use actix_web::{HttpResponse, web};

use crate::api::response::{ApiEmptyResponse, ApiErrorResponse};
use crate::error::AppError;
use crate::service::AppService;
use crate::session::Session;

#[utoipa::path(
    post,
    path = "/api/v1/workspaces/{workspace_name}/leave",
    tag = "Workspaces",
    operation_id = "workspaceLeave",
    summary = "Leave a workspace",
    description = "Remove the current user from the workspace. The owner cannot leave; transfer ownership first.",
    params(
        ("workspace_name" = String, Path, description = "Workspace name.")
    ),
    responses(
        (status = 200, description = "Left the workspace.", body = ApiEmptyResponse),
        (status = 400, description = "Owner cannot leave.", body = ApiErrorResponse),
        (status = 401, description = "Unauthenticated or not a member.", body = ApiErrorResponse),
        (status = 500, description = "Database transaction failed.", body = ApiErrorResponse)
    )
)]
pub async fn handle(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
) -> Result<HttpResponse, AppError> {
    let ws = service.workspace.find_workspace_by_name(&path).await?;
    service.workspace.workspace_leave(&session, &ws).await?;
    Ok(HttpResponse::Ok().json(ApiEmptyResponse::ok("left workspace")))
}