import QtQuick 2.13
import QtQuick.Controls 2.13
import QtQuick.Layouts 1.13

import utils 1.0

import "../../../../shared"
import "../../../../shared/status"
import "../stores"

ModalPopup {
    id: popup

    property bool editable: true
    property int marginBetweenInputs: 35
    property string validationError: ""

    title: editable ? 
        //% "Add custom token"
        qsTrId("add-custom-token")
        : nameInput.text

    height: editable ? 450 : 380

    onOpened: {
        addressInput.forceActiveFocus(Qt.MouseFocusReason)
    }

    function openEditable(){
        addressInput.text = "";
        nameInput.text = "";
        symbolInput.text = "";
        decimalsInput.text = "";
        editable = true;
        open();
    }

    function openWithData(address, name, symbol, decimals){
        addressInput.text = address;
        nameInput.text = name;
        symbolInput.text = symbol;
        decimalsInput.text = decimals;
        editable = false;
        open();
    }


    function validate() {
        if (addressInput.text !== "" && !Utils.isAddress(addressInput.text)) {
            //% "This needs to be a valid address"
            validationError = qsTrId("this-needs-to-be-a-valid-address");
        }
        return validationError === ""
    }

    property var getTokenDetails: Backpressure.debounce(popup, 500, function (tokenAddress){
        RootStore.customTokenList.getTokenDetails(tokenAddress)
    });

    function onKeyReleased(){
        validationError = "";
        if (!validate() || addressInput.text === "") {
            return;
        }
        Qt.callLater(getTokenDetails, addressInput.text)
    }

    Item {
        Connections {
            target: RootStore.customTokenList
            onTokenDetailsWereResolved: {
                const jsonObj = JSON.parse(tokenDetails)
                if (jsonObj.error) {
                    validationError = jsonObj.error
                    return
                }
                if (jsonObj.name === "" && jsonObj.symbol === "" && jsonObj.decimals === "") {
                    //% "Invalid ERC20 address"
                    validationError = qsTrId("invalid-erc20-address")
                    return;
                }

                if (addressInput.text.toLowerCase() === jsonObj.address.toLowerCase()) {
                    symbolInput.text = jsonObj.symbol;
                    decimalsInput.text = jsonObj.decimals;
                    nameInput.text = jsonObj.name;
                }
            }
        }
    }

    Input {
        id: addressInput
        readOnly: !editable
        textField.maximumLength: 42
        //% "Enter contract address..."
        placeholderText: qsTrId("enter-contract-address...")
        //% "Contract address"
        label: qsTrId("contract-address")
        validationError: popup.validationError
        Keys.onReleased: onKeyReleased()
    }

    Input {
        id: nameInput
        readOnly: !editable
        anchors.top: addressInput.bottom
        anchors.topMargin: marginBetweenInputs
        //% "The name of your token..."
        placeholderText: qsTrId("the-name-of-your-token...")
        //% "Name"
        label: qsTrId("name")
    }

    Input {
        id: symbolInput
        readOnly: !editable
        //% "ABC"
        placeholderText: qsTrId("abc")
        //% "Symbol"
        label: qsTrId("symbol")
        anchors.top: nameInput.bottom
        anchors.topMargin: marginBetweenInputs
        anchors.left: parent.left
        anchors.right: undefined
        width: parent.width / 2 - 20
    }

    Input {
        id: decimalsInput
        readOnly: !editable
        placeholderText: "18"
        //% "Decimals"
        label: qsTrId("decimals")
        text: "18"
        anchors.top: nameInput.bottom
        anchors.topMargin: marginBetweenInputs
        anchors.right: parent.right
        anchors.left: undefined
        width: parent.width / 2 - 20
    }
    
    footer: Item {
        width: parent.width
        height: addBtn.height
        visible: editable

        StatusButton {
            id: addBtn
            anchors.top: parent.top
            anchors.right: parent.right
            anchors.rightMargin: Style.current.padding
            //% "Add"
            text: qsTrId("add")

            enabled: validationError === "" && addressInput.text !== "" && nameInput.text !== "" && symbolInput.text !== "" && decimalsInput.text !== ""

            onClicked : {
                const error = RootStore.addCustomToken(addressInput.text, nameInput.text, symbolInput.text, decimalsInput.text);

                if (error) {
                    errorSound.play()
                    changeError.text = error
                    changeError.open()
                    return
                }

                RootStore.loadCustomTokens()
                popup.close();
            }
        }
    }
}