//
//  JZFeedBackViewController.m
//  JIZHANG
//
//  Created by jikaipeng on 2017/10/19.
//  Copyright © 2017年 kuxuan. All rights reserved.
//

#import "JZFeedBackViewController.h"

@interface JZFeedBackViewController ()<UITextViewDelegate,UITextFieldDelegate>

@property (nonatomic, strong) UITextView *textView;

@property (nonatomic, strong) UITextField *textField;

@property (nonatomic, strong) UIButton *referButton;

@property (nonatomic, copy) NSString *adviceText;

@property (nonatomic, copy) NSString *user_contactText;

@end

@implementation JZFeedBackViewController

{
    UILabel *_placeLabel;
    UILabel *_shouldInputLabel;
}


- (void)viewDidLoad {
    [super viewDidLoad];
    self.navigationController.navigationBar.hidden = NO;
    // Do any additional setup after loading the view.
    self.navTitle = @"意见反馈";
    self.view.backgroundColor= [UIColor JZColorWithRed:239 green:239 blue:244];
    [self setNavigation];
    [self setUpUI];
}

#pragma mark - event handle

- (void)setNavigation{
    [self addLeftBarButtonItemWithImageName:@"mine_back" title:@"返回" target:self selector:@selector(backAction)];
}

- (void)backAction{
    [self.navigationController popViewControllerAnimated:YES];
}

- (void)referAction{
    
    NSString *urlString = [NSString stringWithFormat:@"%@/addUserMessage",URL];
    if (self.adviceText.length && self.user_contactText.length) {
        NSDictionary *params = @{@"message":self.adviceText,@"user_contact":self.user_contactText};
        [JZHttp post:urlString params:params success:^(id json) {
            if (json) {
                [self.navigationController popViewControllerAnimated:YES];
                [NSThread sleepForTimeInterval:0.5];
                [MBProgressHUD showSuccess:@"您的意见，程序员哥哥已经收到,谢谢您的支持"];
            }
        } failure:^(NSError *error) {
            [MBProgressHUD showError:@"提交失败,请重新提交，谢谢"];

        }];
    }
}

- (void)setUpUI{
    _textView = [[UITextView alloc] init];
    _textView.font = [UIFont systemFontOfSize:14];
    _textView.textColor = [UIColor titleColor];
    _textView.backgroundColor = [UIColor whiteColor];
    _textView.delegate = self;
    
    _textField = [[UITextField alloc] init];
    _textField.font = FONT_SYS(14);
    _textField.textColor = [UIColor titleColor];
    _textField.backgroundColor = [UIColor whiteColor];
    NSAttributedString *textFieldAtt = [[NSAttributedString alloc] initWithString:@"请填写您的邮箱或者微信号，以便我们给您回复" attributes:@{NSForegroundColorAttributeName:[UIColor JZColorWithHex:0x999999]}];
    _textField.attributedPlaceholder = textFieldAtt;
    [_textField addTarget:self action:@selector(textFieldDidChange:) forControlEvents:UIControlEventEditingChanged];
    
    UILabel *wxLabel = [[UILabel alloc] initWithFrame:CGRectZero];
    wxLabel.font = FONT_SYS(14);
    wxLabel.textColor = [UIColor middleTitleColor];
    wxLabel.text = @"您的邮箱或者微信号：";
    
    _placeLabel = [[UILabel alloc] init];
    _placeLabel.font = [UIFont systemFontOfSize:14];
    _placeLabel.textColor = [UIColor JZColorWithHex:0x999999];
    _placeLabel.text = @"我们将尽快处理您的反馈,您可以留下您的微信号或者添加客服MM微信:qianduoduojizhang,详细咨询,感谢支持!";
    _placeLabel.numberOfLines = 0;
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc]init];
    paragraphStyle.lineBreakMode = NSLineBreakByCharWrapping;
    NSDictionary *attributes = @{NSParagraphStyleAttributeName:paragraphStyle};
    _placeLabel.attributedText = [[NSAttributedString alloc]initWithString:_placeLabel.text attributes:attributes];
    [_placeLabel sizeToFit];
    
    _shouldInputLabel = [[UILabel alloc] init];
    _shouldInputLabel.font = [UIFont systemFontOfSize:14];
    _shouldInputLabel.textColor = [UIColor JZColorWithHex:0x666666];
    _shouldInputLabel.text = @"还可输入100字";
    [_textView addSubview:_placeLabel];
    
    _referButton = [[UIButton alloc]init];
    _referButton.backgroundColor = [UIColor baseColor];
    _referButton.layer.cornerRadius = 12;
    _referButton.layer.masksToBounds = YES;
    _referButton.enabled = NO;
    _referButton.alpha = 0.4;
    
    [_referButton addTarget:self action:@selector(referAction) forControlEvents:UIControlEventTouchUpInside];
    NSAttributedString *attributeString = [[NSAttributedString alloc] initWithString:@"提交" attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:16],NSForegroundColorAttributeName:[UIColor blackColor
                                                                                                                                                                         ]}];
    [_referButton setAttributedTitle:attributeString forState:UIControlStateNormal];
    // 兼容iOS 8
    if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.3 ) {
        //使用KVC赋值
        [_textView setValue:_placeLabel forKey:@"_placeholderLabel"];
    }
    [_textView addSubview:_shouldInputLabel];
    [self.view addSubview:_textView];
    [self.view addSubview:_shouldInputLabel];
    [self.view addSubview:wxLabel];
    [self.view addSubview:_textField];
    [self.view addSubview:self.referButton];
    [_textView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.view.mas_top).offset(16);
        make.left.equalTo(self.view.mas_left).offset(15);
        make.right.equalTo(self.view.mas_right).offset(-15);
        make.height.mas_equalTo(180);
    }];
    
//    [_placeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.top.equalTo(self.view.mas_top).offset(20);
//        make.left.equalTo(self.view.mas_left).offset(20);
//        make.right.equalTo(self.view.mas_right).offset(-20);
//    }];
    
    [_shouldInputLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.textView.mas_right).offset(-15);
        make.bottom.equalTo(self.textView.mas_bottom).offset(-16);
    }];
    
    [wxLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.textView);
        make.top.equalTo(self.textView.mas_bottom).offset(16);
    }];
    
    [_textField mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.and.right.equalTo(self.textView);
        make.top.equalTo(wxLabel.mas_bottom).offset(16);
        make.height.equalTo(@50);
    }];
    
    [_referButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.textField.mas_bottom).offset(56);
        make.height.equalTo(@50);
        make.left.equalTo(self.textView.mas_left);
        make.right.equalTo(self.textView.mas_right);
    }];
    
}

#pragma mark textview delegate

// 监控文本框文字改变
- (void)textViewDidChange:(UITextView *)textView {
    NSString *string = textView.text;
    if (self.textField.text.length) {
        self.referButton.enabled = YES;
        self.referButton.alpha = 1;
    }
    else {
        self.referButton.enabled = NO;
        self.referButton.alpha = 0.4;
    }
    if (string.length == 0) {
        _shouldInputLabel.text = @"还可输入100字";
        _referButton.enabled = NO;
        _referButton.alpha = 0.4;
    }
    else if (string.length < 100) {
        if (self.textField.text.length) {
            self.referButton.enabled = YES;
            self.referButton.alpha = 1;
        }
        NSUInteger length = 100 - string.length;
        _shouldInputLabel.text = [NSString stringWithFormat:@"还可输入%ld字",length];
    }
    else if (string.length > 100) {
        _textView.text = [_textView.text substringToIndex:100];
    }
    self.adviceText = textView.text;
}

- (void)textFieldDidChange:(UITextField *)textField {
    NSString *string = textField.text;
    if (self.textView.text.length) {
        self.referButton.enabled = YES;
        self.referButton.alpha = 1;
    }
    else {
        self.referButton.enabled = NO;
        self.referButton.alpha = 0.4;
    }
    if (string.length == 0) {
        _referButton.enabled = NO;
        _referButton.alpha = 0.4;
    }
    else if (self.textView.text.length) {
        self.referButton.enabled = YES;
        self.referButton.alpha = 1;
    }
    self.user_contactText = textField.text;
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    [[[UIApplication sharedApplication] keyWindow] endEditing:YES];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

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}
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}
@end