# -*- coding: utf-8 -*-
import json

import jsonpath
import scrapy
import time
from scrapy.http import Request
import psycopg2
import time
# import datetime
from functools import wraps
from contextlib import contextmanager
import psycopg2.extras

from ..items import Zuqiustatus

import json
from datetime import datetime
from datetime import date
import itertools


# 测试一个函数的运行时间，使用方式：在待测函数直接添加此修饰器
def timethis(func):
    @wraps(func)
    def wrapper(*args, **kwargs):
        start = time.perf_counter()
        r = func(*args, **kwargs)
        end = time.perf_counter()
        print('\n============================================================')
        print('{}.{} : {}'.format(func.__module__, func.__name__, end - start))
        print('============================================================\n')
        return r
    return wrapper


# 测试一段代码运行的时间，使用方式：上下文管理器with
# with timeblock('block_name'):
#     your_code_block...
@contextmanager
def timeblock(label='Code'):
    start = time.perf_counter()
    try:
        yield
    finally:
        end = time.perf_counter()
        print('==============================================================')
        print('{} run time: {}'.format(label, end - start))
        print('==============================================================')


class SqlConn():
    '''
    连接数据库，以及进行一些操作的封装
    '''
    sql_name = ''
    database = ''
    user = ''
    password = ''
    port = 0
    host = ''

    # 创建连接、游标
    def __init__(self, *args, **kwargs):
        if kwargs.get("sql_name"):
            self.sql_name = kwargs.get("sql_name")
        if kwargs.get("database"):
            self.database = kwargs.get("database")
        if kwargs.get("user"):
            self.user = kwargs.get("user")
        if kwargs.get("password"):
            self.password = kwargs.get("password")
        if kwargs.get("port"):
            self.port = kwargs.get("port")
        if kwargs.get("host"):
            self.host = kwargs.get("host")

        if not (self.host and self.port and self.user and
                self.password and self.database):
            raise Warning("conn_error, missing some params!")

        sql_conn = {
                    'postgresql': psycopg2,
                    }

        self.conn = sql_conn[self.sql_name].connect(host=self.host,
                                                    port=self.port,
                                                    user=self.user,
                                                    password=self.password,
                                                    database=self.database,
                                                    )
        self.cursor = self.conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
        if not self.cursor:
            raise Warning("conn_error!")

    # 测试连接
    def test_conn(self):
        if self.cursor:
            print("conn success!")
        else:
            print('conn error!')

    # 单条语句的并提交
    def execute(self, sql_code):
        self.cursor.execute(sql_code)
        self.conn.commit()

    # 单条语句的不提交
    def execute_no_conmmit(self, sql_code):
        self.cursor.execute(sql_code)

    # 构造多条语句，使用%s参数化，对于每个list都进行替代构造
    def excute_many(self, sql_base, param_list):
        self.cursor.executemany(sql_base, param_list)

    # 批量执行（待完善）
    def batch_execute(self, sql_code):
        pass

    # 获取数据
    def get_data(self, sql_code, count=0):
        self.cursor.execute(sql_code)
        if int(count):
            return self.cursor.fetchmany(count)
        else:
            return self.cursor.fetchall()

    # 更新数据
    def updata_data(self, sql_code):
        self.cursor(sql_code)

    # 插入数据
    def insert_data(self, sql_code):
        self.cursor(sql_code)

    # 滚动游标
    def cursor_scroll(self, count, mode='relative'):
        self.cursor.scroll(count, mode=mode)

    # 提交
    def commit(self):
        self.conn.commit()

    # 回滚
    def rollback(self):
        self.conn.rollback()

    # 关闭连接
    def close_conn(self):
        self.cursor.close()
        self.conn.close()

class ComplexEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, datetime):
            return obj.strftime('%Y-%m-%d %H:%M:%S')
        elif isinstance(obj, date):
            return obj.strftime('%Y-%m-%d')
        else:
            return json.JSONEncoder.default(self, obj)








class LanqiuSpider(scrapy.Spider):
    name = "ball_status"
    allowed_domains = ['hg3535z.com']
    to_day = datetime.now()
    #sid要改为1 足球 现在测试改为4
    start_urls = ['https://hg3535z.com/odds2/d/getodds?sid=1&pt=4&ubt=am&pn=0&sb=2&dc=null&pid=0'] # 滚球菜单 篮球滚球列url
    custom_settings = {
        "ITEM_PIPELINES": {
            'hg3535.pipelines.BallStatuspipeline':200,
        },
        'LOG_LEVEL': 'DEBUG',
        'LOG_FILE': "../hg3535/log/ball_status_{}_{}_{}.log".format(to_day.year, to_day.month, to_day.day)
    }

    def parse(self, response):
        datas = json.loads(response.text)
        ids = jsonpath.jsonpath(datas, '$..i-ot[0]..egs..es..i[16]') # ids新列表
        item = Zuqiustatus()
        utime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
        # zuqiu_total = {}
        zuqiu_status_list = []
        if ids:
            ids = set(ids)
            for i in ids:
                zuqiu = {}
                zuqiu['match_id'] = i
                zuqiu['create_time'] = utime
                zuqiu['status'] = 1
                zuqiu['ball_type'] = datas['i-ot'][0]['s']['n']
                zuqiu_status_list.append(zuqiu)
            item["zuqiu_total"] = zuqiu_status_list
            yield item