//
//  OOSAPIClientTests.swift
//  PSCB-OOS-iOSTests
//
//  Created by Antonov Ilia on 21.10.2020.
//
#if canImport(PassKit)

import Foundation
import PassKit
import XCTest

@testable import PSCBOnline

final class OOSAPIClientTests: XCTestCase {
    
    static let marketPlaceId = "1234567"
    
    let subject = PSCBOnlineClient(environment: .sandbox, marketPlaceId: marketPlaceId, signingKey: "foobar")
    
    // MARK: - OOS Payment request for PKPayment
    func testCreatingRequestWrapper_PKPayment() {
        // given:
        let amount = Decimal(100)
        let orderId = "123"
        let payment = Self.createMockPayment()
        
        // expect: No exception thrown
        XCTAssertNoThrow(try subject.makeRequestWithPayment(payment: payment, amount: amount, orderId: orderId))
        
        // when:
        let request = try! subject.makeRequestWithPayment(payment: payment, amount: amount, orderId: orderId)
        
        // then: Values equals
        XCTAssertEqual(amount, request.payment.amount)
        XCTAssertEqual(orderId, request.payment.orderId)
        XCTAssertEqual(Self.marketPlaceId, request.marketPlaceId)
        
        print("CardData : \(String(describing: request.cardData))")
        
        // and: Card data is ApplePayCardData
        // XCTAssertTrue(request.cardData)
    }
    
    // MARK: - OOS Payment request for CardData
    func testCreatingRequestWrapper_CardData() {
        // given:
        let amount = Decimal(100)
        let orderId = "123"
        let payment = Payment(amount: amount, orderId: orderId)
        let card = Self.createMockCard()
        
        // expect: No exception thrown
        XCTAssertNoThrow(try subject.makeRequestWithCardData(card: card, payment: payment))
        
        // when:
        let request = try! subject.makeRequestWithCardData(card: card, payment: payment)
        
        // then: Values equals
        XCTAssertEqual(amount, request.payment.amount)
        XCTAssertEqual(orderId, request.payment.orderId)
        XCTAssertEqual(Self.marketPlaceId, request.marketPlaceId)
        
        print("CardData : \(String(describing: request.cardData))")
        
        // and: Card data is ApplePayCardData
        // XCTAssertTrue(request.cardData)
    }
    
    // MARK: - Checking JSON from encoded data
    func testEncodingPaymentRequest() {
        // givent:
        let amount = Decimal(100)
        let orderId = "1234"
        let payment = Self.createMockPayment()
        
        // and:
        let request = try! subject.makeRequestWithPayment(payment: payment, amount: amount, orderId: orderId)
        
        // expect:
        XCTAssertNoThrow(try request.serializeToString())
        
        // when:
        let jsonString = try! request.serializeToString()
        
        print("JSON Request: \(jsonString)")
        
        // then:
        XCTAssertTrue(!jsonString.isEmpty)
    }
    
    
    private static func createMockPayment() -> PKPayment {
        let paymentMethod = MockPaymentMethod(type: .debit, network: .visa, displayName: "PSCB Visa")
        let token = MockPaymentToken(paymentMethod: paymentMethod)
        
        return MockPayment(token: token)
    }
    
    private static func createMockCard() -> CardData {
        let current  = Date()
        let calendar = Calendar.current
        
        return CardData(
            pan: "4761120010000492",
            expiryYear: calendar.component(.year, from: current) + 1,
            expiryMonth: calendar.component(.month, from: current),
            cvCode: "533"
        )!
    }
    
}

#endif