const path = require('path');
const fs = require('fs');
const chalk = require('chalk');

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

class StorageManager {

    constructor(client, options = {}) {

        this.client = client;

        this.providers = {};
        this.options = options;

    }

    async initialize() {

        // this.manager.logger.write('debug', "Initializing storage providers.");

        const _providers = path.join(process.cwd(), "structure/storage/providers");
        const providers = fs.readdirSync(_providers);

        for(const _provider of providers) {

            let provider = require(path.join(_providers, _provider));
            provider = new provider(this.client, this.options);

            this.providers[provider.name] = provider;
            await provider.initialize();
            this._log(`Provider ${chalk.bold(provider.name)} was ${chalk.bold('loaded')}.`, provider);

            await provider.loadTables();

        }

        return this;

    }

    _getName(instance) {
        if(instance instanceof Provider) return instance.name.substring(0, 5);
        return `${instance.provider.name.substring(0, 5)}:${instance.name}`;
    }

    _error(info, instance = null) {
        this.client.logger.error(`${chalk.bold(`[STORA]`)} ${instance ? `(${this._getName(instance)}) ` : ''}${info}`);
    }

    _log(info, instance = null) {
        this.client.logger.info(`${chalk.bold(`[STORA]`)} ${instance ? `(${this._getName(instance)}) ` : ''}${info}`);
    }

    get mongodb() {
        return this.providers.mongodb;
    }

    get mariadb() {
        return this.providers.mariadb;
    }

}

module.exports = StorageManager;