//
//  frontPageCollectionController.m
//  ThePaperHD
//
//  Created by scar1900 on 15/1/5.
//  Copyright (c) 2015年 scar1900. All rights reserved.
//

#import "frontPageCollectionController.h"
#import "paperCollectCell.h"
#import "hotAnswerCell.h"
#import "loginCollectCell.h"
#import "orderController.h"
#import "topicListCell.h"

typedef enum {
    RefreshStatePulling = 1, // 松开就可以进行刷新的状态
    RefreshStateNormal = 2, // 普通状态
    RefreshStateRefreshing = 3, // 正在刷新中的状态
    RefreshStateCancel = 4,
    RefreshStateSucess = 5,
} RefreshState;

@interface leftRefreshView : UIView
@property(nonatomic, strong)UILabel *textLabel;
@property(nonatomic, assign)RefreshState state;
@end
@implementation leftRefreshView
@synthesize state = _state;

- (id)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        [self addSubview:self.textLabel];
        self.state = RefreshStateNormal;
        self.backgroundColor = [UIColor clearColor];
    }
    return self;
}

- (UILabel*)textLabel {
    if (!_textLabel) {
        _textLabel = [[UILabel alloc]initWithFrame:CGRectZero];
        _textLabel.font = appFont(15, NO);
        _textLabel.textAlignment = NSTextAlignmentRight;
        _textLabel.backgroundColor = [UIColor clearColor];
    }
    _textLabel.textColor = [UIColor colorWithHexString:TextBlack];
    return _textLabel;
}
- (void)setState:(RefreshState)sta {
    if (_state == sta) return;
    
    _state = sta;
    if (sta == RefreshStateNormal) {
        self.textLabel.text = @"左拉刷新";
    }else if (sta == RefreshStatePulling) {
        self.textLabel.text = @"松开刷新";
    }else if (sta == RefreshStateRefreshing) {
        self.textLabel.text = @"正在刷新";
    }else if (sta == RefreshStateCancel) {
        self.state = RefreshStateNormal;
    }else if (sta == RefreshStateSucess) {
        self.state = RefreshStateNormal;
    }
}

- (void)layoutSubviews {
    [super layoutSubviews];
    self.textLabel.frame = CGRectMake(0, 230/2-40, CGRectGetWidth(self.bounds), 40);
}

@end

@interface frontpageCollectViewMoreCell : UICollectionViewCell
@property(nonatomic, strong)UILabel *textLabel;
@property(nonatomic, strong)UIView *roundView;
@end

@implementation frontpageCollectViewMoreCell

- (id)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        self.backgroundColor = [UIColor clearColor];
        [self addSubview:self.roundView];
        [self.roundView addSubview:self.textLabel];
    }
    return self;
}

- (UIView*)roundView {
    if (!_roundView) {
        _roundView = [[UIView alloc]initWithFrame:CGRectZero];
        _roundView.backgroundColor = [UIColor colorWithHexString:BUTTONDISABLEBACK];
        _roundView.layer.cornerRadius = 25;
    }
    return _roundView;
}

- (UILabel*)textLabel {
    if (!_textLabel) {
        _textLabel = [[UILabel alloc]initWithFrame:CGRectZero];
        _textLabel.font = appFont(11, NO);
        _textLabel.textColor = [UIColor whiteColor];
        _textLabel.textAlignment = NSTextAlignmentCenter;
        _textLabel.lineBreakMode = NSLineBreakByCharWrapping;
        _textLabel.numberOfLines = 0;
        _textLabel.backgroundColor = [UIColor clearColor];
    }
    return _textLabel;
}

- (void)setHighlighted:(BOOL)highlighted {
    [super setHighlighted:highlighted];
    if (highlighted) {
        self.textLabel.textColor = [UIColor colorWithHexString:BUTTONSELECTBACK];
    }else self.textLabel.textColor = [UIColor whiteColor];
}

- (void)layoutSubviews {
    [super layoutSubviews];
    self.roundView.frame = CGRectMake(0, CGRectGetHeight(self.bounds)/2-25, 50, 50);
    self.textLabel.frame = CGRectMake(CGRectGetWidth(self.roundView.bounds)/2-15,
                                      CGRectGetHeight(self.roundView.bounds)/2-15,
                                      30,
                                      30);
}


@end

@interface frontPageCollectionController ()<paperCollectDelegate,RemoteDelegate,hotAnswerCellDelegate> {

}
@property(nonatomic, strong)leftRefreshView *refreshView;
@end

@implementation frontPageCollectionController
@synthesize dataList = _dataList;
@synthesize delegate;
@synthesize nodeId = _nodeId;

static NSString * const paperCollectReuseIdentifier = @"frontPageCollectItem";
static NSString * const askMoreReuseIdentifier = @"askMoreItem";
static NSString * const hotAnswerCellReuseIdentifier = @"hotAnswerItem";
static NSString * const topicListCellReuseIdentifier = @"topicListItem";
static NSString * const loginCellReuseIdentifier = @"loginItem";

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.clipsToBounds = NO;
    
    // Uncomment the following line to preserve selection between presentations
    // self.clearsSelectionOnViewWillAppear = NO;
    
    // Register cell classes3
    [self.collectionView registerClass:[paperCollectCell class] forCellWithReuseIdentifier:paperCollectReuseIdentifier];
    [self.collectionView registerClass:[frontpageCollectViewMoreCell class] forCellWithReuseIdentifier:askMoreReuseIdentifier];
    [self.collectionView registerClass:[hotAnswerCell class] forCellWithReuseIdentifier:hotAnswerCellReuseIdentifier];
    [self.collectionView registerClass:[topicListCell class] forCellWithReuseIdentifier:topicListCellReuseIdentifier];
    [self.collectionView registerClass:[loginCollectCell class] forCellWithReuseIdentifier:loginCellReuseIdentifier];

    self.collectionView.allowsSelection = YES;
    self.collectionView.scrollEnabled = YES;
    self.collectionView.showsHorizontalScrollIndicator= NO;
    self.collectionView.backgroundColor = [UIColor clearColor];
    self.collectionView.alwaysBounceHorizontal = YES;
    
    [self.collectionView addSubview:self.refreshView];
    [self addObserver:self forKeyPath:@"self.collectionView.contentOffset" options:NSKeyValueObservingOptionNew context:nil];
    // Do any additional setup after loading the view.
}

- (leftRefreshView*)refreshView {
    if (!_refreshView) {
        _refreshView = [[leftRefreshView alloc]initWithFrame:CGRectMake(-180, 0, 150, CGRectGetHeight(self.view.bounds))];
    }
    return _refreshView;
}

- (void)setDataList:(NSMutableArray *)list {
    if ([self.nodeId intValue] == -1 && ![TPUserDefault instance].userBO) {
        _dataList = [NSMutableArray array];
        [_dataList addObject:@"login"];
        [self.collectionView reloadData];
        [self.collectionView setContentOffset:CGPointZero animated:NO];
        self.collectionView.scrollEnabled = NO;
        return;
    }else if ([self.nodeId intValue] == -1 && [TPUserDefault instance].userBO && list.count == 0) {
        [list addObject:@"subscribe"];

        _dataList = list;
        [self.collectionView reloadData];
        [self.collectionView setContentOffset:CGPointZero animated:NO];
        self.collectionView.scrollEnabled = YES;
        return;
    }
    [list addObject:@"more"];
    _dataList = list;
    self.collectionView.scrollEnabled = YES;
    [self.collectionView reloadData];
    [self.collectionView setContentOffset:CGPointZero animated:NO];
}

- (void)setNodeId:(NSString *)nodeIdStr {
    _nodeId = nodeIdStr;
}

- (void)endLeftRfresh:(void (^)(void))completion  {
    self.refreshView.state = RefreshStateSucess;
    [UIView animateWithDuration:0.25 animations:^{
        self.collectionView.contentInset = UIEdgeInsetsMake(0, 0, 0, 0);
    }completion:^(BOOL finished) {
        if (completion) {
            completion();
        }
    }];
}

- (void)startLeftRfresh {
    if (self.refreshView.state == RefreshStateRefreshing) {
        return;
    }
    if ([self.delegate respondsToSelector:@selector(startCollectRfresh)]) {
        [self.delegate startCollectRfresh];
    }
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


#pragma mark <UICollectionViewDataSource>

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}


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

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    id data = self.dataList[indexPath.row];
    if ([data isKindOfClass:[NSString class]]) {
        if ([data isEqualToString:@"more"]) {
            return [self getAskMoreCell:collectionView cellForItemAtIndexPath:indexPath];
        }else if ([data isEqualToString:@"subscribe"]) {
            return [self getLoginCell:collectionView cellForItemAtIndexPath:indexPath];
        }else {
            return [self getLoginCell:collectionView cellForItemAtIndexPath:indexPath];
        }
    }else if ([data isKindOfClass:[listContObjectVO class]]){
        return [self getCollectCell:collectionView cellForItemAtIndexPath:indexPath];
    }else if ([data isKindOfClass:[commentObjectVO class]]) {
        return [self getHotAnswerCell:collectionView cellForItemAtIndexPath:indexPath];
    }else {
        return [self getTopicListCell:collectionView cellForItemAtIndexPath:indexPath];
    }
}

- (paperCollectCell *)getCollectCell:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    paperCollectCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:paperCollectReuseIdentifier forIndexPath:indexPath];
    id data = self.dataList[indexPath.row];
    cell.listContentBO = data;
    cell.delegate = self;
    return cell;
}

- (hotAnswerCell*)getHotAnswerCell:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    hotAnswerCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:hotAnswerCellReuseIdentifier forIndexPath:indexPath];
    id data = self.dataList[indexPath.row];
    cell.commentBO = data;
    cell.delegate = self;
    cell.indexPath = indexPath;
    return cell;
}

- (topicListCell*)getTopicListCell:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    topicListCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:topicListCellReuseIdentifier forIndexPath:indexPath];
    id data = self.dataList[indexPath.row];
    cell.topicBO = data;
    return cell;
}

- (frontpageCollectViewMoreCell *)getAskMoreCell:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    frontpageCollectViewMoreCell *cell = (frontpageCollectViewMoreCell*)[collectionView dequeueReusableCellWithReuseIdentifier:askMoreReuseIdentifier forIndexPath:indexPath];
    
    cell.textLabel.text = @"查看更多";
    return cell;
}

- (loginCollectCell *)getLoginCell:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    loginCollectCell *cell = (loginCollectCell*)[collectionView dequeueReusableCellWithReuseIdentifier:loginCellReuseIdentifier forIndexPath:indexPath];
    id data = self.dataList[indexPath.row];
    if ([data isEqualToString:@"subscribe"]) {
        cell.isLogin = NO;
    }else cell.isLogin = YES;
    return cell;
}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    id data = self.dataList[indexPath.row];
    if ([data isKindOfClass:[NSString class]] && [data isEqualToString:@"more"]) {
        return CGSizeMake(50, CGRectGetHeight(self.view.bounds));
    }else {
        return CGSizeMake(300, CGRectGetHeight(self.view.bounds));
    }
}

-(UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
{
    UIEdgeInsets top = {0,10,0,10};
    return top;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    [[UIApplication sharedApplication] beginIgnoringInteractionEvents];
    id data = self.dataList[indexPath.row];
    if ([data isKindOfClass:[NSString class]] ) {
        if ( [data isEqualToString:@"more"]) {
            if ([self.delegate respondsToSelector:@selector(goToMoreInfoPage:)]) {
                [self.delegate goToMoreInfoPage:data];
            }
            [[UIApplication sharedApplication] endIgnoringInteractionEvents];
        }else {
            if ([data isEqualToString:@"login"]) {
                loginCollectCell *cell = (loginCollectCell*)[collectionView cellForItemAtIndexPath:indexPath];
                
                if (ISNotRETINA) {
                    if ([self.delegate respondsToSelector:@selector(needLogin)]) {
                        [self.delegate needLogin];
                    }
                    [[UIApplication sharedApplication] endIgnoringInteractionEvents];
                }else {
                    [UIView animateWithDuration:0.25 animations:^{
                        cell.transform = CGAffineTransformMakeScale(0.95, 0.95);
                    } completion:^(BOOL finished) {
                        cell.transform = CGAffineTransformMakeScale(1.00, 1.00);
                        
                        if ([self.delegate respondsToSelector:@selector(needLogin)]) {
                            [self.delegate needLogin];
                        }
                        [[UIApplication sharedApplication] endIgnoringInteractionEvents];
                    }];
                }
            }else if ([data isEqualToString:@"subscribe"]) {
                loginCollectCell *cell = (loginCollectCell*)[collectionView cellForItemAtIndexPath:indexPath];
                
                if (ISNotRETINA) {
                    [[NSNotificationCenter defaultCenter] postNotificationName:POPUPORDERCENTER object:nil];
                    [[UIApplication sharedApplication] endIgnoringInteractionEvents];
                }else {
                    [UIView animateWithDuration:0.25 animations:^{
                        cell.transform = CGAffineTransformMakeScale(0.95, 0.95);
                    } completion:^(BOOL finished) {
                        cell.transform = CGAffineTransformMakeScale(1.00, 1.00);
                        [[NSNotificationCenter defaultCenter] postNotificationName:POPUPORDERCENTER object:nil];
                        [[UIApplication sharedApplication] endIgnoringInteractionEvents];
                    }];
                }
            }
            
        }
    }else if ([data isKindOfClass:[listContObjectVO class]]){
        paperCollectCell *cell = (paperCollectCell*)[collectionView cellForItemAtIndexPath:indexPath];

        if (ISNotRETINA) {
            NSDictionary *dic = @{@"listContentData":data};
            [[NSNotificationCenter defaultCenter] postNotificationName:PUSHTODETAILCONTENT object:nil userInfo:dic];
            [[UIApplication sharedApplication] endIgnoringInteractionEvents];
        }else {
            [UIView animateWithDuration:0.25 animations:^{
                cell.transform = CGAffineTransformMakeScale(0.95, 0.95);
            } completion:^(BOOL finished) {
                cell.transform = CGAffineTransformMakeScale(1.00, 1.00);
                
                NSDictionary *dic = @{@"listContentData":data};
                [[NSNotificationCenter defaultCenter] postNotificationName:PUSHTODETAILCONTENT object:nil userInfo:dic];
                [[UIApplication sharedApplication] endIgnoringInteractionEvents];
            }];
        }
    }else if ([data isKindOfClass:[commentObjectVO class]]){
        hotAnswerCell *cell = (hotAnswerCell*)[collectionView cellForItemAtIndexPath:indexPath];
        
        if (ISNotRETINA) {
            NSDictionary *dic = @{@"data":data};
            [[NSNotificationCenter defaultCenter] postNotificationName:PRESENTHOTASK object:nil userInfo:dic];
            [[UIApplication sharedApplication] endIgnoringInteractionEvents];
        }else {
            [UIView animateWithDuration:0.25 animations:^{
                cell.transform = CGAffineTransformMakeScale(0.95, 0.95);
            } completion:^(BOOL finished) {
                cell.transform = CGAffineTransformMakeScale(1.00, 1.00);
                NSDictionary *dic = @{@"data":data};
                [[NSNotificationCenter defaultCenter] postNotificationName:PRESENTHOTASK object:nil userInfo:dic];
                [[UIApplication sharedApplication] endIgnoringInteractionEvents];
            }];
        }
    }else {
        topicListCell *cell = (topicListCell*)[collectionView cellForItemAtIndexPath:indexPath];
        
        if (ISNotRETINA) {
            NSDictionary *dic = @{@"listContentData":data};
            [[NSNotificationCenter defaultCenter] postNotificationName:PUSHTODETAILCONTENT object:nil userInfo:dic];
            [[UIApplication sharedApplication] endIgnoringInteractionEvents];
        }else {
            [UIView animateWithDuration:0.25 animations:^{
                cell.transform = CGAffineTransformMakeScale(0.95, 0.95);
            } completion:^(BOOL finished) {
                cell.transform = CGAffineTransformMakeScale(1.00, 1.00);
                
                NSDictionary *dic = @{@"listContentData":data};
                [[NSNotificationCenter defaultCenter] postNotificationName:PUSHTODETAILCONTENT object:nil userInfo:dic];
                [[UIApplication sharedApplication] endIgnoringInteractionEvents];
            }];
        }
    }
}

#pragma mark - button Handler
- (void)goToColumnPage:(listContObjectVO *)listBO {
    
    if ([self.delegate respondsToSelector:@selector(pushToColumPage:)]) {
        [self.delegate pushToColumPage:listBO];
    }
}

- (void)titleClick:(commentObjectVO *)contBO {
    NSDictionary *dic = @{@"listContentData":contBO};
    if ([contBO.objectType integerValue] != 3) {
        [[NSNotificationCenter defaultCenter] postNotificationName:PUSHTODETAILCONTENT object:nil userInfo:dic];
    }else{
        [[NSNotificationCenter defaultCenter] postNotificationName:PUSHTOTOPICDETAILCONTENT object:nil userInfo:dic];
    }
    
}

- (void)popDetailAnswerPage:(commentObjectVO *)comment backColor:(UIColor *)color{
    NSDictionary *dic = @{@"commentData":comment,@"color":color};
    [[NSNotificationCenter defaultCenter] postNotificationName:POPANSWERDETAIL object:nil userInfo:dic];
}

- (void)hasPraisedComment:(NSIndexPath *)indexPath withCommentBO:(commentObjectVO *)commentBO {
//    NSDictionary *dic = setDataModelToDic(commentBO, [commentBO class]);
//    commentObjectVO *comment = self.dataList[indexPath.row];
//    NSArray *array = [NSArray arrayWithObject:dic];
//    comment.answerList = array;
//    [self.dataList replaceObjectAtIndex:indexPath.row withObject:comment];
//    
//    if ([self.delegate respondsToSelector:@selector(hasPraisedComment:)]) {
//        [self.delegate hasPraisedComment:<#(commentObjectVO *)#>]
//    }
}

#pragma mark <UICollectionViewDelegate>

// Uncomment this method to specify if the specified item should be highlighted during tracking
//- (BOOL)collectionView:(UICollectionView *)collectionView shouldHighlightItemAtIndexPath:(NSIndexPath *)indexPath {
//	return YES;
//}


/*
 Uncomment this method to specify if the specified item should be selected
- (BOOL)collectionView:(UICollectionView *)collectionView shouldSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    return YES;
}
*/

/*
// Uncomment these methods to specify if an action menu should be displayed for the specified item, and react to actions performed on the item
- (BOOL)collectionView:(UICollectionView *)collectionView shouldShowMenuForItemAtIndexPath:(NSIndexPath *)indexPath {
	return NO;
}

- (BOOL)collectionView:(UICollectionView *)collectionView canPerformAction:(SEL)action forItemAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
	return NO;
}

- (void)collectionView:(UICollectionView *)collectionView performAction:(SEL)action forItemAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
	
}
*/

#pragma mark - KVO handler
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    if (self.collectionView.contentOffset.x >= 0) {
        return;
    }; //向左滚出视区

    
    if (self.refreshView.state == RefreshStateRefreshing) {
        return;
    }
        
    if (self.collectionView.isDragging) {
        CGFloat normal2pullingOffsetX = 0-120.f;
        if (self.refreshView.state == RefreshStateNormal && self.collectionView.contentOffset.x < normal2pullingOffsetX) {
            // 转为即将刷新状态
            self.refreshView.state = RefreshStatePulling;
        } else if (self.refreshView.state == RefreshStatePulling && self.collectionView.contentOffset.x >= normal2pullingOffsetX) {
            // 转为普通状态
            self.refreshView.state = RefreshStateNormal;
        }
    }else {
        if (self.refreshView.state == RefreshStatePulling) { //松手转为刷新状态
            // 开始刷新
            [UIView animateWithDuration:0.2 animations:^{
                self.collectionView.contentInset = UIEdgeInsetsMake(0, 120, 0, 0);
            }];
            [self startLeftRfresh];
            self.refreshView.state = RefreshStateRefreshing;
        }
    }
}

- (void)dealloc {
    [self removeObserver:self forKeyPath:@"self.collectionView.contentOffset"];
}


@end