using Yuanshen.Gameserver.Controllers.Attributes;
using Yuanshen.Gameserver.Controllers.Result;
using Yuanshen.Gameserver.Game;
using Yuanshen.Gameserver.Network.Session;
using Yuanshen.Protocol;
using Microsoft.Extensions.Logging;

namespace Yuanshen.Gameserver.Controllers;

[NetController]
internal sealed class AbilityController : ControllerBase
{
    [NetCommand(CmdType.AbilityInvocationsNotify)]
    public async ValueTask<IResult> OnAbilityInvocationsNotify(NetSession session)
    {
        AbilityInvocationsNotify notify = Packet!.DecodeBody<AbilityInvocationsNotify>();
        await ForwardAsync(session, notify.Invokes);
        return Ok();
    }

    [NetCommand(CmdType.ClientAbilityInitFinishNotify)]
    public async ValueTask<IResult> OnClientAbilityInitFinishNotify(NetSession session, Player player, SceneManager scene, ILogger<AbilityController> logger)
    {
        ClientAbilityInitFinishNotify notify = Packet!.DecodeBody<ClientAbilityInitFinishNotify>();

        foreach (AbilityInvokeEntry entry in notify.Invokes)
        {
            logger.LogDebug("AbilityInit entity={e} arg={arg} fwd={fwd} instAbility={ia} instModifier={im} localId={l} target={t}",
                notify.EntityId, entry.ArgumentType, entry.ForwardType,
                entry.Head?.InstancedAbilityId, entry.Head?.InstancedModifierId, entry.Head?.LocalId, entry.Head?.TargetId);
        }

        await ForwardAsync(session, notify.Invokes);

        GameMonster? monster = player.Monsters.FirstOrDefault(m => m.EntityId == notify.EntityId);
        if (monster is not null)
            await scene.SyncMonsterLevelAsync(monster);

        return Ok();
    }

    [NetCommand(CmdType.ClientAbilityChangeNotify)]
    public async ValueTask<IResult> OnClientAbilityChangeNotify(NetSession session)
    {
        ClientAbilityChangeNotify notify = Packet!.DecodeBody<ClientAbilityChangeNotify>();
        await ForwardAsync(session, notify.Invokes);
        return Ok();
    }

    [NetCommand(CmdType.EvtDoSkillSuccNotify)]
    public ValueTask<IResult> OnEvtDoSkillSuccNotify(ILogger<AbilityController> logger)
    {
        logger.LogDebug("DoSkillSucc raw={body}", Convert.ToHexString(Packet!.Body.Span));
        return ValueTask.FromResult(Ok());
    }

    internal static async ValueTask ForwardAsync(NetSession session, IEnumerable<AbilityInvokeEntry> invokes)
    {
        AbilityInvocationsNotify forward = new();

        foreach (AbilityInvokeEntry entry in invokes)
        {
            if (entry.ForwardType is ForwardType.ForwardLocal)
                continue;

            forward.Invokes.Add(entry);
        }

        if (forward.Invokes.Count != 0)
            await session.NotifyAsync(CmdType.AbilityInvocationsNotify, forward);
    }
}