{ lib, ... }:

{
  proxyDomain = cert: proxyPass: {
    forceSSL = true;
    useACMEHost = cert;
    locations."/" = {
      inherit proxyPass;
      proxyWebsockets = true;
      extraConfig = ''
        proxy_pass_header Authorization;

        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        proxy_set_header Upgrade $http_upgrade;
      '';
    };
  };
  
  proxyDomainLocation = cert: proxyPass: location: {
    forceSSL = true;
    useACMEHost = cert;
    locations."${location}" = {
      inherit proxyPass;
      proxyWebsockets = true;
      extraConfig = ''
        proxy_pass_header Authorization;

        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        proxy_set_header Upgrade $http_upgrade;
      '';
    };
  };


  proxyDomainAuth = cert: proxyPass: {
    forceSSL = true;
    useACMEHost = cert;
    locations."/" = {
      inherit proxyPass;
      proxyWebsockets = true;
      extraConfig = ''
        auth_request     /outpost.goauthentik.io/auth/nginx;
        error_page       401 = @goauthentik_proxy_signin;
        auth_request_set $auth_cookie $upstream_http_set_cookie;
        add_header       Set-Cookie $auth_cookie;

        # translate headers from the outposts back to the actual upstream
        auth_request_set $authentik_username $upstream_http_x_authentik_username;
        auth_request_set $authentik_groups $upstream_http_x_authentik_groups;
        auth_request_set $authentik_email $upstream_http_x_authentik_email;
        auth_request_set $authentik_name $upstream_http_x_authentik_name;
        auth_request_set $authentik_uid $upstream_http_x_authentik_uid;

        proxy_set_header X-authentik-username $authentik_username;
        proxy_set_header X-authentik-groups $authentik_groups;
        proxy_set_header X-authentik-email $authentik_email;
        proxy_set_header X-authentik-name $authentik_name;
        proxy_set_header X-authentik-uid $authentik_uid;
      '';
    };

    locations."/outpost.goauthentik.io" = {
      proxyPass = "https://10.10.0.1:9444/outpost.goauthentik.io";
      proxyWebsockets = true;
      extraConfig = ''
        proxy_ssl_server_name on;

        proxy_set_header        Host $host;
        proxy_set_header        X-Original-URL $scheme://$http_host$request_uri;
        add_header              Set-Cookie $auth_cookie;
        auth_request_set        $auth_cookie $upstream_http_set_cookie;
        proxy_pass_request_body off;
        proxy_set_header        Content-Length "";
      '';
    };

    locations."@goauthentik_proxy_signin" = {
      extraConfig = ''
        internal;
        add_header Set-Cookie $auth_cookie;
        return 302 /outpost.goauthentik.io/start?rd=$request_uri;
      '';
    };
  };

  proxyDomainGlobalAuth = cert: proxyPass: {
    forceSSL = true;
    useACMEHost = cert;
    locations."/" = {
      inherit proxyPass;
      proxyWebsockets = true;
      extraConfig = ''
        auth_request     /outpost.goauthentik.io/auth/nginx;
        error_page       401 = @goauthentik_proxy_signin;
        auth_request_set $auth_cookie $upstream_http_set_cookie;
        add_header       Set-Cookie $auth_cookie;

        # translate headers from the outposts back to the actual upstream
        auth_request_set $authentik_username $upstream_http_x_authentik_username;
        auth_request_set $authentik_groups $upstream_http_x_authentik_groups;
        auth_request_set $authentik_email $upstream_http_x_authentik_email;
        auth_request_set $authentik_name $upstream_http_x_authentik_name;
        auth_request_set $authentik_uid $upstream_http_x_authentik_uid;

        proxy_set_header X-authentik-username $authentik_username;
        proxy_set_header X-authentik-groups $authentik_groups;
        proxy_set_header X-authentik-email $authentik_email;
        proxy_set_header X-authentik-name $authentik_name;
        proxy_set_header X-authentik-uid $authentik_uid;
      '';
    };

    locations."/outpost.goauthentik.io" = {
      proxyPass = "https://auth.vapor.systems/outpost.goauthentik.io";
      proxyWebsockets = true;
      extraConfig = ''
        proxy_set_header        Host $host;
        proxy_set_header        X-Original-URL $scheme://$http_host$request_uri;
        add_header              Set-Cookie $auth_cookie;
        auth_request_set        $auth_cookie $upstream_http_set_cookie;
        proxy_pass_request_body off;
        proxy_set_header        Content-Length "";      '';
    };

    locations."@goauthentik_proxy_signin" = {
      extraConfig = ''
        internal;
        add_header Set-Cookie $auth_cookie;
        # For domain level, use the below error_page to redirect to your authentik server with the full redirect path
        return 302 https://auth.vapor.systems/outpost.goauthentik.io/start?rd=$scheme://$http_host$request_uri;
      '';
    };
  };

  domainAuth = cert: {
    forceSSL = true;
    useACMEHost = cert;
    locations."/" = {
      proxyWebsockets = true;
      extraConfig = ''
        auth_request     /outpost.goauthentik.io/auth/nginx;
        error_page       401 = @goauthentik_proxy_signin;
        auth_request_set $auth_cookie $upstream_http_set_cookie;
        add_header       Set-Cookie $auth_cookie;

        # translate headers from the outposts back to the actual upstream
        auth_request_set $authentik_username $upstream_http_x_authentik_username;
        auth_request_set $authentik_groups $upstream_http_x_authentik_groups;
        auth_request_set $authentik_email $upstream_http_x_authentik_email;
        auth_request_set $authentik_name $upstream_http_x_authentik_name;
        auth_request_set $authentik_uid $upstream_http_x_authentik_uid;

        proxy_set_header X-authentik-username $authentik_username;
        proxy_set_header X-authentik-groups $authentik_groups;
        proxy_set_header X-authentik-email $authentik_email;
        proxy_set_header X-authentik-name $authentik_name;
        proxy_set_header X-authentik-uid $authentik_uid;
      '';
    };

    locations."/outpost.goauthentik.io" = {
      proxyPass = "https://10.10.0.1:9444/outpost.goauthentik.io";
      proxyWebsockets = true;
      extraConfig = ''
        proxy_ssl_server_name on;

        proxy_set_header        Host $host;
        proxy_set_header        X-Original-URL $scheme://$http_host$request_uri;
        add_header              Set-Cookie $auth_cookie;
        auth_request_set        $auth_cookie $upstream_http_set_cookie;
        proxy_pass_request_body off;
        proxy_set_header        Content-Length "";
      '';
    };

    locations."@goauthentik_proxy_signin" = {
      extraConfig = ''
        internal;
        add_header Set-Cookie $auth_cookie;
        return 302 /outpost.goauthentik.io/start?rd=$request_uri;
      '';
    };
  };
}