//
// Copyright 2021 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

import XCTest
import RiotSwiftUI

class AuthenticationSoftLogoutUITests: MockScreenTest {

    override class var screenType: MockScreenState.Type {
        return MockAuthenticationSoftLogoutScreenState.self
    }

    override class func createTest() -> MockScreenTest {
        return AuthenticationSoftLogoutUITests(selector: #selector(verifyAuthenticationSoftLogoutScreen))
    }

    func verifyAuthenticationSoftLogoutScreen() throws {
        guard let screenState = screenState as? MockAuthenticationSoftLogoutScreenState else { fatalError("no screen") }
        switch screenState {
        case .emptyPassword:
            verifyEmptyPassword()
        case .enteredPassword:
            verifyEnteredPassword()
        case .ssoOnly:
            verifySSOOnly()
        case .noSSO:
            verifyNoSSO()
        case .fallback:
            verifyFallback()
        case .noKeyBackup:
            verifyNoKeyBackup()
        }
    }
    
    func verifyEmptyPassword() {
        XCTAssertTrue(app.staticTexts["titleLabel"].exists, "The title should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel1"].exists, "The message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel2"].exists, "The message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataTitleLabel"].exists, "The clear data title should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage1Label"].exists, "The clear data message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage2Label"].exists, "The clear data message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["orLabel"].exists, "The or label for SSO should be shown.")
        
        let passwordTextField = app.secureTextFields["passwordTextField"]
        XCTAssertTrue(passwordTextField.exists, "The password text field should be shown.")
        XCTAssertEqual(passwordTextField.label, "Password", "The password text field should be showing the placeholder before text is input.")
        
        let loginButton = app.buttons["loginButton"]
        XCTAssertTrue(loginButton.exists, "The login button should be shown.")
        XCTAssertFalse(loginButton.isEnabled, "The login button should be disabled before text is input.")

        let forgotPasswordButton = app.buttons["forgotPasswordButton"]
        XCTAssertTrue(forgotPasswordButton.exists, "The forgot password button should be shown.")
        XCTAssertTrue(forgotPasswordButton.isEnabled, "The forgot password button should be enabled.")

        let fallbackButton = app.buttons["fallbackButton"]
        XCTAssertFalse(fallbackButton.exists, "The fallback button should not be shown.")

        let clearDataButton = app.buttons["clearDataButton"]
        XCTAssertTrue(clearDataButton.exists, "The clear data button should be shown.")
        XCTAssertTrue(clearDataButton.isEnabled, "The clear data button should be enabled.")

        let ssoButtons = app.buttons.matching(identifier: "ssoButton")
        XCTAssertGreaterThan(ssoButtons.count, 0, "There should be at least 1 SSO button shown.")
    }

    func verifyEnteredPassword() {
        XCTAssertTrue(app.staticTexts["titleLabel"].exists, "The title should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel1"].exists, "The message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel2"].exists, "The message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataTitleLabel"].exists, "The clear data title should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage1Label"].exists, "The clear data message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage2Label"].exists, "The clear data message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["orLabel"].exists, "The or label for SSO should be shown.")

        let passwordTextField = app.secureTextFields["passwordTextField"]
        XCTAssertTrue(passwordTextField.exists, "The password text field should be shown.")
        XCTAssertEqual(passwordTextField.value as? String, "••••••••", "The text field should be showing the placeholder before text is input.")

        let loginButton = app.buttons["loginButton"]
        XCTAssertTrue(loginButton.exists, "The login button should be shown.")
        XCTAssertTrue(loginButton.isEnabled, "The login button should be enabled after text is input.")

        let forgotPasswordButton = app.buttons["forgotPasswordButton"]
        XCTAssertTrue(forgotPasswordButton.exists, "The forgot password button should be shown.")
        XCTAssertTrue(forgotPasswordButton.isEnabled, "The forgot password button should be enabled.")

        let fallbackButton = app.buttons["fallbackButton"]
        XCTAssertFalse(fallbackButton.exists, "The fallback button should not be shown.")

        let clearDataButton = app.buttons["clearDataButton"]
        XCTAssertTrue(clearDataButton.exists, "The clear data button should be shown.")
        XCTAssertTrue(clearDataButton.isEnabled, "The clear data button should be enabled.")

        let ssoButtons = app.buttons.matching(identifier: "ssoButton")
        XCTAssertGreaterThan(ssoButtons.count, 0, "There should be at least 1 SSO button shown.")
    }

    func verifySSOOnly() {
        XCTAssertTrue(app.staticTexts["titleLabel"].exists, "The title should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel1"].exists, "The message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel2"].exists, "The message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataTitleLabel"].exists, "The clear data title should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage1Label"].exists, "The clear data message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage2Label"].exists, "The clear data message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["orLabel"].exists, "The or label for SSO should be shown.")

        let passwordTextField = app.secureTextFields["passwordTextField"]
        XCTAssertFalse(passwordTextField.exists, "The password text field should not be shown.")

        let loginButton = app.buttons["loginButton"]
        XCTAssertFalse(loginButton.exists, "The login button should not be shown.")

        let forgotPasswordButton = app.buttons["forgotPasswordButton"]
        XCTAssertFalse(forgotPasswordButton.exists, "The forgot password button should not be shown.")

        let fallbackButton = app.buttons["fallbackButton"]
        XCTAssertFalse(fallbackButton.exists, "The fallback button should not be shown.")

        let clearDataButton = app.buttons["clearDataButton"]
        XCTAssertTrue(clearDataButton.exists, "The clear data button should be shown.")
        XCTAssertTrue(clearDataButton.isEnabled, "The clear data button should be enabled.")

        let ssoButtons = app.buttons.matching(identifier: "ssoButton")
        XCTAssertGreaterThan(ssoButtons.count, 0, "There should be at least 1 SSO button shown.")
    }

    func verifyNoSSO() {
        XCTAssertTrue(app.staticTexts["titleLabel"].exists, "The title should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel1"].exists, "The message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel2"].exists, "The message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataTitleLabel"].exists, "The clear data title should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage1Label"].exists, "The clear data message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage2Label"].exists, "The clear data message 2 should be shown.")
        XCTAssertFalse(app.staticTexts["orLabel"].exists, "The or label for SSO should not be shown.")

        let passwordTextField = app.secureTextFields["passwordTextField"]
        XCTAssertTrue(passwordTextField.exists, "The password text field should be shown.")

        let loginButton = app.buttons["loginButton"]
        XCTAssertTrue(loginButton.exists, "The login button should be shown.")

        let forgotPasswordButton = app.buttons["forgotPasswordButton"]
        XCTAssertTrue(forgotPasswordButton.exists, "The forgot password button should be shown.")

        let fallbackButton = app.buttons["fallbackButton"]
        XCTAssertFalse(fallbackButton.exists, "The fallback button should not be shown.")

        let clearDataButton = app.buttons["clearDataButton"]
        XCTAssertTrue(clearDataButton.exists, "The clear data button should be shown.")
        XCTAssertTrue(clearDataButton.isEnabled, "The clear data button should be enabled.")

        let ssoButtons = app.buttons.matching(identifier: "ssoButton")
        XCTAssertEqual(ssoButtons.count, 0, "There should be no SSO button shown.")
    }

    func verifyFallback() {
        XCTAssertTrue(app.staticTexts["titleLabel"].exists, "The title should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel1"].exists, "The message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["messageLabel2"].exists, "The message 2 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataTitleLabel"].exists, "The clear data title should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage1Label"].exists, "The clear data message 1 should be shown.")
        XCTAssertTrue(app.staticTexts["clearDataMessage2Label"].exists, "The clear data message 2 should be shown.")
        XCTAssertFalse(app.staticTexts["orLabel"].exists, "The or label for SSO should not be shown.")

        let passwordTextField = app.secureTextFields["passwordTextField"]
        XCTAssertFalse(passwordTextField.exists, "The password text field should not be shown.")

        let loginButton = app.buttons["loginButton"]
        XCTAssertFalse(loginButton.exists, "The login button should not be shown.")

        let forgotPasswordButton = app.buttons["forgotPasswordButton"]
        XCTAssertFalse(forgotPasswordButton.exists, "The forgot password button should not be shown.")

        let fallbackButton = app.buttons["fallbackButton"]
        XCTAssertTrue(fallbackButton.exists, "The fallback button should be shown.")
        XCTAssertTrue(fallbackButton.isEnabled, "The fallback button should be enabled.")

        let clearDataButton = app.buttons["clearDataButton"]
        XCTAssertTrue(clearDataButton.exists, "The clear data button should be shown.")
        XCTAssertTrue(clearDataButton.isEnabled, "The clear data button should be enabled.")

        let ssoButtons = app.buttons.matching(identifier: "ssoButton")
        XCTAssertEqual(ssoButtons.count, 0, "There should be no SSO button shown.")
    }

    func verifyNoKeyBackup() {
        XCTAssertFalse(app.staticTexts["messageLabel2"].exists, "The message 2 should not be shown.")
    }

}