// Copyright (c) 2014-2018, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import QtQuick 2.2
import QtQml 2.2
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.1
import moneroComponents.NetworkType 1.0
import "../components"

ColumnLayout {
    id: page
    signal createWalletClicked()
    signal recoveryWalletClicked()
    signal openWalletClicked()
    signal createWalletFromDeviceClicked()
    opacity: 0
    visible: false
    property int buttonSize: (isMobile) ? 80 * scaleRatio : 140 * scaleRatio
    property int buttonImageSize: (isMobile) ? buttonSize - 10 * scaleRatio : buttonSize - 30 * scaleRatio

    function onPageClosed() {
        // Save settings used in open from file.
        // other wizard settings are saved on last page in applySettings()
        appWindow.persistentSettings.language = wizard.settings.language
        appWindow.persistentSettings.locale   = wizard.settings.locale

        return true;
    }

    Behavior on opacity {
        NumberAnimation { duration: 100; easing.type: Easing.InQuad }
    }

    onOpacityChanged: visible = opacity !== 0

    ColumnLayout {
        id: headerColumn
        Layout.leftMargin: wizardLeftMargin
        Layout.rightMargin: wizardRightMargin
        Layout.bottomMargin: (!isMobile) ? 40 * scaleRatio : 20
        spacing: 30 * scaleRatio

        Text {
            Layout.fillWidth: true
            font.family: "Arial"
            font.pixelSize: 28 * scaleRatio
            //renderType: Text.NativeRendering
            color: "#3F3F3F"
            wrapMode: Text.Wrap
            horizontalAlignment: Text.AlignHCenter
            text: qsTr("Welcome to Monero!") + translationManager.emptyString
        }

        Text {
            Layout.fillWidth: true
            font.family: "Arial"
            font.pixelSize: 18 * scaleRatio
            //renderType: Text.NativeRendering
            color: "#4A4646"
            wrapMode: Text.Wrap
            horizontalAlignment: Text.AlignHCenter
            text: qsTr("Please select one of the following options:") + translationManager.emptyString
        }
    }

    GridLayout {
        Layout.leftMargin: wizardLeftMargin
        Layout.rightMargin: wizardRightMargin
        Layout.alignment: Qt.AlignCenter
        id: actionButtons
        columnSpacing: 40 * scaleRatio
        rowSpacing: 10 * scaleRatio
        Layout.fillWidth: true
        Layout.fillHeight: true
        flow: isMobile ? GridLayout.TopToBottom : GridLayout.LeftToRight

        GridLayout {
            Layout.fillHeight: true
            Layout.fillWidth: true
            flow: !isMobile ? GridLayout.TopToBottom : GridLayout.LeftToRight
            rowSpacing: 20 * scaleRatio
            columnSpacing: 10 * scaleRatio

            Rectangle {
                Layout.preferredHeight: page.buttonSize
                Layout.preferredWidth: page.buttonSize
                radius: page.buttonSize
                color: createWalletArea.containsMouse ? "#DBDBDB" : "#FFFFFF"


                Image {
                    width: page.buttonImageSize
                    height: page.buttonImageSize
                    fillMode: Image.PreserveAspectFit
                    horizontalAlignment: Image.AlignRight
                    verticalAlignment: Image.AlignTop
                    anchors.centerIn: parent
                    source: "qrc:///images/createWallet.png"
                }

                MouseArea {
                    id: createWalletArea
                    anchors.fill: parent
                    cursorShape: Qt.PointingHandCursor
                    hoverEnabled: true
                    onClicked: {
                        page.createWalletClicked()
                    }
                }
            }

            Text {
                Layout.preferredWidth: page.buttonSize
                font.family: "Arial"
                font.pixelSize: 16 * scaleRatio
                color: "#4A4949"
                horizontalAlignment: Text.AlignHCenter
                wrapMode: Text.WordWrap
                text: qsTr("Create a new wallet") + translationManager.emptyString
            }
        }

        GridLayout {
            Layout.fillWidth: true
            Layout.fillHeight: true
            flow: !isMobile ? GridLayout.TopToBottom : GridLayout.LeftToRight
            rowSpacing: 20 * scaleRatio
            columnSpacing: 10 * scaleRatio

            Rectangle {
                Layout.preferredHeight: page.buttonSize
                Layout.preferredWidth:  page.buttonSize
                radius: page.buttonSize
                color: recoverWalletArea.containsMouse ? "#DBDBDB" : "#FFFFFF"

                Image {
                    width: page.buttonImageSize
                    height: page.buttonImageSize
                    fillMode: Image.PreserveAspectFit
                    anchors.centerIn: parent
                    source: "qrc:///images/recoverWallet.png"
                }

                MouseArea {
                    id: recoverWalletArea
                    anchors.fill: parent
                    cursorShape: Qt.PointingHandCursor
                    hoverEnabled: true
                    onClicked: {
                        page.recoveryWalletClicked()
                    }
                }
            }

            Text {
                Layout.preferredWidth: page.buttonSize
                font.family: "Arial"
                font.pixelSize: 16 * scaleRatio
                color: "#4A4949"
                horizontalAlignment: Text.AlignHCenter
                text: qsTr("Restore wallet from keys or mnemonic seed") + translationManager.emptyString
                width:page.buttonSize
                wrapMode: Text.WordWrap
            }
        }

        GridLayout {
            Layout.fillHeight: true
            Layout.fillWidth: true
            flow: !isMobile ? GridLayout.TopToBottom : GridLayout.LeftToRight
            rowSpacing: 20 * scaleRatio
            columnSpacing: 10 * scaleRatio

            Rectangle {
                Layout.preferredHeight: page.buttonSize
                Layout.preferredWidth:  page.buttonSize
                radius: page.buttonSize
                color: openWalletArea.containsMouse ? "#DBDBDB" : "#FFFFFF"

                Image {
                    width: page.buttonImageSize
                    height: page.buttonImageSize
                    fillMode: Image.PreserveAspectFit
                    anchors.centerIn: parent
                    source: "qrc:///images/openAccount.png"
                }

                MouseArea {
                    id: openWalletArea
                    anchors.fill: parent
                    cursorShape: Qt.PointingHandCursor
                    hoverEnabled: true
                    onClicked: {
                        page.openWalletClicked()
                    }
                }
            }

            Text {
                Layout.preferredWidth: page.buttonSize
                font.family: "Arial"
                font.pixelSize: 16 * scaleRatio
                color: "#4A4949"
                horizontalAlignment: Text.AlignHCenter
                text: qsTr("Open a wallet from file") + translationManager.emptyString
                wrapMode: Text.WordWrap
            }
        }

        GridLayout {
            Layout.fillHeight: true
            Layout.fillWidth: true
            flow: !isMobile ? GridLayout.TopToBottom : GridLayout.LeftToRight
            rowSpacing: 20 * scaleRatio
            columnSpacing: 10 * scaleRatio

            Rectangle {
                Layout.preferredHeight: page.buttonSize
                Layout.preferredWidth: page.buttonSize
                radius: page.buttonSize
                color: createWalletFromDeviceArea.containsMouse ? "#DBDBDB" : "#FFFFFF"


                Image {
                    width: page.buttonImageSize
                    height: page.buttonImageSize
                    fillMode: Image.PreserveAspectFit
                    horizontalAlignment: Image.AlignRight
                    verticalAlignment: Image.AlignTop
                    anchors.centerIn: parent
                    source: "qrc:///images/createWalletFromDevice.png"
                }

                MouseArea {
                    id: createWalletFromDeviceArea
                    anchors.fill: parent
                    cursorShape: Qt.PointingHandCursor
                    hoverEnabled: true
                    onClicked: {
                        page.createWalletFromDeviceClicked()
                    }
                }
            }

            Text {
                Layout.preferredWidth: page.buttonSize
                font.family: "Arial"
                font.pixelSize: 16 * scaleRatio
                color: "#4A4949"
                horizontalAlignment: Text.AlignHCenter
                wrapMode: Text.WordWrap
                text: qsTr("Create a new wallet from hardware device") + translationManager.emptyString
            }
        }
    }

    ColumnLayout {
        Layout.leftMargin: wizardLeftMargin
        Layout.rightMargin: wizardRightMargin
        Layout.topMargin: 30 * scaleRatio
        Layout.alignment: Qt.AlignCenter
        Layout.fillWidth: true
        spacing: 38 * scaleRatio

        RowLayout {
            CheckBox2 {
                id: showAdvancedCheckbox
                darkDropIndicator: true
                text: qsTr("Advanced options") + translationManager.emptyString
                fontColor: "#4A4646"
            }
        }

        Rectangle {
            width: 100 * scaleRatio
            RadioButton {
                visible: showAdvancedCheckbox.checked
                enabled: !this.checked
                id: mainNet
                text: qsTr("Mainnet") + translationManager.emptyString
                checkedColor: Qt.rgba(0, 0, 0, 0.75)
                borderColor: Qt.rgba(0, 0, 0, 0.45)
                fontColor: "#4A4646"
                fontSize: 16 * scaleRatio
                checked: appWindow.persistentSettings.nettype == NetworkType.MAINNET;
                onClicked: {
                    persistentSettings.nettype = NetworkType.MAINNET
                    testNet.checked = false;
                    stageNet.checked = false;
                    console.log("Network type set to MainNet")
                }
            }
        }

        Rectangle {
            width: 100 * scaleRatio
            RadioButton {
                visible: showAdvancedCheckbox.checked
                enabled: !this.checked
                id: testNet
                text: qsTr("Testnet") + translationManager.emptyString
                checkedColor: Qt.rgba(0, 0, 0, 0.75)
                borderColor: Qt.rgba(0, 0, 0, 0.45)
                fontColor: "#4A4646"
                fontSize: 16 * scaleRatio
                checked: appWindow.persistentSettings.nettype == NetworkType.TESTNET;
                onClicked: {
                    persistentSettings.nettype = testNet.checked ? NetworkType.TESTNET : NetworkType.MAINNET
                    mainNet.checked = false;
                    stageNet.checked = false;
                    console.log("Network type set to ", persistentSettings.nettype == NetworkType.TESTNET ? "Testnet" : "Mainnet")
                }
            }
        }

        Rectangle {
            width: 100 * scaleRatio
            RadioButton {
                visible: showAdvancedCheckbox.checked
                enabled: !this.checked
                id: stageNet
                text: qsTr("Stagenet") + translationManager.emptyString
                checkedColor: Qt.rgba(0, 0, 0, 0.75)
                borderColor: Qt.rgba(0, 0, 0, 0.45)
                fontColor: "#4A4646"
                fontSize: 16 * scaleRatio
                checked: appWindow.persistentSettings.nettype == NetworkType.STAGENET;
                onClicked: {
                    persistentSettings.nettype = stageNet.checked ? NetworkType.STAGENET : NetworkType.MAINNET
                    mainNet.checked = false;
                    testNet.checked = false;
                    console.log("Network type set to ", persistentSettings.nettype == NetworkType.STAGENET ? "Stagenet" : "Mainnet")
                }
            }
        }
    }

    RowLayout {
        Layout.leftMargin: wizardLeftMargin
        Layout.rightMargin: wizardRightMargin
        Layout.topMargin: 50 * scaleRatio
        Layout.alignment: Qt.AlignHCenter
        Layout.fillWidth: true
        visible: showAdvancedCheckbox.checked

        Text {
            font.family: "Arial"
            font.pixelSize: 16 * scaleRatio
            color: "#4A4949"
            text: qsTr("Number of KDF rounds:") + translationManager.emptyString
        }
        TextField {
            id: kdfRoundsText
            font.family: "Arial"
            font.pixelSize: 16 * scaleRatio
            Layout.preferredWidth: 60
            horizontalAlignment: TextInput.AlignRight
            selectByMouse: true
            color: "#4A4949"
            text: persistentSettings.kdfRounds
            validator: IntValidator { bottom: 1 }
            onEditingFinished: {
                kdfRoundsText.text = persistentSettings.kdfRounds = parseInt(kdfRoundsText.text) >= 1 ? parseInt(kdfRoundsText.text) : 1;
            }
        }
    }
}