{ config, lib, pkgs, ... }: {

    options.sysconfig.opts.virtualization.gitlab.enable = lib.options.mkOption {
        type = lib.types.bool;
        default = false;
    };

    config = lib.mkIf config.sysconfig.opts.virtualization.gitlab.enable {

        sops.secrets = {
            "gitlab/db_pass" = {};
            "gitlab/root_pass" = {};
            "gitlab/secrets/secret" = {};
            "gitlab/secrets/otp" = {};
            "gitlab/secrets/db" = {};
            "gitlab/secrets/jws" = {};
            "gitlab/oidc/id" = {};
            "gitlab/oidc/secret" = {};
        };

        services.openssh.ports = [
            2222
        ];

        networking.firewall.allowedTCPPorts = [
            22
            2222
        ];

        containers.gitlab = {

            autoStart = true;
            privateNetwork = true;
            hostAddress = "192.168.100.10";
            localAddress = "192.168.100.16";

            forwardPorts = [
                {
                    containerPort = 22;
                    hostPort = 22;
                }
            ];

            bindMounts = {
                "/etc/gitlab/data" = {
                    hostPath = "/ssd1/Gitlab/data";
                    isReadOnly = false;
                };
            };

            extraFlags = [
                "--load-credential=dbpass:${config.sops.secrets."gitlab/db_pass".path}"
                "--load-credential=rootpass:${config.sops.secrets."gitlab/root_pass".path}"
                "--load-credential=secret:${config.sops.secrets."gitlab/secrets/secret".path}"
                "--load-credential=otp:${config.sops.secrets."gitlab/secrets/otp".path}"
                "--load-credential=db:${config.sops.secrets."gitlab/secrets/db".path}"
                "--load-credential=jws:${config.sops.secrets."gitlab/secrets/jws".path}"
                "--load-credential=oidc_id:${config.sops.secrets."gitlab/oidc/id".path}"
                "--load-credential=oidc_secret:${config.sops.secrets."gitlab/oidc/secret".path}"
            ];
            config = {

                systemd.services.secrets_setup = {
                    wantedBy = [ "gitlab.service" ];

                    serviceConfig = {
                        LoadCredential = [
                            "dbpass"
                            "rootpass"
                            "secret"
                            "db"
                            "otp"
                            "jws"
                            "oidc_id"
                            "oidc_secret"
                        ];
                    };

                    script = ''
                        cat ''${CREDENTIALS_DIRECTORY}/dbpass > /etc/gitlab/dbpass
                        cat ''${CREDENTIALS_DIRECTORY}/rootpass > /etc/gitlab/rootpass
                        cat ''${CREDENTIALS_DIRECTORY}/secret > /etc/gitlab/secret
                        cat ''${CREDENTIALS_DIRECTORY}/db > /etc/gitlab/db
                        cat ''${CREDENTIALS_DIRECTORY}/otp > /etc/gitlab/otp
                        cat ''${CREDENTIALS_DIRECTORY}/jws > /etc/gitlab/jws
                        cat ''${CREDENTIALS_DIRECTORY}/oidc_id > /etc/gitlab/oidc-id
                        cat ''${CREDENTIALS_DIRECTORY}/oidc_secret > /etc/gitlab/oidc-secret

                        chown gitlab:gitlab /etc/gitlab/*
                    '';
                };
                
                services.gitlab = {
                    enable = true;
                    #https = true;
                    #port = 443;
                    host = "gitlab.blunkall.us";
                    databasePasswordFile = "/etc/gitlab/dbpass";
                    initialRootPasswordFile = "/etc/gitlab/rootpass";

                    statePath = "/etc/gitlab/data";

                    secrets = {
                        secretFile = "/etc/gitlab/secret";
                        otpFile = "/etc/gitlab/otp";
                        dbFile = "/etc/gitlab/db";
                        jwsFile = "/etc/gitlab/jws";
                    };

                    extraConfig = {
                        gitlab = {
                            default_project_features = {
                                builds = false;
                            };
                        };
                        omniauth = {
                            enabled = true;
                            auto_sign_in_with_provider = "openid_connect";
                            allow_single_sign_on = [ "openid_connect" ];
                            sync_email_from_provider = "openid_connect";
                            sync_profile_from_provider = [ "openid_connect" ];
                            sync_profile_attributes = [ "email" ];
                            auto_link_saml_user = true;
                            auto_link_user = [ "openid_connect" ];
                            block_auto_created_users = false;
                            providers = [
                                {
                                    name = "openid_connect";
                                    label = "Authentik SSO";
                                    args = {
                                        name = "openid_connect";
                                        scope = [ "openid" "profile" "email" ];
                                        response_type = "code";
                                        issuer = "https://auth.blunkall.us/application/o/gitlab/";
                                        discovery = true;
                                        client_auth_method = "query";
                                        uid_field = "preferred_username";
                                        send_scope_to_token_endpoint = true;
                                        pkce = true;
                                        client_options = {
                                            identifier = { _secret = "/etc/gitlab/oidc-id"; };
                                            secret = { _secret = "/etc/gitlab/oidc-secret"; };
                                            redirect_uri = "https://gitlab.blunkall.us/users/auth/openid_connect/callback";
                                        };
                                    };
                                }
                            ];
                        };
                    };
                };
                services.nginx = {
                    enable = true;
                    recommendedProxySettings = true;
                    virtualHosts = {
                        "gitlab.blunkall.us" = {
                            locations."/".proxyPass = "http://unix:/run/gitlab/gitlab-workhorse.socket";
                        };
                    };
                };

                services.openssh.enable = true;

                systemd.services.gitlab-backup.environment.BACKUP = "dump";


                networking.firewall.allowedTCPPorts = [ 22 80 ];

                system.stateVersion = "24.05";
            };
        };
    };
}