A controlling boyfriend hounded his former partner and physically assaulted her on numerous occasions before sending a naked photograph of her to her friend.

Tyrone Folland, 20, punched, kicked, bit and spat at his former girlfriend over the course of their relationship.

He was described as being "extremely jealous" and would break into rages if she liked a photo belonging of a man on social media or if she failed to answer when out socialising with friends.

The defendant also threatened her mother and sister when they challenged him at his grandparents' house and after she contacted the police.

He later threatened to post intimate photos of her on social media and followed through with his threat when he sent a friend a photo of her half-naked.

Prosecutor David Pinnell told a hearing at Cardiff Crown Court on Monday that there was a "history of repeated violence" which began one month into the relationship.

In the first incident Folland slapped the woman in the face after she liked a photo on social media, leaving a red mark.

A month after that he kicked her in the face and caused bruises to her jaw after she forgot her phone password and he thought she was hiding something.

The victim said the assaults became frequent on almost a daily basis and would bend and twist her fingers during an argument and punched her "as if she was a man". He also threatened to sleep with other women if she did not do what he asked.

Mr Pinnell said Folland would prevent his victim from meeting friends, prevented her from wearing make-up and dresses, restricted her use of social media by changing her passwords and would go to her place of work and demanded her to come home during her breaks, causing her to lose her employment.

If she did go out socialising with friends, Folland would persistently call her and told her to send a Facebook Live video to prove where she was and who she was with.

On September 1 last year, the couple had an argument where Folland faked contrition and offered to hug the woman - but when she came towards him he bit her on the chest.

In October, they were in his bedroom when he punched her in the nose full force, causing her to receive a black eye.

On January 4, the defendant became jealous after his victim went out socialising. He tried to grab her and threw punches at her left temple, causing her to fall to the floor, but he pulled back up, shook her and said "you have done this to yourself".

On January 21, Folland contacted his victim to say he was suicidal. She turned up at his grandparents' house but he taunted her about a deceased member of her family and wished her dead. He then struck her in the back, tried to break her phone and punched her six times causing her to collapse.

She contacted the police and the defendant was arrested on February 2, but he denied controlling or assaulted her and claimed she was the one who had been aggressive to him.

He later pleaded guilty to controlling or coercive behaviour, assault occasioning actual bodily harm and disclosing a private sexual photograph.

Defence barrister Hashim Salmman said there was little to offer in mitigation on behalf of his client but described Folland a having a "dreadful childhood" due to his parents being heroin addicts.

He said the defendant had been diagnosed with paranoia disorder, ADHD and anxiety.

Sentencing, Judge Jeremy Jenkins said: "You didn't admit having ever hit her and blamed her for assaulting you. That shows just what a coward you are and how cowardly you behaved through the course of this relationship."

Folland, of HMP Parc, was sentenced to two years detention in a young offenders' institute and was made subject to a restraining order preventing him from contacting his victim.