import QtQuick 2.13
import QtQuick.Controls 2.13
import QtQuick.Layouts 1.13
import QtQuick.Dialogs 1.3
import QtGraphicalEffects 1.0

import utils 1.0
import shared.stores 1.0
import shared.panels 1.0

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

import "../panels"
import "../controls"
import "../views"

StatusDialog {
    id: popup

    property bool isBridgeTx: false

    property string preSelectedRecipient
    property string preDefinedAmountToSend
    property var preSelectedAsset
    property bool interactive: true

    property alias modalHeader: modalHeader.text

    property var store: TransactionStore{}
    property var contactsStore: store.contactStore
    property var currencyStore: store.currencyStore
    property var selectedAccount: store.currentAccount
    property var bestRoutes
    property string addressText
    property bool isLoading: false
    property int sendType: isBridgeTx ? Constants.SendType.Bridge : Constants.SendType.Transfer
    property MessageDialog sendingError: MessageDialog {
        id: sendingError
        title: qsTr("Error sending the transaction")
        icon: StandardIcon.Critical
        standardButtons: StandardButton.Ok
    }

    Connections {
        target: store.currentAccount.assets
        onModelReset: {
            popup.selectedAccount =  null
            popup.selectedAccount = store.currentAccount
        }
    }

    property var sendTransaction: function() {
        let recipientAddress = Utils.isValidAddress(popup.addressText) ? popup.addressText : d.resolvedENSAddress
        d.isPendingTx = true
        popup.store.authenticateAndTransfer(
                    popup.selectedAccount.address,
                    recipientAddress,
                    assetSelector.selectedAsset.symbol,
                    amountToSendInput.cryptoValueToSend.amount,
                    d.uuid,
                    JSON.stringify(popup.bestRoutes)
                    )
    }

    property var recalculateRoutesAndFees: Backpressure.debounce(popup, 600, function() {
        if(!!popup.selectedAccount && !!assetSelector.selectedAsset && d.recipientReady && amountToSendInput.input.valid) {
            popup.isLoading = true
            let amount = Math.round(amountToSendInput.cryptoValueToSend.amount * Math.pow(10, assetSelector.selectedAsset.decimals))
            popup.store.suggestedRoutes(popup.selectedAccount.address, amount.toString(16), assetSelector.selectedAsset.symbol,
                                        store.disabledChainIdsFromList, store.disabledChainIdsToList,
                                        store.preferredChainIds, popup.sendType, store.lockedInAmounts)
        }
    })

    QtObject {
        id: d
        readonly property int errorType: !amountToSendInput.input.valid ? Constants.SendAmountExceedsBalance :
                                                                          (networkSelector.bestRoutes && networkSelector.bestRoutes.length <= 0 && !!amountToSendInput.input.text && recipientReady && !popup.isLoading) ?
                                                                              Constants.NoRoute : Constants.NoError
        readonly property var maxFiatBalance: !!assetSelector.selectedAsset ? (amountToSendInput.inputIsFiat ?
                                                                                    assetSelector.selectedAsset.totalCurrencyBalance :
                                                                                    assetSelector.selectedAsset.totalBalance): undefined
        readonly property bool errorMode: popup.isLoading || !recipientReady ? false : errorType !== Constants.NoError || networkSelector.errorMode || isNaN(amountToSendInput.input.text)
        readonly property bool recipientReady: (isAddressValid || isENSValid) && !recipientSelector.isPending
        property bool isAddressValid: Utils.isValidAddress(popup.addressText)
        property bool isENSValid: false
        readonly property var resolveENS: Backpressure.debounce(popup, 500, function (ensName) {
            store.resolveENS(ensName)
        })
        property string resolvedENSAddress
        readonly property string uuid: Utils.uuid()
        property bool isPendingTx: false
        property string totalTimeEstimate
        property var totalFeesInEth
        property var totalFeesInFiat
        property var totalAmountToReceive

        property Timer waitTimer: Timer {
            interval: 1500
            onTriggered: {
                let result = store.splitAndFormatAddressPrefix(recipientSelector.input.text, isBridgeTx, networkSelector.showUnpreferredNetworks)
                popup.addressText = result.address
                recipientSelector.input.text = result.formattedText
                popup.recalculateRoutesAndFees()
            }
        }

        onErrorTypeChanged: {
            if(errorType === Constants.SendAmountExceedsBalance)
                bestRoutes = []
        }
    }

    width: 556
    topMargin: 64 + header.height

    padding: 0
    background: StatusDialogBackground {
        color: Theme.palette.baseColor3
    }

    onSelectedAccountChanged: popup.recalculateRoutesAndFees()

    onOpened: {
        if(!isBridgeTx) {
            store.setDefaultPreferredDisabledChains()
        }

        amountToSendInput.input.input.edit.forceActiveFocus()

        if(!!popup.preSelectedAsset) {
            assetSelector.selectedAsset = popup.preSelectedAsset
        }

        if(!!popup.preDefinedAmountToSend) {
            amountToSendInput.input.text = popup.preDefinedAmountToSend
        }

        if(!!popup.preSelectedRecipient) {
            recipientSelector.input.text = popup.preSelectedRecipient
            d.waitTimer.restart()
        }

        if(popup.isBridgeTx) {
            recipientSelector.input.text = popup.selectedAccount.address
            d.waitTimer.restart()
        }
    }

    onClosed: popup.store.resetTxStoreProperties()

    header: AccountsModalHeader {
        anchors.top: parent.top
        anchors.topMargin: -height - 18
        model: popup.store.accounts
        selectedAccount: popup.selectedAccount
        changeSelectedAccount: function(newAccount, newIndex) {
            if (newIndex > popup.store.accounts) {
                return
            }
            popup.store.switchAccount(newIndex)
        }
    }

    StackLayout {
        id: stack
        anchors.fill: parent
        currentIndex: 0
        clip: true
        ColumnLayout {
            id: group1
            Layout.preferredWidth: parent.width

            Rectangle {
                Layout.preferredWidth: parent.width
                Layout.preferredHeight: assetAndAmmountSelector.height + Style.current.halfPadding
                color: Theme.palette.baseColor3
                z: 100

                layer.enabled: scrollView.contentY > 0
                layer.effect: DropShadow {
                    verticalOffset: 0
                    radius: 8
                    samples: 17
                    color: Theme.palette.dropShadow
                }

                Column {
                    id: assetAndAmmountSelector
                    anchors.left: parent.left
                    anchors.right: parent.right
                    anchors.leftMargin: Style.current.xlPadding
                    anchors.rightMargin: Style.current.xlPadding
                    z: 1
                    spacing: 16

                    RowLayout {
                        width: parent.width
                        spacing: 8
                        StatusBaseText {
                            id: modalHeader
                            Layout.alignment: Qt.AlignVCenter | Qt.AlignLeft
                            text: popup.isBridgeTx ? qsTr("Bridge") : qsTr("Send")
                            font.pixelSize: 28
                            lineHeight: 38
                            lineHeightMode: Text.FixedHeight
                            font.letterSpacing: -0.4
                            color: Theme.palette.directColor1
                            Layout.maximumWidth: contentWidth
                        }
                        StatusAssetSelector {
                            id: assetSelector
                            Layout.fillWidth: true
                            Layout.alignment: Qt.AlignTop | Qt.AlignLeft
                            enabled: popup.interactive
                            assets: popup.selectedAccount && popup.selectedAccount.assets ? popup.selectedAccount.assets : []
                            defaultToken: Style.png("tokens/DEFAULT-TOKEN@3x")
                            placeholderText: qsTr("Select token")
                            currentCurrencySymbol: RootStore.currencyStore.currentCurrencySymbol
                            tokenAssetSourceFn: function (symbol) {
                                return symbol ? Style.png("tokens/%1".arg(symbol)) : defaultToken
                            }
                            searchTokenSymbolByAddressFn: function (address) {
                                if(popup.selectedAccount) {
                                    return popup.selectedAccount.findTokenSymbolByAddress(address)
                                }
                                return ""
                            }
                            getNetworkIcon: function(chainId){
                                return RootStore.getNetworkIcon(chainId)
                            }
                            onSelectedAssetChanged: {
                                if (!assetSelector.selectedAsset || !amountToSendInput.input.text || isNaN(amountToSendInput.input.text)) {
                                    return
                                }
                                popup.recalculateRoutesAndFees()
                            }
                        }
                        StatusListItemTag {
                            Layout.alignment: Qt.AlignVCenter | Qt.AlignRight
                            Layout.preferredHeight: 22
                            title: d.maxFiatBalance && d.maxFiatBalance.amount > 0 ? qsTr("Max: %1").arg(LocaleUtils.currencyAmountToLocaleString(d.maxFiatBalance)) : qsTr("No balances active")
                            closeButtonVisible: false
                            titleText.font.pixelSize: 12
                            bgColor: amountToSendInput.input.valid ? Theme.palette.primaryColor3 : Theme.palette.dangerColor2
                            titleText.color: amountToSendInput.input.valid ? Theme.palette.primaryColor1 : Theme.palette.dangerColor1
                        }
                    }
                    RowLayout {
                        width: parent.width
                        AmountToSend {
                            id: amountToSendInput
                            Layout.fillWidth:true
                            isBridgeTx: popup.isBridgeTx
                            interactive: popup.interactive
                            selectedAsset: assetSelector.selectedAsset
                            maxFiatBalance: d.maxFiatBalance
                            currentCurrency: popup.store.currentCurrency
                            getFiatValue: function(cryptoValue) {
                                return selectedAsset ? popup.currencyStore.getFiatValue(cryptoValue, selectedAsset.symbol, currentCurrency) : undefined
                            }
                            getCryptoValue: function(fiatValue) {
                                return selectedAsset ? popup.currencyStore.getCryptoValue(fiatValue, selectedAsset.symbol, currentCurrency) : undefined
                            }
                            getFiatCurrencyAmount: function(fiatValue) {
                                return popup.currencyStore.getCurrencyAmount(fiatValue, currentCurrency)
                            }
                            getCryptoCurrencyAmount: function(cryptoValue) {
                                return selectedAsset ? popup.currencyStore.getCurrencyAmount(cryptoValue, selectedAsset.symbol) : undefined
                            }
                            onReCalculateSuggestedRoute: popup.recalculateRoutesAndFees()
                        }
                        AmountToReceive {
                            id: amountToReceive
                            Layout.alignment: Qt.AlignRight
                            Layout.fillWidth:true
                            visible: popup.bestRoutes !== undefined && popup.bestRoutes.length > 0
                            store: popup.store
                            isLoading: popup.isLoading
                            selectedAsset: assetSelector.selectedAsset
                            isBridgeTx: popup.isBridgeTx
                            cryptoValueToReceive: d.totalAmountToReceive
                            inputIsFiat: amountToSendInput.inputIsFiat
                            currentCurrency: popup.store.currentCurrency
                            getFiatValue: function(cryptoValue) {
                                return popup.currencyStore.getFiatValue(cryptoValue, selectedAsset.symbol, currentCurrency)
                            }
                        }
                    }
                    TokenListView {
                        id: tokenListRect
                        anchors.left: parent.left
                        anchors.right: parent.right
                        visible: !assetSelector.selectedAsset
                        assets: popup.selectedAccount && popup.selectedAccount.assets ? popup.selectedAccount.assets : []
                        searchTokenSymbolByAddressFn: function (address) {
                            if(popup.selectedAccount) {
                                return popup.selectedAccount.findTokenSymbolByAddress(address)
                            }
                            return ""
                        }
                        getNetworkIcon: function(chainId){
                            return RootStore.getNetworkIcon(chainId)
                        }
                        onTokenSelected: {
                            assetSelector.userSelectedToken = selectedToken.symbol
                            assetSelector.selectedAsset = selectedToken
                        }
                    }
                }
            }

            StatusScrollView {
                id: scrollView
                topPadding: 12
                Layout.fillHeight: true
                Layout.preferredWidth: parent.width
                contentHeight: layout.height + Style.current.padding
                contentWidth: parent.width
                z: 0
                objectName: "sendModalScroll"

                Column {
                    id: layout
                    width: scrollView.availableWidth
                    spacing: Style.current.bigPadding
                    anchors.left: parent.left

                    StatusInput {
                        id: recipientSelector
                        property bool isPending: false

                        height: visible ? implicitHeight: 0
                        visible: !isBridgeTx && !!assetSelector.selectedAsset

                        width: parent.width
                        anchors.left: parent.left
                        anchors.right: parent.right
                        anchors.leftMargin: Style.current.bigPadding
                        anchors.rightMargin: Style.current.bigPadding

                        label: qsTr("To")
                        placeholderText: qsTr("Enter an ENS name or address")
                        input.background.color: Theme.palette.indirectColor1
                        input.background.border.width: 0
                        input.implicitHeight: 56
                        input.clearable: popup.interactive
                        input.edit.readOnly: !popup.interactive
                        multiline: false
                        input.edit.textFormat: TextEdit.RichText
                        input.rightComponent: RowLayout {
                            StatusIcon {
                                Layout.preferredWidth: 16
                                Layout.preferredHeight: 16
                                icon: "tiny/checkmark"
                                color: Theme.palette.primaryColor1
                                visible: d.recipientReady
                            }
                            StatusFlatRoundButton {
                                visible: recipientSelector.text !== ""
                                type: StatusFlatRoundButton.Type.Secondary
                                Layout.preferredWidth: 24
                                Layout.preferredHeight: 24
                                icon.name: "clear"
                                icon.width: 16
                                icon.height: 16
                                icon.color: Theme.palette.baseColor1
                                backgroundHoverColor: "transparent"
                                onClicked: {
                                    recipientSelector.input.edit.clear()
                                    d.waitTimer.restart()
                                }
                            }
                        }
                        Keys.onReleased: {
                            d.waitTimer.restart()
                            if(!d.isAddressValid) {
                                isPending = true
                                Qt.callLater(d.resolveENS, input.edit.text)
                            }
                        }
                    }

                    Connections {
                        target: store.mainModuleInst
                        onResolvedENS: {
                            recipientSelector.isPending = false
                            if(Utils.isValidAddress(resolvedAddress)) {
                                d.resolvedENSAddress = resolvedAddress
                                d.isENSValid = true
                            }
                        }
                    }

                    TabAddressSelectorView {
                        id: addressSelector
                        width: parent.width
                        anchors.left: parent.left
                        anchors.right: parent.right
                        anchors.leftMargin: Style.current.bigPadding
                        anchors.rightMargin: Style.current.bigPadding
                        store: popup.store
                        onContactSelected:  {
                            recipientSelector.input.text = address
                            d.waitTimer.restart()
                        }
                        visible: !d.recipientReady && !isBridgeTx && !!assetSelector.selectedAsset
                    }

                    NetworkSelector {
                        id: networkSelector
                        width: parent.width
                        anchors.left: parent.left
                        anchors.right: parent.right
                        anchors.leftMargin: Style.current.bigPadding
                        anchors.rightMargin: Style.current.bigPadding
                        store: popup.store
                        interactive: popup.interactive
                        selectedAccount: popup.selectedAccount
                        amountToSend: amountToSendInput.cryptoValueToSend
                        requiredGasInEth: d.totalFeesInEth
                        selectedAsset: assetSelector.selectedAsset
                        onReCalculateSuggestedRoute: popup.recalculateRoutesAndFees()
                        visible: d.recipientReady && !!assetSelector.selectedAsset
                        errorType: d.errorType
                        isLoading: popup.isLoading
                        bestRoutes: popup.bestRoutes
                        isBridgeTx: popup.isBridgeTx
                    }

                    FeesView {
                        id: fees
                        width: parent.width
                        anchors.left: parent.left
                        anchors.right: parent.right
                        anchors.leftMargin: Style.current.bigPadding
                        anchors.rightMargin: Style.current.bigPadding
                        visible: d.recipientReady && !!assetSelector.selectedAsset && networkSelector.advancedOrCustomMode
                        selectedTokenSymbol: assetSelector.selectedAsset ? assetSelector.selectedAsset.symbol: ""
                        isLoading: popup.isLoading
                        bestRoutes: popup.bestRoutes
                        store: popup.store
                        gasFiatAmount: d.totalFeesInFiat
                        errorType: d.errorType
                    }
                }
            }
        }
    }

    footer: SendModalFooter {
        nextButtonText: popup.isBridgeTx ? qsTr("Bridge") : qsTr("Send")
        maxFiatFees: popup.isLoading ? "..." : LocaleUtils.currencyAmountToLocaleString(d.totalFeesInFiat)
        totalTimeEstimate: popup.isLoading? "..." : d.totalTimeEstimate
        pending: d.isPendingTx || popup.isLoading
        visible: d.recipientReady && amountToSendInput.cryptoValueToSend && amountToSendInput.cryptoValueToSend.amount > 0 && !d.errorMode
        onNextButtonClicked: popup.sendTransaction()
    }

    Component {
        id: transactionSettingsConfirmationPopupComponent
        TransactionSettingsConfirmationPopup {}
    }

    Connections {
        target: popup.store.walletSectionTransactionsInst
        onSuggestedRoutesReady: {
            let response = JSON.parse(suggestedRoutes)
            if(!!response.error) {
                popup.isLoading = false
                return
            }
            popup.bestRoutes =  response.suggestedRoutes.best
            let gasTimeEstimate = response.suggestedRoutes.gasTimeEstimate
            d.totalTimeEstimate = popup.store.getLabelForEstimatedTxTime(gasTimeEstimate.totalTime)
            d.totalFeesInEth = popup.currencyStore.getCurrencyAmount(gasTimeEstimate.totalFeesInEth, "ETH")
            let totalFeesInFiat = popup.currencyStore.getFiatValue( gasTimeEstimate.totalFeesInEth, "ETH", popup.store.currentCurrency).amount +
                popup.currencyStore.getFiatValue(gasTimeEstimate.totalTokenFees, fees.selectedTokenSymbol, popup.store.currentCurrency).amount
            d.totalFeesInFiat = popup.currencyStore.getCurrencyAmount(totalFeesInFiat, popup.store.currentCurrency)
            d.totalAmountToReceive = popup.currencyStore.getCurrencyAmount(popup.store.getWei2Eth(response.suggestedRoutes.amountToReceive, assetSelector.selectedAsset.decimals), fees.selectedTokenSymbol)
            networkSelector.toNetworksList = response.suggestedRoutes.toNetworks
            popup.isLoading = false
        }
    }

    Connections {
        target: popup.store.walletSectionTransactionsInst
        onTransactionSent: {
            d.isPendingTx = false
            try {
                let response = JSON.parse(txResult)
                if (response.uuid !== d.uuid) return

                if (!response.success) {
                    if (response.error.includes(Constants.walletSection.cancelledMessage)) {
                        return
                    }
                    sendingError.text = response.error
                    return sendingError.open()
                }
                for(var i=0; i<popup.bestRoutes.length; i++) {
                    let txHash = response.result[popup.bestRoutes[i].fromNetwork.chainId]
                    let url =  "%1/%2".arg(popup.store.getEtherscanLink(popup.bestRoutes[i].fromNetwork.chainId)).arg(txHash)
                    Global.displayToastMessage(qsTr("Transaction pending..."),
                                               qsTr("View on etherscan"),
                                               "",
                                               true,
                                               Constants.ephemeralNotificationType.normal,
                                               url)
                }

                popup.close()
            } catch (e) {
                console.error('Error parsing the response', e)
            }
        }
    }
}