//
//  FKProPriceDetailCell.m
//  FirstLink
//
//  Created by jack on 16/8/12.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import "FKProPriceDetailCell.h"
#import "FKProDetailViewModel.h"
#import "UICollectionViewLeftAlignedLayout.h"
#import "FKProTagCollectionCell.h"

#import "FKVipBuyGuideButton.h"
#import "FLControllerHelper.h"
#import "FKVipBuyController.h"

static NSString * const kVipPriceTipString = @"VIP价";

@interface FKProPriceDetailCell ()
<UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout>

@property (nonatomic, strong) UILabel   *priceSignLabel;
@property (nonatomic, strong) UILabel   *priceLabel;

@property (nonatomic, strong) UILabel   *referPriceLabel;
@property (nonatomic, strong) UIView    *referCutLine;

@property (nonatomic, strong) UILabel   *soldNumLabel;

@property (nonatomic, strong) UIImageView *arrowImgView;

@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) NSArray *tagArray;

@property (nonatomic, strong) UILabel *normalPriceLabel;

@property (nonatomic, strong) UILabel *foreshshowActivityLabel;
@property (nonatomic, strong) UILabel *inprogressActivityLabel;

@property (nonatomic, strong) FKVipBuyGuideButton *vipBuyButton;

@end

@implementation FKProPriceDetailCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        
        [self addAllSubviews];
        self.selectionStyle = UITableViewCellSelectionStyleNone;
        self.contentView.backgroundColor = [UIColor whiteColor];
        
    }
    return self;
}

- (void)addAllSubviews{
    
    [self.contentView addSubview:self.priceSignLabel];
    [self.contentView addSubview:self.priceLabel];
    [self.contentView addSubview:self.collectionView];
    [self.contentView addSubview:self.referPriceLabel];
    [self.contentView addSubview:self.referCutLine];
    [self.contentView addSubview:self.soldNumLabel];
    [self.contentView addSubview:self.arrowImgView];
    [self.contentView addSubview:self.normalPriceLabel];
    [self.contentView addSubview:self.vipBuyButton];
    
    [self.contentView addSubview:self.inprogressActivityLabel];
    [self.inprogressActivityLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.contentView).offset(13);
        make.bottom.equalTo(self.priceLabel.mas_baseline).offset(2);
    }];
    
    [self.priceSignLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.inprogressActivityLabel.mas_right).offset(0);
        make.bottom.equalTo(self.priceLabel.mas_baseline).offset(2);
    }];

    [self.priceLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.priceSignLabel.mas_right);
        make.top.equalTo(self.contentView);
    }];
    
    [self.referPriceLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.priceLabel.mas_right).offset(7.5);
        make.bottom.equalTo(self.priceLabel.mas_baseline);
    }];
    
    [self.referCutLine mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.referPriceLabel);
        make.right.equalTo(self.referPriceLabel);
        make.centerY.equalTo(self.referPriceLabel);
        make.height.mas_equalTo(0.5);
    }];
    
    [self.soldNumLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.contentView).offset(-15);
        make.bottom.equalTo(self.contentView).offset(-14);
    }];
    
    [self.arrowImgView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.bottom.equalTo(self.contentView);
        make.centerX.equalTo(self.contentView.mas_left).offset(39);
    }];
    
    [self.contentView addSubview:self.foreshshowActivityLabel];
    [self.foreshshowActivityLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.contentView).offset(13);
        make.bottom.equalTo(self.contentView).offset(-14);
    }];
    
    [self.contentView addSubview:self.normalPriceLabel];
    [self.normalPriceLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.contentView).offset(13);
        make.bottom.equalTo(self.contentView).offset(-14);
    }];
    
    [self.contentView addSubview:self.vipBuyButton];
    [self.vipBuyButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.normalPriceLabel.mas_right).offset(12);
        make.centerY.equalTo(self.normalPriceLabel);
        make.size.mas_equalTo(CGSizeMake(62, 20));
    }];
}

- (void)fk_configWithViewModel:(id)viewModel indexPath:(NSIndexPath *)indexPath{
    if ([viewModel isKindOfClass:[FKProDetailViewModel class]]) {
        FKProDetailViewModel *detailModel = (FKProDetailViewModel *)viewModel;
        
        NSString *soldStr = detailModel.dataItem.productInfo.soldCount;
        if ([FLStringHelper isValidString:soldStr] && soldStr.integerValue > 0) {
            self.soldNumLabel.hidden = NO;
            self.soldNumLabel.text = [NSString stringWithFormat:@"已售：%@", detailModel.dataItem.productInfo.soldCount];
        } else {
            self.soldNumLabel.hidden = YES;
        }
        
        // 默认从选中规格中取非活动价格
        NSString *realPrice = detailModel.dataItem.productInfo.price;
        NSString *originPrice = detailModel.dataItem.productInfo.originalPrice;
        
        if (detailModel.selectBuyItem) {
            realPrice = detailModel.selectBuyItem.price;
            originPrice = detailModel.selectBuyItem.originPrice;
        }
        
        
        
        NSString *leftPrice = nil;
        NSString *rightPrice = nil;
        NSMutableAttributedString *bottomAttrPrice = nil;
        NSMutableArray *proTagArray = [NSMutableArray array];
        
        // 清除活动提示信息
        self.inprogressActivityLabel.text = nil;
        self.foreshshowActivityLabel.text = nil;
        self.normalPriceLabel.hidden = NO;
        self.vipBuyButton.hidden = NO;
        
        // 根据活动状态更新价格显示
        FKProPriceDetailCellType cellType = [detailModel priceDetailCellType];
        if (cellType == FKProPriceDetailCellTypeInProgress
            || cellType == FKProPriceDetailCellTypeForeshow) {
            
            self.normalPriceLabel.hidden = YES;
            self.vipBuyButton.hidden = YES;
            
            NSString *desc = detailModel.selectBuyItem.activityDesc;
            NSString *price = detailModel.selectBuyItem.activityPrice ? : realPrice;
            if (cellType == FKProPriceDetailCellTypeForeshow) {
                self.foreshshowActivityLabel.text = [NSString stringWithFormat:@"%@¥%@", desc, [FLStringHelper convertFenToYuan:price]];
                
                leftPrice = realPrice;
                rightPrice = originPrice;
            } else if (cellType == FKProPriceDetailCellTypeInProgress) {
                self.inprogressActivityLabel.text = desc;
                
                leftPrice = price;
                rightPrice = originPrice;
            }
        } else {
            // 显示UI
            NSRange bottomPriceRange;
            if ([detailModel.discountItem isVipUserWithDiscount]) {
                NSString *tempPrice = [NSString stringWithFormat:@"%@", [FLStringHelper convertFenToYuan:realPrice]];
                bottomAttrPrice = [[NSMutableAttributedString alloc] initWithString:[NSString stringWithFormat:@"普通用户价：¥%@", tempPrice]];
                bottomPriceRange = NSMakeRange(bottomAttrPrice.length - tempPrice.length, tempPrice.length);
                
                CGFloat discount = [detailModel.discountItem.discount floatValue];
                realPrice = [NSString stringWithFormat:@"%.2lf", [realPrice floatValue] * discount/100.0];
                leftPrice = realPrice;
                
                rightPrice = originPrice;
                
                [proTagArray addObject:kVipPriceTipString];
                
                self.vipBuyButton.hidden = YES;
            } else {
                CGFloat discount = [detailModel.discountItem.discount floatValue];
                NSString *tempPrice = [NSString stringWithFormat:@"%.2lf", [realPrice floatValue]/100.0*discount/100.0];
                bottomAttrPrice = [[NSMutableAttributedString alloc] initWithString:[NSString stringWithFormat:@"VIP用户价：¥%@", tempPrice]];
                bottomPriceRange = NSMakeRange(bottomAttrPrice.length - tempPrice.length, tempPrice.length);
                
                leftPrice = realPrice;
                rightPrice = originPrice;
                
                self.vipBuyButton.hidden = NO;
            }
            [bottomAttrPrice addAttribute:NSForegroundColorAttributeName value:UIColorFromRGB(0x666666) range:bottomPriceRange];
            [bottomAttrPrice addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:13] range:bottomPriceRange];
        }
        
        
        self.priceLabel.text = [NSString stringWithFormat:@"%@", [FLStringHelper convertFenToYuan:leftPrice]];
        
        self.referPriceLabel.hidden = YES;
        self.referCutLine.hidden = YES;
        if ([FLStringHelper isValidString:rightPrice]){
            self.referPriceLabel.hidden = NO;
            self.referCutLine.hidden = NO;
            self.referPriceLabel.text = [NSString stringWithFormat:@"￥%@", [FLStringHelper convertFenToYuan:rightPrice]];
        }
        
        self.normalPriceLabel.attributedText = bottomAttrPrice;
        
        
        CGFloat discount = [self getPriceDiscount:realPrice originPrice:originPrice];
        if (discount >= 0.005 && discount <= 0.8) {
            NSString *discountTip = [NSString stringWithFormat:@"%.1f折", discount * 10.0f];
            [proTagArray addObject:discountTip];
        }
        
        [proTagArray addObjectsFromArray:detailModel.tagArray];
        self.tagArray = proTagArray;
        
        // 重新布局CollectionView
        WeakSelf(weakSelf);
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.6f * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            UIView *preView = nil;
            if (weakSelf.referPriceLabel.hidden) {
                preView = weakSelf.priceLabel;
            } else {
                preView = weakSelf.referPriceLabel;
            }
            [weakSelf.collectionView mas_remakeConstraints:^(MASConstraintMaker *make) {
                make.left.equalTo(preView.mas_right).offset(7.5);
                make.right.equalTo(weakSelf.contentView);
                make.centerY.equalTo(weakSelf.priceLabel);
                make.height.mas_equalTo(20);
            }];
            [weakSelf.collectionView reloadData];
        });
    }
}


- (CGFloat)getPriceDiscount:(NSString *)priceString originPrice:(NSString *)originPriceString {
    if ([FLStringHelper isValidString:priceString] && [FLStringHelper isValidString:originPriceString]) {
        CGFloat price = [FLStringHelper convertFenStringToYuanValue:priceString];
        CGFloat orginPrice = [FLStringHelper convertFenStringToYuanValue:originPriceString];
        return price / orginPrice;
    }
    return 0;
}

+ (CGFloat)cellHeight:(FKProPriceDetailCellType)cellType {
    CGFloat offset = 26.0;
    if (cellType == FKProPriceDetailCellTypeInProgress) {
        offset = 0;
    }
    return (36.0f + offset);
}

#pragma mark - UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.tagArray.count;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(nonnull NSIndexPath *)indexPath {
    return CGSizeMake([FKProTagCollectionCell widthForKeyword:self.tagArray[indexPath.row]], 16);
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    FKProTagCollectionCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([FKProTagCollectionCell class])
                                                                             forIndexPath:indexPath];
    NSString *text = self.tagArray[indexPath.row];
    cell.titleLabel.text = text;
    if ([text rangeOfString:kVipPriceTipString].length > 0) {
        cell.titleLabel.textColor = UIColorFromRGB(0xff5656);
        cell.titleLabel.layer.borderColor = UIColorFromRGB(0xff5656).CGColor;
    } else {
        cell.titleLabel.textColor = UIColorFromRGB(0xe77800);
        cell.titleLabel.layer.borderColor = UIColorFromRGB(0xe77800).CGColor;
    }
    
    return cell;
}

#pragma mark - Action

- (IBAction)clickVipBuyButton:(id)sender {
    FKVipBuyController *controller = [FKVipBuyController new];
    controller.hidesBottomBarWhenPushed = YES;
    [[FLControllerHelper currentNavigationController] pushViewController:controller animated:YES];
}

#pragma mark - property

- (UILabel *)priceLabel{
    if (_priceLabel == nil) {
        _priceLabel = [[UILabel alloc]init];
        _priceLabel.textColor = UIColorFromRGB(0xff6362);
        _priceLabel.font = [UIFont boldSystemFontOfSize:23];
    }
    return _priceLabel;
}

- (UILabel *)priceSignLabel{
    if (_priceSignLabel == nil) {
        _priceSignLabel = [[UILabel alloc]init];
        _priceSignLabel.textColor = UIColorFromRGB(0xff6362);
        _priceSignLabel.font = [UIFont systemFontOfSize:11];
        _priceSignLabel.text = @"¥";
    }
    return _priceSignLabel;
}

- (UILabel *)referPriceLabel{
    if (_referPriceLabel == nil) {
        _referPriceLabel = [[UILabel alloc]init];
        _referPriceLabel.textColor = UIColorFromRGB(0x9999999);
        _referPriceLabel.font = [UIFont systemFontOfSize:10];
    }
    return _referPriceLabel;
}

- (UIView *)referCutLine{
    if (_referCutLine == nil) {
        _referCutLine = [[UIView alloc]init];
        _referCutLine.backgroundColor = UIColorFromRGB(0x9999999);
    }
    return _referCutLine;
}

- (UILabel *)soldNumLabel{
    if (_soldNumLabel == nil) {
        _soldNumLabel = [[UILabel alloc]init];
        _soldNumLabel.textColor = UIColorFromRGB(0x666666);
        _soldNumLabel.font = [UIFont systemFontOfSize:12];
        _soldNumLabel.text = @"已售";
    }
    return _soldNumLabel;
}

- (UIImageView *)arrowImgView{
    if (_arrowImgView == nil) {
        _arrowImgView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"Wight_arrow"]];
    }
    return _arrowImgView;
}

- (UILabel *)foreshshowActivityLabel {
    if (_foreshshowActivityLabel == nil) {
        _foreshshowActivityLabel = [[UILabel alloc]init];
        _foreshshowActivityLabel.textColor = UIColorFromRGB(0xff2c6b);
        _foreshshowActivityLabel.font = [UIFont systemFontOfSize:12];
    }
    return _foreshshowActivityLabel;
}

- (UILabel *)inprogressActivityLabel {
    if (_inprogressActivityLabel == nil) {
        _inprogressActivityLabel = [[UILabel alloc]init];
        _inprogressActivityLabel.textColor = UIColorFromRGB(0x666666);
        _inprogressActivityLabel.font = [UIFont systemFontOfSize:11];
    }
    return _inprogressActivityLabel;
}

- (UILabel *)normalPriceLabel {
    if (_normalPriceLabel == nil) {
        _normalPriceLabel = [UILabel new];
        _normalPriceLabel.textColor = UIColorFromRGB(0x666666);
        _normalPriceLabel.font = [UIFont systemFontOfSize:8];
//        _normalPriceLabel.backgroundColor = [UIColor yellowColor];
    }
    return _normalPriceLabel;
}

- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewLeftAlignedLayout *layout = [UICollectionViewLeftAlignedLayout new];
        layout.minimumInteritemSpacing = 6;
        
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.showsVerticalScrollIndicator = NO;
        _collectionView.scrollEnabled = NO;
        
        _collectionView.dataSource = self;
        _collectionView.delegate = self;
        
        _collectionView.backgroundColor = UIColorFromRGB(0xffffff);
        _collectionView.contentInset = UIEdgeInsetsZero;
        
        [_collectionView registerClass:[FKProTagCollectionCell class] forCellWithReuseIdentifier:NSStringFromClass([FKProTagCollectionCell class])];
    }
    return _collectionView;
}

- (FKVipBuyGuideButton *)vipBuyButton {
    if (!_vipBuyButton) {
        _vipBuyButton = [FKVipBuyGuideButton buttonWithType:UIButtonTypeCustom];
        _vipBuyButton.hidden = YES;
        [_vipBuyButton addTarget:self action:@selector(clickVipBuyButton:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _vipBuyButton;
}

@end