//
//  UIButton+YMImageLocation.m
//  MSYOUPAI
//
//  Created by YoMi on 2024/3/9.
//  Copyright © 2024 MS. All rights reserved.
//

#import "UIButton+YMImageLocation.h"

@implementation UIButton (YMImageLocation)

- (void)ym_imageLocationStyle:(YMImageLocationStyle)imageLocationStyle spacing:(CGFloat)spacing {
    if (imageLocationStyle == YMImageLocationStyleLeft) {
        if (self.contentHorizontalAlignment == UIControlContentHorizontalAlignmentLeft) {
            self.titleEdgeInsets = UIEdgeInsetsMake(0, spacing, 0, 0);
        } else if (self.contentHorizontalAlignment == UIControlContentHorizontalAlignmentRight) {
            self.imageEdgeInsets = UIEdgeInsetsMake(0, 0, 0, spacing);
        } else {
            self.imageEdgeInsets = UIEdgeInsetsMake(0, - 0.5 * spacing, 0, 0.5 * spacing);
            self.titleEdgeInsets = UIEdgeInsetsMake(0, 0.5 * spacing, 0, - 0.5 * spacing);
        }
    } else if (imageLocationStyle == YMImageLocationStyleRight) {
        CGFloat imageW = self.imageView.image.size.width;
        CGFloat titleW = self.titleLabel.frame.size.width;
        if (self.contentHorizontalAlignment == UIControlContentHorizontalAlignmentLeft) {
            self.imageEdgeInsets = UIEdgeInsetsMake(0, titleW + spacing, 0, 0);
            self.titleEdgeInsets = UIEdgeInsetsMake(0, - imageW, 0, 0);
        } else if (self.contentHorizontalAlignment == UIControlContentHorizontalAlignmentRight) {
            self.imageEdgeInsets = UIEdgeInsetsMake(0, 0, 0, - titleW);
            self.titleEdgeInsets = UIEdgeInsetsMake(0, 0, 0, imageW + spacing);
        } else {
            CGFloat imageOffset = titleW + 0.5 * spacing;
            CGFloat titleOffset = imageW + 0.5 * spacing;
            self.imageEdgeInsets = UIEdgeInsetsMake(0, imageOffset, 0, - imageOffset);
            self.titleEdgeInsets = UIEdgeInsetsMake(0, - titleOffset, 0, titleOffset);
        }
    } else if (imageLocationStyle == YMImageLocationStyleTop) {
        CGFloat imageW = self.imageView.frame.size.width;
        CGFloat imageH = self.imageView.frame.size.height;
        CGFloat titleIntrinsicContentSizeW = self.titleLabel.intrinsicContentSize.width;
        CGFloat titleIntrinsicContentSizeH = self.titleLabel.intrinsicContentSize.height;
        self.imageEdgeInsets = UIEdgeInsetsMake(- titleIntrinsicContentSizeH - spacing, 0, 0, - titleIntrinsicContentSizeW);
        self.titleEdgeInsets = UIEdgeInsetsMake(0, - imageW, - imageH - spacing, 0);
    } else if (imageLocationStyle == YMImageLocationStyleBottom) {
        CGFloat imageW = self.imageView.frame.size.width;
        CGFloat imageH = self.imageView.frame.size.height;
        CGFloat titleIntrinsicContentSizeW = self.titleLabel.intrinsicContentSize.width;
        CGFloat titleIntrinsicContentSizeH = self.titleLabel.intrinsicContentSize.height;
        self.imageEdgeInsets = UIEdgeInsetsMake(titleIntrinsicContentSizeH + spacing, 0, 0, - titleIntrinsicContentSizeW);
        self.titleEdgeInsets = UIEdgeInsetsMake(0, - imageW, imageH + spacing, 0);
    }
}

- (void)ym_imageLocationStyle:(YMImageLocationStyle)imageLocationStyle spacing:(CGFloat)spacing imageLocationBlock:(void (^)(UIButton *button))imageLocationBlock {
    
    imageLocationBlock(self);
    
    [self ym_imageLocationStyle:imageLocationStyle spacing:spacing];
}

@end