use crate as git;
use git_next_config::BranchName;

pub type Result = core::result::Result<Positions, Error>;

pub struct Positions {
    pub main: git::Commit,
    pub next: git::Commit,
    pub dev: git::Commit,
    pub dev_commit_history: Vec<git::Commit>,
}

#[derive(Debug, derive_more::Display)]
pub enum Error {
    Fetch(git::fetch::Error),

    CommitLog(git::commit::log::Error),

    #[display("Failed to Reset Branch {branch} to {commit}")]
    FailedToResetBranch {
        branch: BranchName,
        commit: git::Commit,
    },

    BranchReset(BranchName),

    BranchHasNoCommits(BranchName),

    DevBranchNotBasedOn(BranchName),
}
impl std::error::Error for Error {}

impl From<git::fetch::Error> for Error {
    fn from(value: git::fetch::Error) -> Self {
        Self::Fetch(value)
    }
}