use thiserror::Error;
#[derive(Error, Debug)]
pub enum MailerError {
#[error("Email transport error: {0}")]
Transport(#[from] lettre::transport::smtp::Error),
#[error("Email address error: {0}")]
Address(#[from] lettre::address::AddressError),
#[error("Email builder error: {0}")]
Builder(String),
#[error("Template error: {0}")]
Template(#[from] askama::Error),
#[error("Serialization error: {0}")]
Serialization(#[from] serde_json::Error),
#[error("File transport error: {0}")]
File(#[from] lettre::transport::file::Error),
#[error("Sendmail transport error: {0}")]
Sendmail(#[from] lettre::transport::sendmail::Error),
#[error("Email message error: {0}")]
Message(#[from] lettre::error::Error),
#[error("Configuration error: {0}")]
Config(String),
#[error("IO error: {0}")]
Io(#[from] std::io::Error),
}
pub type Result<T> = std::result::Result<T, MailerError>;