'use strict';

const knex = require('knex');

const { getDialect } = require('./dialects');
const createSchemaProvider = require('./schema');
const createMetadata = require('./metadata');
const { createEntityManager } = require('./entity-manager');

// TODO: move back into strapi
const { transformContentTypes } = require('./utils/content-types');
// const Configuration = require('./configuration');
// const { resolveConnector } = require('./connector');

class Database {
  constructor(config) {
    this.metadata = createMetadata(config.models);

    // TODO:; validate meta
    // this.metadata.validate();

    // this.connector = resolveConnector(this.config);

    this.connection = knex(config.connection);
    this.dialect = getDialect(this.connection);

    this.schema = createSchemaProvider(this);

    // TODO: migrations -> allow running them through cli before startup

    this.entityManager = createEntityManager(this);
  }

  query(uid) {
    if (!this.metadata.has(uid)) {
      throw new Error(`Model ${uid} not found`);
    }

    return this.entityManager.getRepository(uid);
  }

  async destroy() {
    await this.connection.destroy();
  }
}

Database.transformContentTypes = transformContentTypes;

module.exports = {
  Database,
};