import QtQuick 2.13
import QtQuick.Layouts 1.13
import QtQuick.Controls 2.14
import QtQuick.Window 2.12

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

import utils 1.0
import shared.views 1.0
import shared.controls 1.0
import shared.stores 1.0


/// \beware: heavy shortcuts here, refactor to match the requirements when touching this again
/// \todo split into token history and balance views; they have different requirements that introduce unnecessary complexity
/// \todo take a declarative approach, move logic into the typed backend and remove multiple source of truth (e.g. time ranges)
Item {
    id: root

    property var token
    /*required*/ property string address: ""

    function createStore(address) {
        return balanceHistoryComponent.createObject(null, {address: address})
    }

    QtObject {
        id: d
        property var marketValueStore : RootStore.marketValueStore
        // TODO: Should be temporary until non native tokens are supported by balance history
        property bool isNativeToken: typeof token !== "undefined" && token ? token.symbol === "ETH" : false
    }

    Connections {
        target: walletSectionAllTokens
        function onTokenHistoricalDataReady(tokenDetails: string) {
            let response = JSON.parse(tokenDetails)
            if (response === null) {
                console.debug("error parsing json message for tokenHistoricalDataReady")
                return
            }
            if(response.historicalData === null || response.historicalData <= 0)
                return

            d.marketValueStore.setTimeAndValueData(response.historicalData, response.range)
        }
    }

    AssetsDetailsHeader {
        id: tokenDetailsHeader
        anchors.top: parent.top
        anchors.left: parent.left
        anchors.right: parent.right
        width: parent.width
        asset.name: token && token.symbol ? Style.png("tokens/%1".arg(token.symbol)) : ""
        asset.isImage: true
        primaryText: token ? token.name : ""
        secondaryText: token ? LocaleUtils.currencyAmountToLocaleString(token.enabledNetworkBalance) : ""
        tertiaryText: token ? LocaleUtils.currencyAmountToLocaleString(token.enabledNetworkCurrencyBalance) : ""
        balances: token && token.balances ? token.balances : null
        getNetworkColor: function(chainId){
            return RootStore.getNetworkColor(chainId)
        }
        getNetworkIcon: function(chainId){
            return RootStore.getNetworkIcon(chainId)
        }
        formatBalance: function(balance){
            return LocaleUtils.currencyAmountToLocaleString(balance)
        }
    }

    enum GraphType {
        Price = 0,
        Balance
    }

    Loader {
        id: graphDetailLoader
        width: parent.width
        height: 290
        anchors.top: tokenDetailsHeader.bottom
        anchors.topMargin: 24
        active: root.visible
        sourceComponent: StatusChartPanel {
            id: graphDetail

            property int selectedGraphType: AssetsDetailView.GraphType.Price
            property var selectedStore: d.marketValueStore

            function dataReady() {
                return typeof selectedStore != "undefined"
            }
            function timeRangeSelected() {
                return dataReady() && graphDetail.timeRangeTabBarIndex >= 0 && graphDetail.selectedTimeRange.length > 0
            }

            readonly property var labelsData: {
                return timeRangeSelected()
                    ? selectedStore.timeRange[graphDetail.timeRangeTabBarIndex][graphDetail.selectedTimeRange]
                    : []
            }
            readonly property var dataRange: {
                return timeRangeSelected()
                    ? selectedStore.dataRange[graphDetail.timeRangeTabBarIndex][graphDetail.selectedTimeRange]
                    : []
            }
            readonly property var maxTicksLimit: {
                return timeRangeSelected() && typeof selectedStore.maxTicks != "undefined"
                    ? selectedStore.maxTicks[graphDetail.timeRangeTabBarIndex][graphDetail.selectedTimeRange]
                    : 0
            }

            graphsModel: [
                    {text: qsTr("Price"), enabled: true, id: AssetsDetailView.GraphType.Price},
                    {
                        text: qsTr("Balance"),
                        enabled: false, // TODO: Enable after adding ECR20 token support and DB cache. Current prototype implementation works only for d.isNativeToken
                        id: AssetsDetailView.GraphType.Balance
                    },
                ]
            defaultTimeRangeIndexShown: ChartStoreBase.TimeRange.All
            timeRangeModel: dataReady() && selectedStore.timeRangeTabsModel
            onHeaderTabClicked: (privateIdentifier, isTimeRange) => {
                if(!isTimeRange && graphDetail.selectedGraphType !== privateIdentifier) {
                    graphDetail.selectedGraphType = privateIdentifier
                }

                if(graphDetail.selectedGraphType === AssetsDetailView.GraphType.Balance) {
                    let selectedTimeRangeEnum = balanceStore.timeRangeStrToEnum(graphDetail.selectedTimeRange)
                    if(balanceStore.isTimeToRequest(selectedTimeRangeEnum)) {
                        RootStore.fetchHistoricalBalanceForTokenAsJson(root.address, token.symbol, selectedTimeRangeEnum)
                        balanceStore.updateRequestTime(selectedTimeRangeEnum)
                    }
                }

                if(!isTimeRange) {
                    graphDetail.selectedStore = graphDetail.selectedGraphType === AssetsDetailView.GraphType.Price ? d.marketValueStore : balanceStore
                }

                chart.animateToNewData()
            }
            chart.chartType: 'line'
            chart.chartData: {
                return {
                    labels: RootStore.marketHistoryIsLoading ? [] : graphDetail.labelsData,
                    datasets: [{
                            xAxisId: 'x-axis-1',
                            yAxisId: 'y-axis-1',
                            backgroundColor: (Theme.palette.name === "dark") ? 'rgba(136, 176, 255, 0.2)' : 'rgba(67, 96, 223, 0.2)',
                            borderColor: (Theme.palette.name === "dark") ? 'rgba(136, 176, 255, 1)' : 'rgba(67, 96, 223, 1)',
                            borderWidth: 3,
                            pointRadius: 0,
                            data: RootStore.marketHistoryIsLoading ? [] : graphDetail.dataRange,
                            parsing: false,
                        }]
                }
            }

            chart.chartOptions: {
                return {
                    maintainAspectRatio: false,
                    responsive: true,
                    legend: {
                        display: false
                    },
                    //TODO enable zoom
                    //zoom: {
                    //  enabled: true,
                    //  drag: true,
                    //  speed: 0.1,
                    //  threshold: 2
                    //},
                    //pan:{enabled:true,mode:'x'},
                    tooltips: {
                        intersect: false,
                        displayColors: false,
                        callbacks: {
                            label: function(tooltipItem, data) {
                                let label = data.datasets[tooltipItem.datasetIndex].label || '';
                                if (label) {
                                    label += ': ';
                                }
                                label += tooltipItem.yLabel.toFixed(2);
                                return label.slice(0,label.indexOf(":")+1) + " %1".arg(RootStore.currencyStore.currentCurrencySymbol) + label.slice(label.indexOf(":") + 2, label.length);
                            }
                        }
                    },
                    scales: {
                        xAxes: [{
                                id: 'x-axis-1',
                                position: 'bottom',
                                gridLines: {
                                    drawOnChartArea: false,
                                    drawBorder: false,
                                    drawTicks: false,
                                },
                                ticks: {
                                    fontSize: 10,
                                    fontColor: (Theme.palette.name === "dark") ? '#909090' : '#939BA1',
                                    padding: 16,
                                    maxRotation: 0,
                                    minRotation: 0,
                                    maxTicksLimit: graphDetail.maxTicksLimit,
                                },
                            }],
                        yAxes: [{
                                position: 'left',
                                id: 'y-axis-1',
                                gridLines: {
                                    borderDash: [8, 4],
                                    drawBorder: false,
                                    drawTicks: false,
                                    color: (Theme.palette.name === "dark") ? '#909090' : '#939BA1'
                                },
                                beforeDataLimits: (axis) => {
                                    axis.paddingTop = 25;
                                    axis.paddingBottom = 0;
                                },
                                afterDataLimits: (axis) => {
                                    if(axis.min < 0)
                                        axis.min = 0;
                                },
                                ticks: {
                                    fontSize: 10,
                                    fontColor: (Theme.palette.name === "dark") ? '#909090' : '#939BA1',
                                    padding: 8,
                                    callback: function(value, index, ticks) {
                                        return LocaleUtils.numberToLocaleString(value)
                                    },
                                }
                            }]
                    }
                }
            }

            LoadingGraphView {
                anchors.fill: chart
                active: RootStore.marketHistoryIsLoading
            }

            TokenBalanceHistoryStore {
                id: balanceStore

                address: root.address

                onNewDataReady: (timeRange) => {
                    let selectedTimeRange = timeRangeStrToEnum(graphDetail.selectedTimeRange)
                    if (timeRange === selectedTimeRange && address === root.address) {
                        chart.updateToNewData()
                    }
                }
            }
        }
    }

    ColumnLayout {
        anchors.top: graphDetailLoader.bottom
        anchors.topMargin: 24
        anchors.bottom: parent.bottom
        anchors.left: parent.left
        anchors.right: parent.right

        width: parent.width

        spacing: Style.current.padding

        RowLayout {
            Layout.fillWidth: true
            InformationTile {
                maxWidth: parent.width
                primaryText: qsTr("Market Cap")
                secondaryText: token && token.marketCap ? LocaleUtils.currencyAmountToLocaleString(token.marketCap) : "---"
            }
            InformationTile {
                maxWidth: parent.width
                primaryText: qsTr("Day Low")
                secondaryText: token && token.lowDay ? LocaleUtils.currencyAmountToLocaleString(token.lowDay) : "---"
            }
            InformationTile {
                maxWidth: parent.width
                primaryText: qsTr("Day High")
                secondaryText: token && token.highDay ? LocaleUtils.currencyAmountToLocaleString(token.highDay) : "---"
            }
            Item {
                Layout.fillWidth: true
            }
            InformationTile {
                readonly property string changePctHour: token ? token.changePctHour.toFixed(2) : ""
                maxWidth: parent.width
                primaryText: qsTr("Hour")
                secondaryText: changePctHour ? "%1%".arg(changePctHour) : "---"
                secondaryLabel.color: Math.sign(Number(changePctHour)) === 0 ? Theme.palette.directColor1 :
                                                                               Math.sign(Number(changePctHour)) === -1 ? Theme.palette.dangerColor1 :
                                                                                                                         Theme.palette.successColor1
            }
            InformationTile {
                readonly property string changePctDay: token ? token.changePctDay.toFixed(2) : ""
                maxWidth: parent.width
                primaryText: qsTr("Day")
                secondaryText: changePctDay ? "%1%".arg(changePctDay) : "---"
                secondaryLabel.color: Math.sign(Number(changePctDay)) === 0 ? Theme.palette.directColor1 :
                                                                              Math.sign(Number(changePctDay)) === -1 ? Theme.palette.dangerColor1 :
                                                                                                                       Theme.palette.successColor1
            }
            InformationTile {
                readonly property string changePct24hour: token ? token.changePct24hour.toFixed(2) : ""
                maxWidth: parent.width
                primaryText: qsTr("24 Hours")
                secondaryText: changePct24hour ? "%1%".arg(changePct24hour) : "---"
                secondaryLabel.color: Math.sign(Number(changePct24hour)) === 0 ? Theme.palette.directColor1 :
                                                                                 Math.sign(Number(changePct24hour)) === -1 ? Theme.palette.dangerColor1 :
                                                                                                                             Theme.palette.successColor1
            }
        }

        StatusTabBar {
            Layout.fillWidth: true
            Layout.topMargin: Style.current.xlPadding

            StatusTabButton {
                leftPadding: 0
                width: implicitWidth
                text: qsTr("Overview")
            }
        }

        StackLayout {
            id: stack
            Layout.fillWidth: true
            Layout.fillHeight: true
            StatusScrollView {
                id: scrollView
                Layout.preferredWidth: parent.width
                Layout.preferredHeight: parent.height
                ScrollBar.horizontal.policy: ScrollBar.AsNeeded
                topPadding: 8
                bottomPadding: 8
                Flow {
                    id: detailsFlow

                    readonly property bool isOverflowing:  detailsFlow.width - tagsLayout.width - tokenDescriptionText.width < 24

                    spacing: 24

                    width: scrollView.availableWidth
                    StatusBaseText {
                        id: tokenDescriptionText
                        width: Math.max(536 , scrollView.availableWidth - tagsLayout.width - 24)

                        font.pixelSize: 15
                        lineHeight: 22
                        lineHeightMode: Text.FixedHeight
                        text: token ? token.description : ""
                        color: Theme.palette.directColor1
                        elide: Text.ElideRight
                        wrapMode: Text.Wrap
                        textFormat: Qt.RichText
                    }
                    ColumnLayout {
                        id: tagsLayout
                        spacing: 10
                        InformationTag {
                            id: website
                            Layout.alignment: detailsFlow.isOverflowing ? Qt.AlignLeft : Qt.AlignRight
                            iconAsset.icon: "browser"
                            tagPrimaryLabel.text: qsTr("Website")
                            controlBackground.color: Theme.palette.baseColor2
                            controlBackground.border.color: "transparent"
                            visible: typeof token != "undefined" && token && token.assetWebsiteUrl !== ""
                            MouseArea {
                                anchors.fill: parent
                                cursorShape: Qt.PointingHandCursor
                                onClicked: Global.openLink(token.assetWebsiteUrl)
                            }
                        }
                        InformationTag {
                            id: smartContractAddress
                            Layout.alignment: detailsFlow.isOverflowing ? Qt.AlignLeft : Qt.AlignRight

                            image.source: token  && token.builtOn !== "" ? Style.svg("tiny/" + RootStore.getNetworkIconUrl(token.builtOn)) : ""
                            tagPrimaryLabel.text: token && token.builtOn !== "" ? RootStore.getNetworkName(token.builtOn) : "---"
                            tagSecondaryLabel.text: token && token.address !== "" ? token.address : "---"
                            controlBackground.color: Theme.palette.baseColor2
                            controlBackground.border.color: "transparent"
                            visible: typeof token != "undefined" && token && token.builtOn !== "" && token.address !== ""
                        }
                    }
                }
            }
        }
    }
}