// <copyright file="AddHeykelSavasiEventUpdateSeason6.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.Events;
using MUnique.OpenMU.Persistence.Initialization.VersionSeasonSix.Maps;
using MUnique.OpenMU.PlugIns;

/// <summary>
/// Adds the TvT Event team event data to an existing configuration: the imported LoL arena map
/// (server number 92 / client World93) with its terrain, the statue (561) and guard (580) monster
/// definitions, the red/blue base spawn gates, the event NPC (560) placed in Lorencia, and the
/// mini-game definition. The event logic (context, packet handlers, chat commands, buffs) ships in
/// the game-logic assemblies and needs no configuration update.
/// </summary>
[PlugIn]
[Display(Name = PlugInName, Description = PlugInDescription)]
[Guid("F2A7C4D9-3E1B-4A86-9C0D-5B7E2A1F8D42")]
public class AddHeykelSavasiEventUpdateSeason6 : UpdatePlugInBase
{
    internal const string PlugInName = "Add TvT Event event (map 92)";

    internal const string PlugInDescription = "Adds the TvT Event team-vs-team event: the LoL arena map (server 92 / World93) with terrain, statue+guard monsters, red/blue base spawn gates, the event NPC (560) in Lorencia, and the mini-game definition.";

    /// <inheritdoc />
    public override UpdateVersion Version => UpdateVersion.AddHeykelSavasiEventSeason6;

    /// <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, 21, 12, 0, 0, DateTimeKind.Utc);

    /// <inheritdoc />
    protected override async ValueTask ApplyAsync(IContext context, GameConfiguration gameConfiguration)
    {
        // Idempotency guard: skip if the TvT Event map (92) already exists.
        if (gameConfiguration.Maps.Any(m => m.Number == HeykelSavasiMap.Number))
        {
            return;
        }

        // 1. Map (No 92) + terrain (Terrain93.att) + statue (561) / guard (580) monster definitions.
        var mapInitializer = new HeykelSavasiMap(context, gameConfiguration);
        mapInitializer.Initialize();
        mapInitializer.SetSafezoneMap();

        var map = gameConfiguration.Maps.First(m => m.Number == HeykelSavasiMap.Number);

        // 2. 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 != HeykelSavasiMap.Number))
            {
                serverConfig.Maps.Add(map);
            }
        }

        // 3. Red/Blue base spawn gates. The X1/Y1 anchors MUST match HeykelSavasiContext.GetTeamSpawnGate
        // (Red = 42,10 top tip of the arena diamond; Blue = 42,92 bottom tip).
        var redBase = context.CreateNew<ExitGate>();
        map.ExitGates.Add(redBase);
        redBase.Map = map;
        redBase.X1 = 42;
        redBase.Y1 = 10;
        redBase.X2 = 42;
        redBase.Y2 = 10;
        redBase.Direction = Direction.South;
        redBase.IsSpawnGate = true;

        var blueBase = context.CreateNew<ExitGate>();
        map.ExitGates.Add(blueBase);
        blueBase.Map = map;
        blueBase.X1 = 42;
        blueBase.Y1 = 92;
        blueBase.X2 = 42;
        blueBase.Y2 = 92;
        blueBase.Direction = Direction.North;
        blueBase.IsSpawnGate = true;

        // 4. Event NPC (560) placed in Lorencia.
        if (gameConfiguration.Monsters.All(m => m.Number != 560))
        {
            var npc = context.CreateNew<MonsterDefinition>();
            gameConfiguration.Monsters.Add(npc);
            npc.Number = 560;
            npc.Designation = "TvT Guard";
            npc.NpcWindow = NpcWindow.Undefined;
            npc.ObjectKind = NpcObjectKind.PassiveNpc;
            npc.SetGuid(npc.Number);

            var lorencia = gameConfiguration.Maps.First(m => m.Number == Lorencia.Number);
            var spawn = context.CreateNew<MonsterSpawnArea>();
            lorencia.MonsterSpawns.Add(spawn);
            spawn.GameMap = lorencia;
            spawn.MonsterDefinition = npc;
            spawn.Quantity = 1;
            spawn.X1 = 140;
            spawn.X2 = 140;
            spawn.Y1 = 120;
            spawn.Y2 = 120;
            spawn.Direction = Direction.SouthEast;
            spawn.SpawnTrigger = SpawnTrigger.Automatic;
        }

        // 5. Mini-game definition (its Entrance references a spawn gate on the map -> after step 3).
        new HeykelSavasiInitializer(context, gameConfiguration).Initialize();
    }
}