import QtQuick 2.0
import QtQuick.Layouts 1.0
import QtQuick.Controls 1.1
import QtQuick.Controls.Styles 1.3
import org.ethereum.qml.QEther 1.0
import Qt.labs.settings 1.0
import "js/TransactionHelper.js" as TransactionHelper
import "js/NetworkDeployment.js" as NetworkDeploymentCode
import "js/QEtherHelper.js" as QEtherHelper
import "."

Rectangle {
	property variant worker
	property string eth: registrarAddr.text
	property int ownedRegistrarDeployGas: 1179075 // TODO: Use sol library to calculate gas requirement for each tr.
	property int ownedRegistrarSetSubRegistrarGas: 50000
	property int ownedRegistrarSetContentHashGas: 50000
	property int urlHintSuggestUrlGas: 70000
	id: root
	color: "#E3E3E3E3"
	anchors.fill: parent
	signal registered

	function show()
	{
		ctrRegisterLabel.calculateRegisterGas()
		applicationUrlEthCtrl.text = projectModel.applicationUrlEth
		applicationUrlHttpCtrl.text = projectModel.applicationUrlHttp
		visible = true

		verificationEthUrl.text = ""
		if (projectModel.registerContentHashTrHash !== "")
		{
			worker.verifyHash("registerHash", projectModel.registerContentHashTrHash, function(bn, trLost)
			{
				updateVerification(projectModel.registerContentHashBlockNumber, bn, trLost, verificationEthUrl, "registerHash")
			});
		}

		verificationUrl.text = ""
		if (projectModel.registerUrlTrHash !== "")
		{
			worker.verifyHash("registerUrl", projectModel.registerUrlTrHash, function(bn, trLost)
			{
				updateVerification(projectModel.registerUrlBlockNumber, bn, trLost, verificationUrl, "registerUrl")
			});
		}
	}

	function updateVerification(originbn, bn, trLost, ctrl, trContext)
	{
		if (trLost.length === 0)
		{
			ctrl.text = bn - originbn
			if (parseInt(bn - originbn) >= 10)
			{
				ctrl.color= "green"
				ctrl.text= qsTr("verified")
			}
			else
				ctrl.text += qsTr(" verifications")
		}
		else
		{
			deploymentStepChanged(trContext + qsTr(" has been invalidated.") + trLost[0] + " " + qsTr("no longer present") )
			ctrl.text = qsTr("invalidated")
		}
	}

	ColumnLayout
	{
		anchors.top: parent.top
		width: parent.width
		anchors.topMargin: 10
		id: col
		spacing: 20
		Label
		{
			anchors.top: parent.top
			anchors.left: parent.left
			anchors.leftMargin: 10
			Layout.fillWidth: true
			text: qsTr("Register your Dapp on the Name registrar Contract")
		}

		RowLayout
		{
			Layout.fillWidth: true
			Layout.preferredHeight: 20
			Rectangle
			{
				Layout.preferredWidth: col.width / 2
				Label
				{
					text: qsTr("Root Registrar address")
					anchors.right: parent.right
					anchors.verticalCenter: parent.verticalCenter
				}
			}

			DefaultTextField
			{
				id: registrarAddr
				text: "c6d9d2cd449a754c494264e1809c50e34d64562b"
				visible: true
				Layout.preferredWidth: 235
			}
		}

		RowLayout
		{
			Layout.fillWidth: true
			Layout.preferredHeight: 20
			Rectangle
			{
				Layout.preferredWidth: col.width / 2
				Label
				{
					text: qsTr("Http URL")
					anchors.right: parent.right
					anchors.verticalCenter: parent.verticalCenter
				}
			}

			DefaultTextField
			{
				id: applicationUrlHttpCtrl
				Layout.preferredWidth: 235
			}

			Label
			{
				id: verificationUrl
				anchors.verticalCenter: parent.verticalCenter
			}
		}

		RowLayout
		{
			Layout.fillWidth: true
			Layout.preferredHeight: 20
			Rectangle
			{
				Layout.preferredWidth: col.width / 2
				Label
				{
					text: qsTr("Registration Cost")
					anchors.right: parent.right
					anchors.verticalCenter: parent.verticalCenter
					id: ctrRegisterLabel
					function calculateRegisterGas()
					{
						if (!modalDeploymentDialog.visible)
							return;
						appUrlFormatted.text = NetworkDeploymentCode.formatAppUrl(applicationUrlEthCtrl.text).join('/');
						NetworkDeploymentCode.checkPathCreationCost(applicationUrlEthCtrl.text, function(pathCreationCost)
						{
							var ether = QEtherHelper.createBigInt(pathCreationCost);
							var gasTotal = ether.multiply(worker.gasPriceInt);
							gasToUseDeployInput.value = QEtherHelper.createEther(gasTotal.value(), QEther.Wei, parent);
							gasToUseDeployInput.update();
						});
					}
				}
			}

			Ether
			{
				id: gasToUseDeployInput
				displayUnitSelection: true
				displayFormattedValue: true
				edit: false
				Layout.preferredWidth: 235
			}
		}

		RowLayout
		{
			Layout.fillWidth: true
			Layout.preferredHeight: 20
			Rectangle
			{
				Layout.preferredWidth: col.width / 2
				Label
				{
					text: qsTr("Ethereum URL")
					anchors.right: parent.right
					anchors.verticalCenter: parent.verticalCenter
				}			
			}

			Rectangle
			{
				height: 25
				color: "transparent"
				Layout.preferredWidth: 235
				DefaultTextField
				{
					width: 235
					id: applicationUrlEthCtrl
					onTextChanged: {
						ctrRegisterLabel.calculateRegisterGas();
					}
				}
			}
		}

		RowLayout
		{
			Layout.fillWidth: true
			Layout.preferredHeight: 20
			Rectangle
			{
				Layout.preferredWidth: col.width / 2
				Label
				{
					text: qsTr("Formatted Ethereum URL")
					anchors.right: parent.right
					anchors.verticalCenter: parent.verticalCenter
				}
			}

			DefaultLabel
			{
				id: appUrlFormatted
				anchors.verticalCenter: parent.verticalCenter;
				anchors.topMargin: 10
				font.italic: true
				font.pointSize: appStyle.absoluteSize(-1)
			}

			Label
			{
				id: verificationEthUrl
			}
		}
	}

	RowLayout
	{
		anchors.bottom: parent.bottom
		anchors.bottomMargin: 10
		width: parent.width		

		function registerHash(gasPrice, callback)
		{
			var inError = [];
			var ethUrl = NetworkDeploymentCode.formatAppUrl(applicationUrlEthCtrl.text);
			for (var k in ethUrl)
			{
				if (ethUrl[k].length > 32)
					inError.push(qsTr("Member too long: " + ethUrl[k]) + "\n");
			}
			if (!worker.stopForInputError(inError))
			{				
				NetworkDeploymentCode.registerDapp(ethUrl, gasPrice,  function(){
					projectModel.applicationUrlEth = applicationUrlEthCtrl.text
					projectModel.saveProject()
					worker.waitForTrReceipt(projectModel.registerContentHashTrHash, function(status, receipt)
					{
						worker.verifyHash("registerHash", projectModel.registerContentHashTrHash, function(bn, trLost)
						{
							projectModel.registerContentHashBlockNumber = bn
							projectModel.saveProject()
							root.updateVerification(bn, bn, trLost, verificationEthUrl)
							callback()
						});
					});
				})
			}
		}

		function registerUrl(gasPrice, callback)
		{
			if (applicationUrlHttp.text === "" || deploymentDialog.packageHash === "")
			{
				deployDialog.title = text;
				deployDialog.text = qsTr("Please provide the link where the resources are stored and ensure the package is aleary built using the deployment step.")
				deployDialog.open();
				return;
			}
			var inError = [];
			if (applicationUrlHttpCtrl.text.length > 32)
				inError.push(qsTr(applicationUrlHttpCtrl.text));
			if (!worker.stopForInputError(inError))
			{
				registerToUrlHint(applicationUrlHttpCtrl.text, gasPrice, function(){
					projectModel.applicationUrlHttp = applicationUrlHttpCtrl.text
					projectModel.saveProject()
					worker.waitForTrReceipt(projectModel.registerUrlTrHash, function(status, receipt)
					{
						worker.verifyHash("registerUrl", projectModel.registerUrlTrHash, function(bn, trLost)
						{
							projectModel.registerUrlBlockNumber = bn
							projectModel.saveProject()
							root.updateVerification(bn, bn, trLost, verificationUrl)
							root.registered()
							callback()
						});
					})
				})
			}
		}

		Button
		{
			anchors.right: parent.right
			anchors.rightMargin: 10
			text: qsTr("Register Dapp")
			width: 30
			onClicked:
			{
				var gasPrice = deploymentDialog.deployStep.gasPrice.toHexWei()
				parent.registerHash(gasPrice, function(){
					parent.registerUrl(gasPrice, function(){})
				})
			}
		}
	}
}