/*
 *  Copyright 2012 Ruediger Gad
 *
 *  This file is part of QZeeControl.
 *
 *  QZeeControl is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  QZeeControl is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with QZeeControl.  If not, see <http://www.gnu.org/licenses/>.
 */

import QtQuick 1.1
import com.nokia.meego 1.0
import QtMobility.connectivity 1.2
import "settingsstorage.js" as SettingsStorage
import qzeecontrol 1.0

Page {
    tools: commonTools

    Component.onCompleted: {
        SettingsStorage.initialize();

        var address = SettingsStorage.getSetting("address");
        var port = SettingsStorage.getSetting("port");
        if(address !== "Unknown" && port !== "Unknown"){
            console.log("Loaded address " + address + " and port " + port + " from DB.")
            addressField.text = address
            portField.text = port
        }
    }

    states: [
        State {
            name: "active"
            PropertyChanges {
                target: cursorRectangle
                x: moveArea.x + (moveArea.width * 0.5) + btConn.x - (cursorRectangle.width * 0.5)
                y: moveArea.y + (moveArea.height * 0.5) + btConn.y - (cursorRectangle.height * 0.5)
            }
            PropertyChanges {
                target: labelA
                color: btConn.a ? "red" : "blue"
            }
            PropertyChanges {
                target: labelB
                color: btConn.b ? "red" : "blue"
            }
            PropertyChanges {
                target: labelC
                color: btConn.c ? "red" : "blue"
            }
            PropertyChanges {
                target: labelD
                color: btConn.d ? "red" : "blue"
            }
        },
        State {
            name: "inactive"
            PropertyChanges {
                target: cursorRectangle
                x: moveArea.x + (moveArea.width * 0.5) - (cursorRectangle.width * 0.5)
                y: moveArea.y + (moveArea.height * 0.5) - (cursorRectangle.height * 0.5)
            }
            PropertyChanges {
                target: labelA
                color: "blue"
            }
            PropertyChanges {
                target: labelB
                color: "blue"
            }
            PropertyChanges {
                target: labelC
                color: "blue"
            }
            PropertyChanges {
                target: labelD
                color: "blue"
            }
        }

    ]

    Connections {
        target: platformWindow

        onActiveChanged: {
            if(platformWindow.active){
                state = "active"
            }else{
                state = "inactive"
            }
        }
    }

    Button{
        id: scanButton
        anchors{bottom: addressRow.top; bottomMargin: 10; horizontalCenter: parent.horizontalCenter}
        enabled: true

        text: "Scan"

        onClicked: {
            btDiscovery.discovery = true
        }
    }

    Row{
        id: addressRow
        spacing: 5
        anchors{bottom: infoText.top; bottomMargin: 10; horizontalCenter: parent.horizontalCenter}

        TextField{
            id: addressField
            text: "No device found yet."

            onTextChanged: {
                if(text === "No device found yet.")
                    return

                connectButton.enabled = true
                infoText.text = "Press \"Connect\" to connect to the device."
                console.log("Storing address in DB: " + text)
                SettingsStorage.setSetting("address", text)
            }
        }
        TextField{
            id: portField
            text: "na"
            width: 60
            validator: IntValidator{}

            onTextChanged: {
                if(text === "na")
                    return

                console.log("Storing port in DB: " + text)
                SettingsStorage.setSetting("port", text)
            }
        }
    }

    Label {
        id: infoText
        anchors{bottom: connectButton.top; bottomMargin: 10; horizontalCenter: parent.horizontalCenter}
        width: parent.width

        text: "Please scan for a device first."
        horizontalAlignment: Text.AlignHCenter
        wrapMode: Text.WordWrap
    }

    Button{
        id: connectButton
        anchors{bottom: disconnectButton.top; bottomMargin: 10; horizontalCenter: parent.horizontalCenter}
        enabled: false

        text: "Connect"

        onClicked: {
            enabled = false
            btConn.connect(addressField.text, parseInt(portField.text))
        }
    }

    Button{
        id: disconnectButton
        anchors{bottom: buttonRow.top; bottomMargin: 10; horizontalCenter: parent.horizontalCenter}

        text: "Disconnect"

        onClicked: {
            btConn.disconnect()

        }
    }

    Row{
        id: buttonRow
        anchors.centerIn: parent
        spacing: 20

        Label{
            id: labelA
            text: "A"
            color: btConn.a ? "red" : "blue"
        }
        Label{
            id: labelB
            text: "B"
            color: btConn.b ? "red" : "blue"
        }
        Label{
            id: labelC
            text: "C"
            color: btConn.c ? "red" : "blue"
        }
        Label{
            id: labelD
            text: "D"
            color: btConn.d ? "red" : "blue"
        }
    }

    Rectangle{
        id: moveArea
        anchors{top: buttonRow.bottom; topMargin: 10; horizontalCenter: parent.horizontalCenter}
        color: "gray"

        width: 256
        height: 256
    }

    Rectangle{
        id: cursorRectangle
        width: 10
        height: 10
        color: "red"

        x: moveArea.x + (moveArea.width * 0.5) + btConn.x - (cursorRectangle.width * 0.5)
        y: moveArea.y + (moveArea.height * 0.5) + btConn.y - (cursorRectangle.height * 0.5)
    }

    BluetoothDiscoveryModel{
        id: btDiscovery

        discovery: false
        minimalDiscovery: true

        onDiscoveryChanged: {
            if(discovery){
                infoText.text = "Scanning for devices..."
                scanButton.enabled = false
                connectButton.enabled = false
                disconnectButton.enabled = false
            }else{
                scanButton.enabled = true
                disconnectButton.enabled = false
            }
        }

        onNewServiceDiscovered: {
            console.log("Service " + service.serviceName + " found on "
                        + service.deviceName + " at address " + service.deviceAddress
                        + " on port " + service.servicePort + ".")
            if(service.serviceName === "Zeemote"){
                addressField.text = service.deviceAddress
                portField.text = service.servicePort
            }
        }
    }

    BtConnector{
        id: btConn

        property int joystickThreshold: 50

        onConnected: {
            disconnectButton.enabled = true
            infoText.text = "Connected. Have fun."
        }

        onDisconnected: {
            connectButton.enabled = true
            disconnectButton.enabled = false
            infoText.text = "Press \"Connect\" to connect to the device."
        }

//        onStickMoved: {
//            console.log("Stick moved. x: " + x + " y: " + y)
//        }

//        onButtonsChanged: {
//            console.log("Buttons changed. A: " + a + " B: " + b + " C: " + c + " D: " + d)
//        }

        onAChanged: {
//            console.log("A changed to: " + val)
            xtstAdapter.sendKey("a", val);
        }
        onBChanged: {
//            console.log("B changed to: " + val)
            xtstAdapter.sendKey("b", val);
        }
        onCChanged: {
//            console.log("C changed to: " + val)
            xtstAdapter.sendKey("c", val);
        }
        onDChanged: {
//            console.log("D changed to: " + val)
            xtstAdapter.sendKey("d", val);
        }

        onXChanged: {
            if(val > joystickThreshold){
                xtstAdapter.sendKey("Right", true);
            }else if(val < -joystickThreshold){
                xtstAdapter.sendKey("Left", true);
            }else{
                xtstAdapter.sendKey("Right", false);
                xtstAdapter.sendKey("Left", false);
            }
        }

        onYChanged: {
            if(val > joystickThreshold){
                xtstAdapter.sendKey("Down", true);
            }else if(val < -joystickThreshold){
                xtstAdapter.sendKey("Up", true);
            }else{
                xtstAdapter.sendKey("Down", false);
                xtstAdapter.sendKey("Up", false);
            }
        }
    }

    XtstAdapter{
        id: xtstAdapter
    }
}