import sbt._
import com.github.sdb.sbt.liquibase._

class TestProject(info: ProjectInfo) extends DefaultProject(info) with LiquibasePlugin {

  // declare the required database driver as a runtime dependency
  val h2 = "com.h2database" % "h2" % "1.2.143" % "runtime"

  // fetch the running mode from the system properties (dev, prd, ...)
  lazy val mode = system[String]("mode").get.getOrElse(null)

  // provide the parameters for running liquibase commands
  lazy val liquibaseChangeLogFile = "config" / "db-changelog.xml"
  lazy val liquibaseDriver = "org.h2.Driver"

  // the URL depending on the mode
  lazy val liquibaseUrl = mode match {
    case "prd" => "jdbc:h2:tcp://dbserv:8084/~/sample"
    case _ => "jdbc:h2:file:sample"
  }

  // the contexts to run
  override lazy val liquibaseContexts = mode

  // define an environment for reading props from pwd.properties
  lazy val liquibaseEnv = new BasicEnvironment
  {
    def log = TestProject.this.log
    def envBackingPath = "pwd.properties"
    lazy val username = property[String]
    lazy val password = property[String]
  }

  // provide username and password as defined in pwd.properties
  override lazy val liquibaseUsername = liquibaseEnv.username.get.getOrElse(null)
  override lazy val liquibasePassword = liquibaseEnv.password.get.getOrElse(null)
}