I want make one screen show videos after videos swiftui only

I want to make one screen in Swift UI. 3 mp4 videos are displayed sequentially in order and paused for 30 seconds add trxt shwo counter down after each video is displayed.while videos play puse show text "please wait" and Add a button to pause or stop. Display the video inside the screen. Remove the black screen around the video and repeat or loop the video. If the video is less, be 30 a second make video up the screen