import QtQuick 2.15
import QtQuick.Controls 2.15

import StatusQ.Core.Utils 0.1 as SQUtils

import AppLayouts.Onboarding2.pages 1.0
import AppLayouts.Onboarding.enums 1.0


SQUtils.QObject {
    id: root

    required property StackView stackView

    required property int keycardState
    required property int addKeyPairState

    required property var seedWords
    required property var isSeedPhraseValid
    required property int splashScreenDurationMs

    property bool displayKeycardPromoBanner

    signal loginWithKeycardRequested
    signal keycardFactoryResetRequested
    signal keyPairTransferRequested
    signal keycardPinCreated(string pin)
    signal seedphraseSubmitted(string seedphrase)

    signal keypairAddTryAgainRequested
    signal reloadKeycardRequested
    signal createProfileWithoutKeycardRequested

    signal finished(bool fromBackupSeedphrase)

    function init() {
        root.stackView.push(d.initialComponent())
    }

    QtObject {
        id: d

        property bool fromBackupSeedphrase

        function initialComponent() {
            if (root.keycardState === Onboarding.KeycardState.Empty)
                return createKeycardProfilePage

            if (root.keycardState === Onboarding.KeycardState.NotEmpty)
                return keycardNotEmptyPage

            return keycardIntroPage
        }
    }

    Component {
        id: keycardIntroPage

        KeycardIntroPage {
            keycardState: root.keycardState
            displayPromoBanner: root.displayKeycardPromoBanner

            onReloadKeycardRequested: {
                root.reloadKeycardRequested()
                root.stackView.replace(d.initialComponent(),
                                       StackView.PopTransition)
            }

            onKeycardFactoryResetRequested: root.keycardFactoryResetRequested()
            onEmptyKeycardDetected: root.stackView.replace(createKeycardProfilePage)
            onNotEmptyKeycardDetected: root.stackView.replace(keycardNotEmptyPage)
        }
    }

    Component {
        id: createKeycardProfilePage

        CreateKeycardProfilePage {
            onCreateKeycardProfileWithNewSeedphrase:
                root.stackView.push(backupSeedIntroPage)
            onCreateKeycardProfileWithExistingSeedphrase:
                root.stackView.push(seedphrasePage)
        }
    }

    Component {
        id: keycardNotEmptyPage

        KeycardNotEmptyPage {
            onReloadKeycardRequested: {
                root.reloadKeycardRequested()
                root.stackView.replace(d.initialComponent(),
                                       StackView.PopTransition)
            }

            onLoginWithThisKeycardRequested: root.loginWithKeycardRequested()
            onKeycardFactoryResetRequested: root.keycardFactoryResetRequested()
        }
    }

    Component {
        id: backupSeedIntroPage

        BackupSeedphraseIntro {
            onBackupSeedphraseRequested: root.stackView.push(backupSeedAcksPage)
        }
    }

    Component {
        id: backupSeedAcksPage

        BackupSeedphraseAcks {
            onBackupSeedphraseContinue: root.stackView.push(backupSeedRevealPage)
        }
    }

    Component {
        id: backupSeedRevealPage
        BackupSeedphraseReveal {
            seedWords: root.seedWords

            onBackupSeedphraseConfirmed:
                root.stackView.push(backupSeedVerifyPage)
        }
    }

    Component {
        id: backupSeedVerifyPage
        BackupSeedphraseVerify {
            seedWordsToVerify: {
                const randomIndexes = SQUtils.Utils.nSamples(4, root.seedWords.length)
                return randomIndexes.map(i => ({ seedWordNumber: i+1,
                                                 seedWord: root.seedWords[i]
                                               }))
            }

            onBackupSeedphraseVerified: root.stackView.push(backupSeedOutroPage)
        }
    }

    Component {
        id: backupSeedOutroPage

        BackupSeedphraseOutro {
            onBackupSeedphraseRemovalConfirmed:
                root.stackView.push(keycardCreatePinPage)
        }
    }

    Component {
        id: seedphrasePage

        SeedphrasePage {
            title: qsTr("Create profile on empty Keycard using a recovery phrase")

            isSeedPhraseValid: root.isSeedPhraseValid
            onSeedphraseSubmitted: (seedphrase) => {
                root.seedphraseSubmitted(seedphrase)
                root.stackView.push(keycardCreatePinPage)
            }

            StackView.onActivated: d.fromBackupSeedphrase = true
        }
    }

    Component {
        id: keycardCreatePinPage

        KeycardCreatePinPage {
            onKeycardPinCreated: {
                root.keycardPinCreated(pin)
                root.keyPairTransferRequested()
                root.stackView.push(addKeypairPage)
            }
        }
    }

    Component {
        id: addKeypairPage

        KeycardAddKeyPairPage {
            readonly property bool backAvailableHint: false

            addKeyPairState: root.addKeyPairState
            timeoutInterval: root.splashScreenDurationMs

            onKeypairAddContinueRequested: root.finished(d.fromBackupSeedphrase)

            onKeypairAddTryAgainRequested: {
                root.stackView.replace(addKeypairPage)
                root.keypairAddTryAgainRequested()
            }

            onReloadKeycardRequested: {
                root.reloadKeycardRequested()

                const page = root.stackView.find(
                               item => item instanceof CreateKeycardProfilePage)

                root.stackView.replace(page, d.initialComponent(),
                                       StackView.PopTransition)
            }

            onCreateProfilePageRequested: root.createProfileWithoutKeycardRequested()
        }
    }
}