module db.db;

import slf4d;

import ddbc.core;

enum DBConnector {
  DB_MYSQL,
  DB_PGSQL,
  DB_SQLITE,
}

struct DBSettings {
  DBConnector connector;
  string host;
  ushort port;
  string username;
  string password;
  string dbname;
}

class DB {
  protected DBSettings m_settings;
  protected DataSource m_ds;
  protected Connection m_conn;

  shared this(DBSettings settings) {
    this.m_settings = settings;
  }

  static shared(DB) getDB(DBSettings settings) {
    switch (settings.connector) {
    case DBConnector.DB_PGSQL:
      import db.pgsql;

      debugF!"DB type is PostgreSQL";
      return new shared PostgresDB(settings);

    default:
      throw new Exception("DB not supported");
    }
  }

  protected abstract DataSource getDataSource();

  void connect() {
    this.m_ds = this.getDataSource();
    this.m_conn = this.m_ds.getConnection();
  }
}