KWMAddGiftCardVC.m

//
//  KWMGiftCardVC.m
//  iCemarose
//
//  Created by HouWeiBin on 16/9/27.
//  Copyright © 2016年 kollway. All rights reserved.
//

#import "KWMAddGiftCardVC.h"
#import "KWMStringUtil.h"

@interface KWMAddGiftCardVC ()

@end

@implementation KWMAddGiftCardVC

- (void)viewDidLoad {
    [super viewDidLoad];
    self.title = @"输入礼品卡";
    [self initDiscountTF];
    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onClickBackgroundView:)];
    [self.view addGestureRecognizer:tapGesture];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
}


+(NSString *)kwmTag{
    return @"KWMAddGiftCardVC";
}

//初始化優惠碼textfiled
- (void)initDiscountTF{
    UILabel *leftPaddingView = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 13, 25)];
    UILabel *rightPaddingView = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 10, 25)];
    self.tfDiscount.leftView = leftPaddingView;
    self.tfDiscount.rightView = rightPaddingView;
    self.tfDiscount.leftViewMode = UITextFieldViewModeAlways;
    self.tfDiscount.rightViewMode = UITextFieldViewModeAlways;
    
    [self.tfDiscount addTarget:self action:@selector(textFieldDidChange:) forControlEvents:UIControlEventEditingChanged];
    
    self.tfDiscount.delegate = self;
    
}

- (void)onClickBackgroundView:(UITapGestureRecognizer *)tapGesture{
    [self.tfDiscount resignFirstResponder];
}



-(void)textFieldDidChange :(UITextField *)theTextField{
    if([KWMStringUtil isEmpty:theTextField.text]){
        self.btnClear.hidden = YES;
    }else{
        self.btnClear.hidden = NO;
    }
    NSLog( @"text changed: %@", theTextField.text);
}

-(void)onClickClear:(id)sender{
    self.tfDiscount.text = @"";
    self.btnClear.hidden = YES;
}

-(void)onClickAdd:(id)sender{
    NSString *code = self.tfDiscount.text;
    if([KWMStringUtil isEmpty:code] || code.length<8){
        [self showToast:@"请至少输入8位礼品码～"];
    }else{
        [self addGiftCard:code];
    }
}

-(void)addGiftCard:(NSString *)code{
    if([KWMStringUtil isEmpty:code]){
        return;
    }
    [self showLoading];
    
    [self.client applyGiftCardCode:code toCheckout:self.checkout completion:^(NSDictionary *dictionary, BUYCheckout *checkout, NSError *error) {
        [self hideLoading];
        if (error == nil && checkout) {
            [self showToast:@"添加优惠码成功"];
            NSLog(@"Successfully added gift card");
            self.checkout = checkout;
            if(self.delegate != nil){
                [self.delegate kwm_onClickAddGift:checkout];
            }
            [self.navigationController popViewControllerAnimated:YES];
        }
        else {
            [self showToast:@"添加优惠码失败"];
            [self showError:error];
            NSLog(@"Error applying gift card: %@", error);
        }
    }];

}

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
    NSCharacterSet *cs = [[NSCharacterSet characterSetWithCharactersInString:ALPHANUM] invertedSet];
    NSString *filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""];
    return [string isEqualToString:filtered];
}




@end