import QtQuick 2.0
import QtQuick.Controls 1.0;
import QtQuick.Layouts 1.0;
import QtQuick.Dialogs 1.0;
import QtQuick.Window 2.1;
import QtQuick.Controls.Styles 1.1
import Ethereum 1.0


ApplicationWindow {
  id: root

  width: 900
  height: 600
  minimumHeight: 300

  title: "Ethereal"

  MenuBar {
    Menu {
      title: "File"
      MenuItem {
        text: "Import App"
        shortcut: "Ctrl+o"
        onTriggered: openAppDialog.open()
      }
    }

    Menu {
      title: "Tools"
      MenuItem {
        text: "Muted"
        shortcut: "Ctrl+e"
        onTriggered: ui.muted("")
      }

      MenuItem {
        text: "Debugger"
        shortcut: "Ctrl+d"
        onTriggered: ui.startDebugger()
      }
    }

    Menu {
      title: "Network"
      MenuItem {
        text: "Add Peer"
        shortcut: "Ctrl+p"
        onTriggered: {
          addPeerWin.visible = true
        }
      }

      MenuItem {
        text: "Start"
        onTriggered: ui.connect()
      }
    }

    Menu {
      title: "Help"
      MenuItem {
        text: "About"
        onTriggered: {
          aboutWin.visible = true
        }
      }
    }

  }


  property var blockModel: ListModel {
    id: blockModel
  }

  function setView(view) {
    networkView.visible = false
    historyView.visible = false
    newTxView.visible = false
    infoView.visible = false
    view.visible = true
    //root.title = "Ethereal - " = view.title
  }

  SplitView {
    anchors.fill: parent
    resizing: false

    Rectangle {
      id: menu
      Layout.minimumWidth: 80
      Layout.maximumWidth: 80
      anchors.bottom: parent.bottom
      anchors.top: parent.top
      //color: "#D9DDE7"
      color: "#252525"

      ColumnLayout {
        y: 50
        anchors.left: parent.left
        anchors.right: parent.right
        height: 200
        Image {
          source: ui.assetPath("tx.png")
          anchors.horizontalCenter: parent.horizontalCenter
          MouseArea {
            anchors.fill: parent
            onClicked: {
              setView(historyView)
            }
          }
        }
        Image {
          source: ui.assetPath("new.png")
          anchors.horizontalCenter: parent.horizontalCenter
          MouseArea {
            anchors.fill: parent
            onClicked: {
              setView(newTxView)
            }
          }
        }
        Image {
          source: ui.assetPath("net.png")
          anchors.horizontalCenter: parent.horizontalCenter
          MouseArea {
            anchors.fill: parent
            onClicked: {
              setView(networkView)
            }
          }
        }

        Image {
          source: ui.assetPath("heart.png")
          anchors.horizontalCenter: parent.horizontalCenter
          MouseArea {
            anchors.fill: parent
            onClicked: {
              setView(infoView)
            }
          }
        }
      }
    }

    Rectangle {
      id: mainView
      color: "#00000000"
      anchors.right: parent.right
      anchors.left: menu.right
      anchors.bottom: parent.bottom
      anchors.top: parent.top

      property var txModel: ListModel {
        id: txModel
      }

      Rectangle {
        id: historyView
        anchors.fill: parent

        property var title: "Transactions"
        TableView {
          id: txTableView
          anchors.fill: parent
          TableViewColumn{ role: "inout" ; title: "" ; width: 40 }
          TableViewColumn{ role: "value" ; title: "Value" ; width: 100 }
          TableViewColumn{ role: "address" ; title: "Address" ; width: 430 }
          TableViewColumn{ role: "contract" ; title: "Contract" ; width: 100 }

          model: txModel
        }
      }

      Rectangle {
        id: newTxView
        property var title: "New transaction"
        visible: false
        anchors.fill: parent
        color: "#00000000"
        TabView{
          anchors.fill: parent
          anchors.rightMargin: 5
          anchors.leftMargin: 5
          anchors.topMargin: 5
          anchors.bottomMargin: 5
          id: newTransactionTab
          Component.onCompleted:{
            addTab("Simple send", newTransaction)
            addTab("Contracts", newContract)
          }
        }
      }

      Rectangle {
        id: networkView
        property var title: "Network"
        visible: false
        anchors.fill: parent

        TableView {
          id: blockTable
          width: parent.width
          anchors.top: parent.top
          anchors.bottom: logView.top
          TableViewColumn{ role: "number" ; title: "#" ; width: 100 }
          TableViewColumn{ role: "hash" ; title: "Hash" ; width: 560 }
          TableViewColumn{ role: "txAmount" ; title: "Tx amount" ; width: 100 }

          model: blockModel

          onDoubleClicked: {
            popup.visible = true
            popup.setDetails(blockModel.get(row))
          }
        }

        property var logModel: ListModel {
          id: logModel
        }

        TableView {
          id: logView
          width: parent.width
          height: 150
          anchors.bottom: parent.bottom
          TableViewColumn{ role: "description" ; title: "log" }

          model: logModel
        }
      }

      Rectangle {
        id: infoView
        property var title: "Information"
        visible: false
        color: "#00000000"
        anchors.fill: parent

        Label {
          id: addressLabel
          text: "Address"
          anchors {
            margins: 5
            top: parent.top
            left: parent.left
          }
        }
        TextField {
          anchors {
            margins: 5
            left: addressLabel.right
            top: parent.top
          }
          text: pub.getKey().address
          width: 500
        }
      }

      /*
       signal addPlugin(string name)
       Component {
         id: pluginWindow
         Rectangle {
           anchors.fill: parent
           Label {
             id: pluginTitle
             anchors.centerIn: parent
             text: "Hello world"
           }
           Component.onCompleted: setView(this)
         }
       }

       onAddPlugin: {
         var pluginWin = pluginWindow.createObject(mainView)
         console.log(pluginWin)
         pluginWin.pluginTitle.text = "Test"
       }
       */
    }
  }

  FileDialog {
    id: openAppDialog
    title: "Open QML Application"
    onAccepted: {
      //ui.open(openAppDialog.fileUrl.toString())
      //ui.openHtml(Qt.resolvedUrl(ui.assetPath("test.html")))
      ui.openHtml(openAppDialog.fileUrl.toString())
    }
  }

  statusBar: StatusBar {
    RowLayout {
      anchors.fill: parent

      Button {
        property var enabled: true
        id: debuggerWindow
        onClicked: {
          ui.startDebugger()
        }
        text: "Debugger"
      }

      Button {
        id: importAppButton
        anchors.left: debuggerWindow.right
        anchors.leftMargin: 5
        onClicked: openAppDialog.open()
        text: "Import App"
      }

      Label {
        anchors.left: importAppButton.right
        anchors.leftMargin: 5
        id: walletValueLabel
      }

      Label {
        anchors.right: peerImage.left
        anchors.rightMargin: 5
        id: peerLabel
        font.pixelSize: 8
        text: "0 / 0"
      }
      Image {
        id: peerImage
        anchors.right: parent.right
        width: 10; height: 10
        source: ui.assetPath("network.png")
      }
    }
  }

  Window {
    id: popup
    visible: false
    property var block
    width: root.width
    height: 240
    Component{
      id: blockDetailsDelegate
      Rectangle {
        color: "#252525"
        width: popup.width
        height: 200
        Column {
          anchors.leftMargin: 10
          anchors.topMargin: 5
          anchors.top: parent.top
          anchors.left: parent.left
          Text { text: '<h3>Block details</h3>'; color: "#F2F2F2"}
          Text { text: '<b>Block number:</b> ' + number; color: "#F2F2F2"}
          Text { text: '<b>Hash:</b> ' + hash; color: "#F2F2F2"}
          Text { text: '<b>Block found at:</b> ' + prettyTime; color: "#F2F2F2"}
        }
      }
    }
    ListView {
      model: singleBlock
      delegate: blockDetailsDelegate
      anchors.top: parent.top
      height: 70
      anchors.leftMargin: 20
      id: listViewThing
      Layout.maximumHeight: 40
    }
    TableView {
      id: txView
      anchors.top: listViewThing.bottom
      anchors.topMargin: 50
      width: parent.width

      TableViewColumn{width: 90; role: "value" ; title: "Value" }
      TableViewColumn{width: 200; role: "hash" ; title: "Hash" }
      TableViewColumn{width: 200; role: "sender" ; title: "Sender" }
      TableViewColumn{width: 200;role: "address" ; title: "Receiver" }
      TableViewColumn{width: 60; role: "gas" ; title: "Gas" }
      TableViewColumn{width: 60; role: "gasPrice" ; title: "Gas Price" }
      TableViewColumn{width: 60; role: "isContract" ; title: "Contract" }

      model: transactionModel
      onClicked: {
        var tx = transactionModel.get(row)
        if(tx.data) {
          popup.showContractData(tx)
        }else{
          popup.height = 230
        }
      }
    }

    function showContractData(tx) {
       txDetailsDebugButton.tx = tx
      if(tx.createsContract) {
	      contractData.text = tx.data
	      contractLabel.text = "<h4> Transaction created contract " + tx.address + "</h4>"
      }else{
	      contractLabel.text = "<h4> Transaction ran contract " + tx.address + "</h4>"
	      contractData.text = tx.rawData
      }
      popup.height = 400
    }

    Rectangle {
      id: txDetails
      width: popup.width
      height: 300
      anchors.left: listViewThing.left
      anchors.top: txView.bottom
      Label {
        text: "<h4>Contract data</h4>"
        anchors.top: parent.top
        anchors.left: parent.left
        id: contractLabel
        anchors.leftMargin: 10
      }
      Button {
	      property var tx
	      id: txDetailsDebugButton
	      anchors.right: parent.right
	      anchors.rightMargin: 10
	      anchors.top: parent.top
	      anchors.topMargin: 10
	      text: "Debug contract"
	      onClicked: {
		      if(tx.createsContract){
			      ui.startDbWithCode(tx.rawData)
		      }else {
			      ui.startDbWithContractAndData(tx.address, tx.rawData)
		      }
	      }
      }
      TextArea {
        id: contractData
        text: "Contract"
        anchors.top: contractLabel.bottom
        anchors.left: parent.left
	anchors.bottom: popup.bottom
        wrapMode: Text.Wrap
        width: parent.width - 30
        height: 80
        anchors.leftMargin: 10
      }
    }
    property var transactionModel: ListModel {
      id: transactionModel
    }
    property var singleBlock: ListModel {
      id: singleBlock
    }
    function setDetails(block){
      singleBlock.set(0,block)
      popup.height = 230
      transactionModel.clear()
      if(block.txs != undefined){
        for(var i = 0; i < block.txs.count; ++i) {
          transactionModel.insert(0, block.txs.get(i))
        }
        if(block.txs.get(0).data){
          popup.showContractData(block.txs.get(0))
        }
      }
      txView.forceActiveFocus()
    }
  }

  Window {
    id: addPeerWin
    visible: false
    minimumWidth: 230
    maximumWidth: 230
    maximumHeight: 50
    minimumHeight: 50

    TextField {
      id: addrField
      anchors.verticalCenter: parent.verticalCenter
      anchors.left: parent.left
      anchors.leftMargin: 10
      placeholderText: "address:port"
      onAccepted: {
        ui.connectToPeer(addrField.text)
        addPeerWin.visible = false
      }
    }
    Button {
      anchors.left: addrField.right
      anchors.verticalCenter: parent.verticalCenter
      anchors.leftMargin: 5
      text: "Add"
      onClicked: {
        ui.connectToPeer(addrField.text)
        addPeerWin.visible = false
      }
    }
    Component.onCompleted: {
      addrField.focus = true
    }
  }

  Window {
    id: aboutWin
    visible: false
    title: "About"
    minimumWidth: 350
    maximumWidth: 350
    maximumHeight: 200
    minimumHeight: 200

    Image {
      id: aboutIcon
      height: 150
      width: 150
      fillMode: Image.PreserveAspectFit
      smooth: true
      source: ui.assetPath("facet.png")
      x: 10
      y: 10
    }

    Text {
      anchors.left: aboutIcon.right
      anchors.leftMargin: 10
      font.pointSize: 12
      text: "<h2>Ethereal</h2><br><h3>Development</h3>Jeffrey Wilcke<br>Maran Hidskes<br>"
    }

  }

  ApplicationWindow {
    id: debugWindow
    visible: false
    title: "Debugger"
    minimumWidth: 600
    minimumHeight: 600
    width: 800
    height: 600


    Item {
      id: keyHandler
      focus: true
      Keys.onPressed: {
        if (event.key == Qt.Key_Space) {
          ui.next()
        }
      }
    }
    SplitView {
      anchors.fill: parent
      property var asmModel: ListModel {
        id: asmModel
      }
      TableView {
        id: asmTableView
        width: 200
        TableViewColumn{ role: "value" ; title: "" ; width: 100 }
        model: asmModel
      }

      Rectangle {
        anchors.left: asmTableView.right
        anchors.right: parent.right
        SplitView {
          orientation: Qt.Vertical
          anchors.fill: parent

          TableView {
            property var memModel: ListModel {
              id: memModel
            }
            height: parent.height/2
            width: parent.width
            TableViewColumn{ id:mnumColmn ; role: "num" ; title: "#" ; width: 50}
            TableViewColumn{ role: "value" ; title: "Memory" ; width: 750}
            model: memModel
          }

          SplitView {
            orientation: Qt.Horizontal
            id: debugSplitView
            TableView {
              property var debuggerLog: ListModel {
                id: debuggerLog
              }
              TableViewColumn{ role: "value"; title: "Debug messages" }
              model: debuggerLog
            }
            TableView {
              property var stackModel: ListModel {
                id: stackModel
              }
              height: parent.height/2
              width: parent.width
              TableViewColumn{ role: "value" ; title: "Stack" ; width: debugSplitView.width }
              model: stackModel
            }
          }
        }
      }
    }
    statusBar: StatusBar {
      RowLayout {
        anchors.fill: parent
        Button {
          property var enabled: true
          id: debugNextButton
          onClicked: {
            ui.next()
          }
          text: "Next"
        }
      }
    }
  }

  function setAsm(asm) {
    asmModel.append({asm: asm})
  }

  function setInstruction(num) {
    asmTableView.selection.clear()
    asmTableView.selection.select(num-1)
  }

  function clearAsm() {
    asmModel.clear()
  }

  function setMem(mem) {
    memModel.append({num: mem.num, value: mem.value})
  }
  function clearMem(){
    memModel.clear()
  }

  function setStack(stack) {
    stackModel.append({value: stack})
  }
  function addDebugMessage(message){
    console.log("WOOP:")
    debuggerLog.append({value: message})
  }

  function clearStack() {
    stackModel.clear()
  }

  function loadPlugin(name) {
    console.log("Loading plugin" + name)
    mainView.addPlugin(name)
  }

  function setWalletValue(value) {
    walletValueLabel.text = value
  }

  function addTx(tx, inout) {
    var isContract
    if (tx.contract == true){
      isContract = "Yes"
    }else{
      isContract = "No"
    }
    txModel.insert(0, {inout: inout, hash: tx.hash, address: tx.address, value: tx.value, contract: isContract})
  }

  function addBlock(block, initial) {
    var txs = JSON.parse(block.transactions);
    var amount = 0
    if(initial == undefined){
      initial = false
    }

    if(txs != null){
      amount = txs.length
    }

    if(initial){
      blockModel.append({number: block.number, hash: block.hash, txs: txs, txAmount: amount, time: block.time, prettyTime: convertToPretty(block.time)})
    }else{
      blockModel.insert(0, {number: block.number, hash: block.hash, txs: txs, txAmount: amount, time: block.time, prettyTime: convertToPretty(block.time)})
    }
  }

  function addLog(str) {
    if(str.len != 0) {
      logModel.append({description: str})
    }
  }

  function setPeers(text) {
    peerLabel.text = text
  }
  function convertToPretty(unixTs){
    var a = new Date(unixTs*1000);
    var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
    var year = a.getFullYear();
    var month = months[a.getMonth()];
    var date = a.getDate();
    var hour = a.getHours();
    var min = a.getMinutes();
    var sec = a.getSeconds();
    var time = date+' '+month+' '+year+' '+hour+':'+min+':'+sec ;
    return time;
  }
  // *******************************************
  // Components
  // *******************************************

  // New Contract component
  Component {
    id: newContract
    Column {
      id: mainContractColumn
      function contractFormReady(){
        if(codeView.text.length > 0 && txValue.text.length > 0 && txGas.text.length > 0 && txGasPrice.length > 0) {
          txButton.state = "READY"
        }else{
          txButton.state = "NOTREADY"
        }
      }
      states: [
        State{
          name: "ERROR"
          PropertyChanges { target: txResult; visible:true}
          PropertyChanges { target: codeView; visible:true}
        },
        State {
          name: "DONE"
          PropertyChanges { target: txValue; visible:false}
          PropertyChanges { target: txGas; visible:false}
          PropertyChanges { target: txGasPrice; visible:false}
          PropertyChanges { target: codeView; visible:false}
          PropertyChanges { target: txButton; visible:false}
          PropertyChanges { target: txDataLabel; visible:false}

          PropertyChanges { target: txResult; visible:true}
          PropertyChanges { target: txOutput; visible:true}
          PropertyChanges { target: newTxButton; visible:true}
        },
        State {
          name: "SETUP"
          PropertyChanges { target: txValue; visible:true; text: ""}
          PropertyChanges { target: txGas; visible:true; text: ""}
          PropertyChanges { target: txGasPrice; visible:true; text: ""}
          PropertyChanges { target: codeView; visible:true; text: ""}
          PropertyChanges { target: txButton; visible:true}
          PropertyChanges { target: txDataLabel; visible:true}

          PropertyChanges { target: txResult; visible:false}
          PropertyChanges { target: txOutput; visible:false}
          PropertyChanges { target: newTxButton; visible:false}
        }
      ]
      width: 400
      spacing: 5
      anchors.left: parent.left
      anchors.top: parent.top
      anchors.leftMargin: 5
      anchors.topMargin: 5

      TextField {
        id: txValue
        width: 200
        placeholderText: "Amount"
        validator: RegExpValidator { regExp: /\d*/ }
        onTextChanged: {
          contractFormReady()
        }
      }
      TextField {
        id: txGas
        width: 200
        validator: RegExpValidator { regExp: /\d*/ }
        placeholderText: "Gas"
        onTextChanged: {
          contractFormReady()
        }
      }
      TextField {
        id: txGasPrice
        width: 200
        placeholderText: "Gas price"
        validator: RegExpValidator { regExp: /\d*/ }
        onTextChanged: {
          contractFormReady()
        }
      }

      Row {
        id: rowContract
        ExclusiveGroup { id: contractTypeGroup }
        RadioButton {
          id: createContractRadio
          text: "Create contract"
          checked: true
          exclusiveGroup: contractTypeGroup
          onClicked: {
            txFuelRecipient.visible = false
            txDataLabel.text = "Contract code"
          }
        }
        RadioButton {
          id: runContractRadio
          text: "Run contract"
          exclusiveGroup: contractTypeGroup
          onClicked: {
            txFuelRecipient.visible = true
            txDataLabel.text = "Contract arguments"
          }
        }
      }


      Label {
        id: txDataLabel
        text: "Contract code"
      }

      TextArea {
        id: codeView
        height: 300
        anchors.topMargin: 5
        Layout.fillWidth: true
        width: parent.width /2
        onTextChanged: {
          contractFormReady()
        }
      }

      TextField {
        id: txFuelRecipient
        placeholderText: "Contract address"
        //validator: RegExpValidator { regExp: /[a-f0-9]{40}/ }
        visible: false
        width: 530
      }

      Button {
        id: txButton
        /* enabled: false */
        states: [
          State {
            name: "READY"
            PropertyChanges { target: txButton; /*enabled: true*/}
          },
          State {
            name: "NOTREADY"
            PropertyChanges { target: txButton; /*enabled:false*/}
          }
        ]
        text: "Send"
        onClicked: {
          //this.enabled = false
          var res = eth.create(txFuelRecipient.text, txValue.text, txGas.text, txGasPrice.text, codeView.text)
          if(res[1]) {
            txResult.text = "Your contract <b>could not</b> be send over the network:\n<b>"
            txResult.text += res[1].error()
            txResult.text += "</b>"
            mainContractColumn.state = "ERROR"
          } else {
            txResult.text = "Your transaction has been submitted:\n"
            txOutput.text = res[0].address
            mainContractColumn.state = "DONE"
          }
        }
      }
      Text {
        id: txResult
        visible: false
      }
      TextField {
        id: txOutput
        visible: false
        width: 530
      }
      Button {
        id: newTxButton
        visible: false
        text: "Create an other contract"
        onClicked: {
          this.visible = false
          txResult.text = ""
          txOutput.text = ""
          mainContractColumn.state = "SETUP"
        }
      }

      Button {
        id: debugButton
        text: "Debug"
        onClicked: {
          var res = ui.debugTx("", txValue.text, txGas.text, txGasPrice.text, codeView.text)
          debugWindow.visible = true
        }
      }
    }
  }

  // New Transaction component
  Component {
    id: newTransaction
    Column {
      id: simpleSendColumn
      states: [
        State{
          name: "ERROR"
        },
        State {
          name: "DONE"
          PropertyChanges { target: txSimpleValue; visible:false}
          PropertyChanges { target: txSimpleRecipient; visible:false}
          PropertyChanges { target:newSimpleTxButton; visible:false}

          PropertyChanges { target: txSimpleResult; visible:true}
          PropertyChanges { target: txSimpleOutput; visible:true}
          PropertyChanges { target:newSimpleTxButton; visible:true}
        },
        State {
          name: "SETUP"
          PropertyChanges { target: txSimpleValue; visible:true; text: ""}
          PropertyChanges { target: txSimpleRecipient; visible:true; text: ""}
          PropertyChanges { target: txSimpleButton; visible:true}
          PropertyChanges { target:newSimpleTxButton; visible:false}
        }
      ]
      spacing: 5
      anchors.leftMargin: 5
      anchors.topMargin: 5
      anchors.top: parent.top
      anchors.left: parent.left

      function checkFormState(){
        if(txSimpleRecipient.text.length == 40 && txSimpleValue.text.length > 0) {
          txSimpleButton.state = "READY"
        }else{
          txSimpleButton.state = "NOTREADY"
        }
      }

      TextField {
        id: txSimpleRecipient
        placeholderText: "Recipient address"
        Layout.fillWidth: true
        //validator: RegExpValidator { regExp: /[a-f0-9]{40}/ }
        width: 530
        onTextChanged: { checkFormState() }
      }
      TextField {
        id: txSimpleValue
        width: 200
        placeholderText: "Amount"
        anchors.rightMargin: 5
        validator: RegExpValidator { regExp: /\d*/ }
        onTextChanged: { checkFormState() }
      }
      Button {
        id: txSimpleButton
        /*enabled: false*/
        states: [
          State {
            name: "READY"
            PropertyChanges { target: txSimpleButton; /*enabled: true*/}
          },
          State {
            name: "NOTREADY"
            PropertyChanges { target: txSimpleButton; /*enabled: false*/}
          }
        ]
        text: "Send"
        onClicked: {
          //this.enabled = false
          var res = eth.transact(txSimpleRecipient.text, txSimpleValue.text,"","","")
          if(res[1]) {
            txSimpleResult.text = "There has been an error broadcasting your transaction:" + res[1].error()
          } else {
            txSimpleResult.text = "Your transaction has been broadcasted over the network.\nYour transaction id is:"
            txSimpleOutput.text = res[0].hash
            this.visible = false
            simpleSendColumn.state = "DONE"
          }
        }
      }
      Text {
        id: txSimpleResult
        visible: false

      }
      TextField {
        id: txSimpleOutput
        visible: false
        width: 530
      }
      Button {
        id: newSimpleTxButton
        visible: false
        text: "Create an other transaction"
        onClicked: {
          this.visible = false
          simpleSendColumn.state = "SETUP"
        }
      }
    }
  }
}