use git_version::git_version;
use target_info::Target;

/// Returns the current version of this build of Lighthouse.
///
/// A plus-sign (`+`) is appended to the git commit if the tree is dirty.
///
/// ## Example
///
/// `v0.5.2` or `v0.5.2-1-67da032+`
pub const VERSION: &str = git_version!(
    args = [
        "--always",
        "--dirty=+",
        "--abbrev=7",
        // NOTE: using --match instead of --exclude for compatibility with old Git
        // "--match=thiswillnevermatchlol"
        "--tags",
    ],
    // prefix = "zgs/v0.0.1-",
    fallback = "unknown"
);

/// Returns `VERSION`, but with `zgs` prefix and platform information appended to the end.
///
/// ## Example
///
/// `zgs/v0.5.2/x86_64-linux`
pub fn version_with_platform() -> String {
    format!("zgs/{}/{}-{}", VERSION, Target::arch(), Target::os())
}

// #[cfg(test)]
// mod test {
//     use super::*;
//     use regex::Regex;

//     #[test]
//     fn version_formatting() {
//         let re =
//             Regex::new(r"^v[0-9]+\.[0-9]+\.[0-9]+(-rc.[0-9])?-[[:xdigit:]]{7}\+?$").unwrap();
//         assert!(
//             re.is_match(VERSION),
//             "version doesn't match regex: {}",
//             VERSION
//         );
//     }
// }