from .. import controller
from odoo import http
from odoo.http import request


class Cart(controller.Controller):
    prefix = '/api/v1/'
    
    @http.route(prefix + 'cart', auth='public', methods=['GET'])
    def get_cart_by_user_id(self, **kw):
        if not self.authenticate():
            return self.response(code=401, description='Unauthorized')
        
        user_id = int(kw.get('user_id', 0))
        limit = int(kw.get('limit', 0))
        offset = int(kw.get('offset', 0))
        query = [('user_id', '=', user_id)]
        carts = request.env['website.user.cart'].search(query, limit=limit, offset=offset, order='create_date desc')
        data = {
            'product_total': request.env['website.user.cart'].search_count(query),
            'products': []
        }
        for cart in carts:
            product = request.env['product.product'].api_single_response(cart.product_id)
            product['template_id'] = cart.product_id.product_tmpl_id.id
            product['quantity'] = cart.qty
            data['products'].append(product)
        return self.response(data)
    
    @http.route(prefix + 'cart/create-or-update', auth='public', methods=['POST'], csrf=False)
    def create_or_update_cart(self, **kw):
        if not self.authenticate():
            return self.response(code=401, description='Unauthorized')
        
        user_id = int(kw.get('user_id', 0))
        product_id = int(kw.get('product_id', 0))
        qty = int(kw.get('qty', 0))
        
        if not user_id or not product_id or not qty:
            return self.response(code=400, description='user_id, product_id and qty is required')
        query = [('user_id', '=', user_id), ('product_id', '=', product_id)]
        cart = request.env['website.user.cart'].search(query, limit=1)
        result = {}
        if cart:
            cart.write({'qty': qty})
            result['id'] = cart.id
        else:
            create = request.env['website.user.cart'].create({
                'user_id': user_id,
                'product_id': product_id,
                'qty': qty
            })
            result['id'] = create.id
        
        return self.response(result)
    
    @http.route(prefix + 'cart', auth='public', methods=['DELETE'], csrf=False)
    def delete_cart_by_user_id(self, **kw):
        if not self.authenticate():
            return self.response(code=401, description='Unauthorized')
        
        user_id = int(kw.get('user_id', 0))
        query = [('user_id', '=', user_id)]
        product_ids = kw.get('product_ids')
        if product_ids:
            query += [('product_id', 'in', [int(x) for x in product_ids.split(',')])]
        cart = request.env['website.user.cart'].search(query).unlink()
        return self.response(cart)