//
//  KXLaunchAdvertisement.m
//  CAISHEN
//
//  Created by kuxuan on 2017/8/17.
//  Copyright © 2017年 kuxuan. All rights reserved.
//

#import "KXLaunchAdvertisement.h"
#import "KXLaunchImageView.h"
#import "KXLaunchAdImageView.h"
#import "KXLaunchAdSkipButton.h"

@interface KXLaunchAdvertisement ()<KXLaunchAdImageViewDelegate>

@property (nonatomic, strong) KXLaunchAdConfiguration *configuration;          // 启动广告配置
@property (nonatomic, strong) UIWindow *window;                                // 启动广告窗口
@property (nonatomic, strong) KXLaunchImageView *launchImageView;              // 启动页视图
@property (nonatomic, strong) KXLaunchAdImageView *launchAdImageView;          // 启动广告视图
@property (nonatomic, strong) KXLaunchAdSkipButton *skipButton;                                 // 跳过按钮
@property (nonatomic, strong) UIImageView *iconImageView;                       //应用icon
@property (nonatomic, strong) UILabel *titleLabel;                              //应用名
@property (nonatomic, strong) dispatch_source_t waitingTimer;                   // 等待时间计时器
@property (nonatomic, strong) dispatch_source_t durationTimer;                  // 展示时间

@end

@implementation KXLaunchAdvertisement

#pragma mark - Public
+ (instancetype)sharedLaunchAdvertisement {
    
    static KXLaunchAdvertisement *instance;
    
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        
        instance = [[KXLaunchAdvertisement alloc] init];
    });
    
    return instance;
}

- (void)showImageLaunchAdvertisementWithConfiguration:(KXLaunchAdConfiguration *)configuration delegate:(id<KXLaunchAdvertisementDelegate>)delegate {
    
    self.configuration = configuration;
    _delegate = delegate;
}

#pragma mark - CustomAccessors
- (instancetype)init {
    if (self = [super init]) {
        
        [self setupLaunchAdvertisement];
        KXLaunchModel *model = [NSKeyedUnarchiver unarchiveObjectWithFile:[self filePath:KXADVERTISEMENTID_NEW]];
        if (model) {
            [NSKeyedArchiver archiveRootObject:model toFile:[self filePath:KXADVERTISEMENTID_OLD]];
        }
        
        
    }
    
    return self;
}

- (void)setConfiguration:(KXLaunchAdConfiguration *)configuration {
    _configuration = configuration;
    
    if (configuration.imageURLString.length > 0) {
        [self loadLaunchAdvertisementImage];
    } else {
        [self reset];
    }
}

#pragma mark - Private

/**
 设置开平广告
 */
- (void)setupLaunchAdvertisement {
    
    _window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
    _window.rootViewController = [UIViewController new];
    _window.rootViewController.view.backgroundColor = [UIColor clearColor];
    _window.rootViewController.view.userInteractionEnabled = NO;
    _window.windowLevel = UIWindowLevelAlert-1;
    _window.hidden = NO;
    _launchImageView = [KXLaunchImageView new];
    [_window addSubview:_launchImageView];
    
    [self startWaitingTimerCountdown];

}

/**
 等待时间，如果没有请求到就跳到首页
 */
- (void)startWaitingTimerCountdown {
    
    __block NSUInteger duration = 3;
    
    dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
    _waitingTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
    dispatch_source_set_timer(_waitingTimer, dispatch_walltime(NULL, 0), 1.0 * NSEC_PER_SEC, 0);
    dispatch_source_set_event_handler(_waitingTimer, ^{
        
        dispatch_async(dispatch_get_main_queue(), ^{
            
            if(duration == 0) {
                NSData *imageData = [[NSUserDefaults standardUserDefaults]valueForKey:KXADVERTISEMENTKEY];
                if (imageData) {
                    if (_waitingTimer) {
                        dispatch_source_cancel(_waitingTimer);
                        _waitingTimer = nil;
                        [self requestLocalImageData:imageData];

                    }
                }else{
                    [self reset];
                    
                }
            }
            duration--;
        });
    });
    
    dispatch_resume(_waitingTimer);
}
/**
 加载本地的图片资源
 */
- (void)requestLocalImageData:(NSData *)imageData{
    CGRect launchAdvertisementImageViewFrame = CGRectMake(0, 0, SCREEN_WIDTH,SCREEN_HEIGHT - 100);
    _launchAdImageView = [KXLaunchAdImageView new];
    _launchAdImageView.frame = launchAdvertisementImageViewFrame;
    _launchAdImageView.image = [UIImage imageWithData:imageData];
    _launchAdImageView.delegate = self;
    [_window addSubview:_launchAdImageView];
    
    
    [self setupSkipButton];
    [self setupIconName];
    [self startSkipDurationCountdown];
}

/**
 重置开屏广告
 */
- (void)reset {
    
    if (_waitingTimer) {
        dispatch_source_cancel(_waitingTimer);
        _waitingTimer = nil;
    }
    
    if (_durationTimer) {
        dispatch_source_cancel(_durationTimer);
        _durationTimer = nil;
    }
    
    [UIView animateWithDuration:0.25 animations:^{
        _window.alpha = 0;
    } completion:^(BOOL finished) {
        
        [_window.subviews enumerateObjectsUsingBlock:^(UIView *obj, NSUInteger idx, BOOL * _Nonnull stop) {
            [obj removeFromSuperview];
        }];
        
        _window.hidden = YES;
        _launchImageView = nil;
        _launchAdImageView = nil;
        _skipButton = nil;
        _iconImageView = nil;
        _titleLabel = nil;
        _window = nil;
    }];
}

/**
 加载启动视图广告
 */
- (void)loadLaunchAdvertisementImage {
    
    if (!(_configuration.imageURLString.length > 0)) {
        return;
    }
    
    [[SDWebImageDownloader sharedDownloader] downloadImageWithURL:[NSURL URLWithString:_configuration.imageURLString] options:0 progress:^(NSInteger receivedSize, NSInteger expectedSize) {
        
    } completed:^(UIImage *image, NSData *data, NSError *error, BOOL finished) {
        if (error || !image) {
            return;
        }
        [[NSUserDefaults standardUserDefaults]setValue:data forKey:KXADVERTISEMENTKEY];
        KXLaunchModel *model = [[KXLaunchModel alloc]init];
        model.image_url = self.configuration.imageURLString;
        model.link = self.configuration.detailString;
        model.product_id = self.configuration.product_id;
        model.skip_type = self.configuration.skipType;
        [NSKeyedArchiver archiveRootObject:model toFile:[self filePath:KXADVERTISEMENTID_NEW]];
        
        if (!_launchAdImageView) {
            [self requestLocalImageData:data];
            [NSKeyedArchiver archiveRootObject:model toFile:[self filePath:KXADVERTISEMENTID_OLD]];
        }
        
    }];
}

/**
 设置启动视图
 */
- (void)setupSkipButton {
    
    _skipButton = [KXLaunchAdSkipButton new];
    _skipButton.backgroundColor = [UIColor colorWithWhite:0 alpha:0.4];
    float x = SCREEN_WIDTH - 15 - 76;
    float y = 6+StatusBarHeight;
    _skipButton.frame = CGRectMake(x, y, 76, 24);
    _skipButton.layer.cornerRadius = 12;
    [_skipButton addTarget:self action:@selector(reset) forControlEvents:UIControlEventTouchUpInside];
    [_window addSubview:_skipButton];
}

- (void)setupIconName
{
    UIView *whiteView = [[UIView alloc]initWithFrame:CGRectMake(0, SCREEN_HEIGHT - 100, SCREEN_WIDTH, 100)];
    whiteView.backgroundColor = [UIColor whiteColor];
    [_window addSubview:whiteView];
    
    _iconImageView = [[UIImageView alloc]initWithFrame:CGRectMake(SCREEN_WIDTH/2.0 - 23*SCREEN_MUTI, SCREEN_HEIGHT - 80, 46, 46)];
    _iconImageView.layer.cornerRadius = 8;
    _iconImageView.layer.masksToBounds = YES;
    NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary];
    //获取app中所有icon名字数组
    NSArray *iconsArr = infoDict[@"CFBundleIcons"][@"CFBundlePrimaryIcon"][@"CFBundleIconFiles"];
    //取最后一个icon的名字
    NSString *iconLastName = [iconsArr lastObject];
    _iconImageView.image = [UIImage imageNamed:iconLastName];
    [_window addSubview:_iconImageView];
    
    _titleLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, SCREEN_HEIGHT-100+30+46, SCREEN_WIDTH, 16)];
    _titleLabel.text = [infoDict objectForKey:@"CFBundleDisplayName"];
    _titleLabel.font = FONT_SYS(14);
    _titleLabel.textAlignment = NSTextAlignmentCenter;
    _titleLabel.textColor = [UIColor KXColorWithHex:0x666666];
    [_window addSubview:_titleLabel];
}

/**
 开始倒计时
 */
- (void)startSkipDurationCountdown {
    
    if(_waitingTimer) {
        dispatch_source_cancel(_waitingTimer);
        _waitingTimer = nil;
    }
    __block NSInteger duration = 3;
    
    dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
    _durationTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
    dispatch_source_set_timer(_durationTimer, dispatch_walltime(NULL, 0), 1.0 * NSEC_PER_SEC, 0);
    dispatch_source_set_event_handler(_durationTimer, ^{
        
        dispatch_async(dispatch_get_main_queue(), ^{
            
            _skipButton.duration = duration;
            
            if(duration == 0) {
                if (_waitingTimer) {
                    dispatch_source_cancel(_durationTimer);
                    _durationTimer = nil;
                }
                
                [self reset];
            }
            
            duration--;
        });
    });
    
    dispatch_resume(_durationTimer);
}

#pragma mark - KXLaunchAdImageViewDelegate

- (void)didSelectAdvertisementImageView:(KXLaunchAdImageView *)adImageView
{
    KXLaunchModel *model = [NSKeyedUnarchiver unarchiveObjectWithFile:[self filePath:KXADVERTISEMENTID_OLD]];
    if ([_delegate respondsToSelector:@selector(launchAdvertisement:didSelectedWithLaunchModel:)]) {
        [_delegate launchAdvertisement:self didSelectedWithLaunchModel:model];
        [self reset];
    }
}

- (NSString *)filePath:(NSString *)path {
    
    NSString *cachesPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0];
    return [cachesPath stringByAppendingPathComponent:path];
}

@end