from datetime import datetime
from typing import List
from sysjobs import Sysjobs


class SysjobsAlike:
    name=None
    startTime=None
    endTime=None
    stepId=None
    antalDage=None
    ugeDage=None
    def __init__(self,name):
        self.name=name
    def getName(self): 
        return self.name
    def getMedianDag(self,stepId,antalDage,ugeDage):
        medianDag=[self.startTime,self.endTime]
        return medianDag
    def mergeOneMore(self,sysjobs:Sysjobs):
        medianDag=sysjobs.getMedianDag(self.stepId,self.antalDage,self.ugeDage)
        if self.startTime>medianDag[0]:
            self.startTime=medianDag[0]
        if self.endTime<medianDag[1]:
            self.endTime=medianDag[1]

def timeRangeMerge(mainList : List['Sysjobs'], name,stepId,antalDage,ugeDage):
        sysjobalike = SysjobsAlike(name)
        sysjobalike.stepId=stepId
        sysjobalike.antalDage=antalDage
        sysjobalike.ugeDage=ugeDage
        for job in mainList:
            medianDag=job.getMedianDag(stepId,antalDage,ugeDage)
            if sysjobalike.startTime is None or sysjobalike.startTime>medianDag[0]:
                sysjobalike.startTime=medianDag[0]
            if sysjobalike.endTime is None or sysjobalike.endTime<medianDag[1]:
                sysjobalike.endTime=medianDag[1]
        return sysjobalike

def convertToAlike(mainList : List,stepId,antalDage,ugeDage):
    returnList=[]
    for job in mainList:
        if not isinstance(job,Sysjobs) and isinstance(job[0],Sysjobs):
            job=job[0]
        jobAlike=SysjobsAlike(job.name)
        jobAlike.stepId=stepId
        jobAlike.antalDage=antalDage
        jobAlike.ugeDage=ugeDage
        medianDag=job.getMedianDag(stepId,antalDage,ugeDage)
        if len(medianDag)==0:
            continue
        jobAlike.startTime=medianDag[0]
        jobAlike.endTime=medianDag[1]
        returnList.append(jobAlike)
    return returnList