DMG weather rolltable

let temp = [`Normal for the season`,`${(Math.ceil(Math.random()*4))*10} degrees Fahrenheit colder than normal`,`${(Math.ceil(Math.random()*4))*10} degrees Fahrenheit hotter than normal`];
let wind = [`None`,`Light`,`Strong`];
let precip = [`None`, `Light rain or light snowfall`,`	Heavy rain or heavy snowfall`];

function roll(){return Math.ceil(Math.random()*20)}

function rollTable(name,arr,first,second,third,fourth) {
  let tempRoll = roll()
  let message = `${name}: `;
  if (tempRoll <= first) {
    message += (arr[0]) += '.\n'
  }
  if (tempRoll >= second && tempRoll <= third) {
    message += (arr[1]) += '.\n'
  }
  if (tempRoll >= fourth) {
    message += (arr[2]) += '.\n'
  }
  return message
}

function weather() {
  let report = 'Weather report: \n'
  report += rollTable('Temp',temp,14,15,17,18)
  report += rollTable('Wind',wind,12,13,17,18)
  report += rollTable('Precipitation',precip,12,13,17,18)
  return report
}

let message = weather()

let d = new Dialog({ //dialog object creates the window with all the buttons
	title: "A Dream occurs",
	content: `<h2>Are you sure you want to create weather?<h2>`,
	buttons: {
		one: {
			label: "Yes",
			callback: () => {ChatMessage.create({
				user : game.user._id,
				content: message
				});
			}
		},
		two: {
			label: "No",
			callback: () => {console.log(`Done`)}
		},
	},
	render: html => console.log("Register interactivity in the rendered dialog"),
	close: html => console.log("This always is logged no matter which option is chosen")
});
d.render(true);