use axum::extract::{Path, Query, State};
use export::rest::AppResponseData;
use gitbaby::commit::types::TreeEntry;
use session::Session;

use crate::errors::{ApiError, GitApiError};
use crate::handler::resolve_reader;
use crate::service::GitService;

#[derive(Debug, Clone, serde::Deserialize)]
pub struct TreeWalkQuery {
    pub revision: String,
    #[serde(default)]
    pub recurse: Option<bool>,
    #[serde(default)]
    pub show_trees: Option<bool>,
}

pub async fn tree_walk(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<crate::handler::RepoPath>,
    Query(q): Query<TreeWalkQuery>,
) -> Result<AppResponseData<Vec<TreeEntry>>, ApiError> {
    let _ = resolve_reader(&service, &session, path.space_name.clone(), path.repo_name.clone()).await?;
    let out = service
        .tree_walk(
            path.space_name,
            path.repo_name,
            q.revision,
            q.recurse.unwrap_or(false),
            q.show_trees.unwrap_or(false),
        )
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}