import { z } from "zod";
import { apiJson, withApiHandler } from "@/lib/api-handler";
import {
  createShareLinkForScope,
  listShareLinksForScope,
  listShareableEntityTypes,
} from "@/modules/_core/share-api";

const createShareLinkInput = z.object({
  entityType: z.string().trim().min(1),
  entityId: z.string().uuid(),
  expiresAt: z.string().datetime().nullable().optional(),
  capabilities: z
    .object({
      read: z.boolean().optional(),
      write: z.boolean().optional(),
    })
    .optional(),
});

export async function GET(request: Request) {
  return withApiHandler(request, async (scope, req) => {
    const url = new URL(req.url);
    const entityType = url.searchParams.get("entityType") ?? undefined;
    const entityId = url.searchParams.get("entityId") ?? undefined;

    if (url.searchParams.get("entityTypes") === "true") {
      return apiJson(listShareableEntityTypes());
    }

    const links = await listShareLinksForScope(scope, { entityType, entityId });
    return apiJson(links);
  });
}

export async function POST(request: Request) {
  return withApiHandler(request, async (scope, req) => {
    const body: unknown = await req.json();
    const parsed = createShareLinkInput.parse(body);
    const expiresAt = parsed.expiresAt ? new Date(parsed.expiresAt) : null;

    const result = await createShareLinkForScope(scope, parsed.entityType, parsed.entityId, {
      expiresAt,
      capabilities: parsed.capabilities,
    });

    return apiJson(
      {
        url: result.url,
        expiresAt: result.expiresAt?.toISOString() ?? null,
      },
      201,
    );
  });
}