//
//  TZVideoEditedPreviewController.m
//  TZImagePickerController
//
//  Created by 肖兰月 on 2021/5/29.
//  Copyright © 2021 谭真. All rights reserved.
//

#import "TZVideoEditedPreviewController.h"
#import <MediaPlayer/MediaPlayer.h>
#import "TZImageManager.h"
#import "TZImagePickerController.h"
#import "UIView+TZLayout.h"

@interface TZVideoEditedPreviewController () {
    AVPlayer *_player;
    AVPlayerLayer *_playerLayer;
    UIButton *_playButton;
    UIImage *_cover;
    
    UIView *_toolBar;
    UIButton *_doneButton;
    UIProgressView *_progress;
    
    UIStatusBarStyle _originStatusBarStyle;
}

@end

@implementation TZVideoEditedPreviewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor blackColor];
    [self configMoviePlayer];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(pausePlayerAndShowNaviBar) name:UIApplicationWillResignActiveNotification object:nil];
}

- (void)configMoviePlayer {
    _player = [AVPlayer playerWithURL:self.videoURL];
    _playerLayer = [AVPlayerLayer playerLayerWithPlayer:_player];
    [self.view.layer addSublayer:_playerLayer];
    
    [self configPlayButton];
    [self configBottomToolBar];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(pausePlayerAndShowNaviBar) name:AVPlayerItemDidPlayToEndTimeNotification object:self->_player.currentItem];
}

- (void)configPlayButton {
    _playButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_playButton setImage:[UIImage tz_imageNamedFromMyBundle:@"MMVideoPreviewPlay"] forState:UIControlStateNormal];
    [_playButton setImage:[UIImage tz_imageNamedFromMyBundle:@"MMVideoPreviewPlayHL"] forState:UIControlStateHighlighted];
    [_playButton addTarget:self action:@selector(playButtonClick) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:_playButton];
}

- (void)configBottomToolBar {
    _toolBar = [[UIView alloc] initWithFrame:CGRectZero];
    CGFloat rgb = 34 / 255.0;
    _toolBar.backgroundColor = [UIColor colorWithRed:rgb green:rgb blue:rgb alpha:0.7];
    
    _doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
    _doneButton.titleLabel.font = [UIFont systemFontOfSize:16];
    [_doneButton addTarget:self action:@selector(doneButtonClick) forControlEvents:UIControlEventTouchUpInside];
    TZImagePickerController *tzImagePickerVc = (TZImagePickerController *)self.navigationController;
    if (tzImagePickerVc) {
        [_doneButton setTitle:tzImagePickerVc.doneBtnTitleStr forState:UIControlStateNormal];
        [_doneButton setTitleColor:tzImagePickerVc.oKButtonTitleColorNormal forState:UIControlStateNormal];
    } else {
        [_doneButton setTitle:[NSBundle tz_localizedStringForKey:@"Done"] forState:UIControlStateNormal];
        [_doneButton setTitleColor:[UIColor colorWithRed:(83/255.0) green:(179/255.0) blue:(17/255.0) alpha:1.0] forState:UIControlStateNormal];
    }
    [_doneButton setTitleColor:tzImagePickerVc.oKButtonTitleColorDisabled forState:UIControlStateDisabled];
    [_toolBar addSubview:_doneButton];
    [self.view addSubview:_toolBar];
}


#pragma mark - Layout

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];

    BOOL isFullScreen = self.view.tz_height == [UIScreen mainScreen].bounds.size.height;
    CGFloat statusBarHeight = isFullScreen ? [TZCommonTools tz_statusBarHeight] : 0;
    CGFloat statusBarAndNaviBarHeight = statusBarHeight + self.navigationController.navigationBar.tz_height;
    
    CGFloat toolBarHeight = 44 + [TZCommonTools tz_safeAreaInsets].bottom;
    _toolBar.frame = CGRectMake(0, self.view.tz_height - toolBarHeight, self.view.tz_width, toolBarHeight);
    [_doneButton sizeToFit];
    _doneButton.frame = CGRectMake(self.view.tz_width - _doneButton.tz_width - 12, 0, MAX(44, _doneButton.tz_width), 44);
    _playButton.frame = CGRectMake(0, statusBarAndNaviBarHeight, self.view.tz_width, self.view.tz_height - statusBarAndNaviBarHeight - toolBarHeight);
    _playerLayer.frame = self.view.bounds;
}

#pragma mark - Click Event

- (void)playButtonClick {
    CMTime currentTime = _player.currentItem.currentTime;
    CMTime durationTime = _player.currentItem.duration;
    if (_player.rate == 0.0f) {
        if (currentTime.value == durationTime.value) [_player.currentItem seekToTime:CMTimeMake(0, 1)];
        [_player play];
        _toolBar.hidden = YES;
        [_playButton setImage:nil forState:UIControlStateNormal];
    } else {
        [self pausePlayerAndShowNaviBar];
    }
}

- (void)doneButtonClick {
    [self dismissViewControllerAnimated:YES completion:nil];
}

#pragma mark - Notification Method

- (void)pausePlayerAndShowNaviBar {
    [_player pause];
    _toolBar.hidden = NO;
    [_playButton setImage:[UIImage tz_imageNamedFromMyBundle:@"MMVideoPreviewPlay"] forState:UIControlStateNormal];
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

#pragma clang diagnostic pop

@end