#import <PassKit/PassKit.h>
#import <AddressBook/AddressBook.h>
@interface ViewController ()<PKPaymentAuthorizationViewControllerDelegate>

- (IBAction)payAction:(UIButton *)sender {
    if([PKPaymentAuthorizationViewController canMakePayments]) {
        NSLog(@"支援支付");
        // 我們後面創建出來的支付頁面就是根據這個request
        PKPaymentRequest *request = [[PKPaymentRequest alloc] init];
        // 商品目錄
        PKPaymentSummaryItem *widget1 = [PKPaymentSummaryItem summaryItemWithLabel:@"麻辣燙"
                                                                            amount:[NSDecimalNumber decimalNumberWithString:@"0.01"]];
        PKPaymentSummaryItem *widget2 = [PKPaymentSummaryItem summaryItemWithLabel:@"肯德基"
                                                                            amount:[NSDecimalNumber decimalNumberWithString:@"0.01"]];
        PKPaymentSummaryItem *widget3 = [PKPaymentSummaryItem summaryItemWithLabel:@"海鮮大餐"
                                                                            amount:[NSDecimalNumber decimalNumberWithString:@"0.02"]];
        PKPaymentSummaryItem *widget4 = [PKPaymentSummaryItem summaryItemWithLabel:@"coderqi" amount:[NSDecimalNumber decimalNumberWithString:@"0.03"] type:PKPaymentSummaryItemTypeFinal];
        request.paymentSummaryItems = @[widget1, widget2, widget3, widget4];
//        request.countryCode = @"CN";
//        request.currencyCode = @"CNY";//人民幣
        request.countryCode = @"US";
        request.currencyCode = @"USD";
        request.supportedNetworks = @[PKPaymentNetworkChinaUnionPay, PKPaymentNetworkMasterCard, PKPaymentNetworkVisa];
        // 這裡填的是就是我們建立的merchat IDs
        request.merchantIdentifier = @"merchant.com.coderqi.applepay.pay";
        request.merchantCapabilities = PKMerchantCapabilityEMV;
        //增加郵箱及地址資訊
        request.requiredBillingAddressFields = PKAddressFieldEmail | PKAddressFieldPostalAddress;
        // 根據request去建立支付頁面
        PKPaymentAuthorizationViewController *paymentPane = [[PKPaymentAuthorizationViewController alloc] initWithPaymentRequest:request];
        // 設定代理
        paymentPane.delegate = self;
        if (!paymentPane) {
            NSLog(@"出問題了");
        } else {
            // 模態推出頁面
            [self presentViewController:paymentPane animated:YES completion:nil];
        }
    } else {

        NSLog(@"該裝置不支援支付");
    }
}

#pragma mark ----支付狀態
- (void)paymentAuthorizationViewController:(PKPaymentAuthorizationViewController *)controller
                       didAuthorizePayment:(PKPayment *)payment
                                completion:(void (^)(PKPaymentAuthorizationStatus status))completion{
    /* //這是老版，已過時
    NSError *error;
    ABMultiValueRef addressMultiValue = ABRecordCopyValue(payment.billingAddress ,kABPersonAddressProperty);
    NSDictionary *addressDictionary = (__bridge_transfer NSDictionary *) ABMultiValueCopyValueAtIndex(addressMultiValue, 0);
    //這裡模擬取出地址裡的每一個資訊。
    NSLog(@"%@",addressDictionary[@"State"]);
    NSData *json = [NSJSONSerialization dataWithJSONObject:addressDictionary options:NSJSONWritingPrettyPrinted error: &error];
    // 這裡需要將Token和地址資訊傳送到自己的伺服器上，進行訂單處理，處理之後，根據自己的伺服器返回的結果呼叫completion()程式碼塊，根據傳進去的引數介面的顯示結果會不同
    PKPaymentAuthorizationStatus status; // From your server
    completion(status);
    */
    //這是新版
	//拿到token，
    PKPaymentToken *token = payment.token;
    //拿到訂單地址
    NSString *city = payment.billingContact.postalAddress.city;
    NSLog(@"city:%@",city);
    ///在這裡將token和地址傳送到自己的伺服器，有自己的伺服器與銀行和商家進行介面呼叫和支付將結果返回到這裡
    //我們根據結果生成對應的狀態物件，根據狀態物件顯示不同的支付結構
    //狀態物件
    PKPaymentAuthorizationStatus status = PKPaymentAuthorizationStatusFailure;
    completion(status);
}
#pragma mark ----支付完成
- (void)paymentAuthorizationViewControllerDidFinish:(PKPaymentAuthorizationViewController *)controller {

    // 支付完成後讓支付頁面消失
    [controller dismissViewControllerAnimated:YES completion:nil];
}