import QtQuick 2.9
import QtQuick.Controls 2.2
import "utils.js" as Utils

StackView {
    initialItem: credentialsView
    onCurrentItemChanged: {
        if (currentItem) {
            currentItem.forceActiveFocus()
        }
    }
    property bool isShowingAbout

    Accessible.ignored: true

    function clearAndPush(view) {
        clear()
        push(view, StackView.Immediate)
    }

    function goToSettings() {
        if (currentItem.objectName !== 'settingsView') {
            push(settingsView, StackView.Immediate)
        }
    }

    function goToLoading() {
        if (currentItem.objectName !== 'loadingView') {
            push(loadingView, StackView.Immediate)
        }
    }

    function goToEnterPasswordIfNotInSettings() {
        if (currentItem.objectName !== 'enterPasswordView'
                && currentItem.objectName !== 'settingsView') {
            clearAndPush(enterPasswordView, StackView.Immediate)
        }
    }

    function home() {
        if (!!yubiKey.currentDevice) {

            // If locked, prompt for password
            if (!!yubiKey.currentDevice && yubiKey.currentDevice.hasPassword
                    && !yubiKey.currentDeviceValidated) {
                clearAndPush(enterPasswordView)
                return
            }
            navigator.goToCredentials()
        } else {
            clearAndPush(credentialsView)
        }
    }

    function goToCredentials(force) {
        if (currentItem.objectName !== 'credentialsView') {
            clearAndPush(credentialsView)
        }
    }

    function goToCredentialsIfNotInSettings() {
        if (currentItem.objectName !== 'credentialsView'
                && currentItem.objectName !== 'settingsView') {
            clearAndPush(credentialsView)
        }
    }

    function goToNewCredentialManual() {
        if (currentItem.objectName !== 'newCredentialView') {
            push(newCredentialView.createObject(app, {
                                                    "manualEntry": true
                                                }), StackView.Immediate)
        }
    }

    function goToNewCredentialAuto(credential) {
        push(newCredentialView.createObject(app, {
                                                "credential": credential,
                                                "manualEntry": false
                                            }), StackView.Immediate)
    }

    function confirm(options) {
        var popup = confirmationPopup.createObject(app, options)
        popup.open()
    }

    function about() {
        if (!isShowingAbout) {
            var popup = aboutPopup.createObject(app)
            popup.open()
        }
    }

    function snackBar(message) {
        var sb = snackBarComponent.createObject(app, {
                                                    "message": message
                                                })
        sb.open()
    }

    function snackBarError(message) {
        var sbe = snackBarErrorComponent.createObject(app, {
                                                          "message": message
                                                      })
        sbe.open()
    }

    function getErrorMessage(error_id) {
        switch (error_id) {
        case 'no_credential_found':
            return qsTr('No QR code found on screen')
        case 'incorrect_padding':
            return qsTr('Secret key have the wrong format')
        case 'validate_failed':
            return qsTr('Wrong password')
        case 'no_space':
            return qsTr('No space available')
        case 'no_current_device':
            return qsTr('No YubiKey found')
        case 'open_device_failed':
            return qsTr('Failed to connect to YubiKey')
        case 'ccid_error':
            return qsTr('Failed to connect to YubiKey')
        case 'timeout':
            return qsTr('Failed to read from slots')
        case 'failed_to_parse_uri':
            return qsTr('Failed to read credential from QR code')
        default:
            return qsTr('Unknown error')
        }
    }

    Component {
        id: credentialsView
        CredentialsView {
        }
    }

    Component {
        id: settingsView
        SettingsView {
        }
    }

    Component {
        id: newCredentialView
        NewCredentialView {
        }
    }

    Component {
        id: enterPasswordView
        EnterPasswordView {
        }
    }

    Component {
        id: loadingView
        LoadingView {
        }
    }

    Component {
        id: confirmationPopup
        ConfirmationPopup {
        }
    }

    Component {
        id: aboutPopup
        AboutPopup {
        }
    }

    Component {
        id: snackBarComponent
        SnackBar {
        }
    }

    Component {
        id: snackBarErrorComponent
        SnackBar {
            buttonColor: yubicoRed
        }
    }
}