use std::path::PathBuf;

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 TreePath {
    pub space_name: String,
    pub repo_name: String,
    pub revision: String,
}

#[derive(Debug, Clone, serde::Deserialize)]
pub struct TreeReadQuery {
    #[serde(default)]
    pub path: Option<String>,
}

pub async fn tree_read(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<TreePath>,
    Query(q): Query<TreeReadQuery>,
) -> Result<AppResponseData<Vec<TreeEntry>>, ApiError> {
    let _ = resolve_reader(&service, &session, path.space_name.clone(), path.repo_name.clone()).await?;
    let out = service
        .tree_read(
            path.space_name,
            path.repo_name,
            path.revision,
            PathBuf::from(q.path.unwrap_or_default()),
        )
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}