package ch.gtache.fro.practice;

import ch.gtache.fro.Bird;

/**
 * Runs a practice session
 */
public interface PracticeRunner {

    /**
     * Starts a practice run
     *
     * @param parameters The practice parameters
     * @return The practice run
     */
    PracticeRun start(PracticeParameters parameters);

    /**
     * Runs a step in the practice run
     *
     * @param run    The run
     * @param answer The answer
     * @return The run after the step
     */
    PracticeRun step(PracticeRun run, Bird answer);

    /**
     * Finishes the practice run
     *
     * @param run The run
     * @return The result of the run
     */
    PracticeResult finish(PracticeRun run);
}