"""ERP Sync Blueprint — Integration with Aspel, CONTPAQi, SAP, Odoo.

Stubs with architecture ready for real connectors.
"""
from flask import Blueprint, request, jsonify, g
from functools import wraps
import uuid
from datetime import datetime

erp_bp = Blueprint('erp', __name__, url_prefix='/pos/api/erp')


from middleware import require_auth


# ─── Mock sync jobs ───
_mock_jobs = {}


@erp_bp.route('/providers', methods=['GET'])
@require_auth()
def list_providers():
    return jsonify({
        'providers': [
            {'id': 'aspel_sae', 'name': 'Aspel SAE', 'type': 'file_exchange', 'enabled': False},
            {'id': 'contpaqi', 'name': 'CONTPAQi', 'type': 'file_exchange', 'enabled': False},
            {'id': 'sap_b1', 'name': 'SAP Business One', 'type': 'api', 'enabled': False},
            {'id': 'odoo', 'name': 'Odoo', 'type': 'api', 'enabled': False},
        ]
    })


@erp_bp.route('/sync', methods=['POST'])
@require_auth()
def start_sync():
    data = request.get_json() or {}
    provider = data.get('provider')
    sync_type = data.get('sync_type', 'sales')  # sales, inventory, customers
    if not provider:
        return jsonify({'error': 'provider is required'}), 400

    job_id = str(uuid.uuid4())
    _mock_jobs[job_id] = {
        'id': job_id,
        'provider': provider,
        'sync_type': sync_type,
        'status': 'queued',
        'records_synced': 0,
        'errors': [],
        'created_at': datetime.utcnow().isoformat(),
        'started_at': None,
        'finished_at': None,
    }
    return jsonify(_mock_jobs[job_id]), 201


@erp_bp.route('/sync/<job_id>', methods=['GET'])
@require_auth()
def get_sync_status(job_id):
    job = _mock_jobs.get(job_id)
    if not job:
        return jsonify({'error': 'Job not found'}), 404
    return jsonify(job)


@erp_bp.route('/sync/<job_id>/run', methods=['POST'])
@require_auth()
def run_sync(job_id):
    """Mock execute sync (in production this triggers a Celery task)."""
    job = _mock_jobs.get(job_id)
    if not job:
        return jsonify({'error': 'Job not found'}), 404
    job['status'] = 'running'
    job['started_at'] = datetime.utcnow().isoformat()
    # Mock completion
    job['status'] = 'completed'
    job['records_synced'] = 42
    job['finished_at'] = datetime.utcnow().isoformat()
    return jsonify(job)