//
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import XCTest
@testable import MSAL
@_implementationOnly import MSAL_Private

class MSALNativeAuthCacheAccessorMock: MSALNativeAuthCacheInterface {
    var tokenCache: MSIDDefaultTokenCacheAccessor
    var accountMetadataCache: MSIDAccountMetadataCacheAccessor

    required init(tokenCache: MSIDDefaultTokenCacheAccessor, accountMetadataCache: MSIDAccountMetadataCacheAccessor) {
        self.tokenCache = tokenCache
        self.accountMetadataCache = accountMetadataCache
    }

    convenience init() {
        let dataSource = MSIDKeychainTokenCache()
        let tokenCache = MSIDDefaultTokenCacheAccessor(dataSource: dataSource, otherCacheAccessors: [])

        let accountMetadataCache = MSIDAccountMetadataCacheAccessor(dataSource: MSIDKeychainTokenCache())

        self.init(tokenCache: tokenCache!, accountMetadataCache: accountMetadataCache!)
    }

    enum E: Error {
        case notImplemented
        case noAccount
        case noTokens
    }

    private(set) var validateAndSaveTokensWasCalled = false
    private(set) var clearCacheWasCalled = false
    var expectedMSIDTokenResult: MSIDTokenResult?
    var mockUserAccounts: [MSALAccount]?
    var mockIdToken: String?

    
    func getIdToken(
        account: MSALAccount, configuration: MSIDConfiguration, context: MSIDRequestContext) throws -> String? {
        guard let mockIdToken = mockIdToken else {
            throw E.noTokens
        }
        return mockIdToken
    }

    func getAllAccounts(configuration: MSIDConfiguration) throws -> [MSALAccount] {
        guard let mockUserAccounts = mockUserAccounts else {
            throw E.noAccount
        }
        return mockUserAccounts
    }

    func validateAndSaveTokensAndAccount(tokenResponse: MSIDTokenResponse, configuration: MSIDConfiguration, context: MSIDRequestContext) throws -> MSIDTokenResult? {
        validateAndSaveTokensWasCalled = true
        return expectedMSIDTokenResult
    }

    func removeTokens(accountIdentifier: MSIDAccountIdentifier, authority: MSIDAuthority, clientId: String, context: MSIDRequestContext) throws {
        throw E.notImplemented
    }

    func clearCache(accountIdentifier: MSIDAccountIdentifier, authority: MSIDAuthority, clientId: String, context: MSIDRequestContext) throws {
        clearCacheWasCalled = true
    }
}
