const Command = require('../../structures/Command');
const { RichEmbed } = require('discord.js');
const snekfetch = require('snekfetch');

module.exports = class WikipediaCommand extends Command {
    constructor(client) {
        super(client, {
            name: 'wikipedia',
            group: 'search',
            memberName: 'wikipedia',
            description: 'Searches Wikipedia for your query.',
            clientPermissions: ['EMBED_LINKS'],
            args: [
                {
                    key: 'query',
                    prompt: 'What would you like to search for?',
                    type: 'string'
                }
            ]
        });
    }

    async run(msg, args) {
        const { query } = args;
        const { body } = await snekfetch
            .get('https://en.wikipedia.org/w/api.php')
            .query({
                action: 'query',
                prop: 'extracts',
                format: 'json',
                titles: query,
                exintro: '',
                explaintext: '',
                redirects: '',
                formatversion: 2
            });
        if (body.query.pages[0].missing) return msg.say('No Results.');
        const embed = new RichEmbed()
            .setColor(0xE7E7E7)
            .setTitle(body.query.pages[0].title)
            .setAuthor('Wikipedia', 'https://i.imgur.com/a4eeEhh.png')
            .setDescription(body.query.pages[0].extract.substr(0, 2000).replace(/[\n]/g, '\n\n'));
        return msg.embed(embed);
    }
};