Will i go prison? plse help?

short story:me,my m8 and ex bf celebrated ney year,me n her had big rows and we had a fight,i got the upper hand and when we finished she left my hse.i told police wot hapened(honesty i feel is always the best) bt she lied said i justa attacked her for no reason n also my ex attacked her then i did a second time! lies it was just me n her had fight he tried breaking us up n i attacked him n freaked-which i totally regret n guilty of!me n him got arrestedm,she walked out hospital to carry on getting drunk,n its just me gettibg done for assualt on both of them-she pressed charges,he hasnt,my probation has put me in for c.s,compo,anger management,alcohol lessons and a tag.ive got 3 kids,1 yo,2yo and 8 yo,also gotta do parenting course-do fink it cud b custodial-im in court 2morra 3rd march!!!!!! plse help