use thiserror::Error;

#[derive(Error, Debug)]
pub enum CredentialsError {
    #[error("Not an AWS instance")]
    NotEc2,
    #[error("Config not found")]
    ConfigNotFound,
    #[error("Missing aws_access_key_id section in config")]
    ConfigMissingAccessKeyId,
    #[error("Missing aws_access_key_id section in config")]
    ConfigMissingSecretKey,
    #[error("Neither {0}, nor {1} exists in the environment",)]
    MissingEnvVar(String, String),
    #[error("attohttpc: {0}")]
    Atto(#[from] attohttpc::Error),
    #[error("ini: {0}")]
    Ini(#[from] ini::Error),
    #[error("serde_xml: {0}")]
    SerdeXml(#[from] serde_xml_rs::Error),
    #[error("url parse: {0}")]
    UrlParse(#[from] url::ParseError),
    #[error("io: {0}")]
    Io(#[from] std::io::Error),
    #[error("env var: {0}")]
    Env(#[from] std::env::VarError),
    #[error("Invalid home dir")]
    HomeDir
}