import QtQuick 2.6
import QtQuick.Layouts 1.0
import QtQuick.Controls 2.0
import QtQuick.Controls.Material 2.0

import org.electrum 1.0

Item {
    id: delegate
    width: ListView.view.width
    height: delegateLayout.height

    // expose delegate model for scroll indicator
    property var delegateModel: model

    ColumnLayout {
        id: delegateLayout
        width: parent.width
        spacing: 0

        ItemDelegate {
            Layout.fillWidth: true
            Layout.preferredHeight: txinfo.height

            onClicked: {
                if (model.lightning) {
                    var page = app.stack.push(Qt.resolvedUrl('../LightningPaymentDetails.qml'), {'key': model.key})
                    page.detailsChanged.connect(function() {
                        // update listmodel when details change
                        visualModel.model.updateTxLabel(model.key, page.label)
                    })
                } else {
                    var page = app.stack.push(Qt.resolvedUrl('../TxDetails.qml'), {'txid': model.key})
                    page.detailsChanged.connect(function() {
                        // update listmodel when details change
                        visualModel.model.updateTxLabel(model.key, page.label)
                    })
                }
            }

            GridLayout {
                id: txinfo
                columns: 3

                x: constants.paddingSmall
                width: delegate.width - 2*constants.paddingSmall

                Item { Layout.columnSpan: 3; Layout.preferredWidth: 1; Layout.preferredHeight: constants.paddingSmall }

                Image {
                    readonly property variant tx_icons : [
                        '../../../icons/unconfirmed.png',
                        '../../../icons/clock1.png',
                        '../../../icons/clock2.png',
                        '../../../icons/clock3.png',
                        '../../../icons/clock4.png',
                        '../../../icons/clock5.png',
                        '../../../icons/confirmed_bw.png'
                    ]

                    Layout.preferredWidth: constants.iconSizeLarge
                    Layout.preferredHeight: constants.iconSizeLarge
                    Layout.alignment: Qt.AlignVCenter
                    Layout.rowSpan: 2
                    source: model.lightning
                        ? '../../../icons/lightning.png'
                        : model.complete && model.section != 'local'
                            ? tx_icons[Math.min(6,model.confirmations)]
                            : '../../../icons/offline_tx.png'
                }

                Label {
                    Layout.fillWidth: true
                    font.pixelSize: model.label !== '' ? constants.fontSizeLarge : constants.fontSizeMedium
                    text: model.label !== '' ? model.label : qsTr('<no label>')
                    color: model.label !== '' ? Material.foreground : constants.mutedForeground
                    wrapMode: Text.Wrap
                    maximumLineCount: 2
                    elide: Text.ElideRight
                }
                Label {
                    id: valueLabel
                    font.family: FixedFont
                    font.pixelSize: constants.fontSizeMedium
                    Layout.alignment: Qt.AlignRight
                    font.bold: true
                    color: model.value.satsInt >= 0 ? constants.colorCredit : constants.colorDebit

                    function updateText() {
                        text = Config.formatSats(model.value)
                    }
                    Component.onCompleted: updateText()
                }
                Label {
                    font.pixelSize: constants.fontSizeSmall
                    text: model.date ? model.date : ''
                    color: constants.mutedForeground
                }
                Label {
                    id: fiatLabel
                    font.pixelSize: constants.fontSizeSmall
                    Layout.alignment: Qt.AlignRight
                    color: constants.mutedForeground

                    function updateText() {
                        if (!Daemon.fx.enabled) {
                            text = ''
                        } else if (Daemon.fx.historicRates) {
                            text = Daemon.fx.fiatValueHistoric(model.value, model.timestamp) + ' ' + Daemon.fx.fiatCurrency
                        } else {
                            text = Daemon.fx.fiatValue(model.value, false) + ' ' + Daemon.fx.fiatCurrency
                        }
                    }
                    Component.onCompleted: updateText()
                }
                Item { Layout.columnSpan: 3; Layout.preferredWidth: 1; Layout.preferredHeight: constants.paddingSmall }
            }
        }

        Rectangle {
            visible: delegate.ListView.section == delegate.ListView.nextSection
            Layout.preferredWidth: parent.width * 2/3
            Layout.alignment: Qt.AlignHCenter
            Layout.preferredHeight: constants.paddingTiny
            color: Material.background
        }

    }
    // as the items in the model are not bindings to QObjects,
    // hook up events that might change the appearance
    Connections {
        target: Config
        function onBaseUnitChanged() { valueLabel.updateText() }
        function onThousandsSeparatorChanged() { valueLabel.updateText() }
    }

    Connections {
        target: Daemon.fx
        function onHistoricRatesChanged() { fiatLabel.updateText() }
        function onQuotesUpdated() { fiatLabel.updateText() }
        function onHistoryUpdated() { fiatLabel.updateText() }
        function onEnabledUpdated() { fiatLabel.updateText() }
    }

}
