function loadGraph(graph, stat, minutes, interval) {
	let today = new Date()
	let start = new Date()
	start.setMinutes(start.getMinutes() - minutes)

	fetch(
		apiEndpoint + "/user/time_series/" + stat +
		"?start=" + start.toISOString() +
		"&end=" + today.toISOString() +
		"&interval=" + interval
	).then(resp => {
		if (!resp.ok) { return Promise.reject("Error: " + resp.status); }
		return resp.json();
	}).then(resp => {
		resp.timestamps.forEach((val, idx) => {
			let date = new Date(val);
			let dateStr = ("00" + (date.getMonth() + 1)).slice(-2);
			dateStr += "-" + ("00" + date.getDate()).slice(-2);
			dateStr += " " + ("00" + date.getHours()).slice(-2);
			dateStr += ":" + ("00" + date.getMinutes()).slice(-2);
			resp.timestamps[idx] = "   " + dateStr + "   "; // Poor man's padding
		});
		graph.data.labels = resp.timestamps;
		graph.data.datasets[0].data = resp.amounts;
		graph.update();

		document.getElementById("time_start").innerText = resp.timestamps[0];
		document.getElementById("time_end").innerText = resp.timestamps.slice(-1)[0];
		let total = 0
		resp.amounts.forEach(e => { total += e; });

		if (stat == "views") {
			document.getElementById("total_views").innerText = formatThousands(total);
		} else if (stat == "downloads") {
			document.getElementById("total_downloads").innerText = formatThousands(total);
		} else if (stat == "bandwidth") {
			document.getElementById("total_bandwidth").innerText = formatDataVolume(total, 3);
		} else if (stat == "direct_bandwidth") {
			document.getElementById("total_direct_bandwidth").innerText = formatDataVolume(total, 3);
		}
	}).catch(e => {
		console.error("Error requesting time series: " + e);
	})
}

function loadDirectBW() {
	let today = new Date()
	let start = new Date()
	start.setDate(start.getDate() - 30)

	fetch(
		apiEndpoint + "/user/time_series/direct_bandwidth" +
		"?start=" + start.toISOString() +
		"&end=" + today.toISOString() +
		"&interval=60"
	).then(resp => {
		if (!resp.ok) { return Promise.reject("Error: " + resp.status); }
		return resp.json();
	}).then(resp => {
		let total = resp.amounts.reduce((accum, val) => accum += val, 0);
		document.getElementById("direct_bandwidth_progress").style.width = (total / window.user.subscription.direct_linking_bandwidth) * 100 + "%"
		document.getElementById("direct_bandwidth_text").innerText = formatDataVolume(total, 3) + " out of " + formatDataVolume(window.user.subscription.direct_linking_bandwidth, 3)

		document.getElementById("storage_progress").style.width = (window.user.storage_space_used / window.user.subscription.storage_space) * 100 + "%"
		document.getElementById("storage_text").innerText = formatDataVolume(window.user.storage_space_used, 3) + " out of " + formatDataVolume(window.user.subscription.storage_space, 3)

	}).catch(e => {
		console.error("Error requesting time series: " + e);
	})
}

let graphViews = drawGraph(document.getElementById("views_chart"), "Views", "number");
let graphDownloads = drawGraph(document.getElementById("downloads_chart"), "Downloads", "number");
let graphBandwidth = drawGraph(document.getElementById("bandwidth_chart"), "Bandwidth", "bytes");
let graphDirectBandwidth = drawGraph(document.getElementById("direct_bandwidth_chart"), "Direct Bandwidth", "bytes");
let graphTimeout = null;

function updateGraphs(minutes, interval, live) {
	if (graphTimeout !== null) { clearTimeout(graphTimeout) }
	if (live) {
		graphTimeout = setTimeout(() => { updateGraphs(minutes, interval, true) }, 10000)
	}

	loadGraph(graphViews, "views", minutes, interval);
	loadGraph(graphDownloads, "downloads", minutes, interval);
	loadGraph(graphBandwidth, "bandwidth", minutes, interval);
	loadGraph(graphDirectBandwidth, "direct_bandwidth", minutes, interval);
	loadDirectBW()
}

// Default
updateGraphs(1440, 1, true);