import { LoadingEmbed } from "../utils/defaults.js";
import Discord, {
    CommandInteraction,
    GuildMember,
    ActionRowBuilder,
    ButtonBuilder,
    SelectMenuBuilder,
    ButtonStyle,
    StringSelectMenuBuilder,
    APIMessageComponentEmoji
} from "discord.js";
import { SlashCommandSubcommandBuilder } from "@discordjs/builders";
import EmojiEmbed from "../utils/generateEmojiEmbed.js";
import getEmojiByName from "../utils/getEmojiByName.js";
import addPlural from "../utils/plurals.js";
import client from "../utils/client.js";

const command = (builder: SlashCommandSubcommandBuilder) =>
    builder // TODO: DON'T RELEASE THIS
        .setName("all")
        .setDescription("Gives or removes a role from everyone");

class Filter {
    name: string;
    data: object;
    checkFunction: (member) => boolean;
    inverted = false;
    constructor(name: (data) => string | string, data: object, check: (member) => boolean) {
        if (typeof name === "function") {
            this.name = name(data);
        } else {
            this.name = name;
        }
        this.data = data;
        this.checkFunction = check;
    }
    flip() {
        this.inverted = true;
        return this;
    }
    check(member) {
        if (this.inverted) return !this.checkFunction(member);
        else return this.checkFunction(member);
    }
}

const filterList = {
    member: {
        render: "Member",
        has: {
            render: "has",
            role: (role) =>
                new Filter(
                    (data) => `Member has role <@&${data.role}>`,
                    { role: role, type: Discord.Role, render: "role" },
                    (member) => {
                        return member.roles.cache.has(role);
                    }
                )
        },
        joined: {
            render: "joined",
            before: (date) =>
                new Filter(
                    (_data) => `Joined server before <t:${Math.round(date.getTime() / 1000)}:D>`,
                    { date: date, type: Date, render: "before" },
                    (member) => {
                        return member.joinedTimestamp < date.getTime();
                    }
                )
        },
        nickname: {
            render: "Nickname",
            set: () =>
                new Filter(
                    (_data) => 'Member has a nickname set"',
                    { render: "set" },
                    (member) => {
                        return member.nickname !== null;
                    }
                ),
            includes: (name) =>
                new Filter(
                    (_data) => `Nickname includes "${name}"`,
                    { nickname: name, type: String, render: "includes" },
                    (member) => {
                        return member.displayName.includes(name);
                    }
                ),
            startsWith: (name) =>
                new Filter(
                    (_data) => `Nickname starts with "${name}"`,
                    { nickname: name, type: String, render: "starts with" },
                    (member) => {
                        return member.displayName.startsWith(name);
                    }
                ),
            endsWith: (name) =>
                new Filter(
                    (_data) => `Nickname ends with "${name}"`,
                    { nickname: name, type: String, render: "ends with" },
                    (member) => {
                        return member.displayName.endsWith(name);
                    }
                )
        }
    },
    account: {
        render: "Account",
        created: {
            render: "created",
            before: (date) =>
                new Filter(
                    (_data) => `Account created before <t:${Math.round(date.getTime() / 1000)}:D>`,
                    { date: date, type: Date, render: "before" },
                    (member) => {
                        return member.user.createdTimestamp < date.getTime();
                    }
                )
        },
        is: {
            render: "is",
            human: () =>
                new Filter(
                    (_data) => "Member is a human",
                    { human: true, render: "human" },
                    (member) => {
                        return !member.bot;
                    }
                )
        },
        username: {
            render: "Username",
            includes: (name) =>
                new Filter(
                    (_data) => `Nickname includes "${name}"`,
                    { nickname: name, type: String, render: "includes" },
                    (member) => {
                        return member.user.name.includes(name);
                    }
                ),
            startsWith: (name) =>
                new Filter(
                    (_data) => `Nickname starts with "${name}"`,
                    { nickname: name, type: String, render: "starts with" },
                    (member) => {
                        return member.user.name.startsWith(name);
                    }
                ),
            endsWith: (name) =>
                new Filter(
                    (_data) => `Nickname ends with "${name}"`,
                    { nickname: name, type: String, render: "ends with" },
                    (member) => {
                        return member.user.name.endsWith(name);
                    }
                )
        }
    }
};

const callback = async (interaction: CommandInteraction): Promise<unknown> => {
    await interaction.reply({
        embeds: LoadingEmbed,
        ephemeral: true,
        fetchReply: true
    });
    const filters: Filter[] = [
        filterList.member.has.role("959901346000154674"),
        filterList.member.nickname.startsWith("Pinea"),
        filterList.member.joined.before(new Date(2022, 1)).flip()
    ];
    const all = true;
    while (true) {
        let count = 0;
        const affected: GuildMember[] = [];
        const members = interaction.guild!.members.cache;
        if (all) {
            members.forEach((member) => {
                let applies = true;
                for (const filter of filters) {
                    if (!filter.check(member)) {
                        applies = false;
                        break;
                    }
                }
                if (applies) {
                    affected.push(member);
                }
            });
        } else {
            members.forEach((member) => {
                let applies = false;
                for (const filter of filters) {
                    if (filter.check(member)) {
                        applies = true;
                        break;
                    }
                }
                if (applies) {
                    affected.push(member);
                }
            });
        }
        await interaction.editReply({
            embeds: [
                new EmojiEmbed()
                    .setTitle("Role all")
                    .setDescription(
                        (all ? "All of the following must be true:" : "Any of the following must be true") +
                            "\n" +
                            filters
                                .map((f) => {
                                    count++;
                                    return (
                                        (count === 1 ? getEmojiByName("ICONS.FILTER") : all ? "**and** " : "**or** ") +
                                        (f.inverted ? "**not** " : "") +
                                        `${f.name}`
                                    );
                                })
                                .join("\n") +
                            "\n\n" +
                            `This will affect ${addPlural(affected.length, "member")}`
                    )
                    .setEmoji("GUILD.ROLES.CREATE")
                    .setStatus("Success")
            ],
            components: [
                new ActionRowBuilder<StringSelectMenuBuilder>().addComponents([
                    new StringSelectMenuBuilder()
                        .setOptions(
                            filters.map((f, index) => ({
                                label: (f.inverted ? "(Not) " : "") + f.name,
                                value: index.toString()
                            }))
                        )
                        .setMinValues(1)
                        .setMaxValues(filters.length)
                        .setCustomId("select")
                        .setPlaceholder("Remove a filter")
                ]),
                new ActionRowBuilder<ButtonBuilder>().addComponents([
                    new ButtonBuilder()
                        .setLabel("Apply")
                        .setStyle(ButtonStyle.Primary)
                        .setCustomId("apply")
                        .setEmoji(client.emojis.cache.get(getEmojiByName("CONTROL.TICK", "id"))! as APIMessageComponentEmoji)
                        .setDisabled(affected.length === 0),
                    new ButtonBuilder()
                        .setLabel("Add filter")
                        .setStyle(ButtonStyle.Primary)
                        .setCustomId("add")
                        .setEmoji(client.emojis.cache.get(getEmojiByName("ICONS.FILTER", "id"))! as APIMessageComponentEmoji)
                        .setDisabled(filters.length >= 25)
                ])
            ]
        });
        break;
    }
    return;
};

const check = async (interaction: CommandInteraction) => {
    const member = interaction.member as GuildMember;
    const me = interaction.guild!.members.me!;
    if (!me.permissions.has("ManageRoles")) return "I do not have the *Manage Roles* permission";
    // Allow the owner to role anyone
    if (member.id === interaction.guild!.ownerId) return true;
    // Check if the user has manage_roles permission
    if (!member.permissions.has("ManageRoles")) return "You do not have the *Manage Roles* permission";
    // Allow role
    return true;
};

export { command };
export { callback };
export { check };