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

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

const {
    trackProfileEvent
} = require("./profileSystem");


/*
 * ============================================================
 * CONFIG
 * ============================================================
 */

const COLLECT_COOLDOWN = 60 * 60;
const COLLECT_MIN = 1;
const COLLECT_MAX = 1000;

const COLLECT_COOLDOWN_KEY = "collect";


/*
 * ============================================================
 * SHARED COLLECT LOGIC
 * ============================================================
 *
 * This is the one authoritative implementation used by:
 *
 * - /cookies collect
 * - Crumb Saucer Cookie Bakery
 *
 * It does not reply/update Discord itself.
 */

async function collectCookies(
    interaction,
    userId = interaction.user.id
) {
    const cooldown = await claimCooldown(
        userId,
        interaction.guildId,
        COLLECT_COOLDOWN_KEY,
        COLLECT_COOLDOWN
    );


    if (!cooldown.claimed) {
        const balance = await getCookieBalance(
            userId
        );

        return {
            collected: false,
            cooldown,
            balance,
            amount: 0
        };
    }


    const amount =
        Math.floor(
            Math.random() *
            (
                COLLECT_MAX -
                COLLECT_MIN +
                1
            )
        ) +
        COLLECT_MIN;


    await changeCookies(
        userId,
        amount
    );


await trackProfileEvent(
    interaction,
    userId,
    {
        type: "cookie_gain",
        source: "collect",
        amount
    }
);


    const balance = await getCookieBalance(
        userId
    );


    return {
        collected: true,
        cooldown,
        balance,
        amount
    };
}


/*
 * ============================================================
 * SHARED EMBED BUILDERS
 * ============================================================
 */

function buildCollectSuccessEmbed(
    userId,
    result,
    footerType = "crumbSaucerCollect"
) {
    return new EmbedBuilder()
        .setTitle(
            "🍪 Fresh Batch!"
        )
        .setDescription(
            [
                `You collected **${result.amount.toLocaleString()} Cookies**! 🍪`,
                "",
                `Your next batch will be ready <t:${result.cooldown.next}:R>.`
            ].join("\n")
        )
        .addFields({
            name: "Your Vault",
            value:
                `**${result.balance.toLocaleString()} 🍪**`
        })
        .setFooter({
            text:
                `${footerType}:${userId}`
        });
}


function buildCollectCooldownEmbed(
    userId,
    result,
    footerType = "crumbSaucerCollect"
) {
    return new EmbedBuilder()
        .setTitle(
            "🍪 Cookie Bakery"
        )
        .setDescription(
            [
                "Your next batch isn't ready yet.",
                "",
                `Come back <t:${result.cooldown.next}:R>.`
            ].join("\n")
        )
        .addFields({
            name: "Your Vault",
            value:
                `**${result.balance.toLocaleString()} 🍪**`
        })
        .setFooter({
            text:
                `${footerType}:${userId}`
        });
}


/*
 * ============================================================
 * SHOW SAUCER COLLECT PAGE
 * ============================================================
 */

async function showCollectPage(
    interaction
) {
    const ownerId =
        getCollectOwner(
            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 =
        new EmbedBuilder()
            .setTitle(
                "🍪 Crumb Saucer Cookie Bakery"
            )
            .setDescription(
                [
                    "Fresh Cookies are prepared regularly.",
                    "",
                    "Press **Collect Cookies** to claim your batch.",
                    "",
                    "Your collection cooldown is shared with `/cookies collect`."
                ].join("\n")
            )
            .addFields({
                name: "Your Vault",
                value:
                    `**${balance.toLocaleString()} 🍪**`
            })
            .setFooter({
                text:
                    `crumbSaucerCollect:${interaction.user.id}`
            });


    return interaction.update({
        embeds: [embed],
        components:
            buildCollectButtons()
    });
}


/*
 * ============================================================
 * SAUCER COLLECT WRAPPER
 * ============================================================
 */

async function collectCookiesFromSaucer(
    interaction
) {
    const ownerId =
        getCollectOwner(
            interaction
        );


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


    const result =
        await collectCookies(
            interaction,
            interaction.user.id
        );


    const embed =
        result.collected
            ? buildCollectSuccessEmbed(
                interaction.user.id,
                result
            )
            : buildCollectCooldownEmbed(
                interaction.user.id,
                result
            );


    return interaction.update({
        embeds: [embed],
        components:
            buildCollectButtons()
    });
}


/*
 * ============================================================
 * BUTTONS
 * ============================================================
 */

function buildCollectButtons() {
    return [
        new ActionRowBuilder()
            .addComponents(
                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerCollect"
                    )
                    .setLabel(
                        "Collect Cookies"
                    )
                    .setEmoji(
                        "🍪"
                    )
                    .setStyle(
                        ButtonStyle.Success
                    ),

                new ButtonBuilder()
                    .setCustomId(
                        "crumbSaucerBack"
                    )
                    .setLabel(
                        "Crumb Saucer"
                    )
                    .setEmoji(
                        "◀️"
                    )
                    .setStyle(
                        ButtonStyle.Secondary
                    )
            )
    ];
}


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

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


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


    if (
        parts[0] ===
        "crumbSaucer"
    ) {
        return parts[1];
    }


    if (
        parts[0] ===
        "crumbSaucerCollect"
    ) {
        return parts[1];
    }


    return null;
}


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

module.exports = {
    collectCookies,

    buildCollectSuccessEmbed,
    buildCollectCooldownEmbed,

    showCollectPage,
    collectCookiesFromSaucer,

    COLLECT_COOLDOWN,
    COLLECT_MIN,
    COLLECT_MAX
};