duoshoubang/FirstLink/Compoments/首页模块/推荐首页/ViewModel/FKRecommendV...

//
//  FKRecommendViewModel.m
//  FirstLink
//
//  Created by jack on 15/11/30.
//  Copyright © 2015年 FirstLink. All rights reserved.
//

#import "FKRecommendViewModel.h"

#import "FKAdvertiseViewCell.h"
#import "FKRecoIconListCell.h"
#import "FKRecoNewsCell.h"
#import "FKRecoLimitBuyCell.h"
#import "FKRecoPromotionLimitCell.h"
#import "FKRecoPromotionCategoryCell.h"
#import "FKRecoOfficalActivityCell.h"
#import "FKRecoBrandListCell.h"
#import "FKExploreTableViewCell.h"
#import "FKRecoUserRecoProductCell.h"
#import "FKRecoScanRecoProductCell.h"
#import "FKRecoHotProductCell.h"
#import "FKHotProductItem.h"

#import "UserDefaultManager.h"

static NSString *REC_TARGET_URL_TAG_KEY = @"REC_TARGET_URL_TAG_KEY";

@interface FKRecommendViewModel ()

@property (nonatomic, strong) NSMutableDictionary *sectionTypeDict;

@end

@implementation FKRecommendViewModel

#pragma mark - API

- (NSUInteger)numberOfSections {
    [self.sectionTypeDict removeAllObjects];
    
    // 广告，运营图，icon必定存在一个
    NSUInteger count = 0;
    [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeAdvertise] forKey:[NSString stringWithFormat:@"%lu", count++]];
    
//    if (self.limitBuyArea.dataArray.count > 0) {
//        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeLimitBuy] forKey:[NSString stringWithFormat:@"%lu", count++]];
//    }
    if ((self.flashSaleItem && self.haoHuoItem) || self.operActivityArray.count > 0) {
        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypePromotion] forKey:[NSString stringWithFormat:@"%lu", count++]];
    }
    if (self.officalActivityArea.dataArray.count > 0) {
        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeOfficalActivity] forKey:[NSString stringWithFormat:@"%lu", count++]];
    }
    if (self.brandRecommendArea.dataArray.count > 0) {
        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeBrandReco] forKey:[NSString stringWithFormat:@"%lu", count++]];
    }
    if (self.operationActivityArea.dataArray.count > 0) {
        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeOperationActivity] forKey:[NSString stringWithFormat:@"%lu", count++]];
    }
    if (self.userRecoArea.dataArray.count > 0) {
        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeUserReco] forKey:[NSString stringWithFormat:@"%lu", count++]];
    }
    if (self.scanRecoArea.dataArray.count > 0) {
        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeScanReco] forKey:[NSString stringWithFormat:@"%lu", count++]];
    }
    if (self.hotProductArea.dataArray.count > 0) {
        [self.sectionTypeDict setValue:[NSNumber numberWithInteger:kRecoSectionTypeHotProduct] forKey:[NSString stringWithFormat:@"%lu", count++]];
    }
    return count;
}

- (NSUInteger)numberOfRowsInSection:(NSInteger)section {
    kRecoSectionType sectionType = [self sectionTypeForSection:section];
    
    if (sectionType == kRecoSectionTypeAdvertise) {
        return (self.advertiseItems.count > 0) + ([FLStringHelper isValidString:self.operationItem.picUrl]) + (self.iconListArray.count > 0) + (self.recoNewsItem != nil);
    } else if (sectionType == kRecoSectionTypePromotion) {
        NSInteger count = 0;
        if (self.flashSaleItem && self.haoHuoItem) {
            count++;
        }
        if (self.operActivityArray.count > 0) {
            count++;
        }
        return count;
    } else if (sectionType == kRecoSectionTypeOfficalActivity){
        return (self.officalActivityArea.dataArray.count/2 + 1);
    } else if (sectionType == kRecoSectionTypeBrandReco){
        return (1 + 1);
    } else if (sectionType == kRecoSectionTypeOperationActivity) {
        return (self.operationActivityArea.dataArray.count + 1);
    } else if (sectionType == kRecoSectionTypeUserReco) {
        return (1 + 1);
    } else if (sectionType == kRecoSectionTypeScanReco) {
        return (self.scanRecoArea.dataArray.count + 1);
    } else if (sectionType == kRecoSectionTypeHotProduct) {
        return (self.hotProductArea.dataArray.count + 1);
    }
    return 0;
}

- (CGFloat)heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    kRecoCellType cellType = [self cellTypeForIndexPath:indexPath];
    
    switch (cellType) {
        case kRecoCellTypeAdvertise:
            return [FKAdvertiseViewCell height];
        case kRecoCellTypeOperationImage:
            return ceil(UISCREENWIDTH * 20.0f / 75.0f);
        case kRecoCellTypeIconList:
            return [FKRecoIconListCell heightWithIconCount:self.iconListArray.count];
        case kRecoCellTypeRecoNews:
            return [FKRecoNewsCell height];
        case kRecoCellTypeHeader: {
            return 35;
        }
        case kRecoCellTypeLimitBuy:
            return [FKRecoLimitBuyCell height:self.limitBuyArea.dataArray.count];
        case kRecoCellTypPromotionLimit: {
            return [FKRecoPromotionLimitCell height];
        }
        case kRecoCellTypPromotionCategory: {
            return [FKRecoPromotionCategoryCell height];
        }
        case kRecoCellTypeOfficalActivity: {
            NSInteger lastRowIndex = ([self numberOfRowsInSection:indexPath.section] - 1);
            CGFloat offset = (indexPath.row == lastRowIndex ? 10 : 0);
            return ([FKRecoOfficalActivityCell height] + offset);
        }
        case kRecoCellTypeBrandReco: {
            return ([FKRecoBrandListCell height]* [FKRecoBrandListCell rowsWithBrandCount:self.brandRecommendArea.dataArray.count] + 15);
            break;
        }
        case kRecoCellTypeOperationActivity: {
            return [FKExploreTableViewCell height];
        }
        case kRecoCellTypeScanRecoProduct: {
            return [FKRecoScanRecoProductCell height];
            break;
        }
        case kRecoCellTypeUserRecoProduct: {
            return [FKRecoUserRecoProductCell height];
            break;
        }
        case kRecoCellTypeHotProduct:
            return [FKRecoHotProductCell height];
        default:
            break;
    }
    return 0;
}

















// 第6， 16， 26行插入一条品牌推荐
- (NSInteger)brandCountWithRows:(NSInteger)rows {
    if (rows < 5) {
        return 0;
    }
    rows -= 5;
    NSInteger brandCount = 1;
    
    return (brandCount + rows/9);
}


#pragma mark - Method

- (kRecoSectionType)sectionTypeForSection:(NSInteger)section {
    NSNumber *value = self.sectionTypeDict[[NSString stringWithFormat:@"%lu", section]];
    if (value) {
        return (kRecoSectionType)(value.integerValue);
    }
    return kRecoSectionTypeNone;
}

- (kRecoCellType)cellTypeForIndexPath:(NSIndexPath *)indexPath{
    kRecoSectionType sectionType = [self sectionTypeForSection:indexPath.section];
    
    if (sectionType == kRecoSectionTypeAdvertise) {
        NSInteger startIndex = -1;
        if (self.advertiseItems.count > 0) startIndex++;
        if (indexPath.row == startIndex) return kRecoCellTypeAdvertise;
        
        if ([FLStringHelper isValidString:self.operationItem.picUrl]) startIndex++;
        if (indexPath.row == startIndex) return kRecoCellTypeOperationImage;
        
        if (self.iconListArray.count > 0) startIndex++;
        if (indexPath.row == startIndex) return kRecoCellTypeIconList;
        
        if (self.recoNewsItem != nil) startIndex++;
        if (indexPath.row == startIndex) return kRecoCellTypeRecoNews;
        
    } else if (sectionType == kRecoSectionTypePromotion) {
        if (indexPath.row == 0 && (self.flashSaleItem && self.haoHuoItem)) {
            return kRecoCellTypPromotionLimit;
        }
        return  kRecoCellTypPromotionCategory;
    } else if (sectionType == kRecoSectionTypeOfficalActivity) {
        return (indexPath.row == 0 ? kRecoCellTypeHeader : kRecoCellTypeOfficalActivity);
    } else if (sectionType == kRecoSectionTypeBrandReco) {
        return (indexPath.row == 0 ? kRecoCellTypeHeader : kRecoCellTypeBrandReco);
    } else if (sectionType == kRecoSectionTypeOperationActivity) {
        return (indexPath.row == 0 ? kRecoCellTypeHeader : kRecoCellTypeOperationActivity);
    } else if (sectionType == kRecoSectionTypeUserReco) {
        return (indexPath.row == 0 ? kRecoCellTypeHeader : kRecoCellTypeUserRecoProduct);
    } else if (sectionType == kRecoSectionTypeScanReco) {
        return (indexPath.row == 0 ? kRecoCellTypeHeader : kRecoCellTypeScanRecoProduct);
    } else if (sectionType == kRecoSectionTypeHotProduct) {
        return (indexPath.row == 0 ? kRecoCellTypeHeader : kRecoCellTypeHotProduct);
    }
    
    return kRecoCellTypeUnknow;
}

- (BOOL)needShowScoreMsgWithServeTime:(NSString *)serveTime{
    
    NSString *lastTime = [[UserDefaultManager sharedManager] getUserDefaultObject:LAST_SHOW_SCORE_MESSAGE_TIME];
    
    if (serveTime.length == 0) return NO;
    if (lastTime.length == 0) return YES;
    
    NSDate *lastDate = [FLStringHelper convertToShortDateFromString:lastTime];
    NSDate *nowDate = [FLStringHelper convertToShortDateFromString:serveTime];
    
    NSTimeInterval interval = [nowDate timeIntervalSinceDate:lastDate];
    if (interval > 0) {
        return YES;
    }
    
    return NO;
}

- (BOOL)needShowMsgWithServeTime:(NSString *)serveTime key:(NSString *)key{

    NSString *lastTime = [[UserDefaultManager sharedManager] getUserDefaultObject:key];
    
    if (serveTime.length == 0) return NO;
    if (lastTime.length == 0) return YES;
    
    NSDate *lastDate = [FLStringHelper convertToShortDateFromString:lastTime];
    NSDate *nowDate = [FLStringHelper convertToShortDateFromString:serveTime];
    NSTimeInterval interval = [nowDate timeIntervalSinceDate:lastDate];
    
    if (interval > 0) {
        return YES;
    }
    
    return NO;
}

- (void)didShowMsgWithServeTime:(NSString *)serveTime key:(NSString *)key{
    if (serveTime){
        [[UserDefaultManager sharedManager] setUserDefaultObject:serveTime
                                                             key:key];
    }
}

- (CGFloat)headerHeightForSection:(NSInteger)section{
    return CGFLOAT_MIN;
}

- (FKAdvertiseItem*)advertiseItemAtIndex:(NSUInteger)index{
    if (index < self.advertiseItems.count) {
        return self.advertiseItems[index];
    }
    
    return nil;
}

- (FKIconItem *)iconItemAtIndex:(NSUInteger)index{
    if (index < self.iconListArray.count) {
        return self.iconListArray[index];
    }
    return nil;
}

- (FKLimitBuyItem *)limitBuyItemAtIndex:(NSUInteger)index {
    if (index < self.limitBuyArea.dataArray.count) {
        return self.limitBuyArea.dataArray[index];
    }
    return nil;
}

- (FKActivityItem *)officalActivityItemAtIndex:(NSUInteger)index {
    if (index < self.officalActivityArea.dataArray.count) {
        return self.officalActivityArea.dataArray[index];
    }
    return nil;
}

- (FKRecoBrandItem *)recoBrandItemAtIndex:(NSUInteger)index {
    if (index < self.brandRecommendArea.dataArray.count) {
        return self.brandRecommendArea.dataArray[index];
    }
    return nil;
}

- (FKActivityItem *)operationActivityItemAtIndex:(NSUInteger)index {
    if (index < self.operationActivityArea.dataArray.count) {
        return self.operationActivityArea.dataArray[index];
    }
    return nil;
}

- (FKHotProductItem *)hotProductItemAtIndex:(NSUInteger)index {
    if (index < self.hotProductArea.dataArray.count) {
        return self.hotProductArea.dataArray[index];
    }
    return nil;
}

- (FKHotProductItem *)recommendItemAtIndex:(NSUInteger)index{
    if (index < self.hotProductArea.dataArray.count) {
        return self.hotProductArea.dataArray[index];
    }
    return nil;
}

- (NSURL*)adUrlForIndex:(NSUInteger)index {
    
    FKAdvertiseItem *item = [self advertiseItemAtIndex:index];
    if (item) {
        NSString *url = [NSString stringWithFormat:@"%@%@", item.photoURL,
                         [FLStringHelper cdnParamaterString:(int)UISCREENWIDTH
                                                     height:ADSCROLLVIEW_HEIGHT]];
        return [NSURL URLWithString:url];
    }
    return nil;
}

- (NSArray *)advertiseUrlArray{
    if (_advertiseUrlArray == nil) {
        NSMutableArray *arrayM = [NSMutableArray arrayWithCapacity:self.advertiseItems.count];
        for (FKAdvertiseItem *item in self.advertiseItems) {
            NSString *url = [NSString stringWithFormat:@"%@%@", item.photoURL,
                             [FLStringHelper cdnParamaterString:(int)UISCREENWIDTH
                                                         height:ADSCROLLVIEW_HEIGHT]];
            [arrayM addObject:url];
        }
        return arrayM;
    }
    return nil;
}

- (BOOL)isNeedReloadAdvForOldUrls:(NSArray *)oldUrls {
    NSArray *currendUrls = self.advertiseUrlArray;
    
    if (currendUrls.count != oldUrls.count) {
        return YES;
    }
    
    NSString *curUrl;
    NSString *oldUrl;
    for (int idx = 0; idx < MIN(currendUrls.count, oldUrls.count); idx++) {
        curUrl = currendUrls[idx];
        oldUrl = oldUrls[idx];
        
        if (![curUrl isEqualToString:oldUrl]) {
            return YES;
        }
    }
    return NO;
}

- (NSUInteger)getAllRecommendItemCount{
    return self.hotProductArea.dataArray.count;
}

- (BOOL)allEmpty{
    if (!self.advertiseItems.count &&
        !self.limitBuyArea.dataArray.count &&
        !self.hotProductArea.dataArray.count) {
        
        return YES;
    }
    return NO;
}

- (BOOL)needShowNewTagAtIndex:(NSInteger)index {
    FKIconItem *item = [self iconItemAtIndex:index];
    if (![FLStringHelper isValidString:item.targetUrl]) return NO;
    
    NSString *lastTarget = [[NSUserDefaults standardUserDefaults] stringForKey:REC_TARGET_URL_TAG_KEY];
    if (!lastTarget) return YES;
    
    if ([lastTarget isEqualToString:item.targetUrl]){
        return NO;
    }else{
        return YES;
    }
}

- (void)didClickNewTagAtIndex:(NSInteger)index {
    FKIconItem *item = [self iconItemAtIndex:index];
    if (![FLStringHelper isValidString:item.targetUrl]) return;
    
    if ([item.mark isEqualToString:@"1"]) {
        [[NSUserDefaults standardUserDefaults] setObject:item.targetUrl forKey:REC_TARGET_URL_TAG_KEY];
        [[NSUserDefaults standardUserDefaults] synchronize];
    }
}

- (NSInteger)limitBuyMaxRemaindTime {
    NSInteger maxRemaindTime = 0;
    for (FKLimitBuyItem *item in self.limitBuyArea.dataArray) {
        maxRemaindTime = MAX(maxRemaindTime, item.remaindTime);
    }
    return maxRemaindTime;
}

- (NSAttributedString *)limitBuyMaxRemaindTimeAttributedString {
    NSString *timeString = [FLStringHelper convertTimeIntervalToHourCountStringStyleColon:([self limitBuyMaxRemaindTime] - self.elapseSecond)];
    NSString *allStirng = [NSString stringWithFormat:@"距本场结束: %@", timeString];
    NSMutableAttributedString *mutableString = [[NSMutableAttributedString alloc] initWithString:allStirng];
    [mutableString addAttribute:NSForegroundColorAttributeName
                          value:UIColorFromRGB(0xff624a)
                          range:NSMakeRange(allStirng.length - timeString.length, timeString.length)];
    [mutableString addAttribute:NSFontAttributeName
                          value:[UIFont boldSystemFontOfSize:13]
                          range:NSMakeRange(allStirng.length - timeString.length, timeString.length)];
    return mutableString;
}

- (void)setContentOffset:(CGFloat)offsetX forKey:(NSInteger)key {
    if (!_contensOffsetDict) {
        _contensOffsetDict = [NSMutableDictionary dictionary];
    }
    
    NSNumber *number = [NSNumber numberWithFloat:offsetX];
    NSString *keySring = [NSString stringWithFormat:@"%ld",(long)key];
    [self.contensOffsetDict setValue:number forKey:keySring];
}

- (CGFloat)contentOffsetForKey:(NSInteger)key {
    NSString *keySring = [NSString stringWithFormat:@"%ld",(long)key];
    NSNumber *value = [self.contensOffsetDict valueForKey:keySring];
    if ([value isKindOfClass:[NSNumber class]]) {
        return value.floatValue;
    }
    return 0;
}

#pragma mark - Property

- (NSMutableDictionary *)sectionTypeDict {
    if (!_sectionTypeDict) {
        _sectionTypeDict = [NSMutableDictionary dictionary];
    }
    return _sectionTypeDict;
}

@end