/**
 * Agent Assignment API Routes
 * Based on: docs/foundation/microdao_Governance_And_Permissions_v1.md
 */

import { Router, Request, Response } from 'express';
import { assignmentService } from '../services/assignment/assignment.service';
import { logger } from '../infra/logger/logger';

const router = Router();

/**
 * POST /api/assignments
 * Create a new agent assignment
 */
router.post('/', async (req: Request, res: Response) => {
  try {
    const { agentId, targetMicrodaoId, scope, role, metadata } = req.body;

    const assignment = await assignmentService.createAssignment({
      agentId,
      targetMicrodaoId,
      scope,
      role,
      metadata,
    });

    res.status(201).json({
      success: true,
      data: assignment,
    });
  } catch (error) {
    logger.error('Failed to create assignment', error);
    res.status(500).json({
      success: false,
      error: 'Failed to create assignment',
    });
  }
});

/**
 * DELETE /api/assignments/:id
 * End an agent assignment
 */
router.delete('/:id', async (req: Request, res: Response) => {
  try {
    const { id } = req.params;

    await assignmentService.endAssignment(id);

    res.json({
      success: true,
      message: 'Assignment ended',
    });
  } catch (error) {
    logger.error('Failed to end assignment', error);
    res.status(500).json({
      success: false,
      error: 'Failed to end assignment',
    });
  }
});

/**
 * GET /api/assignments/agent/:agentId
 * Get all active assignments for an agent
 */
router.get('/agent/:agentId', async (req: Request, res: Response) => {
  try {
    const { agentId } = req.params;

    const assignments = await assignmentService.getAgentAssignments(agentId);

    res.json({
      success: true,
      data: assignments,
    });
  } catch (error) {
    logger.error('Failed to get agent assignments', error);
    res.status(500).json({
      success: false,
      error: 'Failed to get assignments',
    });
  }
});

/**
 * GET /api/assignments/microdao/:microdaoId
 * Get all assignments for a MicroDAO
 */
router.get('/microdao/:microdaoId', async (req: Request, res: Response) => {
  try {
    const { microdaoId } = req.params;

    const assignments = await assignmentService.getMicrodaoAssignments(microdaoId);

    res.json({
      success: true,
      data: assignments,
    });
  } catch (error) {
    logger.error('Failed to get microdao assignments', error);
    res.status(500).json({
      success: false,
      error: 'Failed to get assignments',
    });
  }
});

/**
 * GET /api/assignments/citywide
 * Get all citywide assignments (DAARION108)
 */
router.get('/citywide', async (req: Request, res: Response) => {
  try {
    const assignments = await assignmentService.getCitywideAssignments();

    res.json({
      success: true,
      data: assignments,
    });
  } catch (error) {
    logger.error('Failed to get citywide assignments', error);
    res.status(500).json({
      success: false,
      error: 'Failed to get assignments',
    });
  }
});

/**
 * GET /api/assignments/agent/:agentId/scope
 * Get agent's effective scope
 */
router.get('/agent/:agentId/scope', async (req: Request, res: Response) => {
  try {
    const { agentId } = req.params;

    const scope = await assignmentService.getAgentScope(agentId);

    res.json({
      success: true,
      data: scope,
    });
  } catch (error) {
    logger.error('Failed to get agent scope', error);
    res.status(500).json({
      success: false,
      error: 'Failed to get scope',
    });
  }
});

/**
 * GET /api/assignments/check
 * Check if agent has assignment to target
 */
router.get('/check', async (req: Request, res: Response) => {
  try {
    const { agentId, targetMicrodaoId } = req.query;

    if (!agentId || !targetMicrodaoId) {
      return res.status(400).json({
        success: false,
        error: 'agentId and targetMicrodaoId are required',
      });
    }

    const hasAssignment = await assignmentService.hasAssignment(
      agentId as string,
      targetMicrodaoId as string
    );

    res.json({
      success: true,
      data: { hasAssignment },
    });
  } catch (error) {
    logger.error('Failed to check assignment', error);
    res.status(500).json({
      success: false,
      error: 'Failed to check assignment',
    });
  }
});

export default router;