/*
 * Copyright (C) 2015 - 2017, Daniel Dahan and CosmicMind, Inc. <http://cosmicmind.com>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *	*	Redistributions of source code must retain the above copyright notice, this
 *		list of conditions and the following disclaimer.
 *
 *	*	Redistributions in binary form must reproduce the above copyright notice,
 *		this list of conditions and the following disclaimer in the documentation
 *		and/or other materials provided with the distribution.
 *
 *	*	Neither the name of CosmicMind nor the names of its
 *		contributors may be used to endorse or promote products derived from
 *		this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import UIKit

open class ImageCard: Card {
    /**
     A Display value to indicate whether or not to
     display the imageView to the full view
     bounds.
     */
    open var displayStyle = DisplayStyle.partial {
        didSet {
            layoutSubviews()
        }
    }
    
    /// A preset wrapper around imageViewEdgeInsets.
    open var imageViewEdgeInsetsPreset = EdgeInsetsPreset.none {
        didSet {
            imageViewEdgeInsets = EdgeInsetsPresetToValue(preset: imageViewEdgeInsetsPreset)
        }
    }
    
    /// A reference to imageViewEdgeInsets.
    @IBInspectable
    open var imageViewEdgeInsets = EdgeInsets.zero {
        didSet {
            layoutSubviews()
        }
    }
    
    /// A reference to the imageView.
    @IBInspectable
    open var imageView: UIImageView? {
        didSet {
            oldValue?.removeFromSuperview()
            if let v = imageView {
                container.addSubview(v)
            }
            layoutSubviews()
        }
    }
    
    /// An ImageCardToolbarAlignment value.
    open var toolbarAlignment = ToolbarAlignment.bottom {
        didSet {
            layoutSubviews()
        }
    }
    
    /// Reloads the view.
    open override func reload() {
        var h: CGFloat = 0
        
        if let v = imageView {
            h = prepare(view: v, with: imageViewEdgeInsets, from: h)
            container.sendSubview(toBack: v)
        }
        
        if let v = toolbar {
            prepare(view: v, with: toolbarEdgeInsets, from: h)
            v.y = .top == toolbarAlignment ? toolbarEdgeInsets.top : h - v.height - toolbarEdgeInsets.bottom
            container.bringSubview(toFront: v)
        }
        
        if let v = contentView {
            h = prepare(view: v, with: contentViewEdgeInsets, from: h)
        }
        
        if let v = bottomBar {
            h = prepare(view: v, with: bottomBarEdgeInsets, from: h)
        }
        
        container.height = h
        bounds.size.height = h
    }
}
