use actix_web::{HttpResponse, web};

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::models::base_info::resolve_users;
use crate::models::workspaces::WorkspaceDetail;
use crate::service::AppService;
use crate::service::workspace::core::CreateWorkspaceParams;
use crate::session::Session;

#[utoipa::path(
    post,
    path = "/api/v1/workspaces",
    tag = "Workspaces",
    operation_id = "workspaceCreate",
    summary = "Create a workspace",
    description = "Create a new workspace. The creator automatically becomes the owner.",
    request_body(
        content = CreateWorkspaceParams,
        description = "Workspace creation parameters.",
        content_type = "application/json"
    ),
    responses(
        (status = 200, description = "Workspace created.", body = ApiResponse<WorkspaceDetail>),
        (status = 400, description = "Name is required or visibility is invalid.", body = ApiErrorResponse),
        (status = 401, description = "Unauthenticated.", body = ApiErrorResponse),
        (status = 500, description = "Database transaction failed.", body = ApiErrorResponse)
    )
)]
pub async fn handle(
    service: web::Data<AppService>,
    session: Session,
    params: web::Json<CreateWorkspaceParams>,
) -> Result<HttpResponse, AppError> {
    let data = service
        .workspace
        .workspace_create(&session, params.into_inner())
        .await?;

    let db = &service.ctx.db;
    let users = resolve_users(db, &[data.owner_id]).await?;
    let owner = users.get(&data.owner_id).cloned().unwrap_or_default();
    let detail = data.into_detail(owner);

    Ok(HttpResponse::Ok().json(ApiResponse::new(detail)))
}