using Cysharp.Threading.Tasks;
using Gameplay.SubSystems;
using PhxhSDK;
using PhxhSDK.Res;
using UnityEngine;

namespace Gameplay.LegionBattle
{
    public sealed partial class LegionBattle : IUpdatable, ILoadable
    {
        /// <summary>
        /// 军团战地图
        /// </summary>
        public Map Map { get; private set; }

        /// <summary>
        /// 两格之间的距离
        /// </summary>
        public float Distance { get; private set; }

        public async UniTask LoadMap()
        {
            SceneHandle sceneHandle = await GameSceneManager.Instance.LoadSceneAsync(MapCfg.Path);
            MapData mapData = await MapUtils.LoadMapData(MapCfg.MapData); // 加载地图数据
            Map = await MapUtils.LoadMap(mapData); // 加载地图

            Camera camera = sceneHandle.Camera;
            CameraManager.Instance.SwitchMainCamera(camera);
            MapUtils.BindCameraController(camera, Map);
            Map.TerrainGridSystem.showCells = true;
            Vector3 start = Map.TGSCellIndex2WorldPosition(0);
            Vector3 end = Map.TGSCellIndex2WorldPosition(1);
            Distance = (end - start).magnitude;
        }

        /// <summary>
        /// 更新建筑地板
        /// </summary>
        /// <param name="cellIndex"></param>
        private void UpdateBuildingCell(int cellIndex)
        {
            if (!TryGetBuildingDataByIndex(cellIndex, out LegionBuildingData buildingData))
                return;

            switch (buildingData.CurCamp)
            {
                case NLDPB.BattlefieldActorCamp.CampA:
                    {
                        Color color = new(0f, 0f, 1f, 0.5f);

                        foreach (int index in buildingData.SetRange)
                        {
                            if (buildingData.SetAllIndex.Contains(index)) // TODO 占领格子临时刷成不透明
                            {
                                Map.SetBlockColor(index, true, new Color(color.r, color.g, color.b, 1f));
                                continue;
                            }

                            Map.SetBlockColor(index, true, color); // 范围格子
                        }
                    }
                    break;
                case NLDPB.BattlefieldActorCamp.CampB:
                    {
                        Color color = new(1f, 0f, 0f, 0.5f);

                        foreach (int index in buildingData.SetRange)
                        {
                            if (buildingData.SetAllIndex.Contains(index)) // TODO 占领格子临时刷成不透明
                            {
                                Map.SetBlockColor(index, true, new Color(color.r, color.g, color.b, 1f));
                                continue;
                            }

                            Map.SetBlockColor(index, true, color); // 范围格子
                        }
                    }
                    break;
                default:
                    {
                        foreach (int index in buildingData.SetRange)
                        {
                            if (buildingData.SetAllIndex.Contains(index)) // TODO 占领格子临时刷成不透明
                            {
                                Map.SetBlockColor(index, true, Color.white);
                                continue;
                            }

                            Map.SetBlockColor(index, false, Color.white); // 范围格子
                        }
                    }
                    break;
            }
        }
    }
}