"use server";

import { revalidatePath } from "next/cache";

import { requireSession } from "@/lib/auth/session";
import {
  linkCommitManually,
  relinkProject,
  unlinkCommit,
} from "@/lib/linking/engine";

/** See the security note at the top of src/app/actions/cards.ts. */
async function requireOwner() {
  const session = await requireSession();
  if (session.role !== "owner") throw new Error("Not found");
  return session;
}

export async function relinkProjectAction(input: {
  projectId: string;
  clientSlug: string;
  projectSlug: string;
}): Promise<{ linked: number; unlinked: number; preserved: number }> {
  await requireOwner();
  const result = await relinkProject(input.projectId);

  revalidatePath(`/p/${input.clientSlug}/${input.projectSlug}/unassigned`);
  return {
    linked: result.linked,
    unlinked: result.unlinked,
    preserved: result.preserved,
  };
}

export async function linkCommitAction(input: {
  commitId: string;
  cardId: string;
  clientSlug: string;
  projectSlug: string;
}): Promise<void> {
  await requireOwner();
  await linkCommitManually(input.commitId, input.cardId);
  revalidatePath(`/p/${input.clientSlug}/${input.projectSlug}/unassigned`);
}

export async function unlinkCommitAction(input: {
  commitId: string;
  clientSlug: string;
  projectSlug: string;
}): Promise<void> {
  await requireOwner();
  await unlinkCommit(input.commitId);
  revalidatePath(`/p/${input.clientSlug}/${input.projectSlug}/unassigned`);
}