//
//  PBunPlanTaskTableViewCell.m
//  IphoneBIMe
//
//  Created by ZhangJF on 2022/8/29.
//  Copyright © 2022 ProBIM. All rights reserved.
//

#import "PBunPlanTaskTableViewCell.h"
#import "PBTaskScheduleModel.h"

#define maxTextCount 200
@interface PBunPlanTaskTableViewCell()<UITextViewDelegate, UIGestureRecognizerDelegate>
@property (nonatomic, weak) UITextView *textView;
@property (nonatomic, weak) UILabel *promptL;
//@property (nonatomic, strong) UIToolbar *kbToolbar;
@property (nonatomic, weak) UILabel *taskNameL;
@end
@implementation PBunPlanTaskTableViewCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        [self setupUI];
    }
    return self;
}
- (void)setupUI {
    UIButton *deleteBtn = [UIButton z_bgImageButton:[UIImage imageNamed:@"delete_task"]];
    [deleteBtn addTarget:self action:@selector(deleteAction) forControlEvents:UIControlEventTouchUpInside];
    [self.contentView addSubview:deleteBtn];
    [deleteBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.contentView).offset(6);
        make.left.equalTo(self.contentView).offset(12);
        make.size.mas_equalTo(CGSizeMake(20, 20));
    }];
    UILabel *taskNameL = [UILabel z_labelWithText:@"任务1" Color:[UIColor z_colorWithR:95 G:158 B:249] isBold:YES Font:14];
    [self.contentView addSubview:taskNameL];
    [taskNameL mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(deleteBtn);
        make.left.equalTo(deleteBtn.mas_right).offset(8);
    }];
    
    UIView *bgView = [[UIView alloc] init];
    bgView.backgroundColor = [UIColor whiteColor];
    [self.contentView addSubview:bgView];
    [bgView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(deleteBtn.mas_bottom).offset(6);
        make.left.equalTo(self.contentView).offset(12);
        make.right.equalTo(self.contentView).offset(-12);
        make.bottom.equalTo(self.contentView).offset(-20);
        make.height.equalTo(@132);
    }];
    bgView.layer.cornerRadius = 4;
    bgView.layer.borderWidth = 1;
    bgView.layer.borderColor = PBColor(108, 108, 108).CGColor;
    
    UITextView *textView = [[UITextView alloc] init];
    textView.textColor= PBColor(40, 58, 79);
    textView.font = [UIFont boldSystemFontOfSize:15];
//    [textView becomeFirstResponder];
    textView.delegate = self;
//    textView.text = _text;
    [bgView addSubview:textView];
    [textView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(bgView).offset(12);
        make.left.equalTo(bgView).offset(12);
        make.right.equalTo(bgView).offset(-12);
        make.bottom.equalTo(bgView).offset(-12);
    }];
//    textView.inputAccessoryView = self.kbToolbar;

    UILabel *promptL= [UILabel z_labelWithText:@"请填写计划外的工作内容" Color:PBColor(97, 111, 125) isBold:YES Font:15];
    [bgView addSubview:promptL];
    [promptL mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(textView).offset(8);
        make.left.equalTo(textView).offset(6);
    }];
//    if (_text.length != 0) {
//        promptL.hidden = YES;
//    }
//    self.topView = topView;
    self.textView = textView;
    self.promptL = promptL;
    self.taskNameL = taskNameL;
}
- (void)deleteAction {
    if (self.DeleteBlock) {
        self.DeleteBlock();
    }
}
#pragma mark - UITextViewDelete
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range
 replacementText:(NSString *)text {
    NSLog(@"%zd",textView.text.length);
    NSLog(@"===shouldChangeText");
    UITextRange *selectedRange = [textView markedTextRange];
    //获取高亮部分
    UITextPosition *pos = [textView positionFromPosition:selectedRange.start offset:0];
    //获取高亮部分内容
    //NSString * selectedtext = [textView textInRange:selectedRange];
    //如果有高亮且当前字数开始位置小于最大限制时允许输入
    if (selectedRange && pos) {
        NSInteger startOffset = [textView offsetFromPosition:textView.beginningOfDocument toPosition:selectedRange.start];
        NSInteger endOffset = [textView offsetFromPosition:textView.beginningOfDocument toPosition:selectedRange.end];
        NSRange offsetRange = NSMakeRange(startOffset, endOffset - startOffset);
        if (offsetRange.location < maxTextCount) {
            return YES;
        }
        else{
            return NO;
        }
    }
    NSString *comcatstr = [textView.text stringByReplacingCharactersInRange:range withString:text];
    NSInteger caninputlen = maxTextCount - comcatstr.length;
    if (caninputlen >= 0){
        return YES;
    }else{
        NSInteger len = text.length + caninputlen;
        //防止当text.length + caninputlen < 0时，使得rg.length为一个非法最大正数出错
        NSRange rg = {0,MAX(len,0)};
        if (rg.length > 0){
            NSString *s = @"";
            //判断是否只普通的字符或asc码(对于中文和表情返回NO)
            BOOL asc = [text canBeConvertedToEncoding:NSASCIIStringEncoding];
            if (asc) {
                s = [text substringWithRange:rg];//因为是ascii码直接取就可以了不会错
            }else{
                __block NSInteger idx = 0;
                __block NSString  *trimString = @"";//截取出的字串
                //使用字符串遍历，这个方法能准确知道每个emoji是占一个unicode还是两个
                [text enumerateSubstringsInRange:NSMakeRange(0, [text length])
                                         options:NSStringEnumerationByComposedCharacterSequences
                                      usingBlock: ^(NSString* substring, NSRange substringRange, NSRange enclosingRange, BOOL* stop) {
                                          if (idx >= rg.length) {
                                              *stop = YES; //取出所需要就break，提高效率
                                              return ;
                                          }
                                          trimString = [trimString stringByAppendingString:substring];
                                          idx++;
                                      }];
                s = trimString;
            }
            //rang是指从当前光标处进行替换处理(注意如果执行此句后面返回的是YES会触发didchange事件)
            [textView setText:[textView.text stringByReplacingCharactersInRange:range withString:s]];
            //既然是超出部分截取了，哪一定是最大限制了。
//            self.textLengthL.text = [NSString stringWithFormat:@"%d/%ld",0,(long)maxTextCount];
        }
        return NO;
    }
}


- (void)textViewDidChange:(UITextView *)textView{
    if (textView.text.length == 0) {
        self.promptL.hidden = NO;
    }else {
        self.promptL.hidden = YES;
    }
    NSLog(@"===DidChangeText");
    UITextRange *selectedRange = [textView markedTextRange];
    //获取高亮部分
    UITextPosition *pos = [textView positionFromPosition:selectedRange.start offset:0];
    //如果在变化中是高亮部分在变，就不要计算字符了
    if (selectedRange && pos) {
        return;
    }
    NSString  *nsTextContent = textView.text;
    NSInteger existTextNum = nsTextContent.length;
    if (existTextNum > maxTextCount){
        //截取到最大位置的字符(由于超出截部分在should时被处理了所在这里这了提高效率不再判断)
        NSString *s = [nsTextContent substringToIndex:maxTextCount];
        [textView setText:s];
    }
    self.taskScheduleModel.NoProgress_Name = textView.text;
    //不让显示负数 口口日
//    self.textLengthL.text = [NSString stringWithFormat:@"%ld/%d",MAX(0,maxTextCount - existTextNum),maxTextCount];
}
//- (BOOL)textViewShouldEndEditing:(UITextView *)textView {
//    if (self.endEditBlock) {
//        self.endEditBlock(textView.text);
//    }
//    return YES;
//}

- (void)setTaskScheduleModel:(PBTaskScheduleModel *)taskScheduleModel {
    _taskScheduleModel = taskScheduleModel;
    self.textView.text = taskScheduleModel.NoProgress_Name;
    if (self.textView.text.length == 0) {
        self.promptL.hidden = NO;
    }else {
        self.promptL.hidden = YES;
    }
//    if (examineAddModel.isAddExamine) {
        self.textView.editable = YES;
//    }else {
//        self.textView.editable = NO;
//    }
}
- (void)setTaskIndex:(NSInteger)taskIndex {
    _taskIndex = taskIndex;
    self.taskNameL.text = [NSString stringWithFormat:@"任务%zd",taskIndex];
}
//- (UIToolbar *) kbToolbar {
//    if (_kbToolbar == nil) {
//        _kbToolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, MainScreenWidth, 44)];
//        UIBarButtonItem *doneItem = [[UIBarButtonItem alloc] initWithTitle:@"完成" style:UIBarButtonItemStyleDone target:self action:@selector(closeKeyboard)];
//        _kbToolbar.items = @[[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil], doneItem];
//    }
//    return _kbToolbar;
//}

//- (void)closeKeyboard {
//    [self endEditing:YES];
//}
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];

    // Configure the view for the selected state
}


@end