using System;
using RageCoop.Core;
using RageCoop.Core.Scripting;

namespace RageCoop.Server.Scripting;

/// <summary>
///     Inherit from this class, constructor will be called automatically, but other scripts might have yet been loaded and
///     <see cref="API" /> will be null, you should use <see cref="OnStart" />. to initiate your script.
/// </summary>
public abstract class ServerScript
{
    /// <summary>
    ///     Get the <see cref="Scripting.API" /> instance that can be used to control the server.
    /// </summary>
    public API API { get; set; }

    /// <summary>
    ///     Get the <see cref="ServerResource" /> this script belongs to, this property won't be initiated before
    ///     <see cref="OnStart" />.
    /// </summary>
    public ServerResource CurrentResource { get; internal set; }

    /// <summary>
    ///     Get the <see cref="ResourceFile" /> that the script belongs to.
    /// </summary>
    public ResourceFile CurrentFile { get; internal set; }

    /// <summary>
    ///     Eqivalent of <see cref="ServerResource.Logger" /> in <see cref="CurrentResource" />
    /// </summary>
    public Logger Logger => CurrentResource.Logger;

    /// <summary>
    ///     This method would be called from listener thread after all scripts have been loaded.
    /// </summary>
    public abstract void OnStart();

    /// <summary>
    ///     This method would be called from listener thread when the server is shutting down, you MUST terminate all
    ///     background jobs/threads in this method.
    /// </summary>
    public abstract void OnStop();
}

/// <summary>
///     Decorate your method with this attribute and use <see cref="API.RegisterCommands{T}" /> or
///     <see cref="API.RegisterCommands(object)" /> to register commands.
/// </summary>
[AttributeUsage(AttributeTargets.Method, Inherited = false)]
public class Command : Attribute
{
    /// <summary>
    /// </summary>
    /// <param name="name">Name of the command</param>
    public Command(string name)
    {
        Name = name;
    }

    /// <summary>
    ///     Sets name of the command
    /// </summary>
    public string Name { get; set; }

    /// <summary>
    ///     Set the Usage (Example: "Please use "/help"". ArgsLength required!)
    /// </summary>
    public string Usage { get; set; }

    /// <summary>
    ///     Set the length of arguments (Example: 2 for "/message USERNAME MESSAGE". Usage required!)
    /// </summary>
    public short ArgsLength { get; set; }
}

/// <summary>
///     The context containg command information.
/// </summary>
public class CommandContext
{
    /// <summary>
    ///     Gets the client which executed the command
    /// </summary>
    public Client Client { get; internal set; }

    /// <summary>
    ///     Gets the arguments (Example: "/message USERNAME MESSAGE", Args[0] for USERNAME)
    /// </summary>
    public string[] Args { get; internal set; }
}