window.onload = function() {
	const graphTypeSelector = document.getElementById("graphType");
	const selectorSubtypes = document.getElementById("selectorSubtypes");
	
	graphTypeSelector.addEventListener("change", function() {
		updateSelectors(graphTypeSelector, selectorSubtypes);
		switchPlot();
	});
	
	updateSelectors(graphTypeSelector, selectorSubtypes);
	switchPlot();
};

// Update selectors based on graph type
function updateSelectors(graphTypeSelector, selectorSubtypes)
{
	clearChildren(selectorSubtypes);
	
	if(graphTypeSelector.value == "topProduction" || graphTypeSelector.value == "topCompanies")
	{
		selectorSubtypes.appendChild(addInput('select', 'metric', 'Metric: ', [['Volume', 'Profit'], ['volume', 'profit']]));
		
		selectorSubtypes.appendChild(addInput('select', 'month', 'Month: ', [["March 3025", "April 3025", "May 3025"], ["mar25", "apr25", "may25"]], "may25"));
	}
	else if(graphTypeSelector.value == "matHistory")
	{
		selectorSubtypes.appendChild(addInput('select', 'metric', 'Metric: ', [['Volume', 'Profit', 'Amount', 'Price'], ['volume', 'profit', 'amount', 'price']]));
		
		selectorSubtypes.appendChild(addInput('input', 'mat', 'Ticker: '));
	}
	else if(graphTypeSelector.value == "compTotals")
	{
		const chartTypeElem = addInput('select', 'chartType', 'Chart Type: ', [['Pie', 'Bar'], ['pie', 'bar']]);
		chartTypeElem.style.marginLeft = "-30px";
		selectorSubtypes.appendChild(chartTypeElem);
		
		selectorSubtypes.appendChild(addInput('select', 'metric', 'Metric: ', [['Volume', 'Profit', 'Rank'], ['volume', 'profit', 'rank']]));
		
		selectorSubtypes.appendChild(addInput('select', 'month', 'Month: ', [["March 3025", "April 3025", "May 3025"], ["mar25", "apr25", "may25"]], "may25"));
		
		// Username input and query button
		const usernameInput = addInput('input', 'username', 'Username: ');
		
		const submitButton = document.createElement("button");
		submitButton.textContent = "Query";
		submitButton.classList.add("queryButton");
		usernameInput.appendChild(submitButton);
		
		submitButton.addEventListener('click', getCompanyInfo);
		
		usernameInput.style.marginLeft = "33px";
		
		selectorSubtypes.appendChild(usernameInput);
		
		// Hidden company ID input, autofilled by query
		const companyIDInput = addInput('input', 'companyID', 'Company ID: ');
		companyIDInput.style.visibility = 'hidden';
		
		selectorSubtypes.appendChild(companyIDInput);
		
		const companyNameInput = addInput('input', 'companyName', 'Company Name: ');
		companyNameInput.style.visibility = 'hidden';
		
		selectorSubtypes.appendChild(companyNameInput);
		
	}
	else if(graphTypeSelector.value == "compHistory")
	{
		selectorSubtypes.appendChild(addInput('select', 'metric', 'Metric: ', [['Volume', 'Profit'], ['volume', 'profit']]));
		
		// Username input and query button
		const usernameInput = addInput('input', 'username', 'Username: ');
		
		const submitButton = document.createElement("button");
		submitButton.textContent = "Query";
		submitButton.classList.add("queryButton");
		usernameInput.appendChild(submitButton);
		
		submitButton.addEventListener('click', getCompanyInfo);
		
		usernameInput.style.marginLeft = "33px";
		
		selectorSubtypes.appendChild(usernameInput);
		
		// Hidden company ID input, autofilled by query
		const companyIDInput = addInput('input', 'companyID', 'Company ID: ');
		companyIDInput.style.visibility = 'hidden';
		
		selectorSubtypes.appendChild(companyIDInput);
		
		const companyNameInput = addInput('input', 'companyName', 'Company Name: ');
		companyNameInput.style.visibility = 'hidden';
		
		selectorSubtypes.appendChild(companyNameInput);
	}
	else if(graphTypeSelector.value == "compRank")
	{
		selectorSubtypes.appendChild(addInput('select', 'month', 'Month: ', [["March 3025", "April 3025", "May 3025"], ["mar25", "apr25", "may25"]], "may25"));
		
		// Username input and query button
		const usernameInput = addInput('input', 'username', 'Username: ');
		
		const submitButton = document.createElement("button");
		submitButton.textContent = "Query";
		submitButton.classList.add("queryButton");
		usernameInput.appendChild(submitButton);
		
		submitButton.addEventListener('click', getCompanyInfo);
		
		usernameInput.style.marginLeft = "33px";
		
		selectorSubtypes.appendChild(usernameInput);
		
		// Hidden company ID input, autofilled by query
		const companyIDInput = addInput('input', 'companyID', 'Company ID: ');
		companyIDInput.style.visibility = 'hidden';
		
		selectorSubtypes.appendChild(companyIDInput);
		
		const companyNameInput = addInput('input', 'companyName', 'Company Name: ');
		companyNameInput.style.visibility = 'hidden';
		
		selectorSubtypes.appendChild(companyNameInput);
		
	}
}

function switchPlot()
{
	const typeElem = document.getElementById("graphType");
	
	var subtypeElem;
	var monthElem;
	var metricElem;
	var matElem;
	var nameElem;
	var idElem;
	
	const months = ['mar25', 'apr25', 'may25'];	// Automate this later
	
	const oldGraph = document.getElementById("mainPlot");
	oldGraph.remove();
	const newGraph = document.createElement("div");
	newGraph.id = "mainPlot";
	const graphContainer = document.getElementById("mainPlotContainer");
	graphContainer.appendChild(newGraph);
	switch(typeElem.value)
	{
		case "topProduction":
			metricElem = document.getElementById("metric");
			monthElem = document.getElementById("month");
			promiseGenerateTopProdGraph("mainPlot", monthElem.value, metricElem.value);
			break;
		case "topCompanies":
			metricElem = document.getElementById("metric");
			monthElem = document.getElementById("month");
			promiseGenerateTopCompanyGraph("mainPlot", monthElem.value, metricElem.value);
			break;
		case "matHistory":
			metricElem = document.getElementById("metric");
			matElem = document.getElementById("mat");
			promiseGenerateMatGraph("mainPlot", matElem.value, metricElem.value, months);
			break;
		case "compTotals":
			subtypeElem = document.getElementById("chartType");
			metricElem = document.getElementById("metric");
			monthElem = document.getElementById("month");
			nameElem = document.getElementById("companyName");
			idElem = document.getElementById("companyID");
			promiseGenerateCompanyGraph("mainPlot", subtypeElem.value, nameElem.value, idElem.value, monthElem.value, metricElem.value);
			break;
		case "compHistory":
			metricElem = document.getElementById("metric");
			nameElem = document.getElementById("companyName");
			idElem = document.getElementById("companyID");
			promiseGenerateCompanyHistoryGraph("mainPlot", nameElem.value, idElem.value, metricElem.value, months);
			break;
		case "compRank":
			monthElem = document.getElementById("month");
			nameElem = document.getElementById("companyName");
			idElem = document.getElementById("companyID");
			promiseGenerateRankChart("mainPlot", nameElem.value, idElem.value, monthElem.value, months);
	}
}

function promiseGenerateRankChart(container, companyName, companyID, currentMonth, months)
{
	const monthIndex = months.indexOf(currentMonth);
	const prevMonth = months[monthIndex == 0 ? 0 : monthIndex - 1];	// Get previous month to determine change
	
	fetch('data/company-data-' + currentMonth + '.json?cb=' + Date.now())
    .then(response => response.json())  // Parse JSON data
    .then(currentData => {
		fetch('data/company-data-' + prevMonth + '.json?cb=' + Date.now())
		.then(response => response.json())
		.then(prevData => {
			generateRankChart(container, currentData.individual[companyID], (monthIndex == 0 ? undefined : prevData.individual[companyID]), companyName, currentMonth);  // Use the JSON data
		});
    });
}

function promiseGenerateCompanyHistoryGraph(container, companyName, companyID, metric, months)	// Metric is either 'profit' or 'volume'
{
	if(!companyID){return;}
	const validMonths = [];
	
	// Get data
	const fetches = months.map(month => 
		fetch('data/company-data-' + month + '.json?cb=' + Date.now()).then(res => res.json()).then(json => ({ "month": month, "monthData": json }))
	);
	
	Promise.all(fetches).then(rawData => {
		const data = []
		var hasData = false;
		
		rawData.forEach(({month, monthData}) => {
			const dataPoint = monthData.totals[companyID]
			if(dataPoint)
			{
				data.push(dataPoint[metric])
				validMonths.push(month);
				hasData = true;
			}
		});
		
		if(hasData)
		{
			generateCompanyHistoryGraph(container, months.map(month => prettyMonthName(month)), data, companyName, metric)
		}
	});
}

function promiseGenerateCompanyGraph(container, chartType, companyName, companyID, month, metric)	// Metric is either 'profit' or 'volume'. chartType is either 'bar' or 'pie'
{
	fetch('data/company-data-' + month + '.json?cb=' + Date.now())
    .then(response => response.json())  // Parse JSON data
    .then(data => {
		generateCompanyGraph(container, chartType, data.individual[companyID], companyName, month, metric);  // Use the JSON data
    });
}

function promiseGenerateTopCompanyGraph(container, month, metric)	// Metric is either 'profit' or 'volume'
{
	fetch('data/company-data-' + month + '.json?cb=' + Date.now())
    .then(response => response.json())  // Parse JSON data
    .then(data => {
		fetch('data/knownCompanies2.json?cb=' + Date.now())
		.then(response => response.json())
		.then(knownCompanies => {
			generateTopCompanyGraph(container, data, knownCompanies, month, metric);  // Use the JSON data
		});
    });
}

function promiseGenerateTopProdGraph(container, month, metric)	// Metric is either 'profit' or 'volume'
{
	fetch('data/prod-data-' + month + '.json?cb=' + Date.now())
    .then(response => response.json())  // Parse JSON data
    .then(data => {
		generateTopProdGraph(container, data, month, metric);  // Use the JSON data
    });
}

function promiseGenerateMatGraph(container, ticker, metric, months)	// Metric is either 'profit', 'volume', or 'amount'
{
	// Validation/sanitizing
	if(!ticker){return;}
	ticker = ticker.toUpperCase();
	
	const validMonths = [];
	
	// Get data
	const fetches = months.map(month => 
		fetch('data/prod-data-' + month + '.json?cb=' + Date.now()).then(res => res.json()).then(json => ({ "month": month, "monthData": json }))
	);
	
	Promise.all(fetches).then(rawData => {
		const data = []
		var hasData = false;
		rawData.forEach(({month, monthData}) => {
			const dataPoint = monthData[ticker]
			if(dataPoint)
			{
				if(metric == 'price')
				{
					data.push(dataPoint['amount'] == 0 ? 0 : dataPoint['volume'] / dataPoint['amount']);
				}
				else
				{
					data.push(dataPoint[metric])
				}
				validMonths.push(month)
				hasData = true;
			}
		});
		
		if(hasData)
		{
			generateMatGraph(container, validMonths.map(month => prettyMonthName(month)), data, ticker, metric)
		}
	});
}

function generateTopProdGraph(container, prodData, month, metric)
{
	// Convert the data object into an array of [ticker, volume] pairs
	const volumeArray = Object.entries(prodData).map(([ticker, info]) => ({
		ticker,
		volume: info[metric]
	}));

	// Sort the array by volume in descending order
	volumeArray.sort((a, b) => b.volume - a.volume);
	
	// Extract tickers and volumes into separate arrays
	const tickers = volumeArray.map(item => item.ticker);
	const volumes = volumeArray.map(item => item.volume);
	
	Plotly.newPlot(container, {
        data: [{ x: tickers, y: volumes, type: 'bar' , marker: {color: 'rgb(247, 166, 0)'}, hovertemplate: '%{x}: %{y:,.3~s}<extra></extra>'}],
        layout: { width: 800, height: 400, 
			title: {text: 'Top ' + (metric == 'profit' ? 'Profit Materials - ' : 'Production Volumes - ') + prettyMonthName(month),
					font: {color: '#eee', family: '"Droid Sans", sans-serif'},
			},
			xaxis: {
				title: {
					text: 'Ticker',
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				range: [-0.5, 29.5],
				tickangle: -45
			},
			yaxis: {
				title: {
					text: prettyModeNames[metric] + ' [$/day]',
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				range: [0, null],
				gridcolor: '#323232'
			},
			plot_bgcolor: '#252525',
			paper_bgcolor: '#252525',
			dragmode: 'pan'
		},
		config: {
			displayModeBar: true,
			modeBarButtonsToRemove: ['lasso2d'],  // Remove unwanted buttons
			displaylogo: false,
			scrollZoom: true
		}
    });
}

function generateTopCompanyGraph(container, companyData, knownCompanies, month, metric)
{
	// Convert the data object into an array of [companyID, volume] pairs
	const volumeArray = Object.entries(companyData.totals).map(([companyID, info]) => ({
		companyID,
		volume: info[metric]
	}));

	// Sort the array by volume in descending order
	volumeArray.sort((a, b) => b.volume - a.volume);

	// Extract tickers and volumes into separate arrays
	const companyIDs = volumeArray.map(item => item.companyID);
	const volumes = volumeArray.map(item => item.volume);
	
	const companyNames = [];
	
	// Print unknown top 40 companies
	companyIDs.slice(0,40).forEach(id => {
		if(!knownCompanies[id])
		{
			console.log(id)
		}
	});
	
	companyIDs.forEach(id => {
		companyNames.push(knownCompanies[id] || (id.slice(0, 5) + "..."));
	});
	
	Plotly.newPlot(container, {
        data: [{ x: companyNames, y: volumes, type: 'bar' , marker: {color: 'rgb(247, 166, 0)'}, hovertemplate: '%{x}: %{y:,.3~s}<extra></extra>'}],
        layout: { width: 800, height: 400, 
			title: {text: 'Top Companies (' + prettyModeNames[metric] + ') - ' + prettyMonthName(month),
					font: {color: '#eee', family: '"Droid Sans", sans-serif'},
			},
			xaxis: {
				title: {
					text: 'Player',
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				range: [-0.5, 29.5],
				tickangle: -45
			},
			yaxis: {
				title: {
					text: prettyModeNames[metric] + ' [$/day]',
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				range: [0, null],
				gridcolor: '#323232'
			},
			plot_bgcolor: '#252525',
			paper_bgcolor: '#252525',
			dragmode: 'pan',
			margin: {b: 120}
		},
		config: {
			displayModeBar: true,
			modeBarButtonsToRemove: ['lasso2d'],  // Remove unwanted buttons
			displaylogo: false,
			scrollZoom: true
		}
    });
}

function generateMatGraph(container, months, data, ticker, metric)
{
	const titles = {
		'profit': 'Production Profit History of ',
		'volume': 'Production Volume History of ',
		'amount': 'Production Amount History of ',
		'price': 'Price History of '
	}
	const yAxis = {
		'profit': 'Daily Profit [$/day]',
		'volume': 'Daily Volume [$/day]',
		'amount': 'Daily Production [per day]',
		'price': 'Price [$]'
	}
	
	Plotly.newPlot(container, {
        data: [{ x: months, y: data, type: 'bar' , marker: {color: 'rgb(247, 166, 0)'}, hovertemplate: '%{x}: %{y:,.3~s}<extra></extra>'}],
        layout: { width: 800, height: 400, 
			title: {text: titles[metric] + ticker,
					font: {color: '#eee', family: '"Droid Sans", sans-serif'},
			},
			xaxis: {
				title: {
					text: 'Month',
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				tickangle: -45
			},
			yaxis: {
				title: {
					text: yAxis[metric],
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				gridcolor: '#323232'
			},
			plot_bgcolor: '#252525',
			paper_bgcolor: '#252525',
			dragmode: 'pan'
		},
		config: {
			displayModeBar: true,
			modeBarButtonsToRemove: ['lasso2d'],  // Remove unwanted buttons
			displaylogo: false,
			scrollZoom: true
		}
    });
}

function generateCompanyGraph(container, chartType, data, companyName, month, metric)
{
	if(!data){return;}
	
	const titles = {
		'profit': 'Production Profit Breakdown of ',
		'volume': 'Production Volume Breakdown of ',
	}
	
	var mats = Object.keys(data);
	var values = mats.map(ticker => data[ticker][metric]);
	
	var indices = values.map((_, i) => i).sort((a, b) => values[b] - values[a]);
	mats = indices.map(i => mats[i]);
	values = indices.map(i => values[i]);
	
	if(chartType == 'pie')
	{
		// Filter out negative values
		indices = values
			.map((v, i) => i)
			.filter(i => values[i] >= 0);
		mats = indices.map(i => mats[i]);
		values = indices.map(i => values[i]);
		
		Plotly.newPlot(container, {
			data: [{ labels: mats, values: values, type: 'pie', textinfo: 'label',textposition: 'inside', insidetextorientation: 'none', automargin: false, hovertemplate: '%{label}<br>$%{value:,.3~s}/day<br>%{percent}<extra></extra>'}],
			layout: { width: 800, height: 400, 
				title: {text: titles[metric] + companyName + ' - ' + prettyMonthName(month),
						font: {color: '#eee', family: '"Droid Sans", sans-serif'},
				},
				plot_bgcolor: '#252525',
				paper_bgcolor: '#252525',
			},
			config: {
				displayModeBar: true,
				modeBarButtonsToRemove: ['lasso2d'],  // Remove unwanted buttons
				displaylogo: false,
				scrollZoom: true
			}
		});
	}
	else
	{
		Plotly.newPlot(container, {
			data: [{ x: mats, y: values, type: 'bar' , marker: {color: 'rgb(247, 166, 0)'}, hovertemplate: '%{x}: %{y:,.3~s}<extra></extra>'}],
			layout: { width: 800, height: 400, 
				title: {text: titles[metric] + companyName + ' - ' + prettyMonthName(month),
						font: {color: '#eee', family: '"Droid Sans", sans-serif'},
				},
				xaxis: {
					title: {
						text: 'Ticker',
						font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
					},
					tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
					range: [-0.5, Math.min(mats.length, 30) - 0.5],
					tickangle: -45
				},
				yaxis: {
					title: {
						text: prettyModeNames[metric] + ' [$/day]',
						font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
					},
					tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
					range: [0, null],
					gridcolor: '#323232'
				},
				plot_bgcolor: '#252525',
				paper_bgcolor: '#252525',
				dragmode: 'pan'
			},
			config: {
				displayModeBar: true,
				modeBarButtonsToRemove: ['lasso2d'],  // Remove unwanted buttons
				displaylogo: false,
				scrollZoom: true
			}
		});
	}
}

function generateCompanyHistoryGraph(container, months, data, companyName, metric)
{
	const titles = {
		'profit': 'Production Profit History of ',
		'volume': 'Production Volume History of ',
	}
	const yAxis = {
		'profit': 'Daily Profit [$/day]',
		'volume': 'Daily Volume [$/day]'
	}
	
	Plotly.newPlot(container, {
        data: [{ x: months, y: data, type: 'bar' , marker: {color: 'rgb(247, 166, 0)'}, hovertemplate: '%{x}: %{y:,.3~s}<extra></extra>'}],
        layout: { width: 800, height: 400, 
			title: {text: titles[metric] + companyName,
					font: {color: '#eee', family: '"Droid Sans", sans-serif'},
			},
			xaxis: {
				title: {
					text: 'Month',
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				tickangle: -45
			},
			yaxis: {
				title: {
					text: yAxis[metric],
					font: {color: '#bbb', family: '"Droid Sans", sans-serif'}
				},
				tickfont: {color: '#666', family: '"Droid Sans", sans-serif'},
				gridcolor: '#323232'
			},
			plot_bgcolor: '#252525',
			paper_bgcolor: '#252525',
			dragmode: 'pan'
		},
		config: {
			displayModeBar: true,
			modeBarButtonsToRemove: ['lasso2d'],  // Remove unwanted buttons
			displaylogo: false,
			scrollZoom: true
		}
    });
}

function generateRankChart(containerID, currentData, prevData, companyName, currentMonth)
{
	if(!currentData){return;}
		
	const container = document.getElementById(containerID);
	
	const tickers = Object.keys(currentData);
	const currentRanks = tickers.map(ticker => ({'ticker': ticker, 'currentRank': currentData[ticker].rank, 'data': currentData[ticker]}));
	
	currentRanks.forEach(mat => {
		if(prevData && prevData[mat.ticker])
		{
			mat.prevRank = prevData[mat.ticker].rank;
		}
	});
	
	currentRanks.sort((x, y) => x.currentRank - y.currentRank);
	
	// Create title
	const title = document.createElement("div");
	title.textContent = "Production Ranking of " + companyName + " - " + prettyMonthName(currentMonth);
	title.classList.add("title");
	container.appendChild(title);
	
	// Start creating table
	const table = document.createElement("table");
	container.appendChild(table);
	
	// Table header
	const header = document.createElement("thead");
	table.appendChild(header);
	const headRow = document.createElement("tr");
	header.appendChild(headRow);
	
	const headers = ["Rank", "Ticker", "Amount [/day]", "Volume [$/day]", "Profit [$/day]"]
	headers.forEach(label => {
		const headerColumn = document.createElement("th");
		headerColumn.textContent = label;
		headRow.appendChild(headerColumn);
	});
	
	const body = document.createElement("tbody");
	table.appendChild(body);
	
	currentRanks.forEach(mat =>
	{
		const row = document.createElement("tr");
		body.appendChild(row);
		
		const rankColumn = document.createElement("td");
		const rankWrapper = document.createElement("div");
		rankWrapper.style.display = "flex";
		rankColumn.appendChild(rankWrapper);
		
		if(prevData)
		{
			const rankSymbol = document.createElement("div");
			rankSymbol.style.width = "14px";
			rankSymbol.style.minWidth = "14px";
			rankSymbol.style.marginRight = "2px";
			if(mat.prevRank && mat.prevRank != mat.currentRank)
			{
				const increasing = mat.prevRank && mat.prevRank < mat.currentRank;
				rankSymbol.textContent = increasing ? "▼" : "▲";
				rankSymbol.style.color = increasing ? "#d9534f" : "#5cb85c";
			}
			rankWrapper.appendChild(rankSymbol);
		}
		
		const rankNum = document.createElement("div");
		rankNum.textContent = mat.currentRank;
		rankWrapper.appendChild(rankNum);
		
		row.appendChild(rankColumn);
		
		const tickerColumn = document.createElement("td")
		tickerColumn.textContent = mat.ticker;
		row.appendChild(tickerColumn);
		
		const amountColumn = document.createElement("td")
		amountColumn.textContent = mat.data.amount.toLocaleString();
		row.appendChild(amountColumn);
		
		const volumeColumn = document.createElement("td")
		volumeColumn.textContent = "$" + mat.data.volume.toLocaleString(undefined, {notation: 'compact', maxixmumSignificantDigits: 3});
		row.appendChild(volumeColumn);
		
		const profitColumn = document.createElement("td")
		profitColumn.textContent = "$" + mat.data.profit.toLocaleString(undefined, {notation: 'compact', maxixmumSignificantDigits: 3});
		row.appendChild(profitColumn);
	});
}

// Util functions
function prettyMonthName(monthStr)
{
	const monthAbv = monthStr.substring(0,3);
	const monthNum = monthStr.substring(3);
	
	return fullMonthNames[monthAbv] + " 30" + monthNum;
}

// Remove all the children of a given element
function clearChildren(elem)
{
	elem.textContent = "";
	while(elem.children[0])
	{
		elem.removeChild(elem.children[0]);
	}
	return;
}

// Add options to a selector
function addOptions(selector, options, values)
{
	for(var i = 0; i < options.length; i++)
	{
		const optionElem = document.createElement("option");
		optionElem.textContent = options[i];
		optionElem.value = values ? values[i] : options[i];
		selector.appendChild(optionElem);
	}
}

function wrapInDiv(elem)	// Wrap selector element in a div to center it and give it margin
{
	const div = document.createElement('div');
	
	div.appendChild(elem);
	
	return div;
}

function addInput(inputType, id, label, values, defaultValue)
{
	const labelElem = document.createElement('label');
	labelElem.textContent = label;
	
	const inputElem = document.createElement(inputType);
	inputElem.id = id;
	inputElem.classList.add("plotSelector");
	if(inputType == 'select')
	{
		addOptions(inputElem, values[0], values[1]);
		if(defaultValue)
		{
			inputElem.value = defaultValue;
		}
	}
	
	inputElem.addEventListener("change", function() {
		switchPlot();
	});
	
	labelElem.appendChild(inputElem);
	
	return wrapInDiv(labelElem);
}

async function getCompanyInfo()
{
	const usernameInput = document.getElementById('username');
	
	if(!usernameInput.value){return;}
	
	fetch('https://rest.fnar.net/user/' + usernameInput.value)
	  .then(response => response.json())
	  .then(data => {
			const companyID = data.CompanyId;
			const companyName = data.UserName;
			if(!companyID || !companyName){return;}
			
			const companyIDInput = document.getElementById('companyID');
			companyIDInput.value = companyID;
			
			const companyNameInput = document.getElementById('companyName');
			companyNameInput.value = companyName;
			
			switchPlot();
	  })
	  .catch(error => {alert('Bad Response: Check Username'); console.error(error)});
}

const fullMonthNames = {
	"jan": "January",
	"feb": "February",
	"mar": "March",
	"apr": "April",
	"may": "May",
	"jun": "June",
	"jul": "July",
	"aug": "August",
	"sep": "September",
	"oct": "October",
	"nov": "November",
	"dec": "December"
}

const prettyModeNames = {
	"amount": "Amount",
	"profit": "Profit",
	"volume": "Volume",
	"price": "Price"
}