"use strict"
window.onload = function () {
    //restoreDefaultValues(); //Un-comment this if you want to start with defaults

    Main();
};

//Main() is hard wired as THE place to start calculating when inputs change
//It does no calculations itself, it merely sets them up, sends off variables, gets results and, if necessary, plots them.
function Main() {
    //Save settings every time you calculate, so they're always ready on a reload
    saveSettings();

    //Send all the inputs as a structured object
    //If you need to convert to, say, SI units, do it here!
    const inputs = {
        Roast: document.getElementById("Roast").value,
        Speed: document.getElementById("Speed").value,
       Ground: document.getElementById("Ground").checked,
        Days: document.getElementById("Days").checked
   };

    const result = CalcIt(inputs);
     if (result.plots) {
        for (let i = 0; i < result.plots.length; i++) {
            plotIt(result.plots[i], result.canvas[i]);
        }
    }
}
const data={"LightFast":[310,0.96,3.67],"LightMedium":[377,1,3.44],"LightSlow":[326,1,3.57],"MediumFast":[190,0.92,7.34],"MediumMedium":[232,0.99,6.53],"MediumSlow":[270,0.98,5.71],"DarkFast":[153,0.85,12.67],"DarkMedium":[190,0.93,11.16],"DarkSlow":[242,0.96,10.16]}
//Here's the app calculation
function CalcIt({ Roast, Speed, Ground,Days}) {
    let plotCO2 = [], lambda, k
    const theType=Roast+Speed
    const vals=data[theType]
    const Mfact=Ground?0.5:1
    const lfact=Ground?10:1
    let tmax=Ground?200:400
    if (Days) tmax=Ground?240:480
    const tfact=Days?24:1
    for (let i=0;i<=tmax;i++){
            plotCO2.push({x:i/tfact,y:0.1*vals[2]*Mfact*Math.exp(-Math.pow(i/(vals[0]/lfact),vals[1]))})
        }

    if (Ground){

    } else {
     }

    let plotData = [plotCO2]
    const hideLegend=true
    const lineLabels = ["CO2"]
    const myColors = ["green"]
    const borderWidth = [2]
    const xlabel=Days? "t&d":"t&hr"
    //Now set up all the graphing data detail by detail.
    const prmap = {
        plotData: plotData, //An array of 1 or more datasets
        lineLabels: lineLabels, //An array of labels for each dataset
        colors: myColors, //An array of colors for each dataset
        hideLegend: hideLegend,
        borderWidth: borderWidth,
        xLabel: xlabel, //Label for the x axis, with an & to separate the units
        yLabel: 'CO2 w/w&%', //Label for the y axis, with an & to separate the units
        y2Label: null, //Label for the y2 axis, null if not needed
        yAxisL1R2: [], //Array to say which axis each dataset goes on. Blank=Left=1
        logX: false, //Is the x-axis in log form?
        xTicks: undefined, //We can define a tick function if we're being fancy
        logY: false, //Is the y-axis in log form?
        yTicks: undefined, //We can define a tick function if we're being fancy
        legendPosition: 'top', //Where we want the legend - top, bottom, left, right
        xMinMax: [,], //Set min and max, e.g. [-10,100], leave one or both blank for auto
        yMinMax: [,], //Set min and max, e.g. [-10,100], leave one or both blank for auto
        y2MinMax: [,], //Set min and max, e.g. [-10,100], leave one or both blank for auto
        xSigFigs: 'F0', //These are the sig figs for the Tooltip readout. A wide choice!
        ySigFigs: 'F2', //F for Fixed, P for Precision, E for exponential
    };

    //Now we return everything - text boxes, plot and the name of the canvas, which is 'canvas' for a single plot
    return {
        plots: [prmap],
        canvas: ['canvas'],
    };
}