# Do not modify this file!  It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations.  Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:

let
  localhost = "127.0.0.1";
  jellyfinPort = 8086;
  nextcloudPort = 80;
  # unstable_tarball =
  #   builtins.fetchTarball "https://github.com/nixos/nixpkgs/tarball/master";
  # unstable = import unstable_tarball { config = config.nixpkgs.config; };
in {
  services.nginx = {
    enable = true;
    recommendedTlsSettings = true;
    recommendedGzipSettings = true;
    recommendedOptimisation = true;
    recommendedProxySettings = true;
    sslCiphers = "AES256+EECDH:AES256+EDH:!aNULL";
    commonHttpConfig = ''
      ### GLOBAL
        # Add HSTS header with preloading to HTTPS requests.
        # Adding this header to HTTP requests is discouraged
        map $scheme $hsts_header {
            https   "max-age=31536000; includeSubdomains; preload";
        }
        add_header Strict-Transport-Security $hsts_header;

        # Enable CSP for your services.
        #add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;

        # Minimize information leaked to other domains
        add_header 'Referrer-Policy' 'origin-when-cross-origin';

        # Disable embedding as a frame
        add_header X-Frame-Options DENY;

        # Prevent injection of code in other mime types (XSS Attacks)
        add_header X-Content-Type-Options nosniff;

        # Enable XSS protection of the browser.
        # May be unnecessary when CSP is configured properly (see above)
        add_header X-XSS-Protection "1; mode=block";

        # This might create errors
        proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
      ### NEXTCLOUD
        # upstream php-handler {
        #   server 127.0.0.1:9000;
        #   #server unix:/var/run/php/php7.4-fpm.sock;
        # }

        # Set the `immutable` cache control options only for assets with a cache busting `v` argument
        #   map $arg_v $asset_immutable {
        #   "" "";
        #   default "immutable";
        # }
      ### JELLYFIN
        proxy_cache_path /var/cache/nginx/jellyfin-videos levels=1:2 keys_zone=jellyfin-videos:100m inactive=90d max_size=35000m;
        proxy_cache_path /var/cache/nginx/jellyfin levels=1:2 keys_zone=jellyfin:100m max_size=15g inactive=30d use_temp_path=off;
        map $request_uri $h264Level { ~(h264-level=)(.+?)& $2; }
        map $request_uri $h264Profile { ~(h264-profile=)(.+?)& $2; }
    '';
    virtualHosts = let
      base = locations: {
        inherit locations;
        forceSSL = true;
        enableACME = true;
        http2 = true;
      };
      proxy = port:
        base { "/".proxyPass = "http://127.0.0.1:" + toString (port) + "/"; };
    in {
      "flix.servidos.lat" = {
        forceSSL = true;
        enableACME = true;
        http2 = true;
        extraConfig = ''
          # use a variable to store the upstream proxy
          # in this example we are using a hostname which is resolved via DNS
          # (if you aren't using DNS remove the resolver line and change the variable to point to an IP address
          # e.g `set $jellyfin 127.0.0.1`)
          set $jellyfin 127.0.0.1;
          resolver 127.0.0.1 valid=30;

          location = / {
            return 302 http://$host/web/;
            #return 302 https://$host/web/;
          }
          location = /web/ {
            # Proxy main Jellyfin traffic
            proxy_pass http://$jellyfin:8096/web/index.html;
            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_set_header X-Forwarded-Protocol $scheme;
            proxy_set_header X-Forwarded-Host $http_host;
          }
        '';
        locations = {
          "/" = {
            proxyPass = "http://$jellyfin:8096";
            proxyWebsockets = true;
          };
          "/socket" = {
            proxyPass = "http://$jellyfin:8096";
            extraConfig = ''
              proxy_http_version 1.1;
              proxy_set_header Upgrade $http_upgrade;
              proxy_set_header Connection "upgrade";
            '';
          };
          "~ /Items/(.*)/Images" = {
            proxyPass = "http://$jellyfin:8096";
            extraConfig = ''
              proxy_cache jellyfin;
              proxy_cache_revalidate on;
              proxy_cache_lock on;
            '';
          };
          "~* ^/Videos/(.*)/(?!live)" = {
            proxyPass = "http://$jellyfin:8096";
            extraConfig = ''
              # Set size of a slice (this amount will be always requested from the backend by nginx)
              # Higher value means more latency, lower more overhead
              # This size is independent of the size clients/browsers can request
              # slice 2m;

              proxy_cache jellyfin-videos;
              proxy_cache_valid 200 206 301 302 30d;
              proxy_ignore_headers Expires Cache-Control Set-Cookie X-Accel-Expires;
              proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504;
              proxy_connect_timeout 15s;
              proxy_http_version 1.1;
              proxy_set_header Connection "";
              # Transmit slice range to the backend
              proxy_set_header Range 2m;

              # This saves bandwidth between the proxy and jellyfin, as a file is only downloaded one time instead of multiple times when multiple clients want to at the same time
              # The first client will trigger the download, the other clients will have to wait until the slice is cached
              # Esp. practical during SyncPlay
              proxy_cache_lock on;
              proxy_cache_lock_age 60s;

              proxy_cache_key "jellyvideo$uri?MediaSourceId=$arg_MediaSourceId&VideoCodec=$arg_VideoCodec&AudioCodec=$arg_AudioCodec&AudioStreamIndex=$arg_AudioStreamIndex&VideoBitrate=$arg_VideoBitrate&AudioBitrate=$arg_AudioBitrate&SubtitleMethod=$arg_SubtitleMethod&TranscodingMaxAudioChannels=$arg_TranscodingMaxAudioChannels&RequireAvc=$arg_RequireAvc&SegmentContainer=$arg_SegmentContainer&MinSegments=$arg_MinSegments&BreakOnNonKeyFrames=$arg_BreakOnNonKeyFrames&h264-profile=$h264Profile&h264-level=$h264Level&slicerange=2m";

              # add_header X-Cache-Status $upstream_cache_status; # This is only for debugging cache
            '';
          };
        };
      };
      "library.servidos.lat" = proxy 5000 // { };
      ${config.services.nextcloud.hostName} = {
        forceSSL = true;
        enableACME = true;
        http2 = true;
        # extraConfig = ''
        #   server_tokens off;

        #   # set max upload size and increase upload timeout:
        #   client_body_timeout 300s;
        #   # fastcgi_buffers 64 4K;

        #   # The settings allows you to optimize the HTTP2 bandwitdth.
        #   # See https://blog.cloudflare.com/delivering-http-2-upload-speed-improvements/
        #   # for tunning hints
        #   client_body_buffer_size 512k;

        #   # HTTP response headers borrowed from Nextcloud `.htaccess`
        #   add_header Referrer-Policy                   "no-referrer"       always;
        #   add_header X-Download-Options                "noopen"            always;
        #   add_header X-Permitted-Cross-Domain-Policies "none"              always;
        #   add_header X-Robots-Tag                      "noindex, nofollow" always;

        #   # Remove X-Powered-By, which is an information leak
        #   fastcgi_hide_header X-Powered-By;

        #   # Specify how to handle directories -- specifying `/index.php$request_uri`
        #   # here as the fallback means that Nginx always exhibits the desired behaviour
        #   # when a client requests a path that corresponds to a directory that exists
        #   # on the server. In particular, if that directory contains an index.php file,
        #   # that file is correctly served; if it doesn't, then the request is passed to
        #   # the front-end controller. This consistent behaviour means that we don't need
        #   # to specify custom rules for certain paths (e.g. images and other assets,
        #   # `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
        #   # `try_files $uri $uri/ /index.php$request_uri`
        #   # always provides the desired behaviour.
        #   index index.php index.html /index.php$request_uri;
        # '';
        # locations = {
        #   "/".extraConfig = ''
        #     try_files $uri $uri/ /index.php$request_uri;
        #   '';
        #   "= /".extraConfig = ''
        #     # Rule borrowed from `.htaccess` to handle Microsoft DAV clients
        #     if ( $http_user_agent ~ ^DavClnt ) {
        #         return 302 /remote.php/webdav/$is_args$args;
        #     }
        #   '';
        #   "^~ /.well-known".extraConfig = ''
        #     # The rules in this block are an adaptation of the rules
        #     # in `.htaccess` that concern `/.well-known`.

        #     location /.well-known/acme-challenge    { try_files $uri $uri/ =404; }
        #     location /.well-known/pki-validation    { try_files $uri $uri/ =404; }

        #     # Let Nextcloud's API for `/.well-known` URIs handle all other
        #     # requests by passing them to the front-end controller.
        #     return 301 /index.php$request_uri;
        #   '';
        #   "~ ^/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/)".extraConfig =
        #     "return 404;";
        #   "~ ^/(?:.|autotest|occ|issue|indie|db_|console)".extraConfig =
        #     "return 404;";
        #   "~ .php(?:$|/)".extraConfig = ''
        #     # Required for legacy support
        #     rewrite ^/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+|.+\/richdocumentscode\/proxy) /index.php$request_uri;

        #     fastcgi_split_path_info ^(.+?\.php)(/.*)$;
        #     set $path_info $fastcgi_path_info;

        #     try_files $fastcgi_script_name =404;

        #     # include fastcgi_params;
        #     include "${pkgs.nginx}/conf/fastcgi_params";
        #     fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        #     fastcgi_param PATH_INFO $path_info;
        #     fastcgi_param HTTPS on;

        #     fastcgi_param modHeadersAvailable true;         # Avoid sending the security headers twice
        #     fastcgi_param front_controller_active true;     # Enable pretty urls

        #     fastcgi_intercept_errors on;
        #     fastcgi_request_buffering off;

        #     fastcgi_max_temp_file_size 0;
        #   '';
        #   "~ .(?:css|js|svg|gif|png|jpg|ico|wasm|tflite|map)$" = {
        #     extraConfig = ''
        #       try_files $uri /index.php$request_uri;
        #       access_log off;     # Optional: Don't log access to assets
        #       location ~ \.wasm$ {
        #         default_type application/wasm;
        #       }
        #     '';
        #   };
        #   "~ .woff2?$".extraConfig = ''
        #     try_files $uri /index.php$request_uri;
        #     expires 7d;         # Cache-Control policy borrowed from `.htaccess`
        #     access_log off;     # Optional: Don't log access to assets        '';
        #   "/remote".extraConfig = "return 301 /remote.php$request_uri;";
        # };
      };
    };
  };
}