Potty training -what do I do!?

Am sooo stressed😭

I started potty training my 20months old boy last Monday..I left him without diaper only for 3hours on Monday diaper because I thought I will go little by little.Tuesday he started telling me that he has to pee when he was with no diapers.. I was soo happy that he understood it overnight👏🏼👏🏼

Wednesday and Thursday he had few accidents and few success.Friday more accidents and very less success We had been out on Friday for couple of hours ..he was on diapers but he told us when he had pee and we took him to the toilet and he kept his diapers dry .Saturday he peed in the toilet till 11am and then till night he was peeing on the floor.

Sunday just one accident and many success.he was telling me when he had to pee

I thought ok he is not bad .

Again Monday and today he is just not telling me about when he has to pee.he will pee wherever he is and then expects me to lift him from that spot,change his underwear and clean the mess🤷🏻‍♀️

I am so depressed right now

It is not like he does not know when he pees.He stands still for few seconds and then pees.That means he understand before he actually pees,but does not tell me nor goes to toilet

One thing is he love balls and play with them.he is soo much engrossed in the play that he does-not feel like leaving that and going to toilet.

Second thing is I am frustrated and I shouted,cried in-front of him couple of times in this week because i feel so helpless,disappointed when he pees on the floor again and again.

All online blogs I read talks about accidents before they understand that they have to use toilet for pee and poop but no one spoke about kids who knows that that have pee in the toilet and still does not go and do that.He does 2-😭3times a day in the toilet and 10times on the floor.Does anyone know what can help?