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 alias stack: stack
    property alias addressText: recipientSelector.input.text

    property var store
    property var contactsStore
    property var selectedAccount: store.currentAccount
    property var preSelectedRecipient
    property bool launchedFromChat: false
    property MessageDialog sendingError: MessageDialog {
        id: sendingError
        title: qsTr("Error sending the transaction")
        icon: StandardIcon.Critical
        standardButtons: StandardButton.Ok
    }

    function sendTransaction() {
        stack.currentGroup.isPending = true
        let success = false
        success = popup.store.transfer(
            popup.selectedAccount.address,
            recipientSelector.selectedRecipient.address,
            assetSelector.selectedAsset.symbol,
            amountToSendInput.text,
            gasSelector.selectedGasLimit,
            gasSelector.suggestedFees.eip1559Enabled ? "" : gasSelector.selectedGasPrice,
            gasSelector.selectedTipLimit,
            gasSelector.selectedOverallLimit,
            transactionSigner.enteredPassword,
            networkSelector.selectedNetwork.chainId,
            stack.uuid,
            gasSelector.suggestedFees.eip1559Enabled,
        )
    }

    property var recalculateRoutesAndFees: Backpressure.debounce(popup, 600, function(disabledChainIds) {
        if (disabledChainIds === undefined) disabledChainIds = []
        networkSelector.suggestedRoutes = popup.store.suggestedRoutes(
            popup.selectedAccount.address, amountToSendInput.text, assetSelector.selectedAsset.symbol, disabledChainIds
        )
        if (networkSelector.suggestedRoutes.length) {
            networkSelector.selectedNetwork = networkSelector.suggestedRoutes[0]
            gasSelector.suggestedFees = popup.store.suggestedFees(networkSelector.suggestedRoutes[0].chainId)
            gasSelector.checkOptimal()
            gasSelector.visible = true
        } else {
            networkSelector.selectedNetwork = ""
            gasSelector.visible = false
        }
    })

    QtObject {
        id: d
        readonly property string maxFiatBalance: Utils.stripTrailingZeros(parseFloat(assetSelector.selectedAsset.totalBalance).toFixed(4))
        readonly property bool isReady: amountToSendInput.valid && !amountToSendInput.pending && recipientReady
        readonly property bool errorMode: networkSelector.suggestedRoutes && networkSelector.suggestedRoutes.length <= 0 || networkSelector.errorMode
        property bool recipientReady: recipientSelector.isValid && !recipientSelector.isPending
        onIsReadyChanged: {
            if(!isReady && stack.isLastGroup)
                stack.back()
        }
    }

    width: 556
    height: 595

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

    onSelectedAccountChanged: popup.recalculateRoutesAndFees()

    onOpened: {
        amountToSendInput.input.edit.forceActiveFocus()

        if(popup.launchedFromChat) {
            recipientSelector.selectedType = RecipientSelector.Type.Contact
            recipientSelector.readOnly = true
            recipientSelector.selectedRecipient = popup.preSelectedRecipient
        }

        popup.recalculateRoutesAndFees()
    }

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

   TransactionStackView {
        id: stack
        property alias currentGroup: stack.currentGroup
        TransactionFormGroup {
            id: group1
            anchors.fill: parent
            color: Theme.palette.baseColor3

            ColumnLayout {
                id: assetAndAmmountSelector
                anchors.top: parent.top
                anchors.right: parent.right
                anchors.left: parent.left
                anchors.leftMargin: Style.current.xlPadding
                anchors.rightMargin: Style.current.xlPadding
                z: 1

                RowLayout {
                    spacing: 16
                    StatusBaseText {
                        text: qsTr("Send")
                        font.pixelSize: 15
                        color: Theme.palette.directColor1
                        Layout.alignment: Qt.AlignVCenter
                    }
                    StatusListItemTag {
                        title: assetSelector.selectedAsset.totalBalance > 0 ? qsTr("Max: ") + (assetSelector.selectedAsset ? d.maxFiatBalance : "0.00") : qsTr("No balances active")
                        closeButtonVisible: false
                        titleText.font.pixelSize: 12
                        Layout.preferredHeight: 22
                        Layout.preferredWidth: childrenRect.width
                        color: d.errorMode ? Theme.palette.dangerColor2 : Theme.palette.primaryColor3
                        titleText.color: d.errorMode ? Theme.palette.dangerColor1 : Theme.palette.primaryColor1
                    }
                }
                Item {
                    Layout.fillWidth: true
                    Layout.preferredHeight: childrenRect.height
                    AmountInputWithCursor {
                        id: amountToSendInput
                        anchors.verticalCenter: parent.verticalCenter
                        anchors.left: parent.left
                        anchors.leftMargin: -Style.current.padding
                        width: parent.width - assetSelector.width
                        placeholderText: "0.00" + " " + assetSelector.selectedAsset.symbol
                        errorMessageCmp.anchors.rightMargin: -100
                        input.edit.color: d.errorMode ? Theme.palette.dangerColor1 : Theme.palette.directColor1
                        validators: [
                            StatusFloatValidator{
                                id: floatValidator
                                bottom: 0
                                top: d.maxFiatBalance
                                errorMessage: qsTr("Please enter a valid amount")
                            }
                        ]
                        Keys.onReleased: {
                            let amount = amountToSendInput.text.trim()

                            if (isNaN(amount)) {
                                return
                            }
                            if (amount === "") {
                                txtFiatBalance.text = "0.00"
                            } else {
                                txtFiatBalance.text = popup.store.getFiatValue(amount, assetSelector.selectedAsset.symbol, popup.store.currentCurrency)
                            }
                            gasSelector.estimateGas()
                            popup.recalculateRoutesAndFees()
                        }
                    }
                    StatusAssetSelector {
                        id: assetSelector
                        anchors.verticalCenter: parent.verticalCenter
                        anchors.right: parent.right
                        assets: popup.selectedAccount.assets
                        defaultToken: Style.png("tokens/DEFAULT-TOKEN@3x")
                        getCurrencyBalanceString: function (currencyBalance) {
                            return Utils.toLocaleString(currencyBalance.toFixed(2), popup.store.locale, {"currency": true}) + " " + popup.store.currentCurrency.toUpperCase()
                        }
                        tokenAssetSourceFn: function (symbol) {
                            return symbol ? Style.png("tokens/" + symbol) : defaultToken
                        }
                        onSelectedAssetChanged: {
                            if (!assetSelector.selectedAsset) {
                                return
                            }
                            if (amountToSendInput.text === "" || isNaN(amountToSendInput.text)) {
                                return
                            }
                            txtFiatBalance.text = popup.store.getFiatValue(amountToSendInput.text, assetSelector.selectedAsset.symbol, popup.store.currentCurrency)
                            gasSelector.estimateGas()
                            popup.recalculateRoutesAndFees()
                        }
                    }
                }
                RowLayout {
                    Layout.alignment: Qt.AlignLeft
                    StyledTextField {
                        id: txtFiatBalance
                        color: txtFiatBalance.activeFocus ? Style.current.textColor : Style.current.secondaryText
                        font.weight: Font.Medium
                        font.pixelSize: 12
                        inputMethodHints: Qt.ImhFormattedNumbersOnly
                        text: "0.00"
                        selectByMouse: true
                        background: Rectangle {
                            color: Style.current.transparent
                        }
                        padding: 0
                        Keys.onReleased: {
                            let balance = txtFiatBalance.text.trim()
                            if (balance === "" || isNaN(balance)) {
                                return
                            }
                            // To-Do Not refactored yet
                            // amountToSendInput.text = root.getCryptoValue(balance, popup.store.currentCurrency, assetSelector.selectedAsset.symbol)
                        }
                    }
                    StatusBaseText {
                        id: currencyText
                        text: popup.store.currentCurrency.toUpperCase()
                        font.pixelSize: 13
                        color: Theme.palette.directColor5
                    }
                }
            }

            Rectangle {
                id: border
                anchors.top: assetAndAmmountSelector.bottom
                anchors.topMargin: Style.current.padding
                anchors.left: parent.left
                anchors.right: parent.right

                height: 1
                color: Theme.palette.directColor8
                visible: false
            }

            DropShadow {
                anchors.fill: border
                horizontalOffset: 0
                verticalOffset: 2
                radius: 8.0
                samples: 17
                color: Theme.palette.directColor1
                source: border
            }

            StatusScrollView {
                id: scrollView
                height: stack.height - assetAndAmmountSelector.height - Style.current.bigPadding
                width: parent.width
                anchors.top: border.bottom
                anchors.left: parent.left
                z: 0
                objectName: "sendModalScroll"

                ColumnLayout {
                    width: scrollView.availableWidth
                    spacing: Style.current.halfPadding
                    anchors.left: parent.left

                    // To-do use standard StatusInput component once the flow for ens name resolution is clear
                    RecipientSelector {
                        id: recipientSelector
                        accounts: popup.store.accounts
                        contactsStore: popup.contactsStore
                        label: qsTr("To")
                        input.placeholderText: qsTr("Enter an ENS name or address")
                        input.anchors.leftMargin: 0
                        input.anchors.rightMargin: 0
                        input.textField.anchors.rightMargin: 0
                        input.bgColor: Theme.palette.indirectColor1
                        labelFont.pixelSize: 15
                        labelFont.weight: Font.Normal
                        input.height: 56
                        inputWidth: parent.width
                        isSelectorVisible: false
                        addContactEnabled: false
                        onSelectedRecipientChanged: gasSelector.estimateGas()
                        Layout.fillWidth: true
                        Layout.leftMargin: Style.current.bigPadding
                        Layout.rightMargin: Style.current.bigPadding

                        StatusButton {
                            anchors.right: parent.right
                            anchors.rightMargin: 16
                            anchors.bottom: parent.bottom
                            anchors.bottomMargin: 8

                            visible: recipientSelector.input.textField.text === ""

                            border.width: 1
                            border.color: Theme.palette.primaryColor1
                            size: StatusBaseButton.Size.Tiny
                            text: qsTr("Paste")
                            onClicked: recipientSelector.input.textField.paste()
                        }
                    }

                    TabAddressSelectorView {
                        id: addressSelector
                        store: popup.store
                        onContactSelected:  {
                            recipientSelector.input.text = address
                        }
                        Layout.fillWidth: true
                        Layout.leftMargin: Style.current.bigPadding
                        Layout.rightMargin: Style.current.bigPadding
                        visible: !d.recipientReady
                    }

                    NetworkSelector {
                        id: networkSelector
                        store: popup.store
                        selectedAccount: popup.selectedAccount
                        amountToSend: isNaN(parseFloat(amountToSendInput.text)) ? 0 : parseFloat(amountToSendInput.text)
                        requiredGasInEth: gasSelector.selectedGasEthValue
                        assets: popup.selectedAccount.assets
                        selectedAsset: assetSelector.selectedAsset
                        onNetworkChanged: function(chainId) {
                            gasSelector.suggestedFees = popup.store.suggestedFees(chainId)
                            gasSelector.updateGasEthValue()
                        }
                        onReCalculateSuggestedRoute: popup.recalculateRoutesAndFees(disabledChainIds)
                        Layout.fillWidth: true
                        Layout.leftMargin: Style.current.bigPadding
                        Layout.rightMargin: Style.current.bigPadding
                        visible: d.recipientReady
                    }

                    Rectangle {
                        id: fees
                        radius: 13
                        color: Theme.palette.indirectColor1
                        Layout.preferredHeight: text.height + gasSelector.height + gasValidator.height + Style.current.padding
                        Layout.fillWidth: true
                        Layout.leftMargin: Style.current.bigPadding
                        Layout.rightMargin: Style.current.bigPadding
                        visible: d.recipientReady

                        RowLayout {
                            id: feesLayout
                            spacing: 10
                            anchors.top: parent.top
                            anchors.left: parent.left
                            anchors.margins: Style.current.padding

                            StatusRoundIcon {
                                id: feesIcon
                                Layout.alignment: Qt.AlignTop
                                radius: 8
                                icon.name: "fees"
                            }
                            ColumnLayout {
                                Layout.alignment: Qt.AlignTop | Qt.AlignHCenter
                                Layout.preferredWidth: fees.width - feesIcon.width - Style.current.xlPadding
                                StatusBaseText {
                                    id: text
                                    Layout.maximumWidth: 410
                                    font.pixelSize: 15
                                    font.weight: Font.Medium
                                    color: Theme.palette.directColor1
                                    text: qsTr("Fees")
                                    wrapMode: Text.WordWrap
                                }
                                GasSelector {
                                    id: gasSelector
                                    Layout.fillWidth: true
                                    getGasEthValue: popup.store.getGasEthValue
                                    getFiatValue: popup.store.getFiatValue
                                    getEstimatedTime: popup.store.getEstimatedTime
                                    defaultCurrency: popup.store.currentCurrency
                                    chainId: networkSelector.selectedNetwork && networkSelector.selectedNetwork.chainId ? networkSelector.selectedNetwork.chainId : 1
                                    property var estimateGas: Backpressure.debounce(gasSelector, 600, function() {
                                        if (!(popup.selectedAccount && popup.selectedAccount.address &&
                                            recipientSelector.selectedRecipient && recipientSelector.selectedRecipient.address &&
                                            assetSelector.selectedAsset && assetSelector.selectedAsset.symbol &&
                                            amountToSendInput.text)) {
                                            selectedGasLimit = 250000
                                            defaultGasLimit = selectedGasLimit
                                            return
                                        }

                                        var chainID = networkSelector.selectedNetwork ? networkSelector.selectedNetwork.chainId: 1

                                        let gasEstimate = JSON.parse(popup.store.estimateGas(
                                                                        popup.selectedAccount.address,
                                                                        recipientSelector.selectedRecipient.address,
                                                                        assetSelector.selectedAsset.symbol,
                                                                        amountToSendInput.text,
                                                                        chainID,
                                                                        ""))

                                        if (!gasEstimate.success) {
                                            console.warn("error estimating gas: ", gasEstimate.error.message)
                                            return
                                        }

                                        selectedGasLimit = gasEstimate.result
                                        defaultGasLimit = selectedGasLimit
                                    })
                                }
                                GasValidator {
                                    id: gasValidator
                                    Layout.fillWidth: true
                                    selectedAccount: popup.selectedAccount
                                    selectedAmount: amountToSendInput.text === "" ? 0.0 :
                                                    parseFloat(amountToSendInput.text)
                                    selectedAsset: assetSelector.selectedAsset
                                    selectedGasEthValue: gasSelector.selectedGasEthValue
                                    selectedNetwork: networkSelector.selectedNetwork ? networkSelector.selectedNetwork: null
                                }
                            }
                        }
                    }
                }
            }
        }
        TransactionFormGroup {
            id: group4

            color: Theme.palette.baseColor3

            StackView.onActivated: {
                transactionSigner.forceActiveFocus(Qt.MouseFocusReason)
            }

            TransactionSigner {
                id: transactionSigner
                anchors.left: parent.left
                anchors.right: parent.right
                anchors.topMargin: Style.current.smallPadding
                anchors.margins: 32
                signingPhrase: popup.store.signingPhrase
            }
        }
    }

    footer: SendModalFooter {
        maxFiatFees: gasSelector.maxFiatFees
        estimatedTxTimeFlag: gasSelector.estimatedTxTimeFlag
        currentGroupPending: stack.currentGroup.isPending
        currentGroupValid: stack.currentGroup.isValid
        isLastGroup: stack.isLastGroup
        visible: d.isReady && !isNaN(parseFloat(amountToSendInput.text)) && gasValidator.isValid
        onNextButtonClicked: {
            const validity = stack.currentGroup.validate()
            if (validity.isValid && !validity.isPending) {
                if (stack.isLastGroup) {
                    return popup.sendTransaction()
                }

                if(gasSelector.suggestedFees.eip1559Enabled && stack.currentGroup === group1 && gasSelector.advancedMode){
                    if(gasSelector.showPriceLimitWarning || gasSelector.showTipLimitWarning){
                        Global.openPopup(transactionSettingsConfirmationPopupComponent, {
                                             currentBaseFee: gasSelector.suggestedFees.baseFee,
                                             currentMinimumTip: gasSelector.perGasTipLimitFloor,
                                             currentAverageTip: gasSelector.perGasTipLimitAverage,
                                             tipLimit: gasSelector.selectedTipLimit,
                                             suggestedTipLimit: gasSelector.perGasTipLimitFloor,
                                             priceLimit: gasSelector.selectedOverallLimit,
                                             suggestedPriceLimit: gasSelector.suggestedFees.baseFee + gasSelector.perGasTipLimitFloor,
                                             showPriceLimitWarning: gasSelector.showPriceLimitWarning,
                                             showTipLimitWarning: gasSelector.showTipLimitWarning,
                                             onConfirm: function(){
                                                 stack.next();
                                             }
                                         })
                        return
                    }
                }

                stack.next()
            }
        }
    }

    Component {
        id: transactionSettingsConfirmationPopupComponent
        TransactionSettingsConfirmationPopup {}
    }

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

                stack.currentGroup.isPending = false

                if (!response.success) {
                    if (Utils.isInvalidPasswordMessage(response.result)){
                        transactionSigner.validationError = qsTr("Wrong password")
                        return
                    }
                    sendingError.text = response.result
                    return sendingError.open()
                }

                let url = `${popup.store.getEtherscanLink()}/${response.result}`
                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)
            }
        }
        // Not Refactored Yet
        //            onTransactionCompleted: {
        //                if (success) {
        //                    //% "Transaction completed"
        //                    Global.toastMessage.title = qsTr("Wrong password")
        //                    Global.toastMessage.source = Style.svg("check-circle")
        //                    Global.toastMessage.iconColor = Style.current.success
        //                } else {
        //                    //% "Transaction failed"
        //                    Global.toastMessage.title = qsTr("Wrong password")
        //                    Global.toastMessage.source = Style.svg("block-icon")
        //                    Global.toastMessage.iconColor = Style.current.danger
        //                }
        //                Global.toastMessage.link = `${walletModel.utilsView.etherscanLink}/${txHash}`
        //                Global.toastMessage.open()
        //            }
    }
}