//
//  timeManageSheetView.m
//  ADHTuanCan
//
//  Created by 敖德亨 on 2023/10/7.
//

#import "timeManageSheetView.h"
#import "MonthModel.h"
#import "MonthTableViewCell.h"
#import "ADHTuanCan-Swift.h"

@interface timeManageSheetView ()<UITableViewDelegate,UITableViewDataSource>

/// tableviw父视图
@property (weak, nonatomic) IBOutlet UIView *backView;

/// 计数
@property (weak, nonatomic) IBOutlet UILabel *countNumLab;

@property(nonatomic,strong)UITableView *tableView;
@property(nonatomic,strong)NSMutableArray *dataArray;
@property(nonatomic,strong)UIView *weekView;

/// 日历开始时间
@property(nonatomic,strong)NSDate * viewBeginDate;


/// 选择开始时间
@property(nonatomic,strong)NSDate * startDate;
/// 选择结束时间
@property(nonatomic,strong)NSDate * endDate;
@property(nonatomic,strong)DayModel * startDayModel;
@property(nonatomic,strong)DayModel * endDayModel;

@end

@implementation timeManageSheetView


- (void)awakeFromNib{
    [super awakeFromNib];

    
//    self.backgroundColor = [UIColor whiteColor];
    [self.backView addSubview:self.weekView];
    [self.backView addSubview:self.tableView];
    self.dataArray = [NSMutableArray array];
}

- (void)dealloc
{
    NSLog(@"%s",__FUNCTION__);
}

/////////////////////////////////////创建视图///////////////////////////////////////////
#pragma mark - 创建主视图
-(UITableView *)tableView{
    if (!_tableView) {
        _tableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 40, self.bounds.size.width, 390) style:UITableViewStylePlain];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
        _tableView.showsVerticalScrollIndicator = NO;
        [_tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"UITableViewCellID"];
    }
    return _tableView;
}
#pragma mark - 创建星期视图
-(UIView *)weekView{
    if (!_weekView) {
        _weekView = [[UIView alloc]initWithFrame:CGRectMake(-1, 0, self.bounds.size.width+2, 40)];
        NSMutableArray * title = [NSMutableArray array];
        NSArray *chtitle = @[@"一",@"二",@"三",@"四",@"五",@"六",@"日"];
        NSArray *entitle = @[@"Mon",@"Tues",@"Wed",@"Thur",@"Fri",@"Sat",@"Sun"];
        if (LanguagesUtil.isEnLanguage) {
            [title setArray:entitle];
        }else{
            [title setArray:chtitle];
        }
        for (int i =0 ; i < 7 ; i++) {
            UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(self.bounds.size.width/7*i+1, 0, self.bounds.size.width/7, _weekView.bounds.size.height)];
            label.textAlignment = NSTextAlignmentCenter;
            label.text = title[i];
            if (i>4) {
                label.textColor = [UIColor orangeColor];
            }
            [_weekView addSubview:label];
        }
        _weekView.backgroundColor = [UIColor whiteColor];
        _weekView.layer.borderWidth = 1;
        _weekView.layer.masksToBounds = YES;
        _weekView.layer.borderColor = [UIColor colorWithRed:230/255.0 green:230/255.0 blue:230/255.0 alpha:1].CGColor;
    }
    return _weekView;
}


/////////////////////////////////////点击事件///////////////////////////////////////////
#pragma mark - 确定事件返回

- (IBAction)saveAction:(UIButton *)sender {
    if (self.startDate == nil) {
        return;
    }
    if (self.endDate == nil) {
        return;
    }
    [self selectedCheckDate];
}
-(void)selectedCheckDate{
    NSInteger days = [self calcDaysFromBegin:self.startDate end:self.endDate];
    NSDateFormatter *dateFormatter=[[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"yyyy-MM-dd"];
    NSString *startDateStr = [dateFormatter stringFromDate:self.startDate];
    NSString *endDateStr = [dateFormatter stringFromDate:self.endDate];
    NSString *daysStr = [NSString stringWithFormat:@"%ld",days + 1];
    [self hidden];
    if (_selectCheckDateBlock) {
        _selectCheckDateBlock(startDateStr,endDateStr,daysStr);
    }
}

/////////////////////////////////////代理方法///////////////////////////////////////////
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return self.dataArray.count;
}
-(CGFloat )tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    MonthModel *model = self.dataArray[indexPath.row];
    return model.cellHight;
}


-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    MonthTableViewCell *cell = [MonthTableViewCell cellWithTableView:tableView];
    cell.model =  self.dataArray[indexPath.row];
    __weak typeof(self) weakSelf = self;
    cell.selectedDay = ^(DayModel *returnDaymodel){
        NSDate * nowdate = NSDate.now;
       
        self.countNumLab.text = @"";
        if ([self compareDate:returnDaymodel.dayDate withDate:self.startDate] == 1) {
            for (MonthModel *Mo in self.dataArray) {
                for (DayModel *mo in Mo.days) {
                    mo.state = DayModelStateNormal;
                    mo.Daysort = 0;
                }
            }
            self.startDate = nil;
            self.endDate = nil;
            self.startDate = returnDaymodel.dayDate;
            returnDaymodel.state = DayModelStateStart;
            returnDaymodel.Daysort = 1;
            returnDaymodel.isEndTimeOK = NO;
            self.startDayModel = returnDaymodel;
            [self.tableView reloadData];
            return;
        }
        
        if ((self.startDate != nil) && (self.endDate != nil)){
            for (MonthModel *Mo in self.dataArray) {
                for (DayModel *mo in Mo.days) {
                    mo.state = DayModelStateNormal;
                    mo.Daysort = 0;
                }
            }
            self.startDate = nil;
            self.endDate = nil;
            self.startDate = returnDaymodel.dayDate;
            returnDaymodel.state = DayModelStateStart;
            returnDaymodel.Daysort = 1;
            returnDaymodel.isEndTimeOK = NO;
            self.startDayModel = returnDaymodel;
            [self.tableView reloadData];
            return;
        }
        
        if (self.endDate == nil) {
            self.endDate = returnDaymodel.dayDate;
            for (MonthModel *Mo in self.dataArray) {
                for (DayModel *mo in Mo.days) {
                    mo.state = DayModelStateNormal;
                    mo.Daysort = 0;
                    if ([self compareDate:mo.dayDate withDate:self.endDate] == 1 && [self compareDate:mo.dayDate withDate:self.startDate] == -1){
                        mo.state = DayModelStateSelected;
                        NSInteger days = [self calcDaysFromBegin:self.startDate end:mo.dayDate];
                        mo.Daysort = days + 1;
                    }
                    if (mo.dayDate == self.startDate) {
                        self.startDate = mo.dayDate;
                        self.startDayModel = mo;
                        mo.state = DayModelStateStart;
                        mo.Daysort = 1;
                        mo.isEndTimeOK = YES;
                    }
                }
               
            }
            NSInteger days1 = [self calcDaysFromBegin:self.startDate end:returnDaymodel.dayDate];
            returnDaymodel.Daysort = days1 + 1;
            returnDaymodel.state = DayModelStateEnd;
            self.endDayModel = returnDaymodel;
            
            NSInteger days = [self calcDaysFromBegin:self.startDate end:self.endDate];
            self.countNumLab.text = [LanguagesUtil createTextByCtext:[NSString stringWithFormat:@"共计%d天",days + 1] Etext:[NSString stringWithFormat:@"%d days in total",days + 1]];
            
            [self.tableView reloadData];
            return;
        }
    };
    return cell;
}

/////////////////////////////////////数据处理///////////////////////////////////////////
#pragma mark - 懒加载数据源
-(void)setDateArr{
    [self.dataArray removeAllObjects];
    NSInteger days = [self calcDaysFromBegin:self.startDate end:self.endDate];
    self.countNumLab.text = [LanguagesUtil createTextByCtext:[NSString stringWithFormat:@"共计%d天",days] Etext:[NSString stringWithFormat:@"%d days in total",days]];
    
    NSDate *nowdate = NSDate.now;

    NSInteger toYear = [self getDataFromDate:nowdate type:@"year"];
    NSInteger toMonth = [self getDataFromDate:nowdate type:@"month"];
    for (int i = 0; i<2; i++) {
        if (i == 0) {
            MonthModel  * monthModel = [[MonthModel alloc] init];
            monthModel.year = toYear;
            monthModel.month = toMonth;
            NSMutableArray *days = [NSMutableArray array ];
            NSInteger starNum = [self getDataFromDate :self.viewBeginDate type:@"day"];
            for (NSInteger i = starNum ; i <=[self totaldaysInMonth:nowdate]; i++) {
                DayModel *dayModel = [[DayModel alloc]init];
                dayModel.dayDate = [self dateWithYear:monthModel.year month:monthModel.month day:i];
                dayModel.day = i;
                dayModel.month = monthModel.month;
                dayModel.year = monthModel.year;
                dayModel.dayOfTheWeek = [self getDataFromDate:dayModel.dayDate type:@"week"];
                dayModel.isToday = i==starNum;
                dayModel.state = DayModelStateNormal;
                
                dayModel.Daysort = 0;
                if ([self compareDate:dayModel.dayDate withDate:nowdate] == 1) {
                    dayModel.isStatePast = YES;
                }
                if ([self compareDate:dayModel.dayDate withDate:self.startDate] == 0) {
                    dayModel.state = DayModelStateStart;
                    dayModel.Daysort = 1;
                    dayModel.isEndTimeOK = YES;
                    self.startDayModel = dayModel;
                }
                if ([self compareDate:dayModel.dayDate withDate:self.endDate] == 0) {
                    dayModel.state = DayModelStateEnd;
                    dayModel.Daysort = [NSString stringWithFormat:@"%ld",[self calcDaysFromBegin:self.startDate end:dayModel.dayDate]].intValue + 1;
                    //差值需要加1
                    self.endDayModel = dayModel;
                }
                
                if ([self compareDate:dayModel.dayDate withDate:self.endDate] == 1 && [self compareDate:dayModel.dayDate withDate:self.startDate] == -1){
                    dayModel.state = DayModelStateSelected;
                    dayModel.Daysort = [NSString stringWithFormat:@"%ld",[self calcDaysFromBegin:self.startDate end:dayModel.dayDate]].intValue + 1;
                    //差值需要加1
                }

                
                [days addObject:dayModel];
            }
            monthModel.days = days;
            DayModel *m = days.firstObject;
            NSInteger lineCount = 1;
            NSInteger oneLineCoune =( 7 - m.dayOfTheWeek + 2 ) % 7;
            if (oneLineCoune == 0) {
                oneLineCoune = 7;
            }
            NSInteger count = days.count - oneLineCoune;
            if (count%7==0) {
                lineCount = lineCount + count/7 ;
            }else{
                lineCount = lineCount + count/7 + 1 ;
                
            }
            monthModel.cellNum = lineCount * 7;
            monthModel.cellStartNum = 7 - oneLineCoune ;
            monthModel.cellHight = 60 + 60 * lineCount + 2 * (lineCount + 1);
            
            [_dataArray addObject:monthModel];
            toMonth++;
            
        }else{
            if (toMonth == 13) {
                toMonth = 1;
                toYear += 1;
            }
            NSDate *toDate = [self dateWithYear:toYear month:toMonth day:1];
            
            MonthModel  * monthModel = [[MonthModel alloc] init];
            monthModel.year = [self getDataFromDate:toDate type:@"year"];
            monthModel.month = [self getDataFromDate:toDate type:@"month"];
            NSMutableArray *days = [NSMutableArray array ];
            for (NSInteger i = 1 ; i <=[self totaldaysInMonth:toDate]; i++) {
                DayModel *dayModel = [[DayModel alloc]init];
                dayModel.dayDate = [self dateWithYear:monthModel.year month:monthModel.month day:i];
                dayModel.day = i;
                dayModel.month = monthModel.month;
                dayModel.year = monthModel.year;
                dayModel.dayOfTheWeek = [self getDataFromDate:dayModel.dayDate type:@"week"];
                dayModel.isToday = NO;
                dayModel.state = DayModelStateNormal;
                [days addObject:dayModel];
            }
            monthModel.days = days;
            DayModel *m = days.firstObject;
            NSInteger lineCount = 1;
            NSInteger oneLineCoune =( 7 - m.dayOfTheWeek + 2 ) % 7;
            if (oneLineCoune == 0) {
                oneLineCoune = 7;
            }
            NSInteger count = days.count - oneLineCoune;
            if (count%7==0) {
                lineCount = lineCount + count/7 ;
            }else{
                lineCount = lineCount + count/7 + 1 ;
                
            }
            monthModel.cellNum = lineCount * 7;
            monthModel.cellStartNum = 7 - oneLineCoune ;
            monthModel.cellHight = 60 + 60 * lineCount + 2 * (lineCount + 1);
            
            [_dataArray addObject:monthModel];
            toMonth++;
        }
    }
    [self.tableView reloadData];
}


#pragma mark - 获取年，月，日，星期 注：日历获取在9.x之后的系统使用currentCalendar会出异常。在8.0之后使用系统新API。
-(NSInteger )getDataFromDate:(NSDate *)date type:(NSString * )type{
    NSCalendar *calendar = nil;
    if ([NSCalendar respondsToSelector:@selector(calendarWithIdentifier:)]) {
        calendar = [NSCalendar calendarWithIdentifier:NSCalendarIdentifierGregorian];
    }else{
        calendar = [NSCalendar currentCalendar];
    }
    NSDateComponents *components = [calendar components:(NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay |NSCalendarUnitWeekday) fromDate:date];
    if ([type isEqualToString:@"year"]) {
        return components.year;
    }else if ([type isEqualToString:@"month"]) {
        return components.month;
    }else if ([type isEqualToString:@"day"]) {
        return components.day;
    }else if ([type isEqualToString:@"week"]) {
        return components.weekday;
    }else{
        return 0;
    }
}

#pragma mark -- 获取当前月共有多少天
- (NSInteger)totaldaysInMonth:(NSDate *)date{
    NSRange daysInLastMonth = [[NSCalendar currentCalendar] rangeOfUnit:NSCalendarUnitDay inUnit:NSCalendarUnitMonth forDate:date];
    return daysInLastMonth.length;
}

#pragma mark - 时间字符串转时间
-(NSDate *)dateWithYear:(NSInteger )year month:(NSInteger )month day:(NSInteger )day
{
    NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
    [formatter setDateFormat:@"yyyyMMdd"];
    return [formatter dateFromString:[NSString stringWithFormat:@"%ld%02ld%02ld",year,month,day]];
}

#pragma mark-日期比较
-(NSInteger )compareDate:(NSDate *)date01 withDate:(NSDate *)date02{
    NSInteger ci;
    NSComparisonResult result = [date01 compare:date02];
    switch (result)
    {
            //date02比date01大
        case NSOrderedAscending: ci=1; break;
            //date02比date01小
        case NSOrderedDescending: ci=-1; break;
            //date02=date01
        case NSOrderedSame: ci=0; break;
        default: NSLog(@"erorr dates %@, %@", date02, date01); break;
    }
    return ci;
}


#pragma mark - <#content#> 计算两个日期之间的天数
- (NSInteger) calcDaysFromBegin:(NSDate *)beginDate end:(NSDate *)endDate{
    //创建日期格式化对象
    NSDateFormatter *dateFormatter=[[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm"];
    
    //取两个日期对象的时间间隔：
    //这里的NSTimeInterval 并不是对象，是基本型，其实是double类型，是由c定义的:typedef double NSTimeInterval;
    NSTimeInterval time=[endDate timeIntervalSinceDate:beginDate];
    
    int days=((int)time)/(3600*24);
    //int hours=((int)time)%(3600*24)/3600;
    //NSString *dateContent=[[NSString alloc] initWithFormat:@"%i天%i小时",days,hours];
    return days;
}

- (IBAction)closeAction:(UIButton *)sender {
    [self hidden];
}

-(void)showWithStaStr:(NSString *) staStr endStr:(NSString *)endStr beginDate:(NSDate *)beginDate{
    NSString * begYear =  [staStr substringWithRange:NSMakeRange(0,4)];
    NSString * begMonth =  [staStr substringWithRange:NSMakeRange(5,2)];
    NSString * begDay =  [staStr substringWithRange:NSMakeRange(8,2)];
    
    NSString * endYear =  [endStr substringWithRange:NSMakeRange(0,4)];
    NSString * endMonth =  [endStr substringWithRange:NSMakeRange(5,2)];
    NSString * endDay =  [endStr substringWithRange:NSMakeRange(8,2)];
    
    self.startDate = [self dateWithYear:begYear.intValue month:begMonth.intValue day:begDay.intValue];
    self.endDate = [self dateWithYear:endYear.intValue month:endMonth.intValue day:endDay.intValue];
    self.viewBeginDate = beginDate;
    
    [self setDateArr];
    self.frame = [UIApplication sharedApplication].keyWindow.bounds;
    [[UIApplication sharedApplication].keyWindow addSubview:self];
}
-(void)hidden{
    [self removeFromSuperview];
}

@end