//
//  SalesPaymentRankChartViewController.m
//  IBOSS
//
//  Created by guan hong hou on 2017/8/23.
//  Copyright © 2017年 elongtian. All rights reserved.
//
//  功能描述：销售回款排行图表控制器

#import "SalesPaymentRankChartViewController.h"
#import "SalesPaymentRankModel.h"
#import "SalesPaymentRankFrame.h"
#define kTextFont [UIFont systemFontOfSize:LabelAndTextFontOfSize]

@interface SalesPaymentRankChartViewController (){
    
    /**
     scrollview
     */
    UIScrollView * _scroll;
}

@end

@implementation SalesPaymentRankChartViewController

#pragma mark - 公共函数

/**
 视图加载完成函数
 */
- (void)viewDidLoad {
    [super viewDidLoad];
    [self initUI];
    
}

#pragma mark - 私有函数

/**
 初始化UI
 */
- (void)initUI{
    UIView *separatorView = [UIView new];
    separatorView.frame = CGRectMake(0, 0, Screen_Width, 10);
    separatorView.backgroundColor = LineBackgroundColor;
    [self.view addSubview:separatorView];
    UILabel *lblTitle = [[UILabel alloc]init];
    lblTitle.frame = CGRectMake((Screen_Width-160)/2, CGRectGetMaxY(separatorView.frame)+5, 160, 25);
    lblTitle.text = @"销售回款排行 (单位:元)";
    lblTitle.textColor = LabelGrayTextColor;
    lblTitle.font = [UIFont systemFontOfSize:14];
    [self.view addSubview:lblTitle];
    _bottomSeparatorView = [UIView new];
    _bottomSeparatorView.frame = CGRectMake(0,CGRectGetMaxY(lblTitle.frame)+5, Screen_Width,2);
    _bottomSeparatorView.backgroundColor=LineBackgroundColor;
    [self.view addSubview:_bottomSeparatorView];
    //柱状图左间距
    _scroll = [UIScrollView new];
    _scroll.frame = self.view.bounds;
    [self.view addSubview:_scroll];
    self.view.backgroundColor = [UIColor whiteColor];
}
/**
 安全区视图发生变化
 */
-(void)viewSafeAreaInsetsDidChange{
    _scroll.frame = CGRectMake(0, 0, SCREENWIDTH, self.view.superview.frame.size.height);
    self.view.frame = CGRectMake(0, 0, SCREENWIDTH, self.view.superview.frame.size.height);
    [super viewSafeAreaInsetsDidChange];
    
}
/**
 刷新数据
 */
- (void)refreshData{
    NSRange range=NSMakeRange(0, 10);
    if(_rankList.count > 10){
        NSRange range = NSMakeRange(0, 10);
        _rankList = [_rankList subarrayWithRange:range];
    }
    Boolean flag = [self isHaveNegativeValue];
    if(flag){
        [self loadNegativeHistogram];
    }
    else{
        [self loadPositiveHistogram];
    }
}

/**
 判断是否有负数
 @return <#return value description#>
 */
- (Boolean) isHaveNegativeValue{
    Boolean flag = NO;
    for(int i = 0;i < _rankList.count;i++){
        SalesPaymentRankFrame *frame = [_rankList objectAtIndex:i];
        double backAmount = frame.paymentRankModel.paymentAmount;
        if(backAmount < 0){
            flag = true;
            break;
        }
    }
    return flag;
}

/**
 绘制向右的柱状图
 @param subview
 @param frame
 */
- (void)layerToRight:(UIView *) subview withFrame:(CGRect) frame withColor:(UIColor *) color
{
    CGFloat x = frame.origin.x;
    CGFloat y = frame.origin.y;
    CGFloat height = frame.size.height;
    CGFloat width = frame.size.width;
    CALayer *itemLayer = [CALayer layer];
    itemLayer.frame = frame;
    itemLayer.backgroundColor = color.CGColor;
    [subview.layer addSublayer:itemLayer];
    CABasicAnimation *aniBounds = [CABasicAnimation animationWithKeyPath:@"bounds"];
    aniBounds.fromValue = [NSValue valueWithCGRect:CGRectMake(x, y, 0, height)];
    aniBounds.toValue = [NSValue valueWithCGRect:CGRectMake(x, y, CGRectGetWidth(frame), CGRectGetHeight(frame))];
    CABasicAnimation *aniPosition = [CABasicAnimation animationWithKeyPath:@"position"];
    aniPosition.fromValue = [NSValue valueWithCGPoint:CGPointMake(x, frame.size.height/2 + y)];
    aniPosition.toValue = [NSValue valueWithCGPoint:CGPointMake(x + (CGRectGetMaxX(frame)-x)/2,y + (CGRectGetMaxY(frame)-y)/2)];
    
    CAAnimationGroup *anis = [CAAnimationGroup animation];
    anis.animations = @[aniBounds,aniPosition];
    anis.duration = 1;
    anis.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
    anis.removedOnCompletion = NO;
    anis.fillMode=kCAFillModeForwards;
    [itemLayer addAnimation:anis forKey:nil];
}

/**
 绘制向左的柱状图
 @param subview
 @param frame
 */
- (void)layerToLeft:(UIView *) subview withFrame:(CGRect) frame withColor:(UIColor *) color
{
    CGFloat x = frame.origin.x;
    CGFloat y = frame.origin.y;
    CGFloat height = frame.size.height;
    CGFloat width = frame.size.width;
    CALayer *itemLayer = [CALayer layer];
    itemLayer.frame = frame;
    itemLayer.backgroundColor = color.CGColor;
    [subview.layer addSublayer:itemLayer];
    CABasicAnimation *aniBounds = [CABasicAnimation animationWithKeyPath:@"bounds"];
    aniBounds.fromValue = [NSValue valueWithCGRect:CGRectMake(x, y, 0, height)];
    aniBounds.toValue = [NSValue valueWithCGRect:CGRectMake(x, y, CGRectGetWidth(frame), CGRectGetHeight(frame))];
    CABasicAnimation *aniPosition = [CABasicAnimation animationWithKeyPath:@"position"];
    aniPosition.toValue = [NSValue valueWithCGPoint:CGPointMake(x+ (CGRectGetMaxX(frame)-x)/2, frame.size.height/2 + y)];
    aniPosition.fromValue = [NSValue valueWithCGPoint:CGPointMake(x+width,y + (CGRectGetMaxY(frame)-y)/2)];
    CAAnimationGroup *anis = [CAAnimationGroup animation];
    anis.animations = @[aniBounds,aniPosition];
    anis.duration = 1;
    anis.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
    anis.removedOnCompletion = NO;
    anis.fillMode=kCAFillModeForwards;
    [itemLayer addAnimation:anis forKey:nil];
}




/**
 刷新正向柱状图
 */
- (void) loadPositiveHistogram{
    
    if(_histogramView!=nil){
        [_histogramView removeFromSuperview];
    }
    self.view.backgroundColor = [UIColor whiteColor];
    
    CGFloat xSpacing =30;
    //柱状图高度
    CGFloat height = 40;
    //第一个柱状图上间距
    CGFloat fySpacing = 15;
    //柱状图间距
    CGFloat ySpacing = 10;
    //柱状图内文字左间距
    CGFloat xTextSpacing = 5;
    //柱状图最大长度
    CGFloat maxWidth = SCREENWIDTH -  xSpacing - 10;
    _histogramView = [[UIView alloc]initWithFrame:CGRectMake(0,CGRectGetMaxY(_bottomSeparatorView.frame),Screen_Width,[self getHistogramHeight:_rankList])];
    [_scroll addSubview:_histogramView];
    _histogramView.backgroundColor = [UIColor whiteColor];
    SalesPaymentRankFrame  *maxBackFrame= [_rankList objectAtIndex:0];
    double maxBackAmount=maxBackFrame.paymentRankModel.paymentAmount ;
    for(int i=0;i<_rankList.count;i++){
        SalesPaymentRankFrame  *frame=  [_rankList objectAtIndex:i];
        double backAmount= frame.paymentRankModel.paymentAmount;
        NSString *objectName= frame.paymentRankModel.objectName;
        CGFloat width;
        if(backAmount<maxBackAmount){
            width=maxWidth*(fabs(backAmount)/maxBackAmount);
            if(width<1){
                width=1;
            }
        }
        else{
            width=maxWidth;
        }
        
        [self layerToRight:_histogramView withFrame:CGRectMake(xSpacing, fySpacing*(i+1)+height*i,width, height)withColor:[UIColor colorWithRed:96.0/255.0 green:159.0/255.0 blue:233.0/255.0 alpha:1]];
        [self.view addSubview:_histogramView];
        UILabel *lblOrderSort = [[UILabel alloc] init];
        NSString *orderSortStr =[NSString stringWithFormat:@"%ld", (long)frame.paymentRankModel.orderSort];
        CGRect orderSortFrame = [orderSortStr textRectWithSize:CGSizeMake(MAXFLOAT, MAXFLOAT) attributes:@{NSFontAttributeName:kTextFont}];
        
        orderSortFrame.origin.x=10;
        orderSortFrame.origin.y=(height - orderSortFrame.size.height)/2 +  fySpacing*(i+1)+height*i;
        lblOrderSort.frame=orderSortFrame;
        lblOrderSort.font = kTextFont;
        lblOrderSort.text = orderSortStr;
        [_histogramView addSubview:lblOrderSort];
        UILabel *lblDepartmentName = [[UILabel alloc] init];
        NSString *departmentNameStr =frame.paymentRankModel.objectName;
        CGRect departmentNameFrame = [departmentNameStr textRectWithSize:CGSizeMake(MAXFLOAT, MAXFLOAT) attributes:@{NSFontAttributeName:kTextFont}];
        departmentNameFrame.origin.x = xTextSpacing + xSpacing;
        departmentNameFrame.origin.y = 5+  fySpacing*(i+1)+height*i;
        lblDepartmentName.textAlignment = NSTextAlignmentRight;
        lblDepartmentName.frame=departmentNameFrame;
        lblDepartmentName.font = kTextFont;
        lblDepartmentName.text = departmentNameStr;
        [_histogramView addSubview:lblDepartmentName];
        UILabel *lblBackAmount = [[UILabel alloc] init];
        NSString *backAmountStr = [NSString stringWithFormat:@"¥%.2f", frame.paymentRankModel.paymentAmount];
        CGRect backAmountFrame = [backAmountStr textRectWithSize:CGSizeMake(MAXFLOAT, MAXFLOAT) attributes:@{NSFontAttributeName:kTextFont}];
        backAmountFrame.origin.x = xTextSpacing + xSpacing;
        backAmountFrame.origin.y = CGRectGetMaxY(lblDepartmentName.frame);
        lblBackAmount.textAlignment = NSTextAlignmentRight;
        lblBackAmount.frame=backAmountFrame;
        lblBackAmount.font = kTextFont;
        lblBackAmount.text = backAmountStr;
        [_histogramView addSubview:lblBackAmount];
    }
    
    _scroll.contentSize = CGSizeMake(self.view.frame.size.width, CGRectGetMaxY(_histogramView.frame)+10+rectStatusHeight+rectNavHeight + 150);
    [_scroll addSubview:_histogramView];
    
}


/**
 刷新反向柱状图
 */
- (void) loadNegativeHistogram{
    if(_histogramView != nil){
        [_histogramView removeFromSuperview];
    }
    //柱状图左间距
    CGFloat xSpacing = 15;
    //柱状图高度
    CGFloat height = 40;
    //第一个柱状图上间距
    CGFloat fySpacing =15;
    //柱状图间距
    CGFloat ySpacing = 10;
    //柱状图内文字左间距
    CGFloat xTextSpacing = 5;
    //柱状图最大长度
    CGFloat maxWidth = SCREENWIDTH/2 - xSpacing - 10;
    _histogramView = [[UIView alloc]initWithFrame:CGRectMake(0,CGRectGetMaxY(_bottomSeparatorView.frame),Screen_Width,[self getHistogramHeight:_rankList])];
    [_scroll addSubview:_histogramView];
    _histogramView.backgroundColor = [UIColor whiteColor];
    SalesPaymentRankFrame  *maxBackFrame = [_rankList objectAtIndex:0];
    double maxBackAmount = maxBackFrame.paymentRankModel.paymentAmount;
    for(int i=0;i<_rankList.count;i++){
        SalesPaymentRankFrame  *frame = [_rankList objectAtIndex:i];
        double backAmount = frame.paymentRankModel.paymentAmount;
        NSString *objectName = frame.paymentRankModel.objectName;
        CGFloat width;
        if(backAmount<maxBackAmount){
            width = maxWidth*(fabs(backAmount)/maxBackAmount);
            if(width < 1){
                width = 1;
            }
        }
        else{
            width=maxWidth;
        }
        
        
        UILabel *lblBackAmount = [[UILabel alloc] init];
        NSString *backAmountStr = [NSString stringWithFormat:@"¥%.2f",frame.paymentRankModel.paymentAmount];
        CGRect backAmountFrame = [backAmountStr textRectWithSize:CGSizeMake(MAXFLOAT, MAXFLOAT) attributes:@{NSFontAttributeName:kTextFont}];
        
        
        UILabel *lblOrderSort = [[UILabel alloc] init];
        NSString *orderSortStr = [NSString stringWithFormat:@"%ld",(long)frame.paymentRankModel.orderSort];
        CGRect orderSortFrame = [orderSortStr textRectWithSize:CGSizeMake(MAXFLOAT, MAXFLOAT) attributes:@{NSFontAttributeName:kTextFont}];
        
        
        UILabel *lblDepartmentName = [[UILabel alloc] init];
        NSString *objectNameStr =[frame.paymentRankModel objectName];
        CGRect objectNameFrame = [objectNameStr textRectWithSize:CGSizeMake(MAXFLOAT, MAXFLOAT) attributes:@{NSFontAttributeName:kTextFont}];
        if(backAmount>=0){
            [self layerToRight:_histogramView withFrame:CGRectMake(Screen_Width/2, fySpacing*(i+1)+height*i,width, height)withColor:[UIColor colorWithRed:96.0/255.0 green:159.0/255.0 blue:233.0/255.0 alpha:1]];
            objectNameFrame.origin.x = xTextSpacing+Screen_Width/2;
            objectNameFrame.origin.y = 5 + fySpacing*(i+1)+height*i;
            backAmountFrame.origin.x = xTextSpacing+Screen_Width/2;
            backAmountFrame.origin.y = CGRectGetMaxY(objectNameFrame);
            orderSortFrame.origin.x = Screen_Width/2-xSpacing;
            orderSortFrame.origin.y = (height - orderSortFrame.size.height)/2 + fySpacing*(i+1)+height*i;
        }
        else if(backAmount < 0){
            [self layerToLeft:_histogramView withFrame:CGRectMake(Screen_Width/2-width, fySpacing*(i+1)+height*i,width, height)withColor:[UIColor colorWithRed:96.0/255.0 green:159.0/255.0 blue:233.0/255.0 alpha:1]];
            objectNameFrame.origin.x = Screen_Width/2-xTextSpacing-CGRectGetWidth(objectNameFrame);
            objectNameFrame.origin.y = 5 + fySpacing*(i+1)+height*i;
            backAmountFrame.origin.x = Screen_Width/2-xTextSpacing-CGRectGetWidth(backAmountFrame);
            backAmountFrame.origin.y = CGRectGetMaxY(objectNameFrame);
            orderSortFrame.origin.x =Screen_Width/2+xTextSpacing;
            orderSortFrame.origin.y = (height - orderSortFrame.size.height)/2 +  fySpacing*(i+1)+height*i;
            
        }
        [self.view addSubview:_histogramView];
        UIView *yAxis=[[UIView alloc]init];
        yAxis.frame=CGRectMake(Screen_Width/2, 0, 2.5, [self getHistogramHeight:_rankList]);
        yAxis.backgroundColor=LineBackgroundColor;
        [_histogramView addSubview:yAxis];
        lblDepartmentName.frame = objectNameFrame;
        lblDepartmentName.font = kTextFont;
        lblDepartmentName.text = objectNameStr;
        [_histogramView addSubview:lblDepartmentName];
        lblOrderSort.frame = orderSortFrame;
        lblOrderSort.font = kTextFont;
        lblOrderSort.text = orderSortStr;
        [_histogramView addSubview:lblOrderSort];
        
        lblBackAmount.textAlignment = NSTextAlignmentRight;
        lblBackAmount.frame = backAmountFrame;
        lblBackAmount.font = kTextFont;
        lblBackAmount.text = backAmountStr;
        [_histogramView addSubview:lblBackAmount];
    }
    
    _scroll.contentSize = CGSizeMake(self.view.frame.size.width, CGRectGetMaxY(_histogramView.frame)+10+rectStatusHeight+rectNavHeight + 150);
    [_scroll addSubview:_histogramView];
    
}


/**
 计算柱状图的高度
 @param dataList <#dataList description#>
 @return <#return value description#>
 */
-(CGFloat)getHistogramHeight:(NSArray*)dataList{
    // 上下间隔已经在frame上做了
    NSInteger row = dataList.count;
    return (row * 40 + (row * 15));
}

@end