import { Router } from "express";
import { authenticateToken, type AuthenticatedRequest } from "../middleware/auth.middleware";
import { tenantIsolation } from "../middleware/tenant.middleware";
import { executeTaskTransition } from "../services/task-transition.service";
import { parseOfflineTimestamp } from "./task-helpers";

export function registerTaskTransitionRoutes(router: ReturnType<typeof import("express").Router>): void {
  router.post('/api/tasks/:id/transition',
    authenticateToken,
    tenantIsolation,
    async (req: AuthenticatedRequest, res) => {
      try {
        const taskId = parseInt(req.params.id);
        const { transitionId, action } = req.body; // action: 'approve' | 'reject'

        if (isNaN(taskId) || !transitionId) {
          return res.status(400).json({
            success: false,
            error: 'Неверные параметры'
          });
        }

        const result = await executeTaskTransition({
          taskId,
          transitionId,
          action,
          user: req.user,
          organizationId: req.organizationId!,
          offlineEnqueuedAt: parseOfflineTimestamp(req),
        });

        if (!result.success) {
          return res.status(result.status || 500).json({
            success: false,
            error: result.error,
            ...(result.fields ? { fields: result.fields } : {})
          });
        }

        return res.json({
          success: true,
          message: result.message,
          task: result.task
        });
      } catch (error) {
        console.error('Transition route error:', error);
        return res.status(500).json({
          success: false,
          error: 'Ошибка при выполнении перехода'
        });
      }
    }
  );

  // Get task field values
}