My dd is 4years old, exp seems to be trying to use her to get at me. I have been trying so hard not to be horrible to him as I know dd really wants see him. But he keeps letting my dd down when he is meant to see her and is never conistant.
He is also very irritational. He has not seen dd for over a month now. During that time I took her on holiday for one week, but did not consult him before going (I didnt feel the need to consult him, as he does not help me raise her in any way, I do it all alone). The only thing he does do is try to say he has all these rights and should be consulted on all decisions regarding dd even tho he does not take any responisbilty.
Anything I do which makes him feel that he cannot control me he uses as an excuse for not seeing dd.
last week we had a conversation by text as i asked him when would he be able to see dd, he said he feels stressed etc and i said fine, if you need space let me know once you feel better. he then started saying he wants to discuss 'issues' he has with me. ie - me taking her on holiday, me letting her go away for 1 week in england with my mum as i had no one to look after dd while i was at work, and just other things that he hates about me.
I didnt want to have this conversation with him as i feel he tries to brainwash me into believing i am a terrible mother who tries to stop my dd having a relationship with her dad. when i feel the actual truth is that her dad cannot be bothered to fit her into his life and will never be conistant.
Anyway i told him i am not happy to discuss these issues with him, as the only thing we need to discuss is when he sees dd.
He told me he will have dd for the whole weekend this weekend. so i text him today to find out the arrangements and he replied to say there is no point in seeing dd as i am trying to use him as a babysitter as i want him to see her on weekends and not during the week when she is really tired as she has just started school.
So i repiled to say if he really doesnt want to see dd, fine but can he put it in writing to me as that is a massive decision to make, and if thats what he has decided that needs to be final.
Anyway, sorry its so long, but i'm just wondering if i should possibly get legal advice regarding this as he is a crap dad and i feel he is going to damage my dd if this continues long term 
What is the best way to handle someone like this??