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#[derive(Clone, Debug)]
pub struct SmtpStatusCode {
    pub number: usize,
    pub text: String,
}

impl SmtpStatusCode {
    pub fn from_number(error_number: usize) -> Self {
        match error_number {
            211 => SmtpStatusCode {
                number: 211,
                text: String::from("System status"),
            },
            220 => SmtpStatusCode {
                number: 220,
                text: String::from("Service ready"),
            },
            250 => SmtpStatusCode {
                number: 250,
                text: String::from("Requested mail action okay, completed"),
            },
            251 => SmtpStatusCode {
                number: 251,
                text: String::from("User not local; will forward"),
            },
            252 => SmtpStatusCode {
                number: 252,
                text: String::from(
                    "Cannot verify the user, but it will try to deliver the message anyway",
                ),
            },
            354 => SmtpStatusCode {
                number: 354,
                text: String::from("Start mail input"),
            },
            421 => SmtpStatusCode {
                number: 421,
                text: String::from("Service is unavailable because the server is shutting down"),
            },
            450 => SmtpStatusCode {
                number: 450,
                text: String::from("Requested mail action not taken: mailbox unavailable"),
            },
            451 => SmtpStatusCode {
                number: 451,
                text: String::from("Requested action aborted: local error in processing"),
            },
            452 => SmtpStatusCode {
                number: 452,
                text: String::from("Requested action not taken: insufficient system storage"),
            },
            455 => SmtpStatusCode {
                number: 455,
                text: String::from("Server unable to accommodate parameters"),
            },
            500 => SmtpStatusCode {
                number: 500,
                text: String::from("Syntax error, command unrecognized"),
            },
            501 => SmtpStatusCode {
                number: 501,
                text: String::from("Syntax error in parameters or arguments"),
            },
            502 => SmtpStatusCode {
                number: 502,
                text: String::from("Command not implemented"),
            },
            503 => SmtpStatusCode {
                number: 503,
                text: String::from("Bad sequence of commands"),
            },
            504 => SmtpStatusCode {
                number: 504,
                text: String::from("Command parameter is not implemented"),
            },
            521 => SmtpStatusCode {
                number: 521,
                text: String::from("Server does not accept mail"),
            },
            523 => SmtpStatusCode {
                number: 523,
                text: String::from("Encryption Needed"),
            },
            550 => SmtpStatusCode {
                number: 550,
                text: String::from("Requested action not taken: mailbox unavailable"),
            },
            552 => SmtpStatusCode {
                number: 552,
                text: String::from("Requested mail action aborted: exceeded storage allocation"),
            },
            553 => SmtpStatusCode {
                number: 553,
                text: String::from("Requested action not taken: mailbox name not allowed"),
            },
            554 => SmtpStatusCode {
                number: 554,
                text: String::from("Transaction has failed"),
            },
            556 => SmtpStatusCode {
                number: 556,
                text: String::from("Domain does not accept mail"),
            },
            nb => SmtpStatusCode {
                number: nb,
                text: String::new(),
            },
        }
    }
}

impl ToString for SmtpStatusCode {
    fn to_string(&self) -> String {
        format!("{} {}", self.number, self.text)
    }
}