//
//  GHRefreshTableView.m
//  GameHelper
//
//  Created by 青秀斌 on 16/12/29.
//  Copyright © 2016年 kylincc. All rights reserved.
//

#import "GHRefreshTableView.h"
#import "GHRefreshHeader.h"
#import "GHRefreshFooter.h"
#import "UIView+GHBlank.h"
#import "AFNetworkReachabilityManager.h"
#import "UITableView+HeadSet.h"
#import <Masonry.h>

#define NET_CONNECT_ERROR @"当前网络不给力,请稍后重试"

@interface GHRefreshTableView ()
@property (strong, nonatomic) NSMutableArray *dataArray;
@property (assign, nonatomic) NSUInteger pageIndex;
@property (assign, nonatomic) NSUInteger offset;
@end

@implementation GHRefreshTableView

- (instancetype)init {
    if (self = [super init]) {
        [self awakeFromNib];
    }
    return self;
}

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        [self awakeFromNib];
    }
    return self;
}

- (instancetype)initWithFrame:(CGRect)frame style:(UITableViewStyle)style {
    if (self = [super initWithFrame:frame style:style]) {
        [self awakeFromNib];
    }
    return self;
}

- (void)awakeFromNib {
    [super awakeFromNib];
    self.pageIndex = 1;
    self.offset = 0;
    self.pageSize = 20;
    self.allowShowMore = YES;
    self.allowShowBlank = YES;
    self.allowShowNoNetworkBlank = YES;
    self.allowExternalControlShowBlank = NO;
    self.allowShowBlankWithHeaderTableView = NO;
    self.blankImage = nil;
    self.blankTitle = nil;
    self.blankMessage = nil;
    self.offsetY = 0;
    self.carRefreshBackgroundType = kCarRefreshBackgroundTypeDoubleCircle;//下拉加载动画
}

- (void)setRefreshDelegate:(id<GHRefreshTableViewDelegate>)refreshDelegate {
    _refreshDelegate = refreshDelegate;
    
    if ([self.refreshDelegate respondsToSelector:@selector(tableView:pageIndex:offset:pageSize:success:failure:)]) {
        [self addRefreshHeader];
    }
}

- (void)setAllowShowMore:(BOOL)allowShowMore {
    _allowShowMore = allowShowMore;
    
    if (self.mj_footer) {
        [self.mj_footer removeFromSuperview];
        self.mj_footer = nil;
    }
}

-(void)removeHeaderView{
    if (self.mj_header) {
        [self.mj_header removeFromSuperview];
        self.mj_header = nil;
    }
    if (self.refreshHeaderView) {
        [self.refreshHeaderView removeFromSuperview];
        [self setRefreshHeaderView:nil];
    }
}

/**********************************************************************/
#pragma mark - Private
/**********************************************************************/

- (void)addRefreshHeader {
    if (self.mj_header) {
        return;
    }
    GHRefreshHeader *header = [GHRefreshHeader headerWithRefreshingBlock:^{
        NSUInteger pageIndex = 1;
        NSUInteger offset = 0;
        
        WS(weakSelf);
        [self.refreshDelegate tableView:self pageIndex:pageIndex offset:offset pageSize:self->_pageSize success:^(NSArray *list, BOOL hasNext) {
            
            [weakSelf.mj_header endRefreshing];
            
            //添加RefreshFooter
            [weakSelf addRefreshFooter];
            if (hasNext) {
                [weakSelf.mj_footer endRefreshing];
            } else {
                [weakSelf.mj_footer endRefreshingWithNoMoreData];
            }
            
            //加载数据
            weakSelf.pageIndex = pageIndex;
            weakSelf.offset = offset;
            if (weakSelf.reloadView) {
                weakSelf.reloadView(list);
            } else {
                weakSelf.dataArray = [list mutableCopy];
                [weakSelf reloadData];
            }
            
            //显示占位图
            if (weakSelf.allowShowBlank && weakSelf.dataArray.count==0) {
                weakSelf.mj_footer.hidden = YES;
                if(self.allowShowBlankWithHeaderTableView){
                    [weakSelf addHeaderView:weakSelf.blankImage?:@"no_data" title:weakSelf.blankTitle?:@"暂无数据"];
                }else{
                    [weakSelf showBlankWithImage:weakSelf.blankImage?:@"no_data"
                                           title:weakSelf.blankTitle?:@"暂无数据"
                                         message:weakSelf.blankMessage
                                          action:nil offsetY:weakSelf.offsetY];
                }
            } else {
                [weakSelf dismissBlank];
                if(!weakSelf.allowExternalControlShowBlank){
                    weakSelf.mj_footer.hidden = NO;
                    [weakSelf setHeadIsNil];
                }else{
                    weakSelf.mj_footer.hidden = YES;
                }
            }
        } failure:^(NSError *error) {
            [weakSelf.mj_header endRefreshing];
            
            //显示占位图
            NSString *blankTitle = error.localizedDescription?:weakSelf.blankTitle;
            if (weakSelf.allowShowBlank && weakSelf.dataArray.count==0) {
                weakSelf.mj_footer.hidden = YES;
                
                BOOL isHaveNet = NO;
                if (AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusUnknown || AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusNotReachable) {
                    isHaveNet = YES;
                }
                
                if (weakSelf.allowShowNoNetworkBlank && isHaveNet) {
                    if(self.allowShowBlankWithHeaderTableView){
                        [weakSelf addHeaderView:@"no_network" title:NET_CONNECT_ERROR];
                    }else{
                        [weakSelf showBlankWithImage:@"no_network"
                                               title:NET_CONNECT_ERROR
                                             message:nil
                                              action:nil offsetY:weakSelf.offsetY];

                    }
                } else {
                    if(self.allowShowBlankWithHeaderTableView){
                        [weakSelf addHeaderView:weakSelf.blankImage?:@"failed_to_load" title:blankTitle?:@"加载失败"];
                    }else{
                        [weakSelf showBlankWithImage:weakSelf.blankImage?:@"failed_to_load"
                                               title:blankTitle?:@"加载失败"
                                             message:weakSelf.blankMessage
                                              action:nil offsetY:weakSelf.offsetY];
                    }
                }
            } else {
                [weakSelf dismissBlank];
                if(!weakSelf.allowExternalControlShowBlank){
                    weakSelf.mj_footer.hidden = NO;
                    [weakSelf setHeadIsNil];
                }else{
                    weakSelf.mj_footer.hidden = YES;
                }
                
//                [ShowtipTool showErrorWithStatus:blankTitle];
            }
        }];
    }carRefreshBackgroundType:self.carRefreshBackgroundType];
    self.refreshHeaderView = header;
    self.mj_header = header;
}

- (void)addRefreshFooter {
    if (!self.allowShowMore) {
        return;
    }
    if (self.mj_footer) {
        return;
    }
    
    GHRefreshFooter *footer = [GHRefreshFooter footerWithRefreshingBlock:^{
        NSUInteger pageIndex = self.pageIndex + 1;
        NSInteger offset = self.dataArray.count + 1;
        
        WS(weakSelf);
        [self.refreshDelegate tableView:self pageIndex:pageIndex offset:offset pageSize:_pageSize success:^(NSArray * _Nullable list, BOOL hasNext) {
           
            if (hasNext) {
                [weakSelf.mj_footer endRefreshing];
            } else {
                [weakSelf.mj_footer endRefreshingWithNoMoreData];
            }
            
            //加载数据
            weakSelf.pageIndex = pageIndex;
            weakSelf.offset = offset;
            if (weakSelf.reloadView) {
                weakSelf.reloadView(list);
            } else {
                [weakSelf.dataArray addObjectsFromArray:list];
                [weakSelf reloadData];
            }
            
            //显示占位图
            if (weakSelf.allowShowBlank && weakSelf.dataArray.count==0) {
                weakSelf.mj_footer.hidden = YES;
                if(self.allowShowBlankWithHeaderTableView){
                    [weakSelf addHeaderView:weakSelf.blankImage?:@"no_data" title:weakSelf.blankTitle?:@"暂无数据"];
                }else{
                    [weakSelf showBlankWithImage:weakSelf.blankImage?:@"no_data"
                                           title:weakSelf.blankTitle?:@"暂无数据"
                                         message:weakSelf.blankMessage
                                          action:nil offsetY:weakSelf.offsetY];
                }
            } else {
                [weakSelf dismissBlank];
                if(!weakSelf.allowExternalControlShowBlank){
                    weakSelf.mj_footer.hidden = NO;
                    [weakSelf setHeadIsNil];
                }else{
                    weakSelf.mj_footer.hidden = YES;
                }
            }
        } failure:^(NSError *error) {
            [weakSelf.mj_footer endRefreshing];
            
            //显示占位图
            NSString *blankTitle = error.localizedDescription?:weakSelf.blankTitle;
            if (weakSelf.allowShowBlank && weakSelf.dataArray.count==0) {
                weakSelf.mj_footer.hidden = YES;
                
                BOOL isHaveNet = NO;
                if (AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusUnknown || AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusNotReachable) {
                    isHaveNet = YES;
                }
                
                if (weakSelf.allowShowNoNetworkBlank && isHaveNet) {
                    if(self.allowShowBlankWithHeaderTableView){
                        [weakSelf addHeaderView:@"no_network" title:NET_CONNECT_ERROR];
                    }else{
                        [weakSelf showBlankWithImage:@"no_network"
                                               title:NET_CONNECT_ERROR
                                             message:nil
                                              action:nil offsetY:weakSelf.offsetY];
                    }
                } else {
                    if(self.allowShowBlankWithHeaderTableView){
                        [weakSelf addHeaderView:weakSelf.blankImage?:@"failed_to_load" title:blankTitle?:@"加载失败"];
                    }else{
                        [weakSelf showBlankWithImage:weakSelf.blankImage?:@"failed_to_load"
                                               title:blankTitle?:@"加载失败"
                                             message:weakSelf.blankMessage
                                              action:nil offsetY:weakSelf.offsetY];
                    }
                }
            } else {
                [weakSelf dismissBlank];
                if(!weakSelf.allowExternalControlShowBlank){
                    weakSelf.mj_footer.hidden = NO;
                    [weakSelf setHeadIsNil];
                }else{
                    weakSelf.mj_footer.hidden = YES;
                }
                
//                [ShowtipTool showErrorWithStatus:blankTitle];
            }
        }];
    }];
    self.mj_footer = footer;
}

/**********************************************************************/
#pragma mark - Public
/**********************************************************************/

- (void)refreshData {
    [self.mj_header beginRefreshing];
}

- (void)refreshDataNoAnimation{
    NSUInteger pageIndex = 1;
    NSInteger offset = 0;
    
    WS(weakSelf);
    [self.refreshDelegate tableView:self pageIndex:pageIndex offset:offset pageSize:_pageSize success:^(NSArray *list, BOOL hasNext) {
    
        [weakSelf.mj_header endRefreshing];
        
        //添加RefreshFooter
        [weakSelf addRefreshFooter];
        if (hasNext) {
            [weakSelf.mj_footer endRefreshing];
        } else {
            [weakSelf.mj_footer endRefreshingWithNoMoreData];
        }
        
        //加载数据
        weakSelf.pageIndex = pageIndex;
        weakSelf.offset = offset;
        if (weakSelf.reloadView) {
            weakSelf.reloadView(list);
        } else {
            weakSelf.dataArray = [list mutableCopy];
            [weakSelf reloadData];
        }
        
        //显示占位图
        if (weakSelf.allowShowBlank && weakSelf.dataArray.count==0) {
            weakSelf.mj_footer.hidden = YES;
            if(self.allowShowBlankWithHeaderTableView){
                [weakSelf addHeaderView:weakSelf.blankImage?:@"no_data" title:weakSelf.blankTitle?:@"暂无数据"];
            }else{
                [weakSelf showBlankWithImage:weakSelf.blankImage?:@"no_data"
                                       title:weakSelf.blankTitle?:@"暂无数据"
                                     message:weakSelf.blankMessage
                                      action:nil offsetY:weakSelf.offsetY];
            }
        } else {
            [weakSelf dismissBlank];
            if(!weakSelf.allowExternalControlShowBlank){
                weakSelf.mj_footer.hidden = NO;
                [weakSelf setHeadIsNil];
            }else{
                weakSelf.mj_footer.hidden = YES;
            }
        }
    } failure:^(NSError *error) {
        [weakSelf.mj_header endRefreshing];
        
        //显示占位图
        NSString *blankTitle = error.localizedDescription?:weakSelf.blankTitle;
        if (weakSelf.allowShowBlank && weakSelf.dataArray.count==0) {
            weakSelf.mj_footer.hidden = YES;
            
            BOOL isHaveNet = NO;
            if (AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusUnknown || AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusNotReachable) {
                isHaveNet = YES;
            }
            
            if (weakSelf.allowShowNoNetworkBlank && isHaveNet) {
                if(self.allowShowBlankWithHeaderTableView){
                    [weakSelf addHeaderView:@"no_network" title:NET_CONNECT_ERROR];
                }else{
                    [weakSelf showBlankWithImage:@"no_network"
                                           title:NET_CONNECT_ERROR
                                         message:nil
                                          action:nil offsetY:weakSelf.offsetY];
                }
            } else {
                if(self.allowShowBlankWithHeaderTableView){
                    [weakSelf addHeaderView:weakSelf.blankImage?:@"failed_to_load" title:blankTitle?:@"加载失败"];
                }else{
                    [weakSelf showBlankWithImage:weakSelf.blankImage?:@"failed_to_load"
                                           title:blankTitle?:@"加载失败"
                                         message:weakSelf.blankMessage
                                          action:nil offsetY:weakSelf.offsetY];
                }
            }
        } else {
            [weakSelf dismissBlank];
            if(!weakSelf.allowExternalControlShowBlank){
                weakSelf.mj_footer.hidden = NO;
                [weakSelf setHeadIsNil];
            }else{
                weakSelf.mj_footer.hidden = YES;
            }
            
//            [ShowtipTool showErrorWithStatus:blankTitle];
        }
    }];
}


//针对学习模块 - 删除所有数据之后再进行刷新
- (void)removeAllDataToReload{
    self.mj_footer.hidden = YES;
    if(self.allowShowBlankWithHeaderTableView){
        [self addHeaderView:self.blankImage?:@"no_data" title:self.blankTitle?:@"暂无数据"];
    }else{
        [self showBlankWithImage:self.blankImage?:@"no_data"
                               title:self.blankTitle?:@"暂无数据"
                             message:self.blankMessage
                              action:nil offsetY:self.offsetY];
    }
}

- (void)showBlankView:(NSString *)blankImg blankTitle:(NSString *)blankTitle{
    [self.mj_header endRefreshing];
    [self.mj_footer endRefreshing];
    self.mj_footer.hidden = YES;
    
    BOOL isHaveNet = NO;
    if (AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusUnknown || AFNetworkReachabilityManager.sharedManager.networkReachabilityStatus == AFNetworkReachabilityStatusNotReachable) {
        isHaveNet = YES;
    }
    
    if (isHaveNet) {
        blankImg = @"no_network";
        blankTitle = NET_CONNECT_ERROR;
    }
    if(self.allowShowBlankWithHeaderTableView){
        [self addHeaderView:blankImg title:blankTitle];
    }else{
        [self showBlankWithImage:blankImg
                           title:blankTitle
                         message:self.blankMessage
                          action:nil offsetY:self.offsetY];
    }  
}

-(void)addHeaderView:(NSString *)blankImg title:(NSString *)blankTitle{
    if(self.allowShowBlankWithHeaderTableViewByNotDeveloped){
        [self setHeadImageAndTextWithNotDeveloped:[UIImage imageNamed:@"will_open"]];
    }else{
        [self setHeadImageAndText:[UIImage imageNamed:blankImg] text:blankTitle];
    } 
}

#pragma mark 移除“没有数据”文字+图片
-(void)removeBlackView{
    [self dismissBlank];
    self.tableFooterView = nil;
}

#pragma mark 重新设置BlankView的位置
-(void)showBlankView_offsetY:(CGFloat)offsetY{
    self.tableFooterView = nil; 
    if(self.dataArray.count == 0){
        offsetY = offsetY/2;
        [self dismissBlank];
        
        UIView *fv = [[UIView alloc] init];
        fv.backgroundColor = [UIColor whiteColor];
        self.tableFooterView = fv;
        fv.height = 300;
        
        UIImageView *blankImageV = [[UIImageView alloc] init];
        [fv addSubview:blankImageV];
        UILabel *blankLabel = [[UILabel alloc] init];
        [fv addSubview:blankLabel];
        blankLabel.font = [UIFont boldSystemFontOfSize:11];
        blankLabel.textColor = RGB(42, 42, 42);
        
        blankImageV.image = [UIImage imageNamed:self.blankImage?:@"no_data"];
        blankLabel.text = self.blankTitle?:@"暂无数据";
        
        [blankImageV mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(fv).offset(50);
            make.centerX.equalTo(fv);
        }];
        
        [blankLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.equalTo(fv);
            make.bottom.equalTo(blankImageV).offset(20);
        }];
        
        [self reloadData];
    }
}
@end