/*
 * This file is part of the Flowee project
 * Copyright (C) 2024-2025 Tom Zander <tom@flowee.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import QtQuick;
import QtQuick.Controls as QQC2;
import QtQuick.Layouts;
import "../mobile" as Mobile;
import "../Flowee" as Flowee;
import Flowee.org.pay;
import Flowee.org.pay.bigtransfer;

Mobile.Page {
    id: root
    headerText: qsTr("Wallet to Wallet")

    ColumnLayout {
        width: parent.width
        spacing: 10

        Flowee.Label {
            Layout.fillWidth: true
            wrapMode: Text.WordWrap
            text: qsTr("Select two wallets to transfer funds simply, using anonymity preserving transactions.")
        }

        Mobile.TextButton {
            text: qsTr("Select Spending Wallet")
            subtext: {
                var from = transferManager.fromAccount;
                if (from === null)
                    return "";
                return from.name
            }
            onClicked: fromWalletPicker.visible = true
            SimpleWalletPicker {
                id: fromWalletPicker
                text: parent.text
                accounts: portfolio.accounts
                onSelectedChanged: transferManager.fromAccount = selected;
                current: transferManager.fromAccount
            }
        }
        GridLayout {
            columns: 2
            columnSpacing: 10
            rowSpacing: 10
            enabled: transferManager.fromAccount !== null
            Flowee.Label {
                text: qsTr("Addresses") + ":"
            }
            Flowee.Label {
                text: transferManager.addressCount
            }
            Flowee.Label {
                text: qsTr("Coins") + ":"
            }
            Flowee.Label {
                text: transferManager.coinCount
            }
        }
        Mobile.TextButton {
            text: qsTr("Destination Wallet")
            subtext: {
                var to = transferManager.toAccount;
                if (to === null)
                    return "";
                return to.name
            }
            // TODO add an entry "create new HD wallet"
            onClicked: toWalletPicker.visible = true;
            SimpleWalletPicker {
                id: toWalletPicker
                text: parent.text
                accounts: {
                    var list = [];
                    for (let wallet of portfolio.accounts) {
                        if (wallet === transferManager.fromAccount || !wallet.isHDWallet)
                            continue;
                        list.push(wallet);
                    }
                    return list;
                }

                onSelectedChanged: transferManager.toAccount = selected;
                current: transferManager.toAccount
            }
        }

        // button to start.
        Flowee.Button {
            Layout.alignment: Qt.AlignRight
            text: qsTr("Prepare...")

            enabled: transferManager.inputsOk
            onClicked: {
                transferManager.prepare();
                thePile.push("ShowPrepared.qml", { "transferManager" : transferManager } );
            }
        }
    }

    Item {
        // data
        TransferManager {
            id: transferManager
            fromAccount: portfolio.current
        }
    }
}