// these allow a set of images to be animated. the array may contain multiple copies of the same

// 动画图片数组
open var animationImages: [UIImage]? // The array must contain UIImages. Setting hides the single image. default is nil
// 高亮动画图片数组
@available(iOS 3.0, *)
open var highlightedAnimationImages: [UIImage]? // The array must contain UIImages. Setting hides the single image. default is nil
// 动画持续时间
open var animationDuration: TimeInterval // for one cycle of images. default is number of images * 1/30th of a second (i.e. 30 fps)
// 重复次数（默认 0，无限循环）
open var animationRepeatCount: Int // 0 means infinite (default is 0)
// 获取是否动画中...
open var isAnimating: Bool { get }

// 开始动画
open func startAnimating()
// 结束动画
open func stopAnimating()

import UIKit

class UIImageViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        
        navigationItem.title = "UIImageView Frame Animation"
        view.backgroundColor = .white
        
        setupImageViewAnimation()
    }
    
    func setupImageViewAnimation() {
        
        //MARK: - Create UIImageView
        
        let imageV = UIImageView()
        imageV.center = view.center
        imageV.bounds = CGRect(x: 0, y: 0, width: 300, height: 300)
        imageV.backgroundColor = UIColor(white: 0.9, alpha: 1)
        view.addSubview(imageV)
        
        
        //MARK: - Add frame animation with UIImageView
        
        /// Add  images with 'UIImage' type to Array
        var array = [UIImage]()
        for i in 0...21 {
            array.append(UIImage(named: "image_\(i)") ?? UIImage())
        }
        
        /// animation duration
        imageV.animationDuration = 3.0
        /// animation images resources
        imageV.animationImages = array
        /// animation repeat count，0 means infinite
        imageV.animationRepeatCount = 0
        
        /// start animation
        imageV.startAnimating()
    }
}

platform :ios, '11.0'

target '001-LottieAndSVGADemo' do
use_frameworks!

	pod 'SVGAPlayer'

source 'https://github.com/CocoaPods/Specs.git'

end

*********** 核心方法 ************

// 通过 URL 播放动画（底层实现依赖于 parseWithURLRequest 方法）
- (void)parseWithURL:(nonnull NSURL *)URL
     completionBlock:(void ( ^ _Nonnull )(SVGAVideoEntity * _Nullable videoItem))completionBlock
        failureBlock:(void ( ^ _Nullable)(NSError * _Nullable error))failureBlock;

// 最核心方法，通过网络请求 URLRequest 播放动画
// 原理：先通过 parseWithCacheKey 方法查询是否有对应的缓存，如果有直接返回；如果没有，则通过 NSURLSession 的 dataTaskWithRequest 方法进行缓存下载再返回
- (void)parseWithURLRequest:(nonnull NSURLRequest *)URLRequest
            completionBlock:(void ( ^ _Nonnull )(SVGAVideoEntity * _Nullable videoItem))completionBlock
               failureBlock:(void ( ^ _Nullable)(NSError * _Nullable error))failureBlock;

// 通过 data 加载播放动画
- (void)parseWithData:(nonnull NSData *)data
             cacheKey:(nonnull NSString *)cacheKey
      completionBlock:(void ( ^ _Nullable)(SVGAVideoEntity * _Nonnull videoItem))completionBlock
         failureBlock:(void ( ^ _Nullable)(NSError * _Nonnull error))failureBlock;

// 本地加载播放动画，通过文件资源名
- (void)parseWithNamed:(nonnull NSString *)named
              inBundle:(nullable NSBundle *)inBundle
       completionBlock:(void ( ^ _Nullable)(SVGAVideoEntity * _Nonnull videoItem))completionBlock
          failureBlock:(void ( ^ _Nullable)(NSError * _Nonnull error))failureBlock;


*********** 代理方法 ************

// 动画完成时回调
- (void)svgaPlayerDidFinishedAnimation:(SVGAPlayer *)player;
// 当前执行动画对应图库资源的 frame 帧 index
- (void)svgaPlayerDidAnimatedToFrame:(NSInteger)frame;
// 动画执行进度
- (void)svgaPlayerDidAnimatedToPercentage:(CGFloat)percentage;


*********** 本地 ************

// 创建 SVGAPlayer 实例
SVGAPlayer *localSVGAPlayer = [[SVGAPlayer alloc] initWithFrame:CGRectMake(0, 0, 200, 200)];
[self.view addSubview:localSVGAPlayer]; // Add subview by yourself.

// 创建 SVGAParser 实例，并使用对应的方法加载动画
SVGAParser *parser = [[SVGAParser alloc] init];
[parser parseWithNamed:@"posche" inBundle:nil completionBlock:^(SVGAVideoEntity * _Nonnull videoItem) {
    localSVGAPlayer.videoItem = svgaItem
    localSVGAPlayer.startAnimation()
} failureBlock:nil];


*********** 远程 ************

// 创建 SVGAPlayer 实例
SVGAPlayer *player = [[SVGAPlayer alloc] initWithFrame:CGRectMake(0, 0, 200, 200)];
[self.view addSubview:player]; // Add subview by yourself.

// 创建 SVGAParser 实例，并使用对应的方法加载动画
SVGAParser *parser = [[SVGAParser alloc] init];
[parser parseWithURL:[NSURL URLWithString:@"https://github.com/yyued/SVGA-Samples/blob/master/posche.svga?raw=true"] completionBlock:^(SVGAVideoEntity * _Nullable videoItem) {
    if (videoItem != nil) {
        player.videoItem = videoItem;
        [player startAnimation];
    }
} failureBlock:nil];

import UIKit
import SVGAPlayer

class SVGAViewController: UIViewController {
    
    let remoteSVGAUrl = "https://gitee.com/jijiucheng/MyFile/raw/master/airplane.svga"
    let localSVGAName = "airplane"

    override func viewDidLoad() {
        super.viewDidLoad()

        navigationItem.title = "SVGA Animation"
        view.backgroundColor = .white
        
        setupSVGAAnimation()
    }
    
    func setupSVGAAnimation() {
        
        //MARK: - Local
        
        let localLabel = UILabel(frame: CGRect(x: 20, y: 100, width: UIScreen.main.bounds.size.width - 20*2, height: 25))
        localLabel.text = "Local SVGA Animation"
        localLabel.textAlignment = .center
        localLabel.font = UIFont.boldSystemFont(ofSize: 18)
        view.addSubview(localLabel)
        
        let localSVGAPlayer = SVGAPlayer(frame: CGRect(x: 20, y: 150, width: 130, height: 130))
        localSVGAPlayer.backgroundColor = .darkGray
//        localSVGAPlayer.delegate = self
        localSVGAPlayer.loops = 0       // repeat count，0 means infinite
        localSVGAPlayer.clearsAfterStop = false     // Remove or clear after stop
        view.addSubview(localSVGAPlayer)

        let localSVGAParser = SVGAParser()
        localSVGAParser.parse(withNamed: localSVGAName, in: nil, completionBlock: { (svgaItem) in
            localSVGAPlayer.videoItem = svgaItem
            localSVGAPlayer.startAnimation()
        }, failureBlock: nil)
        
        
        //MARK: - Remote
        
        let remoteLabel = UILabel(frame: CGRect(x: 20, y: 400, width: UIScreen.main.bounds.size.width - 20*2, height: 25))
        remoteLabel.text = "Remote SVGA Animation"
        remoteLabel.textAlignment = .center
        remoteLabel.font = UIFont.boldSystemFont(ofSize: 18)
        view.addSubview(remoteLabel)
        
        let remoteSVGAPlayer = SVGAPlayer(frame: CGRect(x: 20, y: 450, width: 150, height: 150))
        remoteSVGAPlayer.backgroundColor = .darkGray
        view.addSubview(remoteSVGAPlayer)
        
        if let url = URL(string: remoteSVGAUrl) {
            let remoteSVGAParser = SVGAParser()
            remoteSVGAParser.parse(with: url, completionBlock: { (svgaItem) in
                remoteSVGAPlayer.videoItem = svgaItem
                remoteSVGAPlayer.startAnimation()
            }, failureBlock: { (error) in
                print("--------------------- \(String(describing: error))")
            })
        }
    }
}

extension SVGAViewController: SVGAPlayerDelegate {
    
    /// SVGA animation progress
    func svgaPlayerDidAnimated(toPercentage percentage: CGFloat) {
        print("precent ------- \(percentage)")
    }
    
    /// SVGA frame index with images resource
    func svgaPlayerDidAnimated(toFrame frame: Int) {
        print("frame ------- \(frame)")
    }
    
    /// doing after SVGA animation end or stop
    func svgaPlayerDidFinishedAnimation(_ player: SVGAPlayer!) {
        print("play end ---------------")
    }
}

platform :ios, '11.0'

target '001-LottieAndSVGADemo' do
use_frameworks!

  pod 'lottie-ios'

source 'https://github.com/CocoaPods/Specs.git'

end

// 是否循环播放动画
/// Tells the animation to loop indefinitely.
open var loopAnimation: Bool

// 当支持循环播放时，是否反向播放
/// The animation will play forward and then backwards if loopAnimation is also YES
open var autoReverseAnimation: Bool

// 播放速度
/// Sets the speed of the animation. Accepts a negative value for reversing animation.
open var animationSpeed: CGFloat

// 播放时间，只读属性，要设置时长可以通过 animationSpeed 设置播放速度   
/// Read only of the duration in seconds of the animation at speed of 1
open var animationDuration: CGFloat { get }

import UIKit
import Lottie

class LottieViewController: UIViewController {
    
    /// 源资源文件链接：https://lottiefiles.com/159-servishero-loading
    let remoteUrl = "https://assets5.lottiefiles.com/datafiles/Hc0DflKIkYg1j3u/data.json"
    let localName = "159-servishero-loading.json"

    override func viewDidLoad() {
        super.viewDidLoad()

        navigationItem.title = "Lottie 动画"
        view.backgroundColor = .gray
        
        setupLottieAnimation()
    }
    
    func setupLottieAnimation() {
        
        /// local
        
        let localLabel = UILabel(frame: CGRect(x: 20, y: 100, width: UIScreen.main.bounds.size.width - 20*2, height: 25))
        localLabel.text = "Local Lottie Animation"
        localLabel.textAlignment = .center
        localLabel.font = UIFont.boldSystemFont(ofSize: 18)
        view.addSubview(localLabel)
        
        let localLottie = LOTAnimationView(name: localName)
        localLottie.backgroundColor = .white
        localLottie.frame = CGRect(x: 100, y: 150, width: 200, height: 200)
        localLottie.contentMode = .scaleAspectFit
        localLottie.animationSpeed = 3
        localLottie.loopAnimation = true
        view.addSubview(localLottie)
        
        localLottie.play()
        
        
        /// remote
        
        let remoteLabel = UILabel(frame: CGRect(x: 20, y: 400, width: UIScreen.main.bounds.size.width - 20*2, height: 25))
        remoteLabel.text = "Remote Lottie Animation"
        remoteLabel.textAlignment = .center
        remoteLabel.font = UIFont.boldSystemFont(ofSize: 18)
        view.addSubview(remoteLabel)
        
        if let url = URL(string: remoteUrl) {
            let remoteLottie = LOTAnimationView(contentsOf: url)
            remoteLottie.backgroundColor = .white
            remoteLottie.frame = CGRect(x: 100, y: 450, width: 200, height: 200)
            remoteLottie.contentMode = .scaleAspectFit
            remoteLottie.animationSpeed = 0.5
            remoteLottie.loopAnimation = true
            view.addSubview(remoteLottie)
            
            remoteLottie.play()
        }
    }
}