function DetailsWindow(viewer) {
	this.viewer  = viewer
	this.visible = false
	this.file    = null
	this.graph   = 0
	this.modal   = new Modal(
		document.getElementById("file_viewer"),
		() => { this.toggle() },
		"File Details", "1500px", "1000px",
	)

	let clone = document.getElementById("tpl_details_popup").content.cloneNode(true)
	this.divFileDetails = clone.querySelector(".info_file_details")
	this.modal.setBody(clone)

	this.btnDetails = document.getElementById("btn_details")
	this.btnDetails.addEventListener("click", () => { this.toggle() })
}

DetailsWindow.prototype.toggle = function() {
	if (this.visible) {
		this.modal.close()
		this.btnDetails.classList.remove("button_highlight")
		this.visible = false
	} else {
		this.modal.open()
		this.btnDetails.classList.add("button_highlight")
		this.visible = true

		if (this.graph === 0) {
			this.renderGraph()
		}
		this.updateGraph(this.file)
	}
}

DetailsWindow.prototype.setFile = function(file) {
	this.file = file
	let desc = ""
	if (this.viewer.isList) {
		desc = file.description
	}
	this.divFileDetails.innerHTML = "<tr><td>Name<td><td>" + escapeHTML(file.name) + "</td></tr>"
		+ "<tr><td>URL<td><td><a href=\""+file.link+"\">"+file.link+"</a></td></tr>"
		+ "<tr><td>Mime Type<td><td>" + escapeHTML(file.mime_type) + "</td></tr>"
		+ "<tr><td>ID<td><td>" + file.id + "</td></tr>"
		+ "<tr><td>Size<td><td>" + formatDataVolume(file.size, 4) + "</td></tr>"
		+ "<tr><td>Bandwidth<td><td>" + formatDataVolume(file.bandwidth_used, 4) + "</td></tr>"
		+ "<tr><td>Upload Date<td><td>" + printDate(file.date_created, true, true, true) + "</td></tr>"
		+ "<tr><td>Description<td><td>" + escapeHTML(desc) + "</td></tr>"

	if(this.visible && file.timeseries_href !== "") {
		this.updateGraph(file)
	}
}

DetailsWindow.prototype.updateGraph = function(file) {
	console.log("updating graph")

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

	fetch(
		file.timeseries_href+
		"?start="+start.toISOString() +
		"&end="+today.toISOString() +
		"&interval="+60
	).then(resp => {
		if (!resp.ok) {return null}
		return resp.json()
	}).then(resp => {
		this.graph.data.labels = resp.labels
		this.graph.data.datasets[0].data = resp.downloads
		this.graph.data.datasets[1].data = resp.views
		this.graph.update()
	})
}

DetailsWindow.prototype.renderGraph = function() {
	console.log("rendering graph")
	Chart.defaults.global.defaultFontColor = "#b3b3b3"
	Chart.defaults.global.defaultFontSize = 15
	Chart.defaults.global.defaultFontFamily = "Ubuntu"
	Chart.defaults.global.maintainAspectRatio = false;
	Chart.defaults.global.elements.point.radius = 0
	Chart.defaults.global.tooltips.mode = "index"
	Chart.defaults.global.tooltips.axis = "x"
	Chart.defaults.global.tooltips.intersect = false
	this.graph = new Chart(
		document.getElementById('bandwidth_chart'),
		{
			type: 'line',
			data: {
				datasets: [
					{
						label: "Bandwidth",
						backgroundColor: "rgba(64, 255, 64, .01)",
						borderColor: "rgba(96, 255, 96, 1)",
						borderWidth: 2,
						lineTension: 0.2,
						fill: true,
						yAxisID: "y_bandwidth"
					}, {
						label: "Views",
						backgroundColor: "rgba(64, 64, 255, .01)",
						borderColor: "rgba(64, 64, 255, 1)",
						borderWidth: 2,
						lineTension: 0.2,
						fill: true,
						yAxisID: "y_views"
					}
				]
			},
			options: {
				scales: {
					yAxes: [
						{
							type: "linear",
							display: true,
							position: "left",
							id: "y_bandwidth",
							scaleLabel: {
								display: true,
								labelString: "Downloads"
							},
							ticks: {
								callback: function(value, index, values) {
									return formatNumber(value, 3);
								},
								beginAtZero: true
							},
							gridLines: {
								color: "rgba(100, 255, 100, .05)"
							}
						}, {
							type: "linear",
							display: true,
							position: "right",
							id: "y_views",
							scaleLabel: {
								display: true,
								labelString: "Views"
							},
							ticks: {
								callback: function(value, index, values) {
									return formatNumber(value, 3);
								},
								beginAtZero: true
							},
							gridLines: {
								color: "rgba(128, 128, 255, .05)"
							}
						}
					],
					xAxes: [
						{
							ticks: {
								maxRotation: 20
							},
							gridLines: {
								display: false
							}
						}
					]
				}
			}
		}
	)
}