Access-Control-Allow-Origin *;
    }

    location /static/uploads {
        rewrite ^(.+)\.(?:\w+)\.(js|css|png|jpg)$ $1.$2 last;

        alias /var/azuracast/uploads;
        try_files $uri =404;
    }

    location /static/dist {
        expires 365d;
    }
    location /static/webpack_dist {
        expires 365d;
    }

    location ~ ^/index\.php(/|$) {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;

        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
        fastcgi_pass php-fpm-www;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
        fastcgi_param DOCUMENT_ROOT $realpath_root;
        include fastcgi_params;

        fastcgi_read_timeout {{ default .Env.NGINX_TIMEOUT "1800" }};
        fastcgi_buffering off;

        internal;
    }

    # Return 404 for all other php files not matching the front controller
    location ~ \.php$ {
        return 404;
    }

    # Reverse proxy all possible radio listening ports (8000, 8010...8480, 8490)
{{ if eq .Env.NGINX_RADIO_PORTS "default" }}
    location ~ ^/radio/(8[0-9][0-9]0)(/?)(.*)$ {
{{ else }}
    location ~ ^/radio/{{ .Env.NGINX_RADIO_PORTS }}(/?)(.*)$ {
{{ end }}
        include proxy_params;

        proxy_intercept_errors    on;
        proxy_next_upstream       error timeout invalid_header;
        proxy_redirect            off;
        proxy_connect_timeout     60;

        proxy_set_header Host localhost:$1;
        proxy_pass http://127.0.0.1:$1/$3?$args;
    }

    # pub/sub endpoints
    location ~ /api/live/nowplaying/([^\/]+)$ {
        nchan_access_control_allow_origin "*";

        nchan_subscriber;

        nchan_channel_group "azuracast_nowplaying";
        nchan_channel_id "$1";
        nchan_channel_id_split_delimiter ",";

        nchan_subscriber_first_message -1;
    }

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    location ~ /\.ht {
        deny all;
    }

    # Internal handlers used by the application to perform X-Accel-Redirect's for higher performance.
    location /internal/backups/ {
        internal;
        alias /var/azuracast/backups/;
    }

    location /internal/stations/ {
        internal;
        alias /var/azuracast/stations/;
    }

    include /var/azuracast/stations/*/config/nginx.conf;

    include /etc/nginx/azuracast.conf.d/*.conf;
}