//
//  MineListMindImgView.m
//  乐销
//
//  Created by 隋林栋 on 2017/10/23.
//Copyright © 2017年 ping. All rights reserved.
//

#import "MineListMindImgView.h"
//detail big image view
#import "ImageDetailBigView.h"

@interface MineListMindImgView()
@property (nonatomic, assign) CGFloat imgWidth;
@property (nonatomic, assign) CGFloat imgHeight;
@property (nonatomic, strong) UILabel *labelNum;
@end

@implementation MineListMindImgView
#pragma mark lazy init
- (NSMutableDictionary *)dicImages{
    if (!_dicImages) {
        _dicImages = [NSMutableDictionary new];
    }
    return _dicImages;
}
- (NSArray *)aryModels{
    if (!_aryModels) {
        _aryModels = [NSArray new];
    }
    return _aryModels;
}
- (UILabel *)labelNum{
    if (!_labelNum) {
        _labelNum = [UILabel new];
        _labelNum.fontNum = F(23);
        _labelNum.textColor = [UIColor whiteColor];
        _labelNum.textAlignment = NSTextAlignmentCenter;
        _labelNum.userInteractionEnabled = true;
        _labelNum.backgroundColor = [UIColor colorWithWhite:0 alpha:0.5];
        _labelNum.hidden = true;
    }
    return _labelNum;
}
- (UIImageView *)imageWithIndex:(NSInteger )index{
    UIImageView * iv = [self.dicImages objectForKey:[NSString stringWithFormat:@"%ld",index]];
    if (!iv) {
        iv = [UIImageView new];
        iv.contentMode = UIViewContentModeScaleAspectFill;
        iv.clipsToBounds = true;
        [self.dicImages setObject:iv forKey:[NSString stringWithFormat:@"%ld",index]];
        iv.tag = index;
        iv.userInteractionEnabled = true;
        
        UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(imageClick:)];
        [iv addGestureRecognizer:tap];
    }
    return iv;
}
- (CGFloat)imgWidth{
    switch (self.aryModels.count) {
        case 0:
            return 0;
            break;
        case 1:
            return W(135);
            break;
        case 2:
        case 4:
            return W(103);
            break;
        default:
            return W(103);
    }
    return 0;
}
- (CGFloat)imgHeight{
    switch (self.aryModels.count) {
        case 0:
            return 0;
            break;
        case 1:
            return W(240);
            break;
        case 2:
        case 4:
            return W(103);
            break;
        default:
            return W(103);
            break;
    }
    return 0;
}
#pragma mark init
- (instancetype)initWithFrame:(CGRect)frame{
    self = [super initWithFrame:frame];
    if (self) {
        self.imgSpace = W(9);
        self.leftInteral = W(12);
        self.topInteral = W(0);
        self.width = SCREEN_WIDTH;
        self.numLimit = 9;
    }
    return self;
}

#pragma mark 刷新view
- (void)resetViewWithArray:(NSArray *)array{
    [self resetViewWithArray:array totalNum:array.count];
}
- (void)resetViewWithArray:(NSArray *)array totalNum:(double)totalNum{
    [self removeSubViewWithTag:TAG_LINE];
    self.aryModels = array;
    //刷新view
    CGFloat top = self.topInteral;
    CGFloat left = self.leftInteral;
    self.height = 0;
    self.labelNum.hidden = true;
    NSInteger numItems = totalNum == 4?4:MIN(totalNum, self.numLimit);
    for (int i = 0; i <  numItems; i++) {
        ModelImage *model = array[i];
        UIImageView *img = [self imageWithIndex:i];
        img.frame = CGRectMake(left, top, self.imgWidth, self.imgHeight);
        [img sd_setImageWithURL:model.url==nil?nil:[NSURL URLWithString:(i==0 && totalNum == 1)?model.url:model.url] placeholderImage:[UIImage imageNamed:IMAGE_BIG_DEFAULT]];
        img.contentMode = UIViewContentModeScaleAspectFill;
        img.tag = TAG_LINE;
        [self addSubview:img];
        left = img.right + self.imgSpace;
        if (totalNum == 2){
            left = img.right + self.imgSpace;
        }else if (totalNum == 4 ) {
            if (i == 1) {
                left = self.leftInteral;
                top = img.bottom + self.imgSpace;
            }
        }else if ((i+1)%3 == 0 ){
            left = self.leftInteral;
            top = img.bottom + self.imgSpace;
        }else if (totalNum ==1){
            img.centerX = SCREEN_WIDTH/2;
        }
        self.height = img.bottom + self.bottomInterval;
        //show label num
        if (i == self.numLimit - 1 && totalNum > self.numLimit && totalNum != 4) {
            self.labelNum.text = [NSString stringWithFormat:@"+%ld",(NSInteger)totalNum - self.numLimit];
            self.labelNum.widthHeight = img.widthHeight;
            [img addSubview:self.labelNum];
            self.labelNum.hidden = false;
        }
    }
}

#pragma mark image Click
- (void)imageClick:(UITapGestureRecognizer *)tap{
    UIImageView * view = (UIImageView *)tap.view;
    ImageDetailBigView * detailView = [ImageDetailBigView new];
    
    [detailView resetView:self.aryModels.tmpMuAry isEdit:false index: view.tag];
    [detailView showInView:GB_Nav.lastVC.view imageViewShow:view];
}

@end