OCHomilyChart/App/HC/ViewController.m

//
//  ViewController.m
//  HC
//
//  Created by huilinLi on 2025/11/17.
//

#import "ViewController.h"
#import "HomeViewController.h"

@interface ViewController ()

@property (nonatomic, strong) UIImageView *logoImage;
@property (nonatomic, strong) UILabel *headLabel;// 账号密码登录
@property (nonatomic, strong) UILabel *idLabel;// Homily ID
@property (nonatomic, strong) UILabel *pwdLabel;// 密码
@property (nonatomic, strong) UITextField *account;// 输入框
@property (nonatomic, strong) UITextField *pwd;
@property (nonatomic, strong) UIButton *loginButton;// 登录
@property (nonatomic, strong) UIButton *agreementButton;// 协议
@property (nonatomic, strong) UILabel *agreementLabel;// 协议文字
@property (nonatomic, strong) UILabel *loseLabel;// 忘记密码？
@property (nonatomic, strong) UILabel *questionLabel;// 登录遇到问题？
@property (nonatomic, strong) UIButton *emailButton;// 邮箱登录

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor blackColor];
    self.view.userInteractionEnabled = YES;// 开启视图交互
    [self setupSubviews];
    [self setupConstraints];
    
    NSLog(@"看看导航控制器：%@", self.navigationController ? @"有" : @"哪去了");
}
#pragma mark - 控件
-(void) setupSubviews{
    _headLabel = [[UILabel alloc] init];
    _headLabel.text = @"账号密码登录";
    _headLabel.textColor = [UIColor whiteColor];
    _headLabel.font = [UIFont systemFontOfSize:20];
    _headLabel.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_headLabel];
    
    // 账号
    _idLabel = [[UILabel alloc] init];
    _idLabel.text = @"Homily ID | ";
    _idLabel.textColor = [UIColor whiteColor];
    _idLabel.font = [UIFont systemFontOfSize:16];
    _idLabel.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_idLabel];
    
    // 密码
    _pwdLabel = [[UILabel alloc] init];
    _pwdLabel.text = @"密码          | ";
    _pwdLabel.textColor = [UIColor whiteColor];
    _pwdLabel.font = [UIFont systemFontOfSize:16];
    _pwdLabel.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_pwdLabel];
    
    // 账号输入
    _account = [[UITextField alloc] init];
    NSDictionary *placeholder = @{
        NSForegroundColorAttributeName: [UIColor whiteColor],
        NSFontAttributeName: _account.font
    };
    _account.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@" 请输入帐号" attributes:placeholder];
    _account.textColor = [UIColor whiteColor];
    _account.layer.borderWidth = 0;
    _account.layer.cornerRadius = 5;
    _account.delegate = self;
    _account.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_account];
    
    // 密码输入
    _pwd = [[UITextField alloc] init];
    NSDictionary *placeholderAttrs1 = @{
        NSForegroundColorAttributeName: [UIColor whiteColor],
        NSFontAttributeName: _pwd.font
    };
    _pwd.attributedPlaceholder = [[NSAttributedString alloc] initWithString:@" 请输入密码" attributes:placeholderAttrs1];
    _pwd.secureTextEntry = YES;
    _pwd.textColor = [UIColor whiteColor];
    _pwd.layer.borderWidth = 0;
    _pwd.layer.cornerRadius = 5;
    _pwd.delegate = self;
    _pwd.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_pwd];
    
    // 登录
    _loginButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [_loginButton setTitle:@"登录" forState:UIControlStateNormal];
    [_loginButton setTitle:@"这是一个高亮" forState:UIControlStateHighlighted];
    [_loginButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    [_loginButton setTitleColor:[UIColor yellowColor] forState:UIControlStateHighlighted];
    _loginButton.backgroundColor = [UIColor blueColor];
    _loginButton.layer.cornerRadius = 25;// 圆角是高度一半就是圆形按钮
    _loginButton.translatesAutoresizingMaskIntoConstraints = NO;
    [_loginButton addTarget:self
                     action:@selector(handleLogin)
           forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:_loginButton];
    
    // 协议勾选
    _agreementButton = [UIButton buttonWithType:UIButtonTypeCustom];
    _agreementButton.layer.borderColor = [UIColor whiteColor].CGColor;
    _agreementButton.layer.borderWidth = 1;
    _agreementButton.layer.cornerRadius = 3;
    _agreementButton.translatesAutoresizingMaskIntoConstraints = NO;
    [_agreementButton addTarget:self
                         action:@selector(agreementButtonSelect:)
               forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:_agreementButton];
    
    // 协议
    _agreementLabel = [[UILabel alloc] init];
    _agreementLabel.text = @"我已阅读且同意《注册协议》和《隐私政策》";
    _agreementLabel.textColor = [UIColor whiteColor];
    _agreementLabel.font = [UIFont systemFontOfSize:12];
    _agreementLabel.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_agreementLabel];
    
    // 忘记密码？
    _loseLabel = [[UILabel alloc] init];
    _loseLabel.text = @"忘记密码？";
    _loseLabel.textColor = [UIColor blueColor];
    _loseLabel.font = [UIFont systemFontOfSize:14];
    _loseLabel.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_loseLabel];
    
    // 登录遇到问题？
    _questionLabel = [[UILabel alloc] init];
    _questionLabel.text = @"登录遇到问题？";
    _questionLabel.textColor = [UIColor whiteColor];
    _questionLabel.font = [UIFont systemFontOfSize:14];
    _questionLabel.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:_questionLabel];
    
    // 邮箱登录
    _emailButton = [UIButton buttonWithConfiguration:[self createEmailButtonConfig] primaryAction:nil];
    _emailButton.translatesAutoresizingMaskIntoConstraints = NO;// 禁用自动布局!!!!
    [self.view addSubview:_emailButton];
    
    // logo的image
    _logoImage = [[UIImageView alloc] init];
    _logoImage.image = [UIImage imageNamed:@"logo"];
    _logoImage.contentMode = UIViewContentModeScaleAspectFit;
    _logoImage.translatesAutoresizingMaskIntoConstraints = NO;// 禁用自动布局!!!!
    [self.view addSubview:_logoImage];
    
    [self.view bringSubviewToFront:_account];
    [self.view bringSubviewToFront:_pwd];
}

#pragma mark - 协议选中
- (void) agreementButtonSelect:(UIButton *) button {
    button.selected = !button.selected;
    
    if (button.selected) {
        [button setImage:[UIImage systemImageNamed:@"checkmark"] forState:UIControlStateNormal];
        button.tintColor = [UIColor whiteColor];
        button.backgroundColor = [UIColor blueColor];
    } else {
        [button setImage:nil forState:UIControlStateNormal];
        button.backgroundColor = [UIColor clearColor];
    }
}
#pragma mark - 弹窗提示
// 弹窗
- (void) showAlertWithMessage:(NSString *)message {
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示"
                                                                   message:message
                                                            preferredStyle:UIAlertControllerStyleAlert];
    [alert addAction:[UIAlertAction actionWithTitle:@"确定"
                                              style:UIAlertActionStyleDefault
                                            handler:nil]];
    [self presentViewController:alert animated:YES completion:nil];
}

- (void) handleLogin {
//    NSString *account = _account.text;
//    if (account.length == 0 || ![account isEqualToString:@"90047681"]) {
//        [self showAlertWithMessage:@"请输入正确的账号"];
//        return;
//    }
//    
//    NSString *pwdText = _pwd.text;
//    if (pwdText.length == 0 || ![pwdText isEqualToString:@"123456"]) {
//        [self showAlertWithMessage:@"请输入正确的密码"];
//        return;
//    }
//    
//    if (!_agreementButton.selected) {
//        [self showAlertWithMessage:@"请勾选协议"];
//        return;
//    }

    HomeViewController *homeViewController = [[HomeViewController alloc] init];
    [self.navigationController pushViewController:homeViewController animated:YES];
}

#pragma mark - 约束
- (void) setupConstraints {
    [NSLayoutConstraint activateConstraints:@[
        // logo
        [_logoImage.bottomAnchor constraintEqualToAnchor:_headLabel.topAnchor constant:-30],
        [_logoImage.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:40],
        [_logoImage.widthAnchor constraintEqualToConstant:50],
        [_logoImage.heightAnchor constraintEqualToConstant:50],
        
        // 标题 顶210，左40，宽200，高20
        [_headLabel.topAnchor constraintEqualToAnchor:self.view.topAnchor constant:210],
        [_headLabel.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:40],
        [_headLabel.widthAnchor constraintEqualToConstant:200],
        [_headLabel.heightAnchor constraintEqualToConstant:20],
        
        // ID 顶310，左40，宽200，高20
        [_idLabel.topAnchor constraintEqualToAnchor:self.view.topAnchor constant:310],
        [_idLabel.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:40],
        [_idLabel.widthAnchor constraintEqualToConstant:200],
        [_idLabel.heightAnchor constraintEqualToConstant:20],
        
        // 密码 ID下60，左40，宽200，高20
        [_pwdLabel.topAnchor constraintEqualToAnchor:_idLabel.topAnchor constant:60],
        [_pwdLabel.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:40],
        [_account.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor constant:-40],
        [_pwdLabel.heightAnchor constraintEqualToConstant:20],
        
        // 账号输入框：ID上10，左120，宽200，高40
        [_account.topAnchor constraintEqualToAnchor:_idLabel.topAnchor constant:-10],
        [_account.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:120],
        [_pwd.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor constant:-40],
        [_account.heightAnchor constraintEqualToConstant:40],
        
        // 密码输入框：密码上10，左120，宽200，高40
        [_pwd.topAnchor constraintEqualToAnchor:_pwdLabel.topAnchor constant:-10],
        [_pwd.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:120],
        [_pwd.widthAnchor constraintEqualToConstant:200],
        [_pwd.heightAnchor constraintEqualToConstant:40],
        
        // 登录按钮：密码框下80，左右40，高50
        [_loginButton.topAnchor constraintEqualToAnchor:_pwd.bottomAnchor constant:60],
        [_loginButton.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:40],
        [_loginButton.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor constant:-40],
        [_loginButton.heightAnchor constraintEqualToConstant:50],
        
        // 协议按钮：登录下70，左40，宽高20
        [_agreementButton.topAnchor constraintEqualToAnchor:_loginButton.bottomAnchor constant:30],
        [_agreementButton.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:40],
        [_agreementButton.widthAnchor constraintEqualToConstant:20],
        [_agreementButton.heightAnchor constraintEqualToConstant:20],
        
        // 协议：同协议按钮顶，左70，右40
        [_agreementLabel.topAnchor constraintEqualToAnchor:_agreementButton.topAnchor],
        [_agreementLabel.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:70],
        [_agreementLabel.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor constant:-40],
        [_agreementLabel.heightAnchor constraintEqualToConstant:20],
        
        // 忘记密码：协议按钮下65，水平居中，高20
        [_loseLabel.topAnchor constraintEqualToAnchor:_agreementButton.bottomAnchor constant:65],
        [_loseLabel.centerXAnchor constraintEqualToAnchor:self.view.centerXAnchor],
        [_loseLabel.heightAnchor constraintEqualToConstant:20],
        
        // 登录问题：忘记密码下45，水平居中，高20
        [_questionLabel.topAnchor constraintEqualToAnchor:_loseLabel.bottomAnchor constant:15],
        [_questionLabel.centerXAnchor constraintEqualToAnchor:self.view.centerXAnchor],
        [_questionLabel.heightAnchor constraintEqualToConstant:20],
        
        // 邮箱登录
        [_emailButton.topAnchor constraintEqualToAnchor:_loseLabel.bottomAnchor constant:55],
        [_emailButton.centerXAnchor constraintEqualToAnchor:self.view.centerXAnchor],
        [_emailButton.widthAnchor constraintEqualToConstant:100],
        [_emailButton.heightAnchor constraintEqualToConstant:100],
    ]];
}
// 单写一个
- (UIButtonConfiguration *) createEmailButtonConfig {
    UIButtonConfiguration *config = [UIButtonConfiguration plainButtonConfiguration];
    config.title = @"邮箱登录";
    config.image = [UIImage imageNamed:@"email"];
    config.imagePlacement = NSDirectionalRectEdgeTop;// 这里也不对？？？？
    config.imagePadding = 8;
    
    return config;
}
#pragma mark - UITextFieldDelegate
- (BOOL) textFieldShouldReturn:(UITextField *)textField {
    [textField resignFirstResponder];// 点击return键收起键盘
    return YES;
}

- (void) touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    [self.view endEditing:YES];// 点空白也收起键盘
}

@end