import {messageHelper} from "./helpers/messageHelper.js";
import {enums} from "./enums.js";
import {memberHelper} from "./helpers/memberHelper.js";
import {EmbedBuilder} from "@fluxerjs/core";
import {importHelper} from "./helpers/importHelper.js";

const cmds = {
    commandsMap: new Map(),
    aliasesMap: new Map()
};

cmds.aliasesMap.set('m', {command: 'member'})

cmds.commandsMap.set('member', {
    description: enums.help.SHORT_DESC_MEMBER,
    async execute(message, args) {
        await cmds.memberCommand(message, args)
    }
})

/**
 * Calls the member-related functions.
 *
 * @async
 * @param {Message} message - The message object
 * @param {string[]} args - The parsed arguments
 *
 **/
cmds.memberCommand = async function(message, args) {
    const authorFull = `${message.author.username}#${message.author.discriminator}`
    const attachmentUrl = message.attachments.size > 0 ? message.attachments.first().url : null;
    const attachmentExpires = message.attachments.size > 0 ? message.attachments.first().expires_at : null;

    const reply = await memberHelper.parseMemberCommand(message.author.id, authorFull, args, attachmentUrl, attachmentExpires).catch(async (e) =>{console.error(e); await message.reply(e.message);});

    if (typeof reply === 'string') {
        await message.reply(reply);
    }
    else if (reply instanceof EmbedBuilder) {
        await message.reply({embeds: [reply]})
    }
    else if (typeof reply === 'object') {
        const errorsText = reply.errors.length > 0 ? reply.errors.join('\n- ') : null;
        return await message.reply({content: `${reply.success} ${errorsText ? `\n\n${enums.err.ERRORS_OCCURRED}\n` + errorsText : ""}`, embeds: [reply.embed]})
    }

}


cmds.commandsMap.set('help', {
    description: enums.help.SHORT_DESC_HELP,
    async execute(message) {
        const fields = [...cmds.commandsMap.entries()].map(([name, cmd]) => ({
            name: `${messageHelper.prefix}${name}`,
            value: cmd.description,
            inline: true,
        }));

        const embed = new EmbedBuilder()
            .setTitle('Commands')
            .setDescription(enums.help.PLURALFLUX)
            .addFields(...fields)
            .setFooter({ text: `Prefix: ${messageHelper.prefix}` })
            .setTimestamp();

        await message.reply({ embeds: [embed] });
    },
})

cmds.commandsMap.set('import', {
    description: enums.help.SHORT_DESC_IMPORT,
    async execute(message, args) {
        await cmds.importCommand(message, args);
    }
})

/**
 * Calls the import-related functions.
 *
 * @async
 * @param {Message} message - The message object
 * @param {string[]} args - The parsed arguments
 *
 **/
cmds.importCommand = async function(message, args) {
    const attachmentUrl = message.attachments.size > 0 ? message.attachments.first().url : null;
    if ((message.content.includes('--help') || (args[0] === '' && args.length === 1)) && !attachmentUrl ) {
        return await message.reply(enums.help.IMPORT);
    }
    return await importHelper.pluralKitImport(message.author.id, attachmentUrl).then(async (successfullyAdded) => {
        await message.reply(successfullyAdded);
    }).catch(async (error) => {
        if (error instanceof AggregateError) {
            // errors.message can be a list of successfully added members, or say that none were successful.
            let errorsText = `${error.message}.\n\n${enums.err.ERRORS_OCCURRED}\n${error.errors.join('\n')}`;

            await message.reply(errorsText).catch(async () => {
                const returnedBuffer = messageHelper.returnBufferFromText(errorsText);
                await message.reply({content: returnedBuffer.text, files: [{ name: 'text.txt', data: returnedBuffer.file }]
                })
            });
        }
        // If just one error was returned.
        else {
            return await message.reply(error.message);
        }
    })
}

export const commands = cmds;