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

namespace MUnique.OpenMU.GameLogic.PlayerActions.Quests;

using MUnique.OpenMU.AttributeSystem;
using MUnique.OpenMU.DataModel.Attributes;
using MUnique.OpenMU.GameLogic.Attributes;
using MUnique.OpenMU.GameLogic.Views;
using MUnique.OpenMU.Interfaces;

/// <summary>
/// Action of requesting the elf soldier buff.
/// </summary>
/// <remarks>
/// Instead of hard-coding all this stuff, we could define something like a 'RequestableBuff' in the MonsterDefinition.
/// </remarks>
public class ElfSoldierBuffRequestAction
{
    private static readonly short ElfSoldierNumber = 257;

    private static readonly MagicEffectDefinition BuffEffect = new SoldierBuffMagicEffectDefinition
    {
        InformObservers = true,
        Name = "Elf Soldier Buff",
        Number = 3,
        StopByDeath = true,
    };

    /// <summary>
    /// Requests the buff and adds it to the <see cref="Player.MagicEffectList"/> when the player is allowed to get it.
    /// </summary>
    /// <param name="player">The player.</param>
    public async ValueTask RequestBuffAsync(Player player)
    {
        if (player.OpenedNpc is null
            || player.OpenedNpc.Definition.NpcWindow != NpcWindow.NpcDialog
            || player.OpenedNpc.Definition.Number != ElfSoldierNumber)
        {
            return;
        }

        if (player.Level > 220)
        {
            await player.ShowLocalizedBlueMessageAsync(nameof(PlayerMessage.ElfSoldierStrongEnoughMessage)).ConfigureAwait(false);
            return;
        }

        await player.MagicEffectList.AddEffectAsync(new MagicEffect(
            TimeSpan.FromMinutes(60),
            BuffEffect,
            new MagicEffect.ElementWithTarget(new ConstantElement(50 + (player.Level / 5), AggregateType.AddFinal), Stats.DefenseFinal),
            new MagicEffect.ElementWithTarget(new ConstantElement(45 + (player.Level / 3)), Stats.GreaterDamageBonus))).ConfigureAwait(false);
    }

    private sealed class SoldierBuffMagicEffectDefinition : MagicEffectDefinition
    {
        public SoldierBuffMagicEffectDefinition()
        {
            this.PowerUpDefinitions = new List<PowerUpDefinition>(2);
        }
    }
}