use std::path::PathBuf;

use crate::{BranchName, GitDir, RepoBranches, RepoConfig, RepoConfigSource, RepoPath};

/// Defines a Repo within a ForgeConfig to be monitored by the server
/// Maps from `git-next-server.toml` at `forge.{forge}.repos.{name}`
#[derive(
    Clone, Debug, PartialEq, Eq, serde::Deserialize, derive_more::Constructor, derive_more::Display,
)]
#[display("{}@{}", repo, branch)]
pub struct ServerRepoConfig {
    /// repo path: owner/repo
    repo: String,
    /// branch name
    branch: String,
    gitdir: Option<PathBuf>,
    main: Option<String>,
    next: Option<String>,
    dev: Option<String>,
}
impl ServerRepoConfig {
    pub fn repo(&self) -> RepoPath {
        RepoPath::new(self.repo.clone())
    }

    pub fn branch(&self) -> BranchName {
        BranchName::new(&self.branch)
    }

    pub fn gitdir(&self) -> Option<GitDir> {
        self.gitdir.clone().map(GitDir::from)
    }

    /// Returns a RepoConfig from the server configuration if ALL THREE branches were provided
    pub fn repo_config(&self) -> Option<RepoConfig> {
        match (&self.main, &self.next, &self.dev) {
            (Some(main), Some(next), Some(dev)) => Some(RepoConfig::new(
                RepoBranches::new(main.to_string(), next.to_string(), dev.to_string()),
                RepoConfigSource::Server,
            )),
            _ => None,
        }
    }
}