using System;
using System.Collections.Generic;
using UnityEngine;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    [Serializable]
    public class Unit
    {
        [Tooltip("부대의 이름")]
        public string unitName;
        
        [Tooltip("부대의 종류")]
        public GlobalValue.UnitType unitType;
        
        [Tooltip("부대의 병력 수")]
        public int soliderCount;
        
        [Tooltip("부대 병력 리스트")]
        public List<AiController> soldierList;
        
        public Unit()
        {
            unitName = null;
            unitType = GlobalValue.UnitType.NONE;
            soliderCount = 0;
            soldierList = new List<AiController>();
        }

        public Unit(string unitName, GlobalValue.UnitType unitType, int soliderCount, List<AiController> soldierList)
        {
            this.unitName = unitName;
            this.unitType = unitType;
            this.soliderCount = soliderCount;
            
            this.soldierList = new List<AiController>(this.soliderCount);
            this.soldierList = soldierList;
        }
    }
    
    public class UnitController : MonoBehaviour
    {
        public Unit unit;

#if UNITY_EDITOR
        private void OnDrawGizmosSelected()
        {
            if (unit == null || unit.soliderCount <= 0) return;
            
            var unitManager = Application.isPlaying ? GameManager.Inst.UnitManager : FindObjectOfType<UnitManager>();
            if (unitManager == null) return;

            var matrix = unitManager.UnitMatrices.Find(um => um.soldiers == unit.soliderCount);
            if (matrix == null) return;

            for (var i = 0; i < unit.soliderCount; i++)
            {
                var row = i / matrix.columns;
                var column = i % matrix.columns;

                var xOffset = (column - (matrix.columns - 1) / 2.0f) * 0.5f;
                var zOffset = (row - (matrix.rows - 1) / 2.0f) * 0.5f;
                var spawnPosition = transform.position + new Vector3(xOffset, 0, zOffset);

                var ray = new Ray(spawnPosition, Vector3.down);
                Gizmos.color = Physics.Raycast(ray, unitManager.MaxGroundDistance, unitManager.GroundLayer) ? Color.green : Color.red;
                Gizmos.DrawRay(ray.origin, ray.direction * unitManager.MaxGroundDistance);
            }
        }
#endif

        [ContextMenu("유닛 생성")]
        public void CreateUnit()
        {
            if (!Application.isPlaying)
            {
                var unitManager = FindObjectOfType<UnitManager>();
                unitManager.CreateUnit(this, unit);
                return;
            }
            
            GameManager.Inst.UnitManager.CreateUnit(this, unit);
        }

        public void MoveCommand(Vector3 targetPos)
        {
            foreach (var soldier in unit.soldierList)
            {
                soldier.GetNavMeshAgent().SetDestination(targetPos);
            }
        }
    }
}