import { z } from "zod";

import { WorkspaceNotFoundError } from "../../entities/errors/workspace";
import { workspaceSchema } from "../../entities/models/workspace";
import type { IWorkspaceRepository } from "../repositories/workspace.repository.interface";

// ── Input ────────────────────────────────────────────────────────────────
export const getWorkspaceStatusInputSchema = z
  .object({
    id: z.string().min(1),
  })
  .strict();
export type GetWorkspaceStatusInput = z.infer<
  typeof getWorkspaceStatusInputSchema
>;

// ── Output ───────────────────────────────────────────────────────────────
// Persisted state only in this story — runner-driven transitions (story 07)
// extend the status enum, not this shape.
export const getWorkspaceStatusOutputSchema = workspaceSchema.pick({
  id: true,
  status: true,
});
export type GetWorkspaceStatusOutput = z.infer<
  typeof getWorkspaceStatusOutputSchema
>;

// ── Use case ─────────────────────────────────────────────────────────────
export type IGetWorkspaceStatusUseCase = ReturnType<
  typeof getWorkspaceStatusUseCase
>;

export const getWorkspaceStatusUseCase =
  (workspaceRepository: IWorkspaceRepository) =>
  async (input: GetWorkspaceStatusInput): Promise<GetWorkspaceStatusOutput> => {
    const workspace = await workspaceRepository.getWorkspace(input.id);
    if (!workspace) {
      throw new WorkspaceNotFoundError(`Workspace not found: ${input.id}`);
    }
    return getWorkspaceStatusOutputSchema.parse({
      id: workspace.id,
      status: workspace.status,
    });
  };