// <copyright file="CastleSiegePhaseChatCommandPlugIn.cs" company="MUnique">
// Licensed under the MIT License. See LICENSE file in the project root for full license information.
// </copyright>

namespace MUnique.OpenMU.GameLogic.PlugIns.ChatCommands;

using System.Runtime.InteropServices;
using MUnique.OpenMU.GameLogic.CastleSiege;
using MUnique.OpenMU.GameLogic.PlugIns.PeriodicTasks;
using MUnique.OpenMU.GameLogic.Views;
using MUnique.OpenMU.Interfaces;
using MUnique.OpenMU.PlugIns;

/// <summary>Forces a specific Castle Siege phase. GM only. Usage: /csphase Siege.</summary>
[Guid("A1B2C3D4-0003-4E5F-9A0B-CA5710000003")]
[PlugIn]
[Display(Name = "Castle Siege Phase", Description = "GM command: /csphase <Ownership|Registration|Preparation|Siege|Settlement>")]
[ChatCommandHelp(Command, CharacterStatus.GameMaster)]
public class CastleSiegePhaseChatCommandPlugIn : IChatCommandPlugIn
{
    private const string Command = "/csphase";

    /// <inheritdoc />
    public string Key => Command;

    /// <inheritdoc/>
    public CharacterStatus MinCharacterStatusRequirement => CharacterStatus.GameMaster;

    /// <inheritdoc />
    public async ValueTask HandleCommandAsync(Player player, string command)
    {
        var parts = command.Split(' ', StringSplitOptions.RemoveEmptyEntries);
        if (parts.Length < 2 || !Enum.TryParse<CastleSiegePhase>(parts[1], true, out var phase))
        {
            await player.InvokeViewPlugInAsync<IShowMessagePlugIn>(p => p.ShowMessageAsync("Usage: /csphase <Ownership|Registration|Preparation|Siege|Settlement>", MessageType.BlueNormal)).ConfigureAwait(false);
            return;
        }

        var context = CastleSiegeEventPlugIn.TryGetContext(player.GameContext);
        if (context is null)
        {
            await player.InvokeViewPlugInAsync<IShowMessagePlugIn>(p => p.ShowMessageAsync("Castle Siege plugin not active.", MessageType.BlueNormal)).ConfigureAwait(false);
            return;
        }

        await context.ForcePhaseAsync(phase, DateTime.UtcNow).ConfigureAwait(false);
        await player.InvokeViewPlugInAsync<IShowMessagePlugIn>(p => p.ShowMessageAsync($"Castle Siege: phase set to {phase}.", MessageType.BlueNormal)).ConfigureAwait(false);
    }
}