using System.Collections.Generic;
using Content.Client.Construction;
using Content.Shared.Construction;
using Content.Shared.GameObjects.Components.Construction;
using Robust.Client.GameObjects;
using Robust.Client.Interfaces.GameObjects;
using Robust.Client.Interfaces.Graphics;
using Robust.Shared.GameObjects;
using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Interfaces.GameObjects.Components;
using Robust.Shared.Interfaces.Network;
using Robust.Shared.IoC;
using Robust.Shared.Log;
using Robust.Shared.Map;
using Robust.Shared.Maths;

namespace Content.Client.GameObjects.Components.Construction
{
    public class ConstructorComponent : SharedConstructorComponent
    {
        int nextId;
        readonly Dictionary<int, ConstructionGhostComponent> Ghosts = new Dictionary<int, ConstructionGhostComponent>();
        ConstructionButton Button;

        ITransformComponent Transform;

        public override void Initialize()
        {
            base.Initialize();

            Transform = Owner.GetComponent<ITransformComponent>();
        }

        public override void HandleMessage(ComponentMessage message, INetChannel netChannel = null, IComponent component = null)
        {
            base.HandleMessage(message, netChannel, component);

            switch (message)
            {
                case PlayerAttachedMsg _:
                    if (Button == null)
                    {
                        Button = new ConstructionButton {Owner = this};
                    }
                    Button.AddToScreen();
                    break;

                case PlayerDetachedMsg _:
                    Button.RemoveFromScreen();
                    break;

                case AckStructureConstructionMessage ackMsg:
                    ClearGhost(ackMsg.Ack);
                    break;
            }
        }

        public override void OnRemove()
        {
            Button?.Dispose();
        }

        public void SpawnGhost(ConstructionPrototype prototype, GridCoordinates loc, Direction dir)
        {
            var entMgr = IoCManager.Resolve<IClientEntityManager>();
            var ghost = entMgr.SpawnEntityAt("constructionghost", loc);
            var comp = ghost.GetComponent<ConstructionGhostComponent>();
            comp.Prototype = prototype;
            comp.Master = this;
            comp.GhostID = nextId++;
            ghost.GetComponent<ITransformComponent>().LocalRotation = dir.ToAngle();
            var sprite = ghost.GetComponent<SpriteComponent>();
            sprite.LayerSetSprite(0, prototype.Icon);
            sprite.LayerSetVisible(0, true);

            Ghosts.Add(comp.GhostID, comp);
        }

        public void TryStartConstruction(int ghostId)
        {
            var ghost = Ghosts[ghostId];
            var transform = ghost.Owner.GetComponent<ITransformComponent>();
            var msg = new TryStartStructureConstructionMessage(transform.GridPosition, ghost.Prototype.ID, transform.LocalRotation, ghostId);
            SendNetworkMessage(msg);
        }

        public void ClearGhost(int ghostId)
        {
            if (Ghosts.TryGetValue(ghostId, out var ghost))
            {
                ghost.Owner.Delete();
                Ghosts.Remove(ghostId);
            }
        }
    }
}