//! conflict Operation trait for the conflict module (three-way merge checks based on gix).

use crate::conflict::types::{ConflictDetail, MergeStatus};

/// Operation trait for the conflict module.
pub trait ConflictOps {
    /// Check whether a merge is feasible.
    fn conflict_check(&self, base: &str, head: &str) -> Result<MergeStatus, crate::Error>;
    /// List of conflicted files.
    fn conflict_conflicted_files(
        &self,
        base: &str,
        head: &str,
    ) -> Result<Vec<String>, crate::Error>;
    /// Single-file conflict details.
    fn conflict_detail(
        &self,
        base: &str,
        head: &str,
        path: &str,
    ) -> Result<ConflictDetail, crate::Error>;
    /// Three-way conflict check using an explicit merge-base ancestor.
    fn conflict_check_threeway(
        &self,
        ours: &str,
        theirs: &str,
        ancestor: &str,
    ) -> Result<MergeStatus, crate::Error>;
}