import { NextResponse } from 'next/server';

import { withAuth, withPermission } from '@/lib/api/helpers';
import { parseQuery, parseBody } from '@/lib/api/route-helpers';
import { errorResponse } from '@/lib/errors';
import {
  listTemplates,
  createTemplate,
} from '@/lib/services/document-templates';
import {
  listTemplatesSchema,
  createTemplateSchema,
} from '@/lib/validators/document-templates';

export const GET = withAuth(
  withPermission('documents', 'view', async (req, ctx) => {
    try {
      const query = parseQuery(req, listTemplatesSchema);
      const result = await listTemplates(ctx.portId, query);
      const { data, total } = result as { data: unknown[]; total: number };
      const page = query.page;
      const limit = query.limit;
      const totalPages = Math.ceil(total / limit);
      return NextResponse.json({
        data,
        pagination: {
          page,
          pageSize: limit,
          total,
          totalPages,
          hasNextPage: page < totalPages,
          hasPreviousPage: page > 1,
        },
      });
    } catch (error) {
      return errorResponse(error);
    }
  }),
);

export const POST = withAuth(
  withPermission('admin', 'manage_forms', async (req, ctx) => {
    try {
      const body = await parseBody(req, createTemplateSchema);
      const result = await createTemplate(ctx.portId, body, {
        userId: ctx.userId,
        portId: ctx.portId,
        ipAddress: ctx.ipAddress,
        userAgent: ctx.userAgent,
      });
      return NextResponse.json({ data: result }, { status: 201 });
    } catch (error) {
      return errorResponse(error);
    }
  }),
);