//
//  WTListButton.m
//  me_watch
//
//  Created by yuklng on 2017/1/20.
//  Copyright © 2017年 yuklng. All rights reserved.
//

#import "WTListButton.h"
#import "UIView+Extension.h"

#import "WTListButtonCell.h"

@interface WTListButton()<UITableViewDelegate,UITableViewDataSource>

@end

@implementation WTListButton{
    UITableView* choose_table;
    UIImageView* xialaImg;

    BOOL isShow;
}


#pragma mark 初始化
- (instancetype)init
{
    self = [self initWithList:@[] frame:CGRectMake(0, 0, 0, 0)];
    
    return self;
}

-(instancetype)initWithFrame:(CGRect)frame{
    return [self initWithList:@[] frame:frame];
}


-(instancetype)initWithList:(NSArray *)text_list frame:(CGRect)frame{
    self =[super initWithFrame:frame];
    if (self) {
        _text_list    =[[NSArray alloc] initWithArray:text_list];
        
        self.clickOnClose =YES;
        
        isShow        =NO;
        
        self.curIndex =0;
        
    }
    return self;
}


// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    [self setTable];
    if (choose_table) {
        [choose_table reloadData];
    }
}

#pragma mark 设置table
-(void)setTable{
    if (!choose_table) {
        choose_table =[[UITableView alloc] initWithFrame:self.bounds];
        choose_table.x      =self.frame.origin.x;
        choose_table.y      =self.getAbsoluteY + 20;
        choose_table.width  =self.width;
        choose_table.height =self.height*[_text_list count];
        choose_table.delegate =self;
        choose_table.dataSource =self;
        choose_table.layer.borderColor =[UIColor grayColor].CGColor;
        choose_table.layer.borderWidth =0.2;
        choose_table.layer.cornerRadius =5.0;
        choose_table.layer.masksToBounds=YES;
        
        choose_table.separatorStyle = NO;
        
    }
}


#pragma mark UITableViewDelegate
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return [_text_list count];
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    return self.height;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    NSString *cellIdentifier = @"cell";
    
    WTListButtonCell * cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
    
    if (cell == nil)
    {
        cell = [[WTListButtonCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];
        cell.textLabel.textColor =[UIColor blackColor];
        cell.selectionStyle = UITableViewCellSelectionStyleNone;
        
        UIFont* newFont          =[UIFont preferredFontForTextStyle:UIFontTextStyleBody];
        UIFontDescriptor* ctfFont =newFont.fontDescriptor;
        NSNumber* fontString     =[ctfFont objectForKey:@"NSFontSizeAttribute"];
        
        cell.textLabel.font      =[UIFont systemFontOfSize:fontString.floatValue-1];
        cell.textLabel.textAlignment = NSTextAlignmentCenter;
    }
    
    
    cell.textLabel.text =_text_list[indexPath.row];
    
    if ([cell respondsToSelector:@selector(setSeparatorInset:)])
    {
        [cell setSeparatorInset:UIEdgeInsetsZero];
    }
    
    if ([cell respondsToSelector:@selector(setLayoutMargins:)])
    {
        [cell setLayoutMargins:UIEdgeInsetsZero];
    }
   
    return cell;
}

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (indexPath.row ==self.curIndex) {
        [cell setSelected:YES animated:NO];
    }
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{

    [self hideAnimation];

    
    if (self.block && indexPath.row != self.curIndex) {
        self.curIndex = indexPath.row;
        [self setTitle:_text_list[indexPath.row] forState:UIControlStateNormal];
        self.block(self, indexPath.row);
    }
    
}

#pragma mark view_action
- (void)show{
    if (_text_list.count > 1) {
//        isShow = YES;
        
        NSIndexPath* curIndexPath =[NSIndexPath indexPathForRow:0 inSection:self.curIndex];
        [choose_table selectRowAtIndexPath:curIndexPath animated:NO scrollPosition:UITableViewScrollPositionNone];
        
        [[self topView] addSubview:choose_table];
        
//        NSIndexPath* curIndexPath =[NSIndexPath indexPathForRow:0 inSection:self.curIndex];
////        [choose_table selectRowAtIndexPath:curIndexPath animated:YES scrollPosition:UITableViewScrollPositionTop];
//        [[choose_table cellForRowAtIndexPath:curIndexPath] setSelected:YES animated:YES];
//        [choose_table reloadData];
        
        if ([choose_table respondsToSelector:@selector(setSeparatorInset:)])
        {
            [choose_table setSeparatorInset:UIEdgeInsetsZero];
        }
        if ([choose_table respondsToSelector:@selector(setLayoutMargins:)])
            
        {
            [choose_table setLayoutMargins:UIEdgeInsetsZero];
        }
        if (choose_table) {
            [choose_table reloadData];
        }
    }
}

- (void)show:(UIViewController*)vc{
    if (_text_list.count > 1) {
        [vc.view addSubview:choose_table];
        if ([choose_table respondsToSelector:@selector(setSeparatorInset:)])
        {
            [choose_table setSeparatorInset:UIEdgeInsetsZero];
        }
        if ([choose_table respondsToSelector:@selector(setLayoutMargins:)])
            
        {
            [choose_table setLayoutMargins:UIEdgeInsetsZero];
        }
        if (choose_table) {
            [choose_table reloadData];
        }
    }
}

//去除该组件
- (void)hideAnimation{
    isShow = NO;
    [choose_table removeFromSuperview];
}

-(void)setText_list:(NSArray *)text_list{
    _text_list =[[NSArray alloc] initWithArray:text_list];
    if (choose_table) {
        choose_table.height =self.height*[_text_list count];
        [choose_table reloadData];
    }
}

-(void)setText_list:(NSArray *)text_list block:(BlockListBtnClick)block{
    self.curIndex = [text_list indexOfObject:self.titleLabel.text];
    [self setText_list:text_list];
    
    if (!xialaImg) {
        xialaImg = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"xiala"]];
        [self addSubview:xialaImg];
        
//        xialaImg.size
//        xialaImg.x = self.width - 30;
//        xialaImg.centerY = self.centerY;
    }
    if (text_list.count > 1) {
        xialaImg.hidden = NO;
    }else{
        xialaImg.hidden = YES;
    }
//    //交换文字和图片的位置
//    [self setTitleEdgeInsets:UIEdgeInsetsMake(0, -self.imageView.image.size.width,
//                                              0, self.imageView.image.size.width)];
//    [self setImageEdgeInsets:UIEdgeInsetsMake(0, self.titleLabel.frame.size.width + 5,
//                                              0, -self.titleLabel.frame.size.width)];
    
    if (block) {
        self.block = block;
    }
    [self addTarget:self action:@selector(action) forControlEvents:UIControlEventTouchDown];
}

- (void)action{
    if (isShow) {
        [self hideAnimation];
    }else{
        isShow = YES;
        [self show];
    }
}

//获取根视图
-(UIView*)topView{
    UIViewController *rootViewController = [UIApplication sharedApplication].keyWindow.rootViewController;
    return rootViewController.view;
    
}


@end