const { Command } = require('../../../../interfaces/');

class HelpCommand extends Command {

    constructor(client) {

        super(client, {
            name: 'help',
            module: 'information'
        });

        this.client = client;

    }

    async execute(message, { params }) {

        if (!params.length) return message.embed({
            description: message.format('C_HELP')
        });
            
        const [ key ] = params;
        if (key.toLowerCase() === 'modhelp') return this._modhelp(message);

        let [ result ] = this.client.resolver.components(key, 'command');
        if (!result) [ result ] = this.client.resolver.components(key, 'setting');
        if (!result) result = this.client.resolver.componentsByTag(key, 'any', false);
        if (!result) return message.embed({
            description: message.format('C_HELP_404', { component: key })
        });

        if (result instanceof Array) {

            const commands = result.filter((c) => c.type === 'command');
            const settings = result.filter((c) => c.type === 'setting');

            const embed = {
                description: message.format('C_HELP_TAGS', { keyword: key }),
                fields: [
                    
                ]
            };
            
            if (commands.length) embed.fields.push({
                name: 'Commands',
                value: commands.map((c) => c.name).join('\n'),
                inline: true
            });
            if (settings.length) embed.fields.push({
                name: 'Settings',
                value: settings.map((s) => s.display).join('\n'),
                inline: true
            });

            if (!embed.fields.length) embed.description += '\n\n' + message.format('NO_RESULT');

            return message.embed(embed);

        }
        
        return message.embed(result.usageEmbed(message, true));

        // //let index = `${result.type.slice(0, 1).toUpperCase()}_${result.name.toUpperCase()}_HELP`;
        // const em = {
        //     description: message.format('C_HELP_TEMPLATE', {
        //         desc: message.format(result.description),
        //         component: result.name.toUpperCase(),
        //         text: result.examples.map((ex) => `\`{prefix}${result.type === 'command' ? result.name.toLowerCase() : `settings ${result.name.toLowerCase()}`} ${ex}\``).join('\n')
        //     })
        // };
        // if (result.aliases.length) em.fields = [
        //     {
        //         name: 'Aliases',
        //         value: result.aliases.map((al) => al.toLowerCase()).join(', ')
        //     }
        // ];

        // return message.embed(em);

    }

    _modhelp(message) {

        return message.embed({
            title: message.format('MODHELP_TITLE'),
            description: message.format('MODHELP_DESC'),
            fields: [
                {
                    name: message.format('MODHELP_FIELD_1_NAME'),
                    value: message.format('MODHELP_FIELD_1_VALUE')
                },
                {
                    name: message.format('MODHELP_FIELD_2_NAME'),
                    value: message.format('MODHELP_FIELD_2_VALUE')
                },
                {
                    name: message.format('MODHELP_FIELD_3_NAME'),
                    value: message.format('MODHELP_FIELD_3_VALUE')
                },
                {
                    name: message.format('MODHELP_FIELD_4_NAME'),
                    value: message.format('MODHELP_FIELD_4_VALUE')
                }
            ]
        });

    }

}

module.exports = HelpCommand;