duoshoubang/FirstLink/Compoments/详情模块/商品详情/ViewModel/FKProDetailV...

//
//  FKProDetailViewModel.m
//  FirstLink
//
//  Created by jack on 16/8/15.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import "FKProDetailViewModel.h"
#import "UserDefaultManager.h"

@implementation FKProDetailViewModel

- (instancetype)init {
    self = [super init];
    if (self) {
        self.showWeightDetail = [self isNeedShowWeightDetailDefault];
        self.isBrandDescClose = TRUE;
        self.hasSelectedSKU = NO;
    }
    return self;
}

- (NSInteger)numberOfSectionsInTableType:(kProTableType)tableType{
    
    if (tableType == kProTableTypeUp) {
        
        NSInteger count = 4;
        if (self.brandRecItem.brandInfo) count++;
        if (self.allLookItem.productList.count) count++;
        return count;
        
    } else if (tableType == kProTableTypeDown) {
        
        if (self.showWarn) {
            // 展示温馨提示
            return 3;
        }
        
        NSInteger count = 2;
        if ([self.dataItem hasRecommend]) count++;
        if (self.relativeProArray.count) count++;
        return count;
    }
    
    return 0;
    
}

- (NSInteger)numberOfRowsInSection:(NSInteger)section tableType:(kProTableType)tableType{
    
    if (tableType == kProTableTypeUp) {
        
        NSInteger addForBrand = (self.brandRecItem.brandInfo ? 1 : 0);
        
        if (section == 0) {
            
            NSInteger count = 5;
            if (self.dataItem.isExistActivityBanner) count++;
            if ([self.dataItem.productInfo isHasAmazonScore]) count++;
            if (self.tagArray.count) count++;
            if (self.showWeightDetail) count++;
            if (self.dataItem.productInfo.isBCChannel) count++;
            return count;
            
        }else if (section == 1) {
            
            return self.activityArray.count + 1;
            
        }else if (section == 2) {
            // 官网
            return 1;
        }else if (section == 3) {
            if ([self.dataItem.lastQA hasAskAndAnswer]) return 2;
            return 1;
        }else if (section == 4 && addForBrand) {
            if (self.brandRecItem.brandRecList.count) return 2;
            return 1;
        }else if (section == 4 + addForBrand) {
            return 1;
        }
    } else if (tableType == kProTableTypeDown) {
        
        if (self.showWarn) {
            if (section == 0) {
                return self.tipsItem.beforeBuyCount + 1;
            }else if (section == 1) {
                return self.tipsItem.buyAttentionCount + 1;
            }else if (section == 2) {
                return 2;
            }
        } else{
            
            NSInteger addRecommend = ([self.dataItem hasRecommend] ? 1 : 0);
            
            if (section == 0 && addRecommend) {
                return 1;
            }else if (section == 0 + addRecommend) {
                return 1;
            }else if (section == 1 + addRecommend) {
                return self.dataItem.productShowArray.count;
            }else if (section == 2 + addRecommend) {
                return ceil(self.relativeProArray.count / 2.0f);
            }
        }
        
    }
    return 0;
}

- (kProCellType)cellTypeForIndexPath:(NSIndexPath *)indexPath tableType:(kProTableType)tableType{
    
    if (tableType == kProTableTypeUp) {
        
        NSInteger addForBrand = (self.brandRecItem.brandInfo ? 1 : 0);
        
        if (indexPath.section == 0) {
            
            if (indexPath.row == 0) return kProCellTypeTopImgList;
            
            NSInteger startIndex = 0;
            if (self.dataItem.isExistActivityBanner) startIndex ++;
            if (indexPath.row == startIndex) return kProCellTypeActivityBanner;
            
            startIndex ++;
            if (indexPath.row == startIndex) return kProCellTypeTitle;
            
            if ([self.dataItem.productInfo isHasAmazonScore]) startIndex ++;
            if (indexPath.row == startIndex) return kProCellTypeAmazonScore;
            
//            if (self.tagArray.count) startIndex ++;
//            if (indexPath.row == startIndex) return kProCellTypeTagList;
            
            startIndex++;
            if (indexPath.row == startIndex) return kProCellTypePriceDetail;
            
            startIndex++;
            if (indexPath.row == startIndex) return kProCellTypeWeight;
            
            if (self.showWeightDetail) startIndex++;
            if (indexPath.row == startIndex) return kProCellTypeWeightError;
            
            startIndex++;
            if (indexPath.row == startIndex) return kProCellTypeSelectSpec;
            
            if (self.dataItem.productInfo.isBCChannel) startIndex++;
            if (indexPath.row == startIndex) return kProCellTypeBCChannelFee;
            
        } else if (indexPath.section == 1) {
            if (indexPath.row < self.activityArray.count) return kProCellTypeActivityScroll;
            return kProCellTypeFeature;
        } else if (indexPath.section == 2) {
            return kProCellTypeSource;
        } else if (indexPath.section == 3) {
            if (indexPath.row == 0) return kProCellTypeSeek;
            if (indexPath.row == 1) return kProCellTypeAskAnswer;
        } else if (indexPath.section == 4 && addForBrand) {
            if (indexPath.row == 0) return kProCellTypeBrand;
            if (indexPath.row == 1) return kProCellTypeBrandList;
        } else if (indexPath.section == 4 + addForBrand) {
            return kProCellTypeAllLook;
        }
        
    } else if (tableType == kProTableTypeDown) {
        
        if (self.showWarn) {
            if (indexPath.row == 0) return kProCellTypeWarnHeader;
            
            if (indexPath.section == 2) {
                return kProCellTypeProcess;
            }
            return kProCellTypeWarnTitle;
        } else {
            
            NSInteger addRecommend = ([self.dataItem hasRecommend] ? 1 : 0);

            if (indexPath.section == 0 && addRecommend) {
                return kProCellTypeRecommend;
            } else if (indexPath.section == 0 + addRecommend) {
                return kProCellTypeInfo;
            } else if (indexPath.section == 1 + addRecommend) {
                return kProCellTypeProudctShow;
            } else if (indexPath.section == 2 + addRecommend) {
                return kProCellTypeRelative;
            }
        }
        
    }
    return kProCellTypeNone;
}

- (CGFloat)cellHeightForIndexPath:(NSIndexPath *)indexPath tableType:(kProTableType)tableType{
    
    kProCellType cellType = [self cellTypeForIndexPath:indexPath tableType:tableType];
    
    switch (cellType) {
        case kProCellTypeTopImgList:
            return [FKProBannerCell height];
        case kProCellTypeActivityBanner:
            return [FKProActivityBaseCell height];
        case kProCellTypeTitle:
            return [FKProTitleCell cellHeightForTitle:self.dataItem.productInfo.name];
        case kProCellTypeAmazonScore:
            return [FKProAmazonScoreCell height];
        case kProCellTypeTagList:
            return [FKProTagListCell cellHeightForTitleArray:self.tagArray];
        case kProCellTypePriceDetail:
            return [FKProPriceDetailCell cellHeight:[self priceDetailCellType]];
        case kProCellTypeWeight:
            return [FKProductWeightCell cellHeight];
        case kProCellTypeWeightError:
            return [FKProWeightErrorCell cellHeight];
        case kProCellTypeSelectSpec:
            return [FKProSpecResCell cellHeight];
        case kProCellTypeBCChannelFee:
            return [FKProBCChannelFeeCell cellHeight];
        case kProCellTypeActivityScroll:
            return [FKProActivityCell cellHeight];
        case kProCellTypeFeature:
            return [FKProFeatureCell cellHeight];
        case kProCellTypeSource:
            if (self.dataItem.supplier.postageRule.length > 0) {
                return 60;
            }
            return 44;
        case kProCellTypeSeek:
            return [FKProSeekCell cellHeight];
        case kProCellTypeAskAnswer:
            return [FKProAskAnswerCell cellHeight];
        case kProCellTypeBrand:
            return self.isBrandDescClose ? (77 + 35) : [FKProBrandCell cellHeightForContent:self.brandRecItem.brandInfo.desc];
        case kProCellTypeBrandList:
        case kProCellTypeAllLook:
            return [FKProRecommendListCell cellHeight];
        case kProCellTypeRecommend:
            return [FKProductRecommendCell cellHeightForTitleText:self.dataItem.recommendInfo.recommendTitle];
        case kProCellTypeInfo:
            return [FKProInfoCell heightForUpText:self.dataItem.productInfo.descChinese downText:self.dataItem.productInfo.descOrginal showTranslate:self.showTranslate];
        case kProCellTypeProudctShow:{
            ProductShowItem *showItem = [self.dataItem productShowItemForIndex:indexPath.row];
            return [PdProductShowCell cellHeightForText:showItem.describString withImgHeight:[showItem realImgSize].height];
        }
        case kProCellTypeRelative:
            return [FKProductRelativeCell cellHeight];
        case kProCellTypeWarnTitle:{
            NSString *title = [self.tipsItem buyWarnTitleForIndexPath:indexPath];
            BOOL isLast = [self.tipsItem isLastTitleForIndexPath:indexPath];
            return [FKProWarnTitleCell cellHeightForTitle:title lastRow:isLast];
        }
        case kProCellTypeWarnHeader:
            return [FKProWarnHeaderCell cellHeight];
        case kProCellTypeProcess:
            return [FKProProcessCell cellHeight];
        default:
            break;
    }
    return 0;
    
}

- (NSString *)cellIdentifyForIndexPath:(NSIndexPath *)indexPath tableType:(kProTableType)tableType{
    
    kProCellType cellType = [self cellTypeForIndexPath:indexPath tableType:tableType];
    
    switch (cellType) {
        case kProCellTypeTopImgList:
            return NSStringFromClass([FKProBannerCell class]);
        case kProCellTypeActivityBanner:{
            switch ([self.dataItem activityBannerType]) {
                case kActivityBannerTypeInProgress: {
                    return NSStringFromClass([FKProActivityInProgressCell class]);
                    break;
                }
                case kActivityBannerTypeForeshow: {
                    return NSStringFromClass([FKProActivityForeshowCell class]);
                    break;
                }
                case kActivityBannerTypeTheme: {
                    return NSStringFromClass([FKProActivityThemeCell class]);
                    break;
                }
                default:
                    break;
            }
        }
        case kProCellTypeTitle:
            return NSStringFromClass([FKProTitleCell class]);
        case kProCellTypeAmazonScore:
            return NSStringFromClass([FKProAmazonScoreCell class]);
        case kProCellTypeTagList:
            return NSStringFromClass([FKProTagListCell class]);
        case kProCellTypePriceDetail:
            return NSStringFromClass([FKProPriceDetailCell class]);
        case kProCellTypeWeight:
            return NSStringFromClass([FKProductWeightCell class]);
        case kProCellTypeWeightError:
            return NSStringFromClass([FKProWeightErrorCell class]);
        case kProCellTypeSelectSpec:
            return NSStringFromClass([FKProSpecResCell class]);
        case kProCellTypeBCChannelFee:
            return NSStringFromClass([FKProBCChannelFeeCell class]);
        case kProCellTypeActivityScroll:
            return NSStringFromClass([FKProActivityCell class]);
        case kProCellTypeFeature:
            return NSStringFromClass([FKProFeatureCell class]);
        case kProCellTypeSource:
            return NSStringFromClass([FKProSourceCell class]);
        case kProCellTypeSeek:
            return NSStringFromClass([FKProSeekCell class]);
        case kProCellTypeAskAnswer:
            return NSStringFromClass([FKProAskAnswerCell class]);
        case kProCellTypeBrand:
            return NSStringFromClass([FKProBrandCell class]);
        case kProCellTypeBrandList:
            return NSStringFromClass([FKProRecommendListCell class]);
        case kProCellTypeAllLook:
            return NSStringFromClass([FKProRecommendListCell class]);
        case kProCellTypeRecommend:
            return NSStringFromClass([FKProductRecommendCell class]);
        case kProCellTypeInfo:
            return NSStringFromClass([FKProInfoCell class]);
        case kProCellTypeProudctShow:
            return NSStringFromClass([PdProductShowCell class]);
        case kProCellTypeRelative:
            return NSStringFromClass([FKProductRelativeCell class]);
        case kProCellTypeWarnTitle:
            return NSStringFromClass([FKProWarnTitleCell class]);
        case kProCellTypeWarnHeader:
            return NSStringFromClass([FKProWarnHeaderCell class]);
        case kProCellTypeProcess:
            return NSStringFromClass([FKProProcessCell class]);
        default:
            break;
    }
    return @"";
}

- (NSDictionary *)infoForRequestType:(kProductReqType)type{
    
    if (!self.productID.length) return nil;
    
    switch (type) {
        case kProductReqTypeDetail:
        case kProductReqTypeRemoveCollect:
        case kProductReqTypeAllLookList:
            return @{PRODUCT_ID_KEY : self.productID};
        case kProductReqTypeAddCollect:
            return @{PRODUCT_ID_KEY : self.productID, PRODUCT_COLLECT_TYPE_KEY : @"10"};
        case kProductReqTypeBrandRecommend:
            return @{BRAND_ID_KEY : [FLStringHelper replaceNilWithEmpty:self.brandRecItem.brandInfo.itemID]};
        default:
            break;
    }
    return nil;
}

- (FKSubmitUnitItem *)createSubmitUnitItemWithProductItem:(FKProductItem *)productItem{
    
    FKSubmitUnitItem *unitItem = [[FKSubmitUnitItem alloc]init];
    unitItem.supplierID = self.dataItem.supplier.supplyID;
    unitItem.shipChannelId = self.dataItem.supplier.channelID;
    unitItem.postageRule = self.dataItem.supplier.postageRule;
    unitItem.countryInfoItem = self.dataItem.countryInfoItem;
    unitItem.shippingType = self.dataItem.supplier.shipType;
    unitItem.supplyName = self.dataItem.supplier.name;
    unitItem.type = self.dataItem.supplier.type;
    
    FKSubmitProductItem *submitProItem = [self convertProductItemToSubmit:productItem];
    submitProItem.payTaxFee = self.dataItem.productInfo.isBCChannel;
    unitItem.productItemArray = @[submitProItem];
    
    return unitItem;
}
- (FKSubmitProductItem *)convertProductItemToSubmit:(FKProductItem *)productItem{
    
    FKSubmitProductItem *submitProItem = [[FKSubmitProductItem alloc]init];
    submitProItem.goodsID = productItem.goodsID;
    submitProItem.title = self.dataItem.productInfo.name;
    submitProItem.picUrl = productItem.picUrl;
    submitProItem.price  = productItem.price;
    //    submitProItem.specName = productItem.fullSpecName;
    submitProItem.specName = productItem.title; // title是规格名称
    submitProItem.quality = productItem.selectedAmount;
    submitProItem.sellSide = productItem.sellSide;
    return submitProItem;
}

- (NSArray *)specImgArrayForProductArray:(NSArray *)productItemArray{
    
    if (productItemArray.count <= 0) return nil;
    
    NSMutableArray *arrayM = [NSMutableArray arrayWithCapacity:productItemArray.count];
    for (FKProductItem *item in productItemArray) {
        if ([FLStringHelper isValidString:item.picUrl]) {
            [arrayM addObject:item.picUrl];
        }
    }
    
    NSSet *set = [NSSet setWithArray:arrayM];
    NSArray *filters = @[[[NSSortDescriptor alloc] initWithKey:nil ascending:YES]];
    NSArray *filtedArray = [set sortedArrayUsingDescriptors:filters];
    
    if (filtedArray.count) {
        if (filtedArray.count > 5) return [filtedArray subarrayWithRange:NSMakeRange(0, 5)];
        return filtedArray;
    }
    return nil;
}

- (void)setSelectProductItemWithProductArray:(NSArray *)productItemArray{
    
    NSMutableArray *validArray = [NSMutableArray arrayWithCapacity:productItemArray.count];
    
    for (FKProductItem *item in productItemArray) {
        if ([item.stock isKindOfClass:[NSString class]] && item.stock.integerValue <= 0) continue;
        if (!item.isOnline) continue;
        [validArray addObject:item];
    }
    
    if (!self.selectBuyItem) {
        self.selectBuyItem = [self getProductItemForSelectId:validArray];
        self.selectBuyItem.selectedAmount = 1;
    }
    
    if (!self.selectBuyItem) {
        self.selectBuyItem = [self getCheapestItemWithProductArray:validArray];
        self.selectBuyItem.selectedAmount = 1;
    }
    
    // 降价提醒不用过滤库存和下线
    if (!self.selectPriceWarnItem) {
        self.selectPriceWarnItem = [self getProductItemForSelectId:productItemArray];
    }
    
    if (!self.selectPriceWarnItem) {
        self.selectPriceWarnItem = [self getCheapestItemWithProductArray:productItemArray];
    }
}

- (FKProductItem *)getProductItemForSelectId:(NSArray *)productItemArray{
    if (productItemArray.count && self.selectSpecId) {
        for (FKProductItem *item in productItemArray) {
            if ([item.goodsID isEqualToString:self.selectSpecId]) {
                return item;
            }
        }
    }
    return nil;
}

- (FKProductItem *)getCheapestItemWithProductArray:(NSArray *)productItemArray{
    FKProductItem *targetItem = nil;
    for (FKProductItem *productItem in productItemArray) {
        if (!targetItem) {
            targetItem = productItem;
        } else{
            if (targetItem.price.integerValue > productItem.price.integerValue) {
                targetItem = productItem;
            }
        }
    }
    return targetItem;
}

- (void)checkSpecImgArray{
//    NSString *firstPic = self.dataItem.productInfo.firstPicUrl;
//    if (!self.specPicArray.count && firstPic) {
//        // 规格图为空，用主图
//        self.specPicArray = @[firstPic];
//    }
}

- (BOOL)isHasShowIDCardAlert {
    NSString *ret = [[UserDefaultManager sharedManager] getUserDefaultObject:ID_CARD_ALERT_SHOW_KEY];
    if (ret && [ret isEqualToString:@"1"]) {
        return YES;
    }
    return NO;
}

- (void)setHasShowIDCardAlert {
    [[UserDefaultManager sharedManager] setUserDefaultObject:@"1" key:ID_CARD_ALERT_SHOW_KEY];
}

- (void)appendMoreRelativePro:(NSArray *)array{
    if (array.count == 0) return;
    
    NSMutableArray *arrayM = [NSMutableArray arrayWithArray:self.relativeProArray];
    [arrayM addObjectsFromArray:array];
    
    self.relativeProArray = arrayM;
}

- (FKProductRelativeItem *)relativeItemAtIndex:(NSUInteger)index{
    if (index < self.relativeProArray.count){
        return self.relativeProArray[index];
    }
    return nil;
}

- (void)configWithSizeImgView:(UIImageView *)sizeImgView{
    
    ProductShowItem *sizeItem = [self.dataItem getSizePicItem];
    
    sizeImgView.backgroundColor = [UIColor whiteColor];
    sizeImgView.contentMode = UIViewContentModeScaleAspectFit;
    sizeImgView.frame = CGRectMake(0, 0, UISCREENWIDTH, [sizeItem realImgHeightForRealWidth:[sizeItem realImgSize].width]);
    [sizeImgView setImageWithURL:sizeItem.imageUrl cdnWidth:UISCREENWIDTH];
}

- (FKPromotionActivityItem *)activityItemAtIndex:(NSInteger)index{
    if (index >= 0 && index < self.activityArray.count) {
        return self.activityArray[index];
    }
    return nil;
}

- (NSString *)warnHeaderTitleForSection:(NSInteger)section{
    if (section == 0) return @"买前必看";
    if (section == 1) return @"注意事项";
    if (section == 2) return @"购物流程";
    return nil;
}

- (FKProRecommendItem *)allLookItemAtIndex:(NSInteger)index{
    if (index >= 0 && index < self.allLookItem.productList.count) {
        return self.allLookItem.productList[index];
    }
    return nil;
}

#pragma mark - Method

- (FKProPriceDetailCellType)priceDetailCellType {
    NSString *desc = self.selectBuyItem.activityDesc;
//    NSString *price = self.selectBuyItem.activityPrice;
    
    if (desc.length > 0 /*&& price.length > 0*/) {
        if ([self.dataItem activityBannerType] == kActivityBannerTypeForeshow) {
            return FKProPriceDetailCellTypeForeshow;
        }
        if ([self.dataItem activityBannerType] == kActivityBannerTypeInProgress) {
            return FKProPriceDetailCellTypeInProgress;
        }
    }
    return FKProPriceDetailCellTypeNone;
}

#pragma mark - Brand Cell

- (FKProRecommendItem *)brandRecItemAtIndex:(NSInteger)index{
    if (index >= 0 && index < self.brandRecItem.brandRecList.count) {
        return self.brandRecItem.brandRecList[index];
    }
    return nil;
}

- (BOOL)isNeedShowWeightDetailDefault {
    NSString *hasShown = [[UserDefaultManager sharedManager] getUserDefaultObject:SHOW_WEIGHT_DETAIL_KEY];
    if (hasShown && [hasShown isEqualToString:@"1"]) {
        return NO;
    }
    return YES;
}

- (void)setNotShowWeightDetailDefault {
    [[UserDefaultManager sharedManager] setUserDefaultObject:@"1" key:SHOW_WEIGHT_DETAIL_KEY];
}

@end