//
//  GuideViewController.m
//  FirstLink
//
//  Created by unicode on 14-9-28.
//  Copyright (c) 2014年 FirstLink. All rights reserved.
//

#import "GuideViewController.h"
#import "FKGuideManager.h"

#import "FKRecommendPageController.h"

#import "FLControllerHelper.h"
#import "FKAppearanceUtil.h"

#define PAGE_COUNT      4

@interface GuideViewController ()
<UIScrollViewDelegate>

@property (nonatomic, strong) UIButton *doneButton;
@property (nonatomic, strong) UIButton *closeButton;

@property (nonatomic, strong) UIPageControl *pageControl;
@property (nonatomic, strong) UIScrollView *pageScrollView;

@end

@implementation GuideViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    self.navigationController.navigationBarHidden = YES;
    self.tabBarController.tabBar.hidden = YES;
    
    self.edgesForExtendedLayout = UIRectEdgeAll;
    
    [self addAllSubviews];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    
    self.pageControl.hidden = YES;
    [self configScrollView];
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

- (void)addAllSubviews {
    [self.view addSubview:self.pageScrollView];
    [self.pageScrollView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.bottom.top.equalTo(self.view).offset(0);
    }];
    
    [self.view addSubview:self.doneButton];
    [self.doneButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.view).offset(-12);
        make.top.equalTo(self.view).offset(IS_IPHONE_X ? 48 : 24);
        make.height.mas_equalTo(44);
        make.width.mas_equalTo(44);
    }];
    
    [self.view addSubview:self.pageControl];
    [self.pageControl mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.view).offset(0);
        make.bottom.equalTo(self.view).offset(IS_IPHONE_X ? -30 : 4);
    }];
    
    [self.view addSubview:self.closeButton];
    [self.closeButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.view);
        make.bottom.equalTo(self.view).offset(IS_IPHONE_X ? -84 : -20);
        make.height.mas_equalTo(160);
        make.width.mas_equalTo(300);
    }];
}

#pragma mark - ScrollView Delegate

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    NSInteger curPageIndex = scrollView.contentOffset.x/UISCREENWIDTH;
    self.pageControl.currentPage = curPageIndex;
    
    if (curPageIndex == (PAGE_COUNT - 1)) {
        self.doneButton.hidden = YES;
        self.closeButton.hidden = NO;
    } else {
        self.doneButton.hidden = NO;
        self.closeButton.hidden = YES;
    }
}

#pragma mark - Action

- (IBAction)clickDoneAction:(id)sender {
    [self closeGuidePage];
}

- (void)closeGuidePage {
    [FKGuideManager successShowOnceGuide];
    [SystemUtil saveApplicationVersion];
    [self dismissViewControllerAnimated:YES completion:^{
    }];
}

- (void)configScrollView {
    UIImageView *imageView;
    self.pageScrollView.contentSize = CGSizeMake(UISCREENWIDTH*PAGE_COUNT, UISCREENHEIGH);
    
    for (int index = 0; index < PAGE_COUNT; index++) {
        imageView = [[UIImageView alloc] init];
        if (IS_IPHONE_4) {
            imageView.image = [UIImage imageNamed:[NSString stringWithFormat:@"guide_iphone4_%d.jpg", index]];
        } else if (IS_IPHONE_X) {
            imageView.image = [UIImage imageNamed:[NSString stringWithFormat:@"guide_iphone_x_%d.jpg", index]];
        } else {
            imageView.image = [UIImage imageNamed:[NSString stringWithFormat:@"guide_other_%d.jpg", index]];
        }
        imageView.frame = CGRectMake(UISCREENWIDTH * index, 0 ,UISCREENWIDTH, UISCREENHEIGH);
        imageView.contentMode = UIViewContentModeScaleAspectFit;
        [self.pageScrollView addSubview:imageView];
    }
}

#pragma mark - Property

- (UIButton*)doneButton {
    if (!_doneButton) {
        _doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_doneButton setTitle:@"跳过" forState:UIControlStateNormal];
        [_doneButton.titleLabel setFont:[UIFont systemFontOfSize:14]];
        [_doneButton setTitleColor:UIColorFromRGB(0x333333) forState:UIControlStateNormal];
        [_doneButton addTarget:self action:@selector(clickDoneAction:) forControlEvents:UIControlEventTouchUpInside];
        
        _doneButton.backgroundColor = [UIColor colorWithRed:245.0/255.0 green:239.0/255.0 blue:233.0/255.0 alpha:0.8];
        _doneButton.layer.cornerRadius = 22;
    }
    return _doneButton;
}

- (UIButton*)closeButton {
    if (!_closeButton) {
        _closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
//        [_closeButton setTitle:@"立即体验" forState:UIControlStateNormal];
//        [_closeButton.titleLabel setFont:[UIFont boldSystemFontOfSize:15]];
//        [_closeButton setTitleColor:UIColorFromRGB(0xff624a) forState:UIControlStateNormal];
        [_closeButton addTarget:self action:@selector(clickDoneAction:) forControlEvents:UIControlEventTouchUpInside];
        
//        _closeButton.layer.cornerRadius = 8;
//        _closeButton.layer.borderWidth = 1;
//        _closeButton.layer.borderColor = UIColorFromRGB(0xff624a).CGColor;
//        _closeButton.backgroundColor = UIColorFromRGB(0xcccccc);
        _closeButton.hidden = YES;
    }
    return _closeButton;
}

- (UIPageControl*)pageControl {
    if (!_pageControl) {
        _pageControl = [UIPageControl new];
        _pageControl.currentPage = 0;
        _pageControl.enabled = YES;
        _pageControl.numberOfPages = PAGE_COUNT;
        _pageControl.pageIndicatorTintColor = UIColorFromRGB(0xeeeeee);
        _pageControl.currentPageIndicatorTintColor = UIColorFromRGB(0xff6362);
    }
    return _pageControl;
}

- (UIScrollView*)pageScrollView {
    if (!_pageScrollView) {
        _pageScrollView = [[UIScrollView alloc] init];
        _pageScrollView.pagingEnabled = YES;
        _pageScrollView.showsHorizontalScrollIndicator = NO;
        _pageScrollView.showsVerticalScrollIndicator = NO;
        _pageScrollView.delegate = self;
    }
    return _pageScrollView;
}

@end