using System;
using System.Collections.Generic;
using System.ComponentModel;
using YamlDotNet.Serialization;

namespace Bit.Setup
{
    public class Configuration
    {
        [Description("Note: After making changes to this file you need to run the `rebuild` or `update`\n" +
            "command for them to be applied.\n\n" +

            "Full URL for accessing the installation from a browser. (Required)")]
        public string Url { get; set; } = "https://localhost";

        [Description("Auto-generate the `./docker/docker-compose.yml` config file.\n" +
            "WARNING: Disabling generated config files can break future updates. You will be\n" +
            "responsible for maintaining this config file.\n" +
            "Template: https://github.com/bitwarden/server/blob/master/util/Setup/Templates/DockerCompose.hbs")]
        public bool GenerateComposeConfig { get; set; } = true;

        [Description("Auto-generate the `./nginx/default.conf` file.\n" +
            "WARNING: Disabling generated config files can break future updates. You will be\n" +
            "responsible for maintaining this config file.\n" +
            "Template: https://github.com/bitwarden/server/blob/master/util/Setup/Templates/NginxConfig.hbs")]
        public bool GenerateNginxConfig { get; set; } = true;

        [Description("Docker compose file port mapping for HTTP. Leave empty to remove the port mapping.\n" +
            "Learn more: https://docs.docker.com/compose/compose-file/#ports")]
        public string HttpPort { get; set; } = "80";

        [Description("Docker compose file port mapping for HTTPS. Leave empty to remove the port mapping.\n" +
            "Learn more: https://docs.docker.com/compose/compose-file/#ports")]
        public string HttpsPort { get; set; } = "443";

        [Description("Docker compose file version. Leave empty for default.\n" +
            "Learn more: https://docs.docker.com/compose/compose-file/compose-versioning/")]
        public string ComposeVersion { get; set; }

        [Description("Configure Nginx for Captcha.")]
        public bool Captcha { get; set; } = false;

        [Description("Configure Nginx for SSL.")]
        public bool Ssl { get; set; } = true;

        [Description("SSL versions used by Nginx (ssl_protocols). Leave empty for recommended default.\n" +
            "Learn more: https://wiki.mozilla.org/Security/Server_Side_TLS")]
        public string SslVersions { get; set; }

        [Description("SSL ciphersuites used by Nginx (ssl_ciphers). Leave empty for recommended default.\n" +
            "Learn more: https://wiki.mozilla.org/Security/Server_Side_TLS")]
        public string SslCiphersuites { get; set; }

        [Description("Installation uses a managed Let's Encrypt certificate.")]
        public bool SslManagedLetsEncrypt { get; set; }

        [Description("The actual certificate. (Required if using SSL without managed Let's Encrypt)\n" +
            "Note: Path uses the container's ssl directory. The `./ssl` host directory is mapped to\n" +
            "`/etc/ssl` within the container.")]
        public string SslCertificatePath { get; set; }

        [Description("The certificate's private key. (Required if using SSL without managed Let's Encrypt)\n" +
            "Note: Path uses the container's ssl directory. The `./ssl` host directory is mapped to\n" +
            "`/etc/ssl` within the container.")]
        public string SslKeyPath { get; set; }

        [Description("If the certificate is trusted by a CA, you should provide the CA's certificate.\n" +
            "Note: Path uses the container's ssl directory. The `./ssl` host directory is mapped to\n" +
            "`/etc/ssl` within the container.")]
        public string SslCaPath { get; set; }

        [Description("Diffie Hellman ephemeral parameters\n" +
            "Learn more: https://security.stackexchange.com/q/94390/79072\n" +
            "Note: Path uses the container's ssl directory. The `./ssl` host directory is mapped to\n" +
            "`/etc/ssl` within the container.")]
        public string SslDiffieHellmanPath { get; set; }

        [Description("Nginx Header Content-Security-Policy parameter\n" +
            "WARNING: Reconfiguring this parameter may break features. By changing this parameter\n" +
            "you become responsible for maintaining this value.")]
        public string NginxHeaderContentSecurityPolicy { get; set; } = "default-src 'self'; style-src 'self' " +
            "'unsafe-inline'; img-src 'self' data: https://haveibeenpwned.com https://www.gravatar.com; " +
            "child-src 'self' https://*.duosecurity.com https://*.duofederal.com; " +
            "frame-src 'self' https://*.duosecurity.com https://*.duofederal.com; " +
            "connect-src 'self' wss://{0} https://api.pwnedpasswords.com " +
            "https://2fa.directory; object-src 'self' blob:;";

        [Description("Communicate with the Bitwarden push relay service (push.bitwarden.com) for mobile\n" +
            "app live sync.")]
        public bool PushNotifications { get; set; } = true;

        [Description("Use a docker volume (`mssql_data`) instead of a host-mapped volume for the persisted " +
            "database.\n" +
            "WARNING: Changing this value will cause you to lose access to the existing persisted database.\n" +
            "Learn more: https://docs.docker.com/storage/volumes/")]
        public bool DatabaseDockerVolume { get; set; }

        [Description("Defines \"real\" IPs in nginx.conf. Useful for defining proxy servers that forward the \n" +
            "client IP address.\n" +
            "Learn more: https://nginx.org/en/docs/http/ngx_http_realip_module.html")]
        public List<string> RealIps { get; set; }

        [Description("Enable Key Connector (https://bitwarden.com/help/article/deploy-key-connector)")]
        public bool EnableKeyConnector { get; set; } = false;

        [YamlIgnore]
        public string Domain
        {
            get
            {
                if (Uri.TryCreate(Url, UriKind.Absolute, out var uri))
                {
                    return uri.Host;
                }
                return null;
            }
        }
    }
}