import { Router } from 'express';
import { body, param } from 'express-validator';
import { pipelinesController, dealsController, quotesController } from './crm.controller';
import { costSheetsController } from './costSheets.controller';
import { contractsController } from './contracts.controller';
import { invoicesController } from './invoices.controller';
import { authenticate, authorize } from '../../shared/middleware/auth';
import { validate } from '../../shared/middleware/validation';

const router = Router();

// All routes require authentication
router.use(authenticate);

// ============= PIPELINES =============

// Get all pipelines
router.get(
  '/pipelines',
  authorize('crm', 'deals', 'read'),
  pipelinesController.findAll
);

// Get pipeline by ID
router.get(
  '/pipelines/:id',
  authorize('crm', 'deals', 'read'),
  param('id').isUUID(),
  validate,
  pipelinesController.findById
);

// ============= DEALS =============

// Get all deals
router.get(
  '/deals',
  authorize('crm', 'deals', 'read'),
  dealsController.findAll
);

// Get deal by ID
router.get(
  '/deals/:id',
  authorize('crm', 'deals', 'read'),
  param('id').isUUID(),
  validate,
  dealsController.findById
);

// Get deal history
router.get(
  '/deals/:id/history',
  authorize('crm', 'deals', 'read'),
  param('id').isUUID(),
  validate,
  dealsController.getHistory
);

// Create deal
router.post(
  '/deals',
  authorize('crm', 'deals', 'create'),
  [
    body('name').notEmpty().trim(),
    body('contactId').isUUID(),
    body('structure').isIn(['B2B', 'B2C', 'B2G', 'PARTNERSHIP']),
    body('pipelineId').isUUID(),
    body('stage').notEmpty(),
    body('estimatedValue').isNumeric(),
    validate,
  ],
  dealsController.create
);

// Update deal
router.put(
  '/deals/:id',
  authorize('crm', 'deals', 'update'),
  param('id').isUUID(),
  validate,
  dealsController.update
);

// Update deal stage
router.patch(
  '/deals/:id/stage',
  authorize('crm', 'deals', 'update'),
  [
    param('id').isUUID(),
    body('stage').notEmpty(),
    validate,
  ],
  dealsController.updateStage
);

// Mark deal as won
router.post(
  '/deals/:id/win',
  authorize('crm', 'deals', 'update'),
  [
    param('id').isUUID(),
    body('actualValue').isNumeric(),
    body('wonReason').notEmpty(),
    validate,
  ],
  dealsController.win
);

// Mark deal as lost
router.post(
  '/deals/:id/lose',
  authorize('crm', 'deals', 'update'),
  [
    param('id').isUUID(),
    body('lostReason').notEmpty(),
    validate,
  ],
  dealsController.lose
);

// ============= QUOTES =============

// Get quotes for a deal
router.get(
  '/deals/:dealId/quotes',
  authorize('crm', 'quotes', 'read'),
  param('dealId').isUUID(),
  validate,
  quotesController.findByDeal
);

// Get quote by ID
router.get(
  '/quotes/:id',
  authorize('crm', 'quotes', 'read'),
  param('id').isUUID(),
  validate,
  quotesController.findById
);

// Create quote
router.post(
  '/quotes',
  authorize('crm', 'quotes', 'create'),
  [
    body('dealId').isUUID(),
    body('items').isArray(),
    body('subtotal').isNumeric(),
    body('taxRate').isNumeric(),
    body('taxAmount').isNumeric(),
    body('total').isNumeric(),
    body('validUntil').isISO8601(),
    validate,
  ],
  quotesController.create
);

// Approve quote
router.post(
  '/quotes/:id/approve',
  authorize('crm', 'quotes', 'approve'),
  param('id').isUUID(),
  validate,
  quotesController.approve
);

// Send quote
router.post(
  '/quotes/:id/send',
  authorize('crm', 'quotes', 'update'),
  param('id').isUUID(),
  validate,
  quotesController.send
);

// ============= COST SHEETS =============

router.get(
  '/deals/:dealId/cost-sheets',
  authorize('crm', 'deals', 'read'),
  param('dealId').isUUID(),
  validate,
  costSheetsController.findByDeal
);

router.get(
  '/cost-sheets/:id',
  authorize('crm', 'deals', 'read'),
  param('id').isUUID(),
  validate,
  costSheetsController.findById
);

router.post(
  '/cost-sheets',
  authorize('crm', 'deals', 'create'),
  [
    body('dealId').isUUID(),
    body('items').isArray(),
    body('totalCost').isNumeric(),
    body('suggestedPrice').isNumeric(),
    body('profitMargin').isNumeric(),
    validate,
  ],
  costSheetsController.create
);

router.post(
  '/cost-sheets/:id/approve',
  authorize('crm', 'deals', 'update'),
  param('id').isUUID(),
  validate,
  costSheetsController.approve
);

router.post(
  '/cost-sheets/:id/reject',
  authorize('crm', 'deals', 'update'),
  param('id').isUUID(),
  validate,
  costSheetsController.reject
);

// ============= CONTRACTS =============

router.get(
  '/deals/:dealId/contracts',
  authorize('crm', 'deals', 'read'),
  param('dealId').isUUID(),
  validate,
  contractsController.findByDeal
);

router.get(
  '/contracts/:id',
  authorize('crm', 'deals', 'read'),
  param('id').isUUID(),
  validate,
  contractsController.findById
);

router.post(
  '/contracts',
  authorize('crm', 'deals', 'create'),
  [
    body('dealId').isUUID(),
    body('title').notEmpty().trim(),
    body('type').notEmpty().trim(),
    body('startDate').isISO8601(),
    body('value').isNumeric(),
    body('terms').notEmpty().trim(),
    validate,
  ],
  contractsController.create
);

router.put(
  '/contracts/:id',
  authorize('crm', 'deals', 'update'),
  param('id').isUUID(),
  validate,
  contractsController.update
);

router.post(
  '/contracts/:id/sign',
  authorize('crm', 'deals', 'update'),
  param('id').isUUID(),
  validate,
  contractsController.markSigned
);

// ============= INVOICES =============

router.get(
  '/deals/:dealId/invoices',
  authorize('crm', 'deals', 'read'),
  param('dealId').isUUID(),
  validate,
  invoicesController.findByDeal
);

router.get(
  '/invoices/:id',
  authorize('crm', 'deals', 'read'),
  param('id').isUUID(),
  validate,
  invoicesController.findById
);

router.post(
  '/invoices',
  authorize('crm', 'deals', 'create'),
  [
    body('items').isArray(),
    body('subtotal').isNumeric(),
    body('taxAmount').isNumeric(),
    body('total').isNumeric(),
    body('dueDate').isISO8601(),
    validate,
  ],
  invoicesController.create
);

router.put(
  '/invoices/:id',
  authorize('crm', 'deals', 'update'),
  param('id').isUUID(),
  validate,
  invoicesController.update
);

router.post(
  '/invoices/:id/record-payment',
  authorize('crm', 'deals', 'update'),
  [
    param('id').isUUID(),
    body('paidAmount').isNumeric(),
    validate,
  ],
  invoicesController.recordPayment
);

export default router;