Satisfactory Calc

const MATS = {
    ORE_IRON: "iron ores",
    ORE_COPPER: "copper ores",
    ORE_STONE: "stone ores",

    INGOT_IRON: "iron ingot",
    INGOT_COPPER: "copper ingot",
    INGOT_STEEL: "steel ingot",
    CONCRETE: "Concrete",

    PLATE: "Iron plate",
    ROD: "rod",
    SCREW: "screw",
    TOUGH_PLATE: "Reinforced Iron Plate",

    WIRE: "Wire",
    CABLE: "Cable",
    QUICK_WIRE: "Quickwire",
    COPPER_SHEET: "Copper Sheet",

    CUBE: "Modular Frame",
    STEEL_BEAM: "Steel Beam",
    STEEL_PIPE: "Steel Beam",
    ROTOR: "Rotor",
    STATOR: "Stator",
    MOTOR: "Motor",

    PLASTIC: "Plastic",
    RUBBER: "Rubber",

    SMART_PLATES: "Smart Plating",
    AUTO_WIRES: "Automated Wiring",
    BOARD: "Circuit Board",
    FAT_CUBE: "Heavy Modular Frame",
    CONCRETE_BEAM: "Encased Industrial Beam",
    CPU: "Computer",

    VERS_FRAMES: "Versatile Framework",
    MOD_ENGINE: "Modular Engine",
    ACU: "Adaptive Control Unit",
}

const PLANS = {

    "iron ingot": [MATS.ORE_IRON, 1],
    "rod": [MATS.INGOT_IRON, 15],
    "screw": [MATS.ROD, 40],
    "Iron plate": [MATS.INGOT_IRON, 3],

    "Modular Frame": [
        MATS.TOUGH_PLATE, 3,
        MATS.ROD, 12,
    ],
    "Reinforced Iron Plate": [
        MATS.PLATE, 6,
        MATS.SCREW, 12,
    ],

    "Smart Plating": [
        MATS.TOUGH_PLATE, 1,
        MATS.ROTOR, 1,
    ],
    "Automated Wiring": [
        MATS.STATOR, 1,
        MATS.CABLE, 20,
    ],
    "Circuit Board": [
        MATS.COPPER_SHEET, 2,
        MATS.PLASTIC, 4,
    ],

    "Heavy Modular Frame": [
        MATS.CUBE, 5,
        MATS.STEEL_PIPE, 15,
        MATS.CONCRETE_BEAM, 5,
        MATS.SCREW, 100,
    ],
    "Encased Industrial Beam": [
        MATS.STEEL_BEAM, 4,
        MATS.CONCRETE, 5,
    ],
    "Computer": [
        MATS.BOARD, 10,
        MATS.CABLE, 9,
        MATS.PLASTIC, 18,
        MATS.SCREW, 52,
    ],

    "Versatile Framework": [
        MATS.CUBE, 1,
        MATS.STEEL_BEAM, 12,
    ],
    "Modular Engine": [
        MATS.MOTOR, 2,
        MATS.RUBBER, 15,
        MATS.SMART_PLATES, 2,
    ],
    "Adaptive Control Unit": [
        MATS.AUTO_WIRES, 15,
        MATS.BOARD, 10,
        MATS.FAT_CUBE, 2,
        MATS.CPU, 2,
    ],
}

function loadResult(){
    const resultEle = document.getElementById("result");
    const requestEle = document.getElementById("request");

    // 2500 vers frames,
    // 500 mod engines
    // 100 adaptive control units
    const request = [
        MATS.VERS_FRAMES, 2500,
        MATS.MOD_ENGINE, 500,
        MATS.ACU, 100,
    ];

    const mats = getMatsFor(request);
    requestEle.innerHTML = request;

    for(let i=0; i<mats.length; i+=2){
        let oneLi = document.createElement('li');
        oneLi.innerHTML = mats[i] +" x" +mats[i+1];
        resultEle.appendChild(oneLi);
    }
}

function getMatsFor(req){
    //debugger;
    if( !req ) return null;
    if( !Array.isArray(req) ) return null;

    /*
    if( Array.isArray(req[0]) ){
        const tray = [];
        req.forEach(function(oneReq){
            const oneResult = getMatsFor(oneReq);
            tray.push(oneResult);
        });
        return tray;
    } */

    const type = req[0];
    const count = req[1];

    const tray = [];

    tray.push(type, count);

    const deeperReqs = getMatsFor(PLANS[type]);
    //debugger;

    if(!!deeperReqs){
        const toAdd = deeperReqs.map((x, i) => {
            if(i%2==0) tray.push(x);
            else tray.push(x*count);
        });
    }

    return tray;
}