use std::path::PathBuf;

#[derive(Debug, thiserror::Error)]
pub enum BumperError {
    #[error("Can't figure out what kind of project: {0}")]
    UnknownProjectKind(PathBuf),

    #[error("Couldn't read file {0}: {1}")]
    Read(PathBuf, #[source] std::io::Error),

    #[error("Couldn't write file {0}: {1}")]
    Write(PathBuf, #[source] std::io::Error),

    #[error("Couldn't find Cargo.toml in {0}: {1}")]
    CargoTomlNotFound(PathBuf, #[source] cargo_edit::Error),

    #[error("Couldn't parse Cargo.toml from {0}: {1}")]
    FromToml(PathBuf, #[source] cargo_edit::Error),

    #[error("Couldn't create Cargo.toml manifest to {0}: {1}")]
    WriteToml(PathBuf, #[source] cargo_edit::Error),

    #[error("Cargo.toml doesn't have a 'package' table")]
    NoPackage(#[source] cargo_edit::Error),

    #[error("'project' in Cargo.toml is not a table")]
    ProjectNotTable,

    #[error("Cargo.toml doesn't specify a package name")]
    UnnamedProject,

    #[error("Couldn't turn {0} into an absolute path: {1}")]
    AbsPath(PathBuf, #[source] std::io::Error),

    #[error("Failed to run git: {0}")]
    GitInvoke(#[source] std::io::Error),

    #[error("Command 'git tag' failed: {0}")]
    GitTag(String),
}

impl BumperError {
    pub fn git_tag(stderr: &[u8]) -> Self {
        let stderr = String::from_utf8_lossy(stderr).into_owned();
        Self::GitTag(stderr)
    }
}