import time

from config import set_config
from utils import request_post
from log import Log

config_ = set_config()
log_ = Log()


def get_videos_from_pool(app_type, size=1000):
    """
    从流量池获取视频，循环获取，直到返回数据为None结束
    :param app_type: 产品标识 type-int
    :param size: 每次获取视频数量，type-int，默认1000
    :return: videos
    """
    # 获取批次标识，利用首次获取数据时间戳为标记
    batch_flag = time.time()
    request_data = {'appType': app_type, 'batchFlag': batch_flag, 'size': size}
    videos = []
    while True:
        result = request_post(request_url=config_.GET_VIDEOS_FROM_POOL_URL, request_data=request_data)
        if result is None:
            break
        if result['code'] != 0:
            log_.info('batch_flag: {}, 获取流量池视频失败'.format(batch_flag))
            break
        videos.append(result['data'])
    return videos


def get_videos_remain_view_count(app_type, videos_info):
    """
    获取视频在流量池中的剩余可分发数
    :param app_type: 产品标识 type-int
    :param videos_info: 视频信息 (视频id, 流量池标记) type-list，[(video_id, flow_pool), ...]
    :return: data type-list，[(video_id, flow_pool, view_count), ...]
    """
    if not videos_info:
        return []

    videos = [{'videoId': info[0], 'flowPool': info[1]} for info in videos_info]
    request_data = {'appType': app_type, 'videos': videos}
    result = request_post(request_url=config_.GET_REMAIN_VIEW_COUNT_URL, request_data=request_data)

    if result is None:
        return []

    if result['code'] != 0:
        log_.info('获取视频在流量池中的剩余可分发数失败')
        return []

    data = [(item['videoId'], item['flowPool'], item['viewCount']) for item in result['data']]
    return data


if __name__ == '__main__':
    # res = get_videos_from_pool(app_type=0)
    res = get_videos_remain_view_count(app_type=0, videos_info=[('12345', '#2#1#111')])
    print(res)