use structopt::StructOpt;

#[derive(Debug, StructOpt)]
#[structopt(about, author)]
pub struct Options {
    #[structopt(long, short = "l", env = "SERVER_NAME")]
    /// Name for server
    pub name: Option<String>,

    #[structopt(long, short = "a", default_value = "[::]", env = "SERVER_HOST")]
    /// Host address (E.g 127.0.0.1)
    pub host: String,

    #[structopt(long, short = "p", default_value = "80", env = "SERVER_PORT")]
    /// Host port
    pub port: u16,

    #[structopt(long, short = "d", default_value = "./public", env = "SERVER_ROOT")]
    /// Root directory path of static files
    pub root: String,

    #[structopt(
        long,
        short = "f",
        default_value = "./public/assets",
        env = "SERVER_ASSETS"
    )]
    /// Assets directory path for add cache headers functionality
    pub assets: String,

    #[structopt(
        long,
        default_value = "./public/50x.html",
        env = "SERVER_ERROR_PAGE_50X"
    )]
    /// HTML file path for 50x errors. If path is not specified or simply don't exists then server will use a generic HTML error message.
    pub page50x: String,

    #[structopt(
        long,
        default_value = "./public/404.html",
        env = "SERVER_ERROR_PAGE_404"
    )]
    /// HTML file path for 404 errors. If path is not specified or simply don't exists then server will use a generic HTML error message.
    pub page404: String,

    #[structopt(long, short = "t", env = "SERVER_TLS")]
    /// Enables TLS/SSL support.
    pub tls: Option<bool>,

    #[structopt(long, env = "SERVER_TLS_PKCS12")]
    /// A cryptographic identity PKCS #12 bundle file path containing a X509 certificate along with its corresponding private key and chain of certificates to a trusted root.
    pub tls_pkcs12: Option<String>,

    #[structopt(long, env = "SERVER_TLS_PKCS12_PASSWD")]
    /// A specified password to decrypt the private key.
    pub tls_pkcs12_passwd: Option<String>,

    #[structopt(long, env = "SERVER_TLS_REDIRECT_FROM")]
    /// Host port for redirecting HTTP requests to HTTPS. This option enables the HTTP redirect feature.
    pub tls_redirect_from: Option<u16>,

    #[structopt(long, env = "SERVER_TLS_REDIRECT_HOST")]
    /// Host name of HTTPS site for redirecting HTTP requests to. Defaults to host address.
    pub tls_redirect_host: Option<String>,

    #[structopt(long, short = "g", default_value = "error", env = "SERVER_LOG_LEVEL")]
    /// Specify a logging level in lower case.
    pub log_level: String,

    #[structopt(long, short = "c", env = "SERVER_CORS_ALLOW_ORIGINS")]
    /// Specify a CORS list of allowed origin hosts separated by comas. Host ports or protocols aren't being checked. Use an asterisk (*) to allow any host.
    pub cors_allow_origins: Option<String>,

    #[structopt(long, short = "i", env = "SERVER_DIRECTORY_LISTING")]
    /// Enable directory listing for all requests ending with the slash character (‘/’).
    pub directory_listing: Option<bool>,
}