using System;
using Gameplay.Area;
using Gameplay.Level;
using Gameplay.Unit;
using Gameplay.Unit.Data;

public static class AIMoveHelper
{
    /// <summary>
    /// 单位移动
    /// </summary>
    public static bool MoveToCell(GameUnit owner, int cellIndex, bool cancelFollow = true)
    {
        try
        {
            if (owner == null || cellIndex == -1) return false;
            var map = LevelManager.Instance.CurrentLevel.Map;
            var mapData = map?.MapData;
            var blockData = mapData?.GetBlockData(cellIndex);
            var typeProperty = blockData?.GetTerrainTypeProperty();
            if (typeProperty == null || !typeProperty.selectable) return false;

            owner.MoveTo(cellIndex, cancelFollow);
            return true;
        }
        catch (Exception e)
        {
            DebugUtil.LogError("AIUtils.MoveToCell error: {0}", e);
            return false;
        }
    }

    /// <summary>
    /// 移动向敌人并检查
    /// </summary>
    public static void MoveToTarget(GameUnit owner, GameUnit target, bool cancelFollow = true)
    {
        try
        {
            if (owner == null || target == null) return;
            var cellIndex = target.transData.cellIndex;
            if (!MoveToCell(owner, cellIndex, cancelFollow)) return;

            if (owner.gameunitType != EGameUnitType.Character &&
                owner.gameunitType != EGameUnitType.Vehicle) return;

            var units = AreaManager.instance.GetUnitsByCellIndex(cellIndex);
            foreach (var unit in units)
            {
                if (unit.commonData.troopId == owner.commonData.troopId)
                {
                }
                else
                {
                    // 如果是敌人, 则设置敌人目标
                    if (unit.statusData.CheckCanBeTarget(owner, -1))
                    {
                        owner.controlData.markEnemy = unit;
                        owner.controlData.forceUpdateTarget = true;

                        return;
                    }
                }
            }

            // 走到这里,说明没有目标,清空标记
            owner.controlData.markVehicle = null;
            owner.controlData.markEnemy = null;
        }
        catch (Exception e)
        {
            DebugUtil.LogError("AIUtils.CheckAndMove error: {0}", e);
        }
    }
}