const {
    EmbedBuilder,
    ActionRowBuilder,
    ButtonBuilder,
    ButtonStyle
} = require("discord.js");

const {
    getCookieBalance,
    temporaryEphemeralReply
} = require("./cookieEconomy");


/*
 * ============================================================
 * MAIN MENU
 * ============================================================
 */

async function showCrumbSaucer(
    interaction
) {
    /*
     * Button navigation must preserve ownership.
     */

    if (
        interaction.isButton()
    ) {
        const ownerId =
            getCrumbSaucerSessionOwner(
                interaction
            );


        if (
            ownerId !==
            interaction.user.id
        ) {
            return temporaryEphemeralReply(
                interaction,
                {
                    content:
                        "This isn't your Crumb Saucer session."
                }
            );
        }
    }


    const balance =
        await getCookieBalance(
            interaction.user.id
        );


    const embed =
        buildMainMenuEmbed(
            interaction.user,
            balance
        );


    if (
        interaction.isButton()
    ) {
        return interaction.update({
            embeds: [
                embed
            ],

            components:
                buildMainMenuButtons()
        });
    }


    return interaction.reply({
        embeds: [
            embed
        ],

        components:
            buildMainMenuButtons()
    });
}


/*
 * ============================================================
 * MAIN MENU EMBED
 * ============================================================
 */

function buildMainMenuEmbed(
    user,
    balance
) {
    return new EmbedBuilder()
        .setTitle(
            "🎰 The Crumb Saucer"
        )

        .setDescription(
            [
                `Welcome, ${user}!`,
                "",
                "Where Cookies are won, lost,",
                "and occasionally confiscated by ShaiBot.",
                "",
                "### 🍪 Cookie Bakery",
                "Collect your regular batch of Cookies.",
                "",
                "### 🎰 Slots",
                "Spin the reels and chase the Cookie jackpot.",
                "",
                "### 🃏 Blackjack",
                "Beat the dealer without going over 21.",
                "",
                "### 🎡 Roulette",
                "Bet on Red, Black, Odd, Even, or Zero.",
                "",
                "### 🏦 Vault Heist",
                "Attempt to breach ShaiBot's Cookie Vault."
            ].join("\n")
        )

        .addFields({
            name:
                "Your Vault",

            value:
                `**${balance.toLocaleString()} 🍪**`
        })

        .setFooter({
            text:
                `crumbSaucer:${user.id}`
        });
}


/*
 * ============================================================
 * MAIN MENU BUTTONS
 * ============================================================
 */

function buildMainMenuButtons() {
    return [
        new ActionRowBuilder()
            .addComponents(
                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerSlots"
                    )
                    .setLabel(
                        "Slots"
                    )
                    .setEmoji(
                        "🎰"
                    )
                    .setStyle(
                        ButtonStyle.Primary
                    ),

                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerBlackjack"
                    )
                    .setLabel(
                        "Blackjack"
                    )
                    .setEmoji(
                        "🃏"
                    )
                    .setStyle(
                        ButtonStyle.Success
                    ),

                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerRoulette"
                    )
                    .setLabel(
                        "Roulette"
                    )
                    .setEmoji(
                        "🎡"
                    )
                    .setStyle(
                        ButtonStyle.Primary
                    ),

                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerHeist"
                    )
                    .setLabel(
                        "Vault Heist"
                    )
                    .setEmoji(
                        "🏦"
                    )
                    .setStyle(
                        ButtonStyle.Danger
                    )
            ),

        new ActionRowBuilder()
            .addComponents(
                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerCollectMenu"
                    )
                    .setLabel(
                        "Cookie Bakery"
                    )
                    .setEmoji(
                        "🍪"
                    )
                    .setStyle(
                        ButtonStyle.Success
                    ),

                /*
                 * Do NOT use global "abort" here.
                 *
                 * The dedicated handler validates
                 * Crumb Saucer ownership first.
                 */

                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerClose"
                    )
                    .setLabel(
                        "Close"
                    )
                    .setEmoji(
                        "✖️"
                    )
                    .setStyle(
                        ButtonStyle.Secondary
                    )
            )
    ];
}


/*
 * ============================================================
 * SESSION OWNER
 * ============================================================
 */

function getCrumbSaucerSessionOwner(
    interaction
) {
    const footer =
        interaction.message
            ?.embeds?.[0]
            ?.footer
            ?.text;


    const parts =
        footer?.split(":")
        ??
        [];


    switch (
        parts[0]
    ) {
        case "crumbSaucer":
        case "crumbSaucerCollect":
        case "crumbSaucerSlots":
        case "crumbSaucerSlotsResult":
        case "crumbSaucerBlackjack":
        case "crumbBlackjackResult":
        case "crumbRouletteMenu":
        case "crumbRouletteBet":
        case "crumbRouletteResult":
        case "cookieHeist":

            return parts[1];


        /*
         * Active Blackjack:
         *
         * crumbBlackjack:<gameId>:<userId>
         */

        case "crumbBlackjack":

            return parts[2];


        default:

            return null;
    }
}


/*
 * ============================================================
 * EXPORTS
 * ============================================================
 */

module.exports = {
    showCrumbSaucer,
    getCrumbSaucerSessionOwner
};