using System;

using System.ComponentModel;

using Mercurial.Attributes;



namespace Mercurial

{

    /// <summary>

    /// This class implements the "hg init" command (<see href="http://www.selenic.com/mercurial/hg.1.html#init"/>):

    /// create a new repository at the given remote location.

    /// </summary>

    public sealed class RemoteInitCommand : MercurialCommandBase<RemoteInitCommand>

    {

        /// <summary>

        /// This is the backing field for the <see cref="SshCommand"/> property.

        /// </summary>

        private string _SshCommand = string.Empty;



        /// <summary>

        /// This is the backing field for the <see cref="RemoteCommand"/> property.

        /// </summary>

        private string _RemoteCommand = string.Empty;



        /// <summary>

        /// This is the backing field for the <see cref="VerifyServerCertificate"/> property.

        /// </summary>

        private bool _VerifyServerCertificate = true;



        /// <summary>

        /// This is the backing field for the <see cref="Location"/> property.

        /// </summary>

        private string _Location = string.Empty;



        /// <summary>

        /// Initializes a new instance of the <see cref="RemoteInitCommand"/> class.

        /// </summary>

        public RemoteInitCommand()

            : base("init")

        {

            // Do nothing here

        }



        /// <summary>

        /// Gets or sets the ssh command to use when cloning.

        /// Default is <see cref="string.Empty"/>.

        /// </summary>

        [NullableArgument(NonNullOption = "--ssh")]

        [DefaultValue("")]

        public string SshCommand

        {

            get

            {

                return _SshCommand;

            }



            set

            {

                _SshCommand = (value ?? string.Empty).Trim();

            }

        }



        /// <summary>

        /// Gets or sets the hg command to run on the remote side.

        /// Default is <see cref="string.Empty"/>.

        /// </summary>

        [NullableArgument(NonNullOption = "--remotecmd")]

        [DefaultValue("")]

        public string RemoteCommand

        {

            get

            {

                return _RemoteCommand;

            }



            set

            {

                _RemoteCommand = (value ?? string.Empty).Trim();

            }

        }



        /// <summary>

        /// Gets or sets a value indicating whether to verify the server certificate. If set to <c>false</c>, will ignore web.cacerts configuration.

        /// Default value is <c>true</c>.

        /// </summary>

        [BooleanArgument(FalseOption = "--insecure")]

        [DefaultValue(true)]

        public bool VerifyServerCertificate

        {

            get

            {

                return _VerifyServerCertificate;

            }



            set

            {

                RequiresVersion(new Version(1, 7, 5), "VerifyServerCertificate property of the PullCommand class");

                _VerifyServerCertificate = value;

            }

        }



        /// <summary>

        /// Gets or sets the Url of the remote location to initialize a repository.

        /// Default value is <see cref="string.Empty"/>.

        /// </summary>

        [NullableArgument]

        [DefaultValue("")]

        public string Location

        {

            get

            {

                return _Location;

            }



            set

            {

                _Location = (value ?? string.Empty).Trim();

            }

        }



        /// <summary>

        /// Sets the <see cref="SshCommand"/> property to the specified value and

        /// returns this <see cref="RemoteInitCommand"/> instance.

        /// </summary>

        /// <param name="value">

        /// The new value for the <see cref="SshCommand"/> property.

        /// </param>

        /// <returns>

        /// This <see cref="RemoteInitCommand"/> instance.

        /// </returns>

        /// <remarks>

        /// This method is part of the fluent interface.

        /// </remarks>

        public RemoteInitCommand WithSshCommand(string value)

        {

            SshCommand = value;

            return this;

        }



        /// <summary>

        /// Sets the <see cref="RemoteCommand"/> property to the specified value and

        /// returns this <see cref="RemoteInitCommand"/> instance.

        /// </summary>

        /// <param name="value">

        /// The new value for the <see cref="RemoteCommand"/> property.

        /// </param>

        /// <returns>

        /// This <see cref="RemoteInitCommand"/> instance.

        /// </returns>

        /// <remarks>

        /// This method is part of the fluent interface.

        /// </remarks>

        public RemoteInitCommand WithRemoteCommand(string value)

        {

            RemoteCommand = value;

            return this;

        }



        /// <summary>

        /// Sets the <see cref="VerifyServerCertificate"/> property to the specified value and

        /// returns this <see cref="RemoteInitCommand"/> instance.

        /// </summary>

        /// <param name="value">

        /// The new value for the <see cref="VerifyServerCertificate"/> property.

        /// </param>

        /// <returns>

        /// This <see cref="RemoteInitCommand"/> instance.

        /// </returns>

        /// <remarks>

        /// This method is part of the fluent interface.

        /// </remarks>

        public RemoteInitCommand WithVerifyServerCertificate(bool value)

        {

            VerifyServerCertificate = value;

            return this;

        }



        /// <summary>

        /// Sets the <see cref="VerifyServerCertificate"/> property to the specified value and

        /// returns this <see cref="RemoteInitCommand"/> instance.

        /// </summary>

        /// <param name="value">

        /// The new value for the <see cref="VerifyServerCertificate"/> property.

        /// </param>

        /// <returns>

        /// This <see cref="RemoteInitCommand"/> instance.

        /// </returns>

        /// <remarks>

        /// This method is part of the fluent interface.

        /// </remarks>

        public RemoteInitCommand WithLocation(string value)

        {

            Location = value;

            return this;

        }



        /// <summary>

        /// Validates the command configuration. This method should throw the necessary

        /// exceptions to signal missing or incorrect configuration (like attempting to

        /// add files to the repository without specifying which files to add.)

        /// </summary>

        /// <exception cref="InvalidOperationException">

        /// <para>The <see cref="VerifyServerCertificate"/> command was used with Mercurial 1.7.4 or older.</para>

        /// <para>- or -</para>

        /// <para>The <see cref="Location"/> property was blank.</para>

        /// </exception>

        public override void Validate()

        {

            base.Validate();



            if (StringEx.IsNullOrWhiteSpace(Location))

                throw new InvalidOperationException("The Location property must be set before executing a RemoteInitCommand");

            if (!VerifyServerCertificate && ClientExecutable.CurrentVersion < new Version(1, 7, 5))

                throw new InvalidOperationException("The 'VerifyServerCertificate' property is only available in Mercurial 1.7.5 and newer");

        }

    }

}