WePay.h

//
//  WePay.h
//  WePay
//
//  Created by Chaitanya Bagaria on 10/30/14.
//  Copyright (c) 2014 WePay. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

#import "WPAddress.h"
#import "WPConfig.h"
#import "WPPaymentInfo.h"
#import "WPPaymentToken.h"
#import "WPAuthorizationInfo.h"

@class WPConfig;
@class WPPaymentInfo;
@class WPPaymentToken;

// Environments
extern NSString * const kWPEnvironmentStage;
extern NSString * const kWPEnvironmentProduction;

// Payment Methods
extern NSString * const kWPPaymentMethodSwipe;
extern NSString * const kWPPaymentMethodManual;
extern NSString * const kWPPaymentMethodDip;

// Card Reader status
extern NSString * const kWPCardReaderStatusSearching;
extern NSString * const kWPCardReaderStatusNotConnected;
extern NSString * const kWPCardReaderStatusConnected;
extern NSString * const kWPCardReaderStatusCheckingReader;
extern NSString * const kWPCardReaderStatusConfiguringReader;
extern NSString * const kWPCardReaderStatusWaitingForCard;
extern NSString * const kWPCardReaderStatusShouldNotSwipeEMVCard;
extern NSString * const kWPCardReaderStatusCheckCardOrientation;
extern NSString * const kWPCardReaderStatusChipErrorSwipeCard;
extern NSString * const kWPCardReaderStatusSwipeErrorSwipeAgain;
extern NSString * const kWPCardReaderStatusSwipeDetected;
extern NSString * const kWPCardReaderStatusCardDipped;
extern NSString * const kWPCardReaderStatusTokenizing;
extern NSString * const kWPCardReaderStatusAuthorizing;
extern NSString * const kWPCardReaderStatusStopped;

// Currency Codes
extern NSString * const kWPCurrencyCodeUSD;

@protocol WPAuthorizationDelegate <NSObject>
@required
- (void) paymentInfo:(WPPaymentInfo *)paymentInfo
        didAuthorize:(WPAuthorizationInfo *)authorizationInfo;

- (void) paymentInfo:(WPPaymentInfo *)paymentInfo
didFailAuthorization:(NSError *)error;

@end

@protocol WPTokenizationDelegate <NSObject>

- (void) paymentInfo:(WPPaymentInfo *)paymentInfo
         didTokenize:(WPPaymentToken *)paymentToken;

- (void) paymentInfo:(WPPaymentInfo *)paymentInfo
 didFailTokenization:(NSError *)error;


@optional

- (void) insertPayerEmailWithCompletion:(void (^)(NSString *email))completion;

@end


@protocol WPCardReaderDelegate <NSObject>
@required
- (void) selectEMVApplication:(NSArray *)applications
                   completion:(void (^)(NSInteger selectedIndex))completion;

- (void) didReadPaymentInfo:(WPPaymentInfo *)paymentInfo;

- (void) didFailToReadPaymentInfoWithError:(NSError *)error;


- (void) selectCardReader:(NSArray *)cardReaderNames
               completion:(void (^)(NSInteger selectedIndex))completion;

@optional
- (void) cardReaderDidChangeStatus:(id)status;

- (void) shouldResetCardReaderWithCompletion:(void (^)(BOOL shouldReset))completion;

- (void) authorizeAmountWithCompletion:(void (^)(NSDecimalNumber *amount, NSString *currencyCode, long accountId))completion;

@end


@protocol WPCheckoutDelegate <NSObject>

- (void) didStoreSignature:(NSString *)signatureUrl
             forCheckoutId:(NSString *)checkoutId;

- (void) didFailToStoreSignatureImage:(UIImage *)image
                        forCheckoutId:(NSString *)checkoutId
                            withError:(NSError *)error;

@end


@protocol WPBatteryLevelDelegate <NSObject>

- (void) didGetBatteryLevel:(int)batteryLevel;

- (void) didFailToGetBatteryLevelwithError:(NSError *)error;

@end


@interface WePay : NSObject

@property (nonatomic, strong, readonly) WPConfig *config;


- (instancetype) initWithConfig:(WPConfig *)config;


#pragma mark -
#pragma mark Tokenization



- (void) tokenizePaymentInfo:(WPPaymentInfo *)paymentInfo
        tokenizationDelegate:(id<WPTokenizationDelegate>)tokenizationDelegate;



#pragma mark -
#pragma mark Card Reader


- (void) startTransactionForReadingWithCardReaderDelegate:(id<WPCardReaderDelegate>) cardReaderDelegate;

- (void) startTransactionForTokenizingWithCardReaderDelegate:(id<WPCardReaderDelegate>) cardReaderDelegate
                                        tokenizationDelegate:(id<WPTokenizationDelegate>) tokenizationDelegate
                                       authorizationDelegate:(id<WPAuthorizationDelegate>) authorizationDelegate;

- (void) stopCardReader;


#pragma mark -
#pragma mark Checkout


- (void) storeSignatureImage:(UIImage *)image
               forCheckoutId:(NSString *)checkoutId
            checkoutDelegate:(id<WPCheckoutDelegate>) checkoutDelegate;


#pragma mark -
#pragma mark Battery Level


- (void) getCardReaderBatteryLevelWithCardReaderDelegate:(id<WPCardReaderDelegate>) cardReaderDelegate
                                    batteryLevelDelegate:(id<WPBatteryLevelDelegate>) batteryLevelDelegate;


#pragma mark -
#pragma mark Remember card reader


- (NSString *) getRememberedCardReader;

- (void) forgetRememberedCardReader;


@end