"use server";

import { revalidatePath } from "next/cache";
import { createClient } from "@/lib/supabase/server";

type ActionResult = { success: boolean; error?: string };

export type ReorgMovePayload = {
  kind: "emp" | "team" | "abt" | "dept";
  label: string;
  employee_ids: string[];
  target_team_id: string;
};

export async function applyReorg(payload: {
  name: string;
  effective_date: string;
  moves: ReorgMovePayload[];
}): Promise<ActionResult & { scenarioId?: string }> {
  const supabase = await createClient();
  const { data, error } = await supabase.rpc("apply_reorg", { payload });
  if (error) return { success: false, error: error.message };
  revalidatePath("/orgchart");
  revalidatePath("/employees");
  revalidatePath("/");
  return { success: true, scenarioId: data as string };
}

export async function undoReorg(payload: { scenario_id: string }): Promise<ActionResult> {
  const supabase = await createClient();
  const { error } = await supabase.rpc("undo_reorg", { payload });
  if (error) return { success: false, error: error.message };
  revalidatePath("/orgchart");
  revalidatePath("/employees");
  revalidatePath("/");
  return { success: true };
}