use ::session::Session;
use export::http::{Json, Path, State};
use export::rest::{AppResponseData, NoData};
use uuid::Uuid;

use crate::errors::{ApiError, GitApiError};
use crate::handler::{require_repo_admin, require_writer};
use crate::service::GitService;
use crate::service::code_comments::{CodeCommentDto, UpdateCodeCommentCmd};

#[derive(Debug, Clone, serde::Deserialize, utoipa::IntoParams)]
pub struct CodeCommentPath {
    pub space_name: String,
    pub repo_name: String,
    pub comment_id: Uuid,
}

#[utoipa::path(
    patch,
    path = "/repos/{space_name}/{repo_name}/code-comments/{comment_id}",
    tag = "code-comments",
    description = "修改行级评论正文；仅作者或仓库管理员可操作。",
    params(CodeCommentPath),
    request_body = UpdateCodeCommentCmd,
    responses(
        (status = 200, description = "updated code comment", body = AppResponseData<CodeCommentDto>)
    )
)]
pub async fn update_code_comment(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<CodeCommentPath>,
    Json(cmd): Json<UpdateCodeCommentCmd>,
) -> Result<AppResponseData<CodeCommentDto>, ApiError> {
    let (ctx, uid) = require_writer(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let admin = require_repo_admin(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await
    .is_ok();
    let out = service
        .update_code_comment(&ctx, path.comment_id, uid, admin, cmd)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}

#[utoipa::path(
    delete,
    path = "/repos/{space_name}/{repo_name}/code-comments/{comment_id}",
    tag = "code-comments",
    description = "删除行级评论及其回复；仅作者或仓库管理员可操作。",
    params(CodeCommentPath),
    responses(
        (status = 200, description = "code comment deleted", body = AppResponseData<NoData>)
    )
)]
pub async fn delete_code_comment(
    State(service): State<GitService>,
    session: Session,
    Path(path): Path<CodeCommentPath>,
) -> Result<AppResponseData<NoData>, ApiError> {
    let (ctx, uid) = require_writer(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await?;
    let admin = require_repo_admin(
        &service,
        &session,
        path.space_name.clone(),
        path.repo_name.clone(),
    )
    .await
    .is_ok();
    service
        .delete_code_comment(&ctx, path.comment_id, uid, admin)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(NoData))
}