import { getUUID, getPlayer, getGuild, getIGN } from "@utils/Hypixel"
import { color, devMessage } from "@config/options.json"
import { ChannelType, ChatInputCommandInteraction } from "discord.js"
import { GuildData } from "@interfaces"
import Illegitimate from "@utils/Illegitimate"
const redis = Illegitimate.redis

export default async function guildTop(
    interaction: ChatInputCommandInteraction,
): Promise<void> {
    await interaction.deferReply()

    const query = interaction.options.getString("query")!
    const type = interaction.options.getString("type") || "ign"
    let amount = interaction.options.getNumber("amount") || 10
    const embedColor = Number(color.replace("#", "0x"))
    let guild: GuildData | null

    if (interaction.channel!.type === ChannelType.DM) {
        interaction.editReply({
            embeds: [
                {
                    description: "You can't use this command in DMs!",
                    color: embedColor,
                },
            ],
        })
        return
    }

    if (type === "ign") {
        await interaction.editReply({
            embeds: [
                {
                    description: "Fetching your uuid...",
                    color: embedColor,
                },
            ],
        })

        const uuid = await getUUID(query)
        if (!uuid) {
            interaction.editReply({
                embeds: [
                    {
                        description: "That player doen't exist!",
                        color: embedColor,
                    },
                ],
            })
            return
        }

        await interaction.editReply({
            embeds: [
                {
                    description: "Fetching your player data...",
                    color: embedColor,
                },
            ],
        })

        const player = await getPlayer(uuid)
        if (!player) {
            interaction.editReply({
                embeds: [
                    {
                        description: "That player has never joined the server!",
                        color: embedColor,
                    },
                ],
            })
            return
        }

        await interaction.editReply({
            embeds: [
                {
                    description: "Fetching your guild data...",
                    color: embedColor,
                },
            ],
        })

        guild = await getGuild(uuid, "player")
        if (!guild) {
            interaction.editReply({
                embeds: [
                    {
                        description: "That player is not in a guild!",
                        color: embedColor,
                    },
                ],
            })
            return
        }
    } else if (type === "name") {
        await interaction.editReply({
            embeds: [
                {
                    description: "Fetching your guild data...",
                    color: embedColor,
                },
            ],
        })

        guild = await getGuild(query, "name")
        if (!guild) {
            interaction.editReply({
                embeds: [
                    {
                        description: "That guild doesn't exist!",
                        color: embedColor,
                    },
                ],
            })
            return
        }
    } else if (type === "id") {
        await interaction.editReply({
            embeds: [
                {
                    description: "Fetching your guild data...",
                    color: embedColor,
                },
            ],
        })

        guild = await getGuild(query, "id")
        if (!guild) {
            interaction.editReply({
                embeds: [
                    {
                        description: "That guild doesn't exist!",
                        color: embedColor,
                    },
                ],
            })
            return
        }
    }

    const guildName = guild!.name
    const guildMembers = guild!.members
    const guildId = guild!._id

    const cachedData = await redis.get("guildTop+" + guildId)

    const gexpTodayUnformatted = guildMembers
        .map(member => {
            return member.expHistory[Object.keys(member.expHistory)[0]]
        })
        .reduce((a, b) => a + b, 0)
    const gexpToday = new Intl.NumberFormat("en-US").format(
        gexpTodayUnformatted,
    )

    const averageGuildMemberGEXPUnformatted = Math.floor(
        gexpTodayUnformatted / guildMembers.length,
    )
    const averageGuildMemberGEXP = new Intl.NumberFormat("en-US").format(
        averageGuildMemberGEXPUnformatted,
    )

    const allMembersDailyGEXP = guildMembers.map(member => {
        return {
            uuid: member.uuid,
            gexp: member.expHistory[Object.keys(member.expHistory)[0]],
        }
    })

    if (amount > guildMembers.length) {
        amount = guildMembers.length
    }

    if (amount < 1) {
        amount = 1
    }

    type GuildTopData = { ign: string, uuid: string }[]
    type NewList = { name: string, value: string; inline: boolean }[]

    let cacheStatus: boolean
    let guildData: GuildTopData = []
    const fieldsValueRaw: string[] = []
    const allMembersSorted = allMembersDailyGEXP.sort((a, b) => b.gexp - a.gexp)
    const allMembersSortedUUIDArray = allMembersSorted.map(member => {
        return member.uuid
    })

    if (!cachedData) {
        cacheStatus = false
        await interaction.editReply({
            embeds: [
                {
                    description:
                        "Fetching the top " +
                        amount +
                        " members of " +
                        guildName +
                        "...",
                    color: embedColor,
                },
            ],
        })

        for (let i = 0; i < allMembersSortedUUIDArray.length; i++) {
            const uuid = allMembersSortedUUIDArray[i]
            const ign = await getIGN(uuid)

            guildData.push({
                ign: ign!,
                uuid: uuid,
            })
        }

        await redis.set(
            "guildTop+" + guildId,
            JSON.stringify(guildData),
            "EX",
            60 * 30,
        )
    } else {
        cacheStatus = true
        await interaction.editReply({
            embeds: [
                {
                    description:
                        "Fetching the top " +
                        amount +
                        " members of " +
                        guildName +
                        "using cache...",
                    color: embedColor,
                },
            ],
        })
        guildData = JSON.parse(cachedData)
    }

    const topMembers = allMembersSorted.slice(0, amount)
    const sliceSize = amount / 4

    for (let i = 0; i < amount; i++) {
        const gexp = new Intl.NumberFormat("en-US").format(topMembers[i].gexp)
        const ign = guildData.find(member => member.uuid === topMembers[i].uuid)?.ign

        const position = i + 1

        fieldsValueRaw.push("**#" + position + " " + ign + ":** `" + gexp + "`")
    }

    const list = Array.from({ length: sliceSize }, (_, i) =>
        fieldsValueRaw.slice(i * sliceSize, (i + 1) * sliceSize),
    )
    const newList: NewList = []

    list.forEach((item, index) => {
        if (item.length === 0) return

        newList[index] = {
            name: "",
            value: item.join("\n"),
            inline: false,
        }
    })

    const cacheStatusText = cacheStatus ? " | [Cache]" : ""

    await interaction.editReply({
        embeds: [
            {
                title: "Top members of " + guildName,
                description:
                    "**Total daily GEXP:** `" +
                    gexpToday +
                    "`\n" +
                    "**Average guild memeber GEXP:** `" +
                    averageGuildMemberGEXP +
                    "`",
                color: embedColor,
                fields: newList,
                footer: {
                    text:
                        interaction.guild!.name +
                        " | " +
                        devMessage +
                        cacheStatusText,
                    icon_url: interaction.guild!.iconURL() || undefined,
                },
            },
        ],
    })
}