import execjs
import requests
headers = {
   'Host': "app.poizon.com",
   'User-Agent': "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)"
   " Chrome/53.0.2785.143 Safari/537.36 MicroMessenger/7.0.4.501 NetType/WIFI "
   "MiniProgramEnv/Windows WindowsWechat",
   'appid': "wxapp",
   'appversion': "4.4.0",
   'content-type': "application/x-www-form-urlencoded",
   'Accept-Encoding': "gzip, deflate",
   'Accept': "*/*",
}

def get_recensales_list_url(lastId, productId):
   # 最近购买接口
   with open('sign.js', 'r', encoding='utf-8')as f:
       all_ = f.read()
       ctx = execjs.compile(all_)
       sign = ctx.call('getSign','lastId{}limit20productId{}sourceAppapp19bc545a393a25177083d4a748807cc0'.format(lastId,productId))
       recensales_list_url = 'https://app.poizon.com/api/v1/h5/product/fire/recentSoldList?' \
                             'productId={}&lastId={}&limit=20&sourceApp=app&sign={}'.format(productId, lastId, sign)
       return recensales_list_url
       
def get_search_by_keywords_url(page, sortMode, sortType):
   # 关键词搜索商品接口
   with open('sign.js', 'r', encoding='utf-8')as f:
       all_ = f.read()
       ctx = execjs.compile(all_)
       # 53489
       sign = ctx.call('getSign','limit20page{}sortMode{}sortType{}titleajunionId19bc545a393a25177083d4a748807cc0'.format(page,                            sortMode, sortType))
       search_by_keywords_url = 'https://app.poizon.com/api/v1/h5/product/fire/search/list?title=aj&page={}&sortType={}&sortMode={}&' \
                            'limit=20&unionId=&sign={}'.format(page, sortType,sortMode, sign)
       return search_by_keywords_url
       
def get_brand_list_url(lastId, tabId):
   # 商品品类列表接口
   with open('sign.js', 'r', encoding='utf-8')as f:
       all_ = f.read()
       ctx = execjs.compile(all_)
       sign = ctx.call('getSign',
                       'lastId{}limit20tabId{}19bc545a393a25177083d4a748807cc0'.format(lastId, tabId))
       brand_list_url = 'https://app.poizon.com/api/v1/h5/index/fire/shoppingTab?' \
                            'tabId={}&limit=20&lastId={}&sign={}'.format(tabId, lastId, sign)
       return brand_list_url
       
def get_product_detail_url(productId):
   # 商品详情接口
   with open('sign.js', 'r', encoding='utf-8')as f:
       all_ = f.read()
       ctx = execjs.compile(all_)
       sign = ctx.call('getSign',
                       'productId{}productSourceNamewx19bc545a393a25177083d4a748807cc0'.format(productId))
       product_detail_url = 'https://app.poizon.com/api/v1/h5/index/fire/flow/product/detail?' \
                             'productId={}&productSourceName=wx&sign={}'.format(productId, sign)
       return product_detail_url   
       
recensales_list_url = get_recensales_list_url(0, 40755)
search_by_keywords_url = get_search_by_keywords_url(0, 1, 0)
brand_list_url = get_brand_list_url(1, 4)
product_detail_url =  get_product_detail_url(53489)
recensales_list_response = requests.get(url=recensales_list_url, headers=headers)
search_by_keywords_response =  requests.get(url=search_by_keywords_url, headers=headers)
brand_list_response = requests.get(url=brand_list_url, headers=headers)
product_detail_response = requests.get(url=product_detail_url, headers=headers)
print(recensales_list_response.text)
print(search_by_keywords_response.text)
print(brand_list_response.text)
print(product_detail_response.text)
# 这四个api基本涵盖毒app的核心数据api