using System.Collections.Generic;
using JD.Kernel.StaticHelpers;

namespace JD.TeaBoxAddinSystem.Bootstrap
{
    /// <summary>
    /// Class that runs bootstrap commands from a list of commands.
    /// </summary>
    public class BootstrapCommandRunner
    {
        #region Variables

        private readonly IEnumerable<IBootstrapCommand> m_commands;

        #endregion

        #region Constructor

        /// <summary>
        /// Alternative constructor.
        /// </summary>
        /// <param name="commands">Commands to run.</param>
        public BootstrapCommandRunner(IEnumerable<IBootstrapCommand> commands)
        {
            Throw.IfNull(commands, "commands");

            m_commands = commands;
        }

        #endregion

        #region Methods

        /// <summary>
        /// Runs the commands.
        /// </summary>
        /// <returns>True if all commands executed normally, or false if one of the commands asked to quit or threw an exception.</returns>
        public bool Run()
        {
            foreach (IBootstrapCommand command in m_commands)
            {
                LogService.LogService.LogDebugMessage("Running command {0}...", command);
                
                command.Execute();

                ICommandLineHandler handler = command as ICommandLineHandler;
                if (handler != null && handler.QuitAfterExecuted)
                {
                    return false;
                }
            }

            return true;
        }

        #endregion
    }
}