/**
* JavaScript code for the dashboard logic, refresh and other things
*
* Anatole SCHRAMM-HENRY - Th3maz1ng
**/

//Variable needed for the app
var sigStrenthInter = null;
var rtcInter = null;
var sysinfoInter = null;
var ioModeLevelInter = null;
var powerInfoInter = null;

var execTimeStart = null;

//XMLHttpRequest objects
let ajaxReqPowerInfo = new XMLHttpRequest();
let ajaxReqGetIoMode = new XMLHttpRequest();

let ajaxReqRtc = new XMLHttpRequest();

//This function set the app up
function init()
{
	console.log("Body loaded - starting setup");
	
	initAjaxRtc();
	refreshRtc(ajaxReqRtc);
	rtcClockInter = setInterval(() => {refreshRtc(ajaxReqRtc)},1000);
	
	refreshSysInfo();
	sysinfoInter = setInterval(refreshSysInfo,10000);
	
	refreshSigStrength();
	sigStrenthInter = setInterval(refreshSigStrength,1000);
	
	sdCardSize();
	getIoMode(ajaxReqGetIoMode);
	getIoLevel();
	
	ioModeLevelInter = setInterval(() => {getIoMode(ajaxReqGetIoMode);getIoLevel();},1000);
	
	powerInfo(ajaxReqPowerInfo);
	powerInfoInter = setInterval(() => {powerInfo(ajaxReqPowerInfo);},10000);
	
	//We init the time boxes
	var curDate = new Date();
	document.getElementById('hour').value = curDate.getHours();
	document.getElementById('minute').value = curDate.getMinutes();
	document.getElementById('second').value = curDate.getSeconds();
	document.getElementById('day').value = curDate.getDate();
	document.getElementById('month').value = curDate.getMonth() + 1;
	document.getElementById('year').value = curDate.getFullYear();
	console.log("Ending setup");
}

function initAjaxRtc()
{
	ajaxReqRtc.timeout = 5000;
	ajaxReqRtc.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status != 0){onConnected(); document.getElementById('execTime').innerHTML = new Date().getTime() - execTimeStart;}
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var rtcObj = JSON.parse(this.responseText);
					console.log(rtcObj);
					document.getElementById('rtcValue').innerHTML = rtcObj.time + ' ' + rtcObj.date;
				}
				else
				{
					console.log("Error, status is : " + this.status);
					document.getElementById('rtcValue').innerHTML = 'ERROR';
					document.getElementById('execTime').innerHTML = 'NaN';
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReqRtc.ontimeout = onTimeOut;
}

function onTimeOut(e)
{
	console.error("Request timed out");
	document.getElementById('imgConn').style.display = 'none';
	document.getElementById('imgDisco').style.display = 'block';
}

function onConnected()
{
	if(document.getElementById('imgDisco').style.display != 'none' && document.getElementById('imgConn').style.display != 'block')
	{
		console.log("Connected to Swiss Army Board");
		document.getElementById('imgDisco').style.display = 'none';
		document.getElementById('imgConn').style.display = 'block';
		refreshRtc(ajaxReqRtc);
		refreshSysInfo();
		refreshSigStrength();
		sdCardSize();
		getIoMode(ajaxReqGetIoMode);
		getIoLevel();
		powerInfo(ajaxReqPowerInfo);
	}
}

function powerInfo(ajaxReq)
{
	console.log("Getting board power info");
	
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var powerInfoObj = JSON.parse(this.responseText);
					console.log(powerInfoObj);
					document.getElementById('battLevel').innerHTML = powerInfoObj['power type'] == 'USB' ? 'USB' : 'BATTERY : <br/>' + powerInfoObj.level + ' %';
				}
				else
				{
					console.log("Error, status is : " + this.status);
					document.getElementById('battLevel').innerHTML = 'NaN %';
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/power/info");
	ajaxReq.send();
}

function refreshRtc(ajaxReq)
{
	console.log("Refreshing RTC");
	
	ajaxReqRtc.open('GET',"/sab/rtc/get/datetime");
	execTimeStart = new Date().getTime();
	ajaxReq.send();
}

function refreshSysInfo()
{
	console.log("Refreshing Sys Infos");
	var ajaxReq = new XMLHttpRequest();
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var systemInfoObj = JSON.parse(this.responseText);
					console.log(systemInfoObj);
					document.getElementById('ramInfo').innerHTML = systemInfoObj['free RAM'];
					document.getElementById('cpuInfo').innerHTML = systemInfoObj['CPU freq'];
					document.getElementById('fragInfo').innerHTML = systemInfoObj['heap frag'];
					document.getElementById('blockInfo').innerHTML = systemInfoObj['max block'];
					document.getElementById('upTime').innerHTML = systemInfoObj['up time'].days + ' days ' + systemInfoObj['up time'].hours + ' hours ' + systemInfoObj['up time'].minutes + ' minutes ' + systemInfoObj['up time'].seconds + ' seconds ';
					document.getElementById('temperature').innerHTML = systemInfoObj['temperature'].level + systemInfoObj['temperature'].unit;
				}
				else
				{
					console.log("Error, status is : " + this.status);
					document.getElementById('ramInfo').innerHTML = 'NaN';
					document.getElementById('cpuInfo').innerHTML = 'NaN';
					document.getElementById('fragInfo').innerHTML = 'NaN';
					document.getElementById('blockInfo').innerHTML = 'NaN';
					document.getElementById('upTime').innerHTML = 'NaN';
					document.getElementById('temperature').innerHTML = 'NaN';
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/systeminfo");
	ajaxReq.send();
}

function refreshSigStrength()
{
	console.log("Refreshing Sig Strength");
	var ajaxReq = new XMLHttpRequest();
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var wifiStaObj = JSON.parse(this.responseText);
					console.log(wifiStaObj);
					document.getElementById('sigStrength').innerHTML = wifiStaObj.RSSI;
					document.getElementById('sigStrengthPercent').innerHTML = wifiStaObj.RSSI2;
					document.getElementById('localIP').innerHTML = wifiStaObj['local IP'];
					setSigStrenthPicture(wifiStaObj.RSSI2);
				}
				else
				{
					console.log("Error, status is : " + this.status);
					document.getElementById('sigStrength').innerHTML = 'NaN';
					document.getElementById('sigStrengthPercent').innerHTML = 'NaN';
					document.getElementById('localIP').innerHTML = 'ERROR';
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/wifi/stainfo");
	ajaxReq.send();
}

function setSigStrenthPicture(value)
{
	if(value < 5)
	{
		document.getElementById('imgSig1').style.display = 'block';
		document.getElementById('imgSig2').style.display = 'none';
		document.getElementById('imgSig3').style.display = 'none';
		document.getElementById('imgSig4').style.display = 'none';
		document.getElementById('imgSig5').style.display = 'none';
	}
	else if(value < 20)
	{
		document.getElementById('imgSig1').style.display = 'none';
		document.getElementById('imgSig2').style.display = 'block';
		document.getElementById('imgSig3').style.display = 'none';
		document.getElementById('imgSig4').style.display = 'none';
		document.getElementById('imgSig5').style.display = 'none';
	}
	else if(value < 40)
	{
		document.getElementById('imgSig1').style.display = 'none';
		document.getElementById('imgSig2').style.display = 'none';
		document.getElementById('imgSig3').style.display = 'block';
		document.getElementById('imgSig4').style.display = 'none';
		document.getElementById('imgSig5').style.display = 'none';
	}
	else if(value < 80)
	{
		document.getElementById('imgSig1').style.display = 'none';
		document.getElementById('imgSig2').style.display = 'none';
		document.getElementById('imgSig3').style.display = 'none';
		document.getElementById('imgSig4').style.display = 'block';
		document.getElementById('imgSig5').style.display = 'none';
	}
	else
	{
		document.getElementById('imgSig1').style.display = 'none';
		document.getElementById('imgSig2').style.display = 'none';
		document.getElementById('imgSig3').style.display = 'none';
		document.getElementById('imgSig4').style.display = 'none';
		document.getElementById('imgSig5').style.display = 'block';
	}
}

function sdCardMountUnmnout(action)
{
	console.log("Sd card action : "+action);
	var ajaxReq = new XMLHttpRequest();
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var sdCardObj = JSON.parse(this.responseText);
					console.log(sdCardObj);
					
					sdCardSize();
				}
				else
				{
					console.log("Error, status is : " + this.status);
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/sdcard/"+action);
	ajaxReq.send();
}

function sdCardSize()
{
	console.log("Refreshing SD card size : ");
	var ajaxReq = new XMLHttpRequest();
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var sdCardObj = JSON.parse(this.responseText);
					console.log(sdCardObj);
					document.getElementById('cardSize').innerHTML = sdCardObj.size == 0 ? 'NO CARD' : sdCardObj.size + ' GByte(s)';
				}
				else
				{
					console.log("Error, status is : " + this.status);
					document.getElementById('cardSize').innerHTML = 'NaN GByte(s)';
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/sdcard/size");
	ajaxReq.send();
}

function getIoMode(ajaxReq)
{
	console.log("Getting IO mode for all IO's");
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var ioModeObj = JSON.parse(this.responseText);
					console.log(ioModeObj);
					updateIoModeInfo(ioModeObj);
				}
				else
				{
					console.log("Error, status is : " + this.status);
					hideIoMode();
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/io/get/mode");
	ajaxReq.send();
}

function updateIoModeInfo(obj)
{
	document.getElementById('P0_MODE_I').style.display = obj.P0 == 'IN' ? 'block' : 'none';
	document.getElementById('P0_MODE_O').style.display = obj.P0 == 'IN' ? 'none' : 'block';
	
	document.getElementById('P1_MODE_I').style.display = obj.P1 == 'IN' ? 'block' : 'none';
	document.getElementById('P1_MODE_O').style.display = obj.P1 == 'IN' ? 'none' : 'block';
	
	document.getElementById('P2_MODE_I').style.display = obj.P2 == 'IN' ? 'block' : 'none';
	document.getElementById('P2_MODE_O').style.display = obj.P2 == 'IN' ? 'none' : 'block';
	
	document.getElementById('P3_MODE_I').style.display = obj.P3 == 'IN' ? 'block' : 'none';
	document.getElementById('P3_MODE_O').style.display = obj.P3 == 'IN' ? 'none' : 'block';
	
	document.getElementById('P4_MODE_I').style.display = obj.P4 == 'IN' ? 'block' : 'none';
	document.getElementById('P4_MODE_O').style.display = obj.P4 == 'IN' ? 'none' : 'block';
	
	document.getElementById('P5_MODE_I').style.display = obj.P5 == 'IN' ? 'block' : 'none';
	document.getElementById('P5_MODE_O').style.display = obj.P5 == 'IN' ? 'none' : 'block';
	
	document.getElementById('P6_MODE_I').style.display = obj.P6 == 'IN' ? 'block' : 'none';
	document.getElementById('P6_MODE_O').style.display = obj.P6 == 'IN' ? 'none' : 'block';
	
	document.getElementById('P7_MODE_I').style.display = obj.P7 == 'IN' ? 'block' : 'none';
	document.getElementById('P7_MODE_O').style.display = obj.P7 == 'IN' ? 'none' : 'block';
}

function hideIoMode()
{
	document.getElementById('P0_MODE_I').style.display = 'none';
	document.getElementById('P0_MODE_O').style.display = 'none';

	document.getElementById('P1_MODE_I').style.display = 'none';
	document.getElementById('P1_MODE_O').style.display = 'none';

	document.getElementById('P2_MODE_I').style.display = 'none';
	document.getElementById('P2_MODE_O').style.display = 'none';

	document.getElementById('P3_MODE_I').style.display = 'none';
	document.getElementById('P3_MODE_O').style.display = 'none';

	document.getElementById('P4_MODE_I').style.display = 'none';
	document.getElementById('P4_MODE_O').style.display = 'none';

	document.getElementById('P5_MODE_I').style.display = 'none';
	document.getElementById('P5_MODE_O').style.display = 'none';

	document.getElementById('P6_MODE_I').style.display = 'none';
	document.getElementById('P6_MODE_O').style.display = 'none';

	document.getElementById('P7_MODE_I').style.display = 'none';
	document.getElementById('P7_MODE_O').style.display = 'none';
}

function updateIoLevelInfo(obj)
{
	document.getElementById('P0_LEVEL_H').style.display = obj.P0 == '1' ? 'block' : 'none';
	document.getElementById('P0_LEVEL_L').style.display = obj.P0 == '1' ? 'none' : 'block';
	
	document.getElementById('P1_LEVEL_H').style.display = obj.P1 == '1' ? 'block' : 'none';
	document.getElementById('P1_LEVEL_L').style.display = obj.P1 == '1' ? 'none' : 'block';
	
	document.getElementById('P2_LEVEL_H').style.display = obj.P2 == '1' ? 'block' : 'none';
	document.getElementById('P2_LEVEL_L').style.display = obj.P2 == '1' ? 'none' : 'block';
	
	document.getElementById('P3_LEVEL_H').style.display = obj.P3 == '1' ? 'block' : 'none';
	document.getElementById('P3_LEVEL_L').style.display = obj.P3 == '1' ? 'none' : 'block';
	
	document.getElementById('P4_LEVEL_H').style.display = obj.P4 == '1' ? 'block' : 'none';
	document.getElementById('P4_LEVEL_L').style.display = obj.P4 == '1' ? 'none' : 'block';
	
	document.getElementById('P5_LEVEL_H').style.display = obj.P5 == '1' ? 'block' : 'none';
	document.getElementById('P5_LEVEL_L').style.display = obj.P5 == '1' ? 'none' : 'block';
	
	document.getElementById('P6_LEVEL_H').style.display = obj.P6 == '1' ? 'block' : 'none';
	document.getElementById('P6_LEVEL_L').style.display = obj.P6 == '1' ? 'none' : 'block';
	
	document.getElementById('P7_LEVEL_H').style.display = obj.P7 == '1' ? 'block' : 'none';
	document.getElementById('P7_LEVEL_L').style.display = obj.P7 == '1' ? 'none' : 'block';
}

function hideIoLevel()
{
	document.getElementById('P0_LEVEL_H').style.display = 'none';
	document.getElementById('P0_LEVEL_L').style.display = 'none';
	
	document.getElementById('P1_LEVEL_H').style.display = 'none';
	document.getElementById('P1_LEVEL_L').style.display = 'none';
	
	document.getElementById('P2_LEVEL_H').style.display = 'none';
	document.getElementById('P2_LEVEL_L').style.display = 'none';
	
	document.getElementById('P3_LEVEL_H').style.display = 'none';
	document.getElementById('P3_LEVEL_L').style.display = 'none';
	
	document.getElementById('P4_LEVEL_H').style.display = 'none';
	document.getElementById('P4_LEVEL_L').style.display = 'none';
	
	document.getElementById('P5_LEVEL_H').style.display = 'none';
	document.getElementById('P5_LEVEL_L').style.display = 'none';
	
	document.getElementById('P6_LEVEL_H').style.display = 'none';
	document.getElementById('P6_LEVEL_L').style.display = 'none';
	
	document.getElementById('P7_LEVEL_H').style.display = 'none';
	document.getElementById('P7_LEVEL_L').style.display = 'none';
}

function getIoLevel()
{
	console.log("Getting IO level for all IO's");
	
	var ajaxReq = new XMLHttpRequest();
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var ioLevelObj = JSON.parse(this.responseText);
					console.log(ioLevelObj);
					updateIoLevelInfo(ioLevelObj);
				}
				else
				{
					console.log("Error, status is : " + this.status);
					hideIoLevel();
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/io/get/level");
	ajaxReq.send();
}

function setIoMode(pin,mode)
{
	var pinOnly = pin.split('_')[0];
	console.log("Setting IO mode : "+mode+" for " + pinOnly);
	
	var ajaxReq = new XMLHttpRequest();
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var ioModeObj = JSON.parse(this.responseText);
					console.log(ioModeObj);
					updateIoModeInfo(ioModeObj);
					getIoLevel();
				}
				else
				{
					console.log("Error, status is : " + this.status);
					hideIoMode();
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/io/set/mode?"+pinOnly+'='+ (mode == 'OUTPUT' ? 'OUT' : 'IN'));
	ajaxReq.send();
}

function setIoLevel(pin,mode)
{
	var pinOnly = pin.split('_')[0];
	console.log("Setting IO level : "+mode+" for " + pinOnly);
	
	var ajaxReq = new XMLHttpRequest();
	ajaxReq.timeout = 5000;
	ajaxReq.onreadystatechange = function()
	{
		switch(this.readyState)
		{
			case 0:
				break;
			case 1:
				console.log("Connection established");
				break;
			case 2:
				console.log("Request received");
				break;
			case 3:
				console.log("Processing request");
				break;
			case 4:
				console.log("Response is ready");
				if(this.status == 200)
				{
					console.log("Response : " + this.responseText);
					var ioLevelObj = JSON.parse(this.responseText);
					console.log(ioLevelObj);
					updateIoLevelInfo(ioLevelObj);
				}
				else
				{
					console.log("Error, status is : " + this.status);
					hideIoLevel();
				}
				break;
			default:
				console.log("Unknown state");
				
		}
	}
	ajaxReq.ontimeout = onTimeOut;
	ajaxReq.open('GET',"/sab/io/set/level?"+pinOnly+'='+ (mode == 'HIGH' ? '1' : '0'));
	ajaxReq.send();
}

function setRtcClock()
{
	//First we chech the typeof the data
	var hour = parseInt(document.getElementById('hour').value);
	var minute = parseInt(document.getElementById('minute').value);
	var second = parseInt(document.getElementById('second').value);
	var day = parseInt(document.getElementById('day').value);
	var month = parseInt(document.getElementById('month').value);
	var year = parseInt(document.getElementById('year').value);
	
	if(  isFinite(hour) &&
		 isFinite(minute) &&
		 isFinite(second) &&
		 isFinite(day) &&
		 isFinite(month) &&
		 isFinite(year) )
		{
			//First, we create the request string : datetime=day_month_year_hours_minutes_seconds
			var data = day+"_"+month+"_"+year+"_"+hour+"_"+minute+"_"+second;
			
			var ajaxReq = new XMLHttpRequest();
			ajaxReq.timeout = 5000;
			ajaxReq.onreadystatechange = function()
			{
				switch(this.readyState)
				{
					case 0:
						break;
					case 1:
						console.log("Connection established");
						break;
					case 2:
						console.log("Request received");
						break;
					case 3:
						console.log("Processing request");
						break;
					case 4:
						console.log("Response is ready");
						if(this.status != 0){onConnected(); document.getElementById('execTime').innerHTML = new Date().getTime() - execTimeStart;}
						if(this.status == 200)
						{
							console.log("Response : " + this.responseText);
							var rtcRespObj = JSON.parse(this.responseText);
							console.log(rtcRespObj);
							document.getElementById('rtcSetMsg').innerHTML = rtcRespObj.status;
							document.getElementById('rtcSetMsg').style.color = 'green';
						}
						else
						{
							console.log("Error, status is : " + this.status);
							document.getElementById('rtcSetMsg').innerHTML = 'Failed to execute';
							document.getElementById('rtcSetMsg').style.color = 'red';
						}
						break;
					default:
						console.log("Unknown state");
						
				}
			}
			ajaxReq.ontimeout = onTimeOut;
			ajaxReq.open('GET',"/sab/rtc/set/datetime?datetime="+data);
			console.log("datetime="+data);
			execTimeStart = new Date().getTime();
			ajaxReq.send();
		}
		else
		{
			console.error("Non numeric values encountered to set the rtc clock");
			document.getElementById('rtcSetMsg').innerHTML = 'Failed to execute';
			document.getElementById('rtcSetMsg').style.color = 'red';
		}
}