main()

async function main() {

    // Extra mechanic for crits on suppression rolls
    let dialogTemplate = `
    <div style="display:flex">
        <span style="flex:1">
            <label for="scales">Critically stunned?</label>
            <input type="checkbox" id="stunnedCheckBoxId">
      </span>
    </div>
    `

    // Is Activated by shift click on macro. Normal click to roll normally
    const shiftClick = event.shiftKey;
    if (!shiftClick) {
        await executeSuppressionCheckRoll(0);
        return;
    }

    // Execute roll and print message
    new Dialog({
        title: "Suppression Check Roll",
        buttons: {
            withdraw_custom: {
                label: "Roll Suppression Check",
                callback: (html) => {
                    const isCriticallyStunned = html.find("#stunnedCheckBoxId")[0].checked;
                    let modifier = (isCriticallyStunned == null || isCriticallyStunned === false) ? 0 : 2;

                    executeSuppressionCheckRoll(modifier);
                }
            }
        },
        content: dialogTemplate
    }).render(true);


}

async function executeSuppressionCheckRoll(modifier) {

    // Get Table by name (unique)
    const table = game.tables.getName("Suppression Check");
    if (table == null) {
        ui.notifications.error("Suppression Check Table not found");
        return;
    }

    // Get single controlled (selected) actor, error otherwise
    if (canvas.tokens.controlled.length == 0 || canvas.tokens.controlled.length > 1) {
        ui.notifications.error("Please select a single actor");
        return;
    }
    const actor = canvas.tokens.controlled[0].actor;

    // Get actor attributes
    const mindPointsMax = actor.system.mindPoints.max;
    const mindPointsCurrent = actor.system.mindPoints.value;
    const stress = mindPointsMax - mindPointsCurrent;

    // Continuation of extra mechanic for crits on suppression rolls
    const finalMod = modifier == null ? 0 : modifier;

    // Execute roll
    const roll = new Roll("1d6 + " + stress + " + " + finalMod);

    // Roll on table and get result
    var total;
    await table.draw({roll}).then(r => total = r.roll._total);

    console.log("total: " + total);

    // Get mind points and update. On my table, it always subtracts 1 but you could make multiple ifs based on total
    var currentMp = actor.system.mindPoints.value;
    if (currentMp > 0 && total > 3) {
        actor.update({"system.mindPoints.value": parseInt(currentMp) - parseInt(1)});
    }

    // Extra message if mind points reach 0
    if (currentMp - 1 <= 0) {

        let chatContent = "Nervous breakdown!";
        ChatMessage.create({
            speaker: {
                alias: actor.name
            },
            content: chatContent
        });
    }

}