use export::http::{Path, Query, State};
use export::rest::AppResponseData;
use jwt::Session;

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

#[derive(Debug, Clone, serde::Deserialize, utoipa::IntoParams)]
pub struct ConflictDetailQuery {
    pub base: String,
    pub head: String,
    pub path: String,
}

#[utoipa::path(
    get,
    path = "/repos/{space_name}/{repo_name}/conflicts/detail",
    tag = "conflicts",
    description = "读取指定冲突文件在合并检查中生成的冲突内容。",
    params(crate::handler::RepoPath, ConflictDetailQuery),
    responses(
        (status = 200, description = "conflict detail", body = AppResponseData<ConflictDetailDto>)
    )
)]
pub async fn conflict_detail(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<crate::handler::RepoPath>,
    Query(q): Query<ConflictDetailQuery>,
) -> Result<AppResponseData<ConflictDetailDto>, ApiError> {
    let _ = handler::resolve_reader(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let out = service
        .conflict_detail(path.space_name, path.repo_name, q.base, q.head, q.path)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}