use actix_web::{HttpResponse, web};

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::service::AppService;
use crate::service::workspace::invitations::{CreateInvitationParams, CreateInvitationResponse};
use crate::session::Session;

#[utoipa::path(
    post,
    path = "/api/v1/workspaces/{workspace_name}/invitations",
    tag = "Workspaces",
    operation_id = "workspaceCreateInvitation",
    summary = "Create an invitation",
    description = "Invite a user by email to join the workspace. An invitation email is sent. Requires admin role.",
    params(
        ("workspace_name" = String, Path, description = "Workspace name.")
    ),
    request_body(
        content = CreateInvitationParams,
        description = "Email and optional role.",
        content_type = "application/json"
    ),
    responses(
        (status = 200, description = "Invitation created and email sent.", body = ApiResponse<CreateInvitationResponse>),
        (status = 400, description = "Email is empty, role is invalid, or invitation already exists.", body = ApiErrorResponse),
        (status = 401, description = "Unauthenticated or insufficient role.", body = ApiErrorResponse),
        (status = 500, description = "Database or email service failed.", body = ApiErrorResponse)
    )
)]
pub async fn handle(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
    params: web::Json<CreateInvitationParams>,
) -> Result<HttpResponse, AppError> {
    let ws = service.workspace.find_workspace_by_name(&path).await?;
    let data = service
        .workspace
        .workspace_create_invitation(&session, &ws, params.into_inner())
        .await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new(data)))
}