// <copyright file="AddArkaniaMapUpdateSeason6.cs" company="MUnique">
// Licensed under the MIT License. See LICENSE file in the project root for full license information.
// </copyright>

namespace MUnique.OpenMU.Persistence.Initialization.Updates;

using System.Runtime.InteropServices;
using MUnique.OpenMU.DataModel.Configuration;
using MUnique.OpenMU.Persistence.Initialization.VersionSeasonSix.Maps;
using MUnique.OpenMU.PlugIns;

/// <summary>
/// Adds the imported Arkania map (number 83): the map definition with its terrain,
/// a spawn gate on a walkable tile, and a /move warp entry so players can reach it.
/// Monsters and NPCs are added afterwards via the admin panel.
/// </summary>
[PlugIn]
[Display(Name = PlugInName, Description = PlugInDescription)]
[Guid("2C8B0A61-6B2E-4D7A-9E3C-7F1A4B2D9E01")]
public class AddArkaniaMapUpdateSeason6 : UpdatePlugInBase
{
    internal const string PlugInName = "Add Arkania map (83)";
    internal const string PlugInDescription = "Adds the imported Arkania map (number 83) with terrain, a spawn gate, and a /move warp. Monsters/NPCs are added via the admin panel.";

    /// <inheritdoc />
    public override UpdateVersion Version => UpdateVersion.AddArkaniaMapSeason6;

    /// <inheritdoc />
    public override string DataInitializationKey => VersionSeasonSix.DataInitialization.Id;

    /// <inheritdoc />
    public override string Name => PlugInName;

    /// <inheritdoc />
    public override string Description => PlugInDescription;

    /// <inheritdoc />
    public override bool IsMandatory => true;

    /// <inheritdoc />
    public override DateTime CreatedAt => new(2026, 07, 19, 12, 0, 0, DateTimeKind.Utc);

    /// <inheritdoc />
    protected override async ValueTask ApplyAsync(IContext context, GameConfiguration gameConfiguration)
    {
        // Idempotency guard: skip if Arkania (82) already exists.
        if (gameConfiguration.Maps.Any(m => m.Number == Arkania.Number))
        {
            return;
        }

        var initializer = new Arkania(context, gameConfiguration);
        initializer.Initialize();      // creates map 82 + loads terrain from Terrain83.att
        initializer.SetSafezoneMap();

        var arkania = gameConfiguration.Maps.First(m => m.Number == Arkania.Number);

        // Host the map on every game server configuration (fresh seeds do this
        // automatically, but existing databases need it added explicitly).
        var serverConfigs = await context.GetAsync<GameServerConfiguration>().ConfigureAwait(false);
        foreach (var serverConfig in serverConfigs)
        {
            if (serverConfig.Maps.All(m => m.Number != Arkania.Number))
            {
                serverConfig.Maps.Add(arkania);
            }
        }

        // Spawn gate on a walkable tile (center of the map; attr 0x00, verified walkable).
        var spawnGate = context.CreateNew<ExitGate>();
        arkania.ExitGates.Add(spawnGate);
        spawnGate.Map = arkania;
        spawnGate.X1 = 128;
        spawnGate.Y1 = 128;
        spawnGate.X2 = 128;
        spawnGate.Y2 = 128;
        spawnGate.IsSpawnGate = true;

        // /move warp entry.
        if (gameConfiguration.WarpList.All(w => w.Name != Arkania.Name))
        {
            var warp = context.CreateNew<WarpInfo>();
            gameConfiguration.WarpList.Add(warp);
            warp.Index = 83;
            warp.Name = Arkania.Name;
            warp.Costs = 5000;
            warp.LevelRequirement = 10;
            warp.Gate = spawnGate;
        }
    }
}