//
//  DRScrollSearchView.m
//  YouHuiProject
//
//  Created by 小花 on 2018/1/16.
//  Copyright © 2018年 kuxuan. All rights reserved.
//

#import "DRScrollSearchView.h"

const NSInteger titleFont = 14;

@interface DRScrollSearchView(){
    
}
@property (nonatomic, strong)   NSMutableArray *titles;
@property (assign, nonatomic)   int titleIndex;
@property (assign, nonatomic)   int index;
@property (assign, nonatomic)   SearchScrollButtonStyle style;
@end

@implementation DRScrollSearchView

- (instancetype)initWithFrame:(CGRect)frame andTitles:(NSArray *)titles {
    self = [super initWithFrame:frame];
    if (self) {
        self.style = SearchScrollButtonGray;
        self.backgroundColor = [UIColor whiteColor];
        self.layer.cornerRadius = self.height/2;
        self.titles = [NSMutableArray arrayWithArray:titles];
        NSString *str = @"";
        [self.titles addObject:str];
        self.index = 1;
        
        NSString *imgName;
        UIColor *color;
        switch (self.style) {
            case SearchScrollButtonWhite:
            {
                imgName = @"search_small";
                color = [UIColor whiteColor];
            }
                
                break;
            case SearchScrollButtonGray:
            {
                imgName = @"search_gray_small";
                color = [UIColor YHColorWithHex:0x7F7F7F];
            }
                
                break;
            default:
            {
                imgName = @"search_small";
                color = [UIColor whiteColor];
            }
                break;
        }
        UIButton *btn = [[UIButton alloc]init];
        btn.frame = CGRectMake(0, 0, self.width, self.height);
        btn.tag = self.index;
        [btn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
        [btn setTitle:self.titles[0] forState:UIControlStateNormal];
        [btn setImage:[UIImage imageNamed:imgName] forState:UIControlStateNormal];
        [btn setTitleColor:color forState:UIControlStateNormal];
        
        btn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
        btn.imageEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 00);
        btn.titleEdgeInsets = UIEdgeInsetsMake(0, 12, 0, 0);
        btn.titleLabel.font = [UIFont systemFontOfSize:titleFont];
        [self addSubview:btn];
        self.clipsToBounds = YES;
        
        [NSTimer scheduledTimerWithTimeInterval:4.0 target:self selector:@selector(nextButton) userInfo:nil repeats:YES];
        
    }
    return self;
}

-(void)nextButton{
    UIButton *firstBtn = [self viewWithTag:self.index];
    UIButton *modelBtn = [[UIButton alloc]initWithFrame:CGRectMake(0, self.height, self.width, self.height)];
    modelBtn.tag = self.index + 1;
    if ([self.titles[self.titleIndex+1] isEqualToString:@""]) {
        self.titleIndex = -1;
        self.index = 0;
    }
    if (modelBtn.tag == self.titles.count) {
        
        modelBtn.tag = 1;
    }
    
    NSString *imgName;
    UIColor *color;
    switch (self.style) {
        case SearchScrollButtonWhite:
        {
            imgName = @"search_small";
            color = [UIColor whiteColor];
        }
            
            break;
        case SearchScrollButtonGray:
        {
            imgName = @"search_gray_small";
            color = [UIColor YHColorWithHex:0x7F7F7F];
        }
            
            break;
        default:
        {
            imgName = @"search_small";
            color = [UIColor whiteColor];
        }
            break;
    }
    [modelBtn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
    
    [modelBtn setTitle:self.titles[self.titleIndex+1] forState:UIControlStateNormal];
    [modelBtn setImage:[UIImage imageNamed:imgName] forState:UIControlStateNormal];
    [modelBtn setTitleColor:color forState:UIControlStateNormal];
    modelBtn.titleLabel.font = [UIFont systemFontOfSize:titleFont];
    
    modelBtn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
    modelBtn.imageEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0);
    modelBtn.titleEdgeInsets = UIEdgeInsetsMake(0, 12, 0, 0);
    [self addSubview:modelBtn];
    
    [UIView animateWithDuration:0.25 animations:^{
        firstBtn.y = -self.height;
        modelBtn.y = 0;
        
    } completion:^(BOOL finished) {
        [firstBtn removeFromSuperview];
        
    } ];
    self.index++;
    self.titleIndex++;
}

-(void)clickBtn:(UIButton *)btn{
    if ([self.delegate respondsToSelector:@selector(clickTitleButton:)]) {
        [self.delegate clickTitleButton:btn];
    }
}

- (void)setButtonStyle:(SearchScrollButtonStyle)style {
    self.style = style;
    NSString *imgName;
    UIColor *color;
    switch (self.style) {
        case SearchScrollButtonWhite:
        {
            imgName = @"search_small";
            color = [UIColor whiteColor];
        }
            
            break;
        case SearchScrollButtonGray:
        {
            imgName = @"search_gray_small";
            color = [UIColor YHColorWithHex:0x7F7F7F];
        }
            
            break;
        default:
        {
            imgName = @"search_small";
            color = [UIColor whiteColor];
        }
            break;
    }
    UIButton *firstBtn = [self viewWithTag:self.index];
    [firstBtn setImage:[UIImage imageNamed:imgName] forState:UIControlStateNormal];
    [firstBtn setTitleColor:color forState:UIControlStateNormal];
}


- (void)destory {
    for (UIView *subView in self.subviews) {
        [subView removeFromSuperview];
    }
}




@end