use actix_web::{HttpResponse, web};

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::models::workspaces::WorkspaceBilling;
use crate::service::AppService;
use crate::service::workspace::billing::UpdateBillingParams;
use crate::session::Session;

#[utoipa::path(
    put,
    path = "/api/v1/workspaces/{workspace_name}/billing",
    tag = "Workspaces",
    operation_id = "workspaceUpdateBilling",
    summary = "Update billing information",
    description = "Update billing plan, email, or seat count. Requires owner role.",
    params(
        ("workspace_name" = String, Path, description = "Workspace name.")
    ),
    request_body(
        content = UpdateBillingParams,
        description = "Billing update parameters — only included fields are changed.",
        content_type = "application/json"
    ),
    responses(
        (status = 200, description = "Billing updated.", body = ApiResponse<WorkspaceBilling>),
        (status = 401, description = "Unauthenticated or insufficient role.", body = ApiErrorResponse),
        (status = 404, description = "Workspace not found.", body = ApiErrorResponse),
        (status = 500, description = "Database transaction failed.", body = ApiErrorResponse)
    )
)]
pub async fn handle(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
    params: web::Json<UpdateBillingParams>,
) -> Result<HttpResponse, AppError> {
    let ws = service.workspace.find_workspace_by_name(&path).await?;
    let data = service
        .workspace
        .workspace_update_billing(&session, &ws, params.into_inner())
        .await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new(data)))
}