from time import strftime, sleep
from services.jobs.source_data_set import SourceDataSet
from services.jobs.data_center_set import DataCenterSet
import schedule
from services.clean_items.dispatcher import Dispatcher,UnDispatcher
import redis


class Job():
    _sourceDataSet = None
    _dataCenterSet = None
    _project_ids = []
    _item_maps = {}
    _redis = None
    
    def __init__(self, config):
        self.config = config
        self._sourceDataSet = SourceDataSet(self.config)
        self._dataCenterSet = DataCenterSet(self.config)
        self._init_redis(self.config['redis'])

    def set_project_id(self, project_ids=[]):
        self._project_ids = project_ids

    def _init_item_map(self):
        self._item_maps = ''

    def run(self):
        tag = Job.generate_tag()

        # 获取全量新增的数据
        data = self._sourceDataSet.fetch_increment(10000)

        # 数据按 project_id + item 分组
        group_data = self._sourceDataSet.group_by_items(data, self._project_ids)

        # 映射到目标 target_item
        for group_name in group_data:
            target_item = self._dataCenterSet.get_target_item(group_name)
            if target_item is not None:
                # 执行target_item 的清洗策略
                Dispatcher(group_name, tag, target_item, group_data[group_name], self).start()
            else:
                # 不需要清洗的点位直接入库
                UnDispatcher(group_name, tag, target_item, group_data[group_name], self).start()

         # 发送一个清洗完成的消息到队列中
        self._redis.rpush('data-center:mq:event', tag)
        self._redis.rpush('data-center:mq:alarm', tag)
        self._redis.rpush('data-center:mq:isomerism', tag)

    def get_clean_config(self, project_id, source_item, target_item):
        return self._dataCenterSet.get_clean_config(project_id, source_item, target_item)

    def insert_describe(self, project_id, tag, item, describe):
        self._dataCenterSet.insert_describe(project_id, tag, item, describe)

    def insert_cleaned_data(self, project_id, source_item, tag, series):
        self._dataCenterSet.insert_cleaned_data(project_id, source_item, tag, series)

    def _init_redis(self, config):
        self._redis = redis.Redis(host=config['host'], db=config['db'], port=config['port'], password=config['password'])

    @staticmethod
    def generate_tag():
        return strftime('%y%m%d%H%M%S')

    def start(self):
        schedule.every(1).seconds.do(self.run)

        while True:
            schedule.run_pending()
            sleep(5)