import { NextResponse } from 'next/server';
import { z } from 'zod';

import { withAuth, withPermission } from '@/lib/api/helpers';
import { parseBody } from '@/lib/api/route-helpers';
import { errorResponse, ForbiddenError } from '@/lib/errors';
import { createCrmInvite, listCrmInvites } from '@/lib/services/crm-invite.service';

export const GET = withAuth(
  withPermission('admin', 'manage_users', async (_req, ctx) => {
    try {
      // crm_user_invites is a global table (no per-port column) — invites
      // mint better-auth users that may later be assigned roles in any
      // port. Listing it cross-tenant would let a port-A director
      // enumerate pending invitee emails, names, and isSuperAdmin flags
      // for every other tenant. Restrict the listing to super-admins.
      if (!ctx.isSuperAdmin) {
        throw new ForbiddenError('Listing CRM invites requires super-admin');
      }
      const data = await listCrmInvites();
      return NextResponse.json({ data });
    } catch (error) {
      return errorResponse(error);
    }
  }),
);

const createInviteSchema = z.object({
  email: z.string().email(),
  name: z.string().min(1).max(200).optional(),
  isSuperAdmin: z.boolean().optional().default(false),
});

export const POST = withAuth(
  withPermission('admin', 'manage_users', async (req, ctx) => {
    try {
      const body = await parseBody(req, createInviteSchema);
      // Only existing super-admins can mint super-admin invitations. The
      // manage_users permission is granted to port-scoped director roles,
      // which must not be able to elevate themselves cross-tenant by
      // inviting a fresh super_admin.
      if (body.isSuperAdmin && !ctx.isSuperAdmin) {
        throw new ForbiddenError('Only super admins can mint super-admin invitations');
      }
      const result = await createCrmInvite({ ...body, invitedBy: ctx });
      return NextResponse.json({ data: result }, { status: 201 });
    } catch (error) {
      return errorResponse(error);
    }
  }),
);