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


class Promotion(controller.Controller):
    prefix = '/api/v1/'


    @http.route(prefix + 'promotion/<id>', auth='public', methods=['GET'])
    @controller.Controller.must_authorized()
    def get_promotion_by_id(self, **kw):
        base_url = request.env['ir.config_parameter'].get_param('web.base.url')
        id = kw.get('id')
        if not id:
            return self.response(code=400, description='id is required')

        data = {}
        id = int(id)
        coupon_program = request.env['coupon.program'].search(
            [('id', '=', id)])
        if coupon_program:
            data = {
                'banner': base_url + 'api/image/coupon.program/x_studio_banner_promo/' + str(coupon_program.id) if coupon_program.x_studio_banner_promo else '',
                'image': base_url + 'api/image/coupon.program/x_studio_image_promo/' + str(coupon_program.id) if coupon_program.x_studio_image_promo else '',
                'name': coupon_program.name,
            }

        return self.response(data)


    @http.route(prefix + 'promotion/home', auth='public', methods=['GET', 'OPTIONS'])
    @controller.Controller.must_authorized()
    def v1_get_promotion_home(self):
        current_time = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        programs = request.env['promotion.program'].search([
            ('start_time', '<=', current_time),
            ('end_time', '>=', current_time),
        ])
        if not programs:
            return self.response(None)

        data = []
        for program in programs:
            data_program = {
                'id': program.id,
                'name': program.name,
                'banner': request.env['ir.attachment'].api_image('promotion.program', 'banner', program.id),
                'icon': request.env['ir.attachment'].api_image('promotion.program', 'icon', program.id)
            }
            data.append(data_program)

        return self.response(data)


    @http.route(prefix + 'promotion/home/<id>', auth='public', methods=['GET', 'OPTIONS'])
    @controller.Controller.must_authorized()
    def v1_get_promotion_home_detail(self, id):
        program_lines = request.env['promotion.program.line'].search([
            ('display_on_homepage', '=', True),
            ('promotion_type', '=', 'special_price'),
            ('program_id', '=', int(id))
        ])
        pricelist = self.user_pricelist()
        data = []
        for line in program_lines:
            product = request.env['product.product'].v2_api_single_response(line.product_id, pricelist=pricelist)
            product_template = line.product_id.product_tmpl_id

            product.update({
                'id': product['parent']['id'],
                'image': product['parent']['image'],
                'name': product['parent']['name'],
                'variant_total': len(product_template.product_variant_ids),
                'lowest_price': product['price'],
                'stock_total': product['stock'],
                'icon': {
                    'top': request.env['ir.attachment'].api_image('promotion.program', 'icon_top', line.program_id.id),
                    'bottom': request.env['ir.attachment'].api_image('promotion.program', 'icon_bottom', line.program_id.id)
                }
            })
            price = product['lowest_price']['price']
            if line.discount_type == 'percentage':
                product['lowest_price']['discount_percentage'] = line.discount_amount
                product['lowest_price']['price_discount'] = price - (price * line.discount_amount / 100)
            if line.discount_type == 'fixed_price':
                product['lowest_price']['price_discount'] = line.discount_amount
                product['lowest_price']['discount_percentage'] = round((price - line.discount_amount) / price * 100)

            product.pop('parent', None)
            product.pop('price', None)
            product.pop('stock', None)
            data.append(product)
        return self.response(data)


    @http.route(prefix + 'promotion/product/<id>', auth='public', methods=['GET', 'OPTIONS'])
    def v1_get_promotion_by_product_id(self, id):
        id = int(id)
        current_time = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        product = request.env['product.template'].search([('id', '=', id)])
        variant_ids = [variant.id for variant in product.product_variant_ids]
        program_lines = request.env['promotion.program.line'].search([
            ('program_id.start_time', '<=', current_time),
            ('program_id.end_time', '>=', current_time),
            ('product_id.id', 'in', variant_ids)
        ])

        data = []
        ir_attachment = request.env['ir.attachment']
        for line in program_lines:
            data.append({
                'name': line.name,
                'image': ir_attachment.api_image('promotion.program.line', 'image', line.id),
                'type': line.promotion_type,
                'minimum_purchase_qty': line.minimum_purchase_qty,
                'applies_multiply': line.applies_multiply,
                'limit_qty': line.limit_qty,
                'limit_qty_user': line.limit_qty_user,
                'limit_qty_transaction': line.limit_qty_transaction,
            })
        return self.response(data)