//
//  Copyright (c) 2020 Touch Instinct
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the Software), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

import UIKit

open class PresentAnimation: BaseAnimation {
    override open func animator(using transitionContext: UIViewControllerContextTransitioning) -> UIViewImplicitlyAnimating {
        guard let toView = transitionContext.view(forKey: .to),
            let toController = transitionContext.viewController(forKey: .to) else {
                return UIViewPropertyAnimator()
        }
        
        let finalFrame = transitionContext.finalFrame(for: toController)
        
        toView.frame = finalFrame.offsetBy(dx: .zero, dy: finalFrame.height)
        
        let animator = UIViewPropertyAnimator(duration: duration, curve: .easeOut) {
            toView.frame = finalFrame
        }
        
        animator.addCompletion { _ in
            transitionContext.completeTransition(!transitionContext.transitionWasCancelled)
        }
        
        return animator
    }
}