// Links are stackable: "LINK_1", "LINK_2", "LINK_3"
const webhooks = [""];

const title = "", avatarImage = "", shortDescription = "", colour = "", mention = "", type = "";


const bonusFeatures = {
    convert2Link: 'ON', // On = links are clickable || Off = links are not clickable
    convert2Mention: 'ON' // On = converts Discord ID's to Mention || Off = leaves blank Discord ID's
}

const form = FormApp.getActiveForm(), allResponses = form.getResponses(), latestResponse = allResponses[allResponses.length - 1];
let response;
var items = [];

try {
    response = latestResponse.getItemResponses()
} catch (error) {
    throw "No Responses found in your form."
}

for (const hook of webhooks) {
    if (!/^(?:https?:\/\/)?(?:www\.)?(?:(?:canary|ptb)\.)?discord(?:app)?\.com\/api\/webhooks\/\d+\/[\w-+]+$/i.test(hook)) throw `Webhook ${i + 1 || 1} is not valid.`;
}

if (avatarImage && !/\.(jpeg|jpg|gif|png)$/.test(avatarImage)) throw "Image URL is not a direct link";


for (var i = 0; i < response.length; i++) {
    const question = response[i].getItem().getTitle(), answer = response[i].getResponse();
    if (answer == "") continue;
    items.push({ "name": question, "value": answer });

    function data(item) {
        const linkValidate = /(?:(?:https?|http?):\/\/)(?:\([-A-Z0-9+&@#\/%=~_|$?!:,.]*\)|[-A-Z0-9+&@#\/%=~_|$?!:,.])*(?:\([-A-Z0-9+&@#\/%=~_|$?!:,.]*\)|[A-Z0-9+&@#\/%=~_|$])/i;

        if (bonusFeatures.convert2Mention == 'ON' && !isNaN(item.value) && item.value.length == 18) item.value = `<@!${item.value}>`;

        if (bonusFeatures.convert2Link == 'ON' && type.toLowerCase() !== 'text') {

            if (linkValidate.test(item.value)) item.value = `[${item.value}](${item.value})`;
        } else {

            if (bonusFeatures.convert2Link == 'ON' && linkValidate.test(item.value)) item.value = `<${item.value}>`;
        }

        return [`**${item.name}**`, `${item.value}`].join("\n");
    }
}

if (items.map(data).toString().length + shortDescription.length > 1999) throw "Discord limit reached. Please add limits to your questions!";

function plainText(e) {


    const text = {
        "method": "post",
        "headers": { "Content-Type": "application/json" },
        "muteHttpExceptions": true,
        "payload": JSON.stringify({
            "content": `${mention ? mention : ''}${title ? `**${title}**` : `**${form.getTitle()}**`}\n\n${shortDescription ? `${shortDescription}\n\n${items.map(data).join('\n\n')}` : items.map(data).join('\n\n')}`
        }),
    };


    for (var i = 0; i < webhooks.length; i++) { UrlFetchApp.fetch(webhooks[i], text); };
}

function embedText(e) {


    const embed = {
        "method": "post",
        "headers": { "Content-Type": "application/json" },
        "muteHttpExceptions": true,
        "payload": JSON.stringify({
            "content": mention ? mention : '',
            "embeds": [{
                "title": title ? title : form.getTitle(), // Either the set title or the forms title.
                "description": shortDescription ? `${shortDescription}\n\n${items.map(data).join('\n\n')}` : items.map(data).join('\n\n'), // Either the desc or just the res.
                "thumbnail": { url: avatarImage ? encodeURI(avatarImage) : null }, // The tiny image in the right of the embed
                "color": colour ? parseInt(colour.substr(1), 16) : Math.floor(Math.random() * 16777215), // Either the set colour or random.
                "timestamp": new Date().toISOString() // Today's date.
            }]
        }),
    };


    for (var i = 0; i < webhooks.length; i++) { UrlFetchApp.fetch(webhooks[i], embed); };
}