import { getLinkedRepository, listProjectRepositories, type LinkedRepository } from "../integrations/gitea/service.js";
import { getFindingInvestigation, getRepositoryFinding } from "../repositories/findingRepository.js";

export class PartialExternalMutationError extends Error {}

export const requireLink = async (projectId: string, write = false, repositoryId?: string): Promise<LinkedRepository> => {
  const link = repositoryId ? (await listProjectRepositories(projectId)).find((item) => item.id === repositoryId) : await getLinkedRepository(projectId);
  if (!link) throw new Error("GITEA_LINK_NOT_FOUND");
  if (write && link.accessMode !== "read_write") throw new Error("GITEA_REPOSITORY_READ_ONLY");
  return link;
};

export const assertFindingProject = async (projectId: string, findingId: string) => {
  const [link, finding] = await Promise.all([requireLink(projectId), getRepositoryFinding(findingId)]);
  if (finding.projectId !== link.projectId) throw new Error("FINDING_PROJECT_SCOPE_MISMATCH");
  return finding;
};

export const assertInvestigationProject = async (projectId: string, investigationId: string) => {
  const [link, investigation] = await Promise.all([requireLink(projectId), getFindingInvestigation(investigationId)]);
  if (investigation.projectId !== link.projectId) throw new Error("FINDING_PROJECT_SCOPE_MISMATCH");
  return investigation;
};