"""
Customer Management Routes (via Customer API)
"""
from flask import Blueprint, request, jsonify
from app.routes.auth import token_required
from app.config import Config
import requests

customers_bp = Blueprint('customers', __name__)

def call_customer_api(endpoint, method='GET', data=None):
    """Helper to call customer platform API"""
    url = f"{Config.CUSTOMER_API_URL}{endpoint}"
    headers = {
        'Content-Type': 'application/json',
        'X-Internal-Key': Config.CUSTOMER_API_INTERNAL_KEY
    }
    
    try:
        if method == 'GET':
            response = requests.get(url, headers=headers, timeout=10)
        elif method == 'POST':
            response = requests.post(url, headers=headers, json=data, timeout=10)
        elif method == 'PUT':
            response = requests.put(url, headers=headers, json=data, timeout=10)
        elif method == 'DELETE':
            response = requests.delete(url, headers=headers, timeout=10)
        else:
            return None
        
        return response.json() if response.status_code < 500 else None
    except Exception as e:
        print(f"Error calling customer API: {e}")
        return None

@customers_bp.route('', methods=['GET'])
@token_required
def get_customers(current_admin):
    """Get all customers from customer platform"""
    try:
        # TODO: Implement customer API endpoint
        result = call_customer_api('/api/admin/customers')
        
        if result:
            return jsonify(result), 200
        else:
            return jsonify({
                'status': 'success',
                'customers': [],
                'message': 'Customer API not yet implemented'
            }), 200
            
    except Exception as e:
        return jsonify({'error': str(e)}), 500

@customers_bp.route('/<int:customer_id>', methods=['GET'])
@token_required
def get_customer(current_admin, customer_id):
    """Get single customer"""
    try:
        result = call_customer_api(f'/api/admin/customers/{customer_id}')
        
        if result:
            return jsonify(result), 200
        else:
            return jsonify({'error': 'Customer not found'}), 404
            
    except Exception as e:
        return jsonify({'error': str(e)}), 500

@customers_bp.route('/<int:customer_id>/plan', methods=['PUT'])
@token_required
def update_customer_plan(current_admin, customer_id):
    """Update customer's subscription plan"""
    try:
        data = request.get_json()
        
        result = call_customer_api(
            f'/api/admin/customers/{customer_id}/plan',
            method='PUT',
            data=data
        )
        
        if result:
            return jsonify(result), 200
        else:
            return jsonify({'error': 'Failed to update plan'}), 500
            
    except Exception as e:
        return jsonify({'error': str(e)}), 500

@customers_bp.route('/stats', methods=['GET'])
@token_required
def get_customer_stats(current_admin):
    """Get customer statistics"""
    try:
        result = call_customer_api('/api/admin/stats')
        
        if result:
            return jsonify(result), 200
        else:
            # Return mock data for now
            return jsonify({
                'status': 'success',
                'stats': {
                    'total_customers': 0,
                    'active_customers': 0,
                    'total_domains': 0,
                    'total_containers': 0
                }
            }), 200
            
    except Exception as e:
        return jsonify({'error': str(e)}), 500