AlertKit/Sources/SPAlert/SPAlertIconPreset.swift

// The MIT License (MIT)
// Copyright © 2020 Ivan Vorobei (hello@ivanvorobei.by)
//
// 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

/**
 SPAlert: Represent icon wrapper.
 Included default styles and can be custom image.
 */
public enum SPAlertIconPreset {
    
    case done
    case error
    case heart
    
    case custom(_ image: UIImage)
}

// Get view and haptic by Preset.

public extension SPAlertIconPreset {
    
    func createView() -> UIView {
        switch self {
        case .done: return SPAlertIconDoneView()
        case .error: return SPAlertIconErrorView()
        case .heart: return SPAlertIconHeartView()
        case .custom(let image):
            let imageView = UIImageView(image: image)
            imageView.contentMode = .scaleAspectFit
            return imageView
        }
    }
    
    func getHaptic() -> SPAlertHaptic {
        switch self {
        case .done: return .success
        case .error: return .error
        case .heart: return .success
        case .custom(_): return .none
        }
    }
}

// Get layout by preset.

public extension SPAlertLayout {
    
    convenience init() {
        self.init(iconSize: .init(width: 100, height: 100), margins: .init(top: 43, left: 16, bottom: 25, right: 16), spaceBetweenIconAndTitle: 41)
    }
    
    static func message() -> SPAlertLayout {
        let layout = SPAlertLayout()
        layout.margins = UIEdgeInsets(top: 23, left: 16, bottom: 23, right: 16)
        return layout
    }
    
    convenience init(for preset: SPAlertIconPreset) {
        switch preset {
        case .done:
            self.init(
                iconSize: .init(
                    width: 112,
                    height: 112
                ),
                margins: .init(
                    top: 63,
                    left: Self.defaultHorizontalInset,
                    bottom: 29,
                    right: Self.defaultHorizontalInset
                ),
                spaceBetweenIconAndTitle: 35
            )
        case .heart:
            self.init(
                iconSize: .init(
                    width: 112,
                    height: 77
                ),
                margins: .init(
                    top: 49,
                    left: Self.defaultHorizontalInset,
                    bottom: 25,
                    right: Self.defaultHorizontalInset
                ),
                spaceBetweenIconAndTitle: 35
            )
        case .error:
            self.init(
                iconSize: .init(
                    width: 86,
                    height: 86
                ),
                margins: .init(
                    top: 63,
                    left: Self.defaultHorizontalInset,
                    bottom: 29,
                    right: Self.defaultHorizontalInset
                ),
                spaceBetweenIconAndTitle: 39
            )
        case .custom(_):
            self.init(
                iconSize: .init(
                    width: 100,
                    height: 100
                ),
                margins: .init(
                    top: 43,
                    left: Self.defaultHorizontalInset,
                    bottom: 25,
                    right: Self.defaultHorizontalInset
                ),
                spaceBetweenIconAndTitle: 35
            )
        }
    }
    
    private static var defaultHorizontalInset: CGFloat { return 16 }
}