import QtQuick 2.15
import QtQml 2.15
import QtQuick.Layouts 1.15
import QtQml.Models 2.15

import StatusQ 0.1
import StatusQ.Core 0.1
import StatusQ.Core.Theme 0.1
import StatusQ.Controls 0.1
import StatusQ.Components 0.1
import StatusQ.Popups.Dialog 0.1

import shared.controls 1.0
import utils 1.0

import SortFilterProxyModel 0.2

import "../stores"


StatusDialog {
    id: root

    implicitHeight: 610

    property WalletStore walletStore

    QtObject {
        id: d

        property int totalCalls
        property int totalFilteredCalls: countAggregator.value

        function updateModel() {
            sourceModel.clear()

            const jsonStatsRaw = root.walletStore.getRpcStats()
            const jsonStats = JSON.parse(jsonStatsRaw)
            if (jsonStats.result && jsonStats.result.methods) {
                const methods = jsonStats.result.methods
                d.totalCalls = jsonStats.result.total

                for (const method in methods) {
                    sourceModel.append({ method: method, count: methods[method] })
                }
            }
        }

        function resetStats() {
            root.walletStore.resetRpcStats()
            updateModel()
        }
    }

    ColumnLayout {
        id: contentColumn

        anchors.fill: parent

        SearchBox {
            id: searchBox

            Layout.fillWidth: true
            Layout.bottomMargin: 16
        }

        StatusListView {
            id: resultsListView

            Layout.fillWidth: true
            Layout.fillHeight: true
            spacing: 2

            ListModel {
                id: sourceModel
            }

            header: StatusListItem {
                title: qsTr("Total")
                statusListItemTitle.customColor: Theme.palette.directColor1
                statusListItemLabel.customColor: Theme.palette.directColor1
                label: qsTr("%1 of %2").arg(d.totalFilteredCalls).arg(d.totalCalls)
                enabled: false
                z: 3 // Above delegate (z=1) and above section.delegate (z = 2)
            }
            headerPositioning: ListView.OverlayHeader

            model: SortFilterProxyModel {
                sourceModel: sourceModel
                sorters: RoleSorter {
                    roleName: "count"
                    sortOrder: Qt.DescendingOrder
                }

                filters: FastExpressionFilter {
                    function spellingTolerantSearch(data, searchKeyword) {
                        const regex = new RegExp(searchKeyword.split('').join('.{0,1}'), 'i')
                        return regex.test(data)
                    }

                    enabled: !!searchBox.text
                    expression: {
                        searchBox.text
                        let keyword = searchBox.text.trim().toUpperCase()
                        return spellingTolerantSearch(model.method, keyword)
                    }
                    expectedRoles: ["method"]
                }
            }

            SumAggregator {
                id: countAggregator

                model: resultsListView.model
                roleName: "count"
            }

            delegate: StatusListItem {
                title: model.method
                label: model.count
                enabled: false
            }

            Component.onCompleted: {
                d.updateModel()
            }
        }
    }

    footer: StatusDialogFooter {
        leftButtons: ObjectModel {
            StatusButton {
                text: qsTr("Refresh")
                onClicked: {
                    d.updateModel()
                }
            }
            StatusButton {
                text: qsTr("Reset")
                onClicked: {
                    root.walletStore.resetRpcStats()
                    d.updateModel()
                }
            }
        }

        rightButtons: ObjectModel {
            CopyToClipBoardButton {
                id: copyToClipboardButton

                onCopyClicked: ClipboardUtils.setText(textToCopy)
                onPressed: function() {
                    let copiedText = "Total" + '\t' + d.totalFilteredCalls + " of " + d.totalCalls + '\n' + '\n'
                    for (let i = 0; i < resultsListView.model.count; i++) {
                        const item = resultsListView.model.get(i)
                        copiedText += item.method + '\t' + item.count + '\n'
                    }
                    textToCopy = copiedText
                }
            }
        }
    }
}