import QtQuick 2.0
import QtWebKit 3.0
import QtWebKit.experimental 1.0
import QtQuick.Controls 1.0;
import QtQuick.Controls.Styles 1.0
import QtQuick.Layouts 1.0;
import QtQuick.Window 2.1;
import Ethereum 1.0

import "../ext/qml_messaging.js" as Messaging

//ApplicationWindow {
	Rectangle {
		id: window
		property var title: "Browser"
		property var iconSource: "../browser.png"
		property var menuItem

		property alias url: webview.url
		property alias webView: webview

		property var cleanPath: false
		property var open: function(url) {
			if(!window.cleanPath) {
				var uri = url;
				if(!/.*\:\/\/.*/.test(uri)) {
					uri = "http://" + uri;
				}

				var reg = /(^https?\:\/\/(?:www\.)?)([a-zA-Z0-9_\-]*\.eth)(.*)/

				if(reg.test(uri)) {
					uri.replace(reg, function(match, pre, domain, path) {
						uri = pre;

						var lookup = eth.lookupDomain(domain.substring(0, domain.length - 4));
						var ip = [];
						for(var i = 0, l = lookup.length; i < l; i++) {
							ip.push(lookup.charCodeAt(i))
						}

						if(ip.length != 0) {
							uri += lookup;
						} else {
							uri += domain;
						}

						uri += path;
					});
				}

				window.cleanPath = true;

				webview.url = uri;

				//uriNav.text = uri.text.replace(/(^https?\:\/\/(?:www\.)?)([a-zA-Z0-9_\-]*\.\w{2,3})(.*)/, "$1$2<span style='color:#CCC'>$3</span>");
				uriNav.text = uri;
			} else {
				// Prevent inf loop.
				window.cleanPath = false;
			}
		}

		Component.onCompleted: {
			webview.url = "http://etherian.io"
		}

		signal messages(var messages, int id);
		onMessages: {
			// Bit of a cheat to get proper JSON
			var m = JSON.parse(JSON.parse(JSON.stringify(messages)))
			webview.postEvent("messages", [m, id]);
		}

		Item {
			objectName: "root"
			id: root
			anchors.fill: parent
			state: "inspectorShown"

			RowLayout {
				id: navBar
				height: 40
				anchors {
					left: parent.left
					right: parent.right
					leftMargin: 7
				}

				Button {
					id: back
					onClicked: {
						webview.goBack()
					}
					style: ButtonStyle {
						background: Image {
							source: "../back.png"
							width: 30
							height: 30
						}
					}
				}

				TextField {
					anchors {
						left: back.right
						right: toggleInspector.left
						leftMargin: 5
						rightMargin: 5
					}
					text: "http://etherian.io"
					id: uriNav
					y: parent.height / 2 - this.height / 2

					Keys.onReturnPressed: {
						webview.url = this.text;
					}
				}

				Button {
					id: toggleInspector
					anchors {
						right: parent.right
					}
					iconSource: "../bug.png"
					onClicked: {
						if(inspector.visible == true){
							inspector.visible = false
						}else{
							inspector.visible = true
							inspector.url = webview.experimental.remoteInspectorUrl
						}
					}
				}
			}


			WebView {
				objectName: "webView"
				id: webview
				anchors {
					left: parent.left
					right: parent.right
					bottom: parent.bottom
					top: navBar.bottom
				}

				//property var cleanPath: false
				onNavigationRequested: {
					window.open(request.url.toString());					
				}

				function sendMessage(data) {
					webview.experimental.postMessage(JSON.stringify(data))
				}

				onTitleChanged: {
					var data = Messaging.HandleMessage(title);
					if(data) {
						sendMessage(data)
					}
				}

				experimental.preferences.javascriptEnabled: true
				experimental.preferences.navigatorQtObjectEnabled: true
				experimental.preferences.developerExtrasEnabled: true
				experimental.userScripts: ["../ext/q.js", "../ext/pre.js", "../ext/big.js", "../ext/string.js", "../ext/html_messaging.js"]
				experimental.onMessageReceived: {
					console.log("[onMessageReceived]: ", message.data)
					// TODO move to messaging.js
					var data = JSON.parse(message.data)

					try {
						switch(data.call) {
							case "compile":
							postData(data._seed, eth.compile(data.args[0]))
							break

							case "getCoinBase":
							postData(data._seed, eth.coinBase())

							break

							case "getIsListening":
							postData(data._seed, eth.isListening())

							break

							case "getIsMining":
							postData(data._seed, eth.isMining())

							break

							case "getPeerCount":
							postData(data._seed, eth.peerCount())

							break

							case "getCountAt":
							require(1)
							postData(data._seed, eth.txCountAt(data.args[0]))

							break

							case "getCodeAt":
							require(1)
							var code = eth.codeAt(data.args[0])
							postData(data._seed, code);

							break

							case "getBlockByNumber":
							var block = eth.blockByNumber(data.args[0])
							postData(data._seed, block)

							break

							case "getBlockByHash":
							var block = eth.blockByHash(data.args[0])
							postData(data._seed, block)

							break

							case "transact":
							require(5)

							var tx = eth.transact(data.args)
							postData(data._seed, tx)

							break

							case "getStorageAt":
							require(2);

							var storage = eth.storageAt(data.args[0], data.args[1]);
							postData(data._seed, storage)

							break

							case "call":
							require(1);
							var ret = eth.call(data.args)
							postData(data._seed, ret)

							break

							case "getEachStorage":
							require(1);
							var storage = JSON.parse(eth.eachStorage(data.args[0]))
							postData(data._seed, storage)

							break

							case "getTransactionsFor":
							require(1);
							var txs = eth.transactionsFor(data.args[0], true)
							postData(data._seed, txs)

							break

							case "getBalanceAt":
							require(1);

							postData(data._seed, eth.balanceAt(data.args[0]));

							break

							case "getKey":
							var key = eth.key().privateKey;

							postData(data._seed, key)
							break

							case "watch":
							require(2)
							eth.watch(data.args[0], data.args[1])

							case "disconnect":
							require(1)
							postData(data._seed, null)

							break;

							case "getSecretToAddress":
							require(1)

							var addr = eth.secretToAddress(data.args[0])
							console.log("getsecret", addr)
							postData(data._seed, addr)

							break;

							case "messages":
							require(1);

							var messages = JSON.parse(eth.getMessages(data.args[0]))
							postData(data._seed, messages)

							break

							case "mutan":
							require(1)

							var code = eth.compileMutan(data.args[0])
							postData(data._seed, "0x"+code)

							break;

							case "newFilterString":
							require(1)
							var id = eth.newFilterString(data.args[0])
							postData(data._seed, id);
							break;
							case "newFilter":
							require(1)
							var id = eth.newFilter(data.args[0])

							postData(data._seed, id);
							break;

							case "getMessages":
							require(1);

							var messages = eth.messages(data.args[0]);
							var m = JSON.parse(JSON.parse(JSON.stringify(messages)))
							postData(data._seed, m);

							break;

							case "deleteFilter":
							require(1);
							eth.uninstallFilter(data.args[0])
							break;
						}
					} catch(e) {
						console.log(data.call + ": " + e)

						postData(data._seed, null);
					}
				}


				function post(seed, data) {
					postData(data._seed, data)
				}

				function require(args, num) {
					if(args.length < num) {
						throw("required argument count of "+num+" got "+args.length);
					}
				}
				function postData(seed, data) {
					webview.experimental.postMessage(JSON.stringify({data: data, _seed: seed}))
				}
				function postEvent(event, data) {
					webview.experimental.postMessage(JSON.stringify({data: data, _event: event}))
				}

				function onWatchedCb(data, id) {
					var messages = JSON.parse(data)
					postEvent("watched:"+id, messages)
				}

				function onNewBlockCb(block) {
					postEvent("block:new", block)
				}
				function onObjectChangeCb(stateObject) {
					postEvent("object:"+stateObject.address(), stateObject)
				}
				function onStorageChangeCb(storageObject) {
					var ev = ["storage", storageObject.stateAddress, storageObject.address].join(":");
					postEvent(ev, [storageObject.address, storageObject.value])
				}
			}


			Rectangle {
				id: sizeGrip
				color: "gray"
				visible: false
				height: 10
				anchors {
					left: root.left
					right: root.right
				}
				y: Math.round(root.height * 2 / 3)

				MouseArea {
					anchors.fill: parent
					drag.target: sizeGrip
					drag.minimumY: 0
					drag.maximumY: root.height
					drag.axis: Drag.YAxis
				}
			}

			WebView {
				id: inspector
				visible: false
				anchors {
					left: root.left
					right: root.right
					top: sizeGrip.bottom
					bottom: root.bottom
				}
			}

			states: [
				State {
					name: "inspectorShown"
					PropertyChanges {
						target: inspector
					}
				}
			]
		}
	}