using System;
using GeometryTD.Definition;
using UnityEngine;

namespace GeometryTD.CustomUtility
{
    public static class InventoryCloneUtility
    {
        public static BackpackInventoryData CloneInventory(BackpackInventoryData source)
        {
            BackpackInventoryData cloned = new BackpackInventoryData();
            if (source == null)
            {
                return cloned;
            }

            cloned.Gold = Mathf.Max(0, source.Gold);

            if (source.MuzzleComponents != null)
            {
                for (int i = 0; i < source.MuzzleComponents.Count; i++)
                {
                    MuzzleCompItemData item = source.MuzzleComponents[i];
                    if (item != null)
                    {
                        cloned.MuzzleComponents.Add(CloneMuzzleComp(item));
                    }
                }
            }

            if (source.BearingComponents != null)
            {
                for (int i = 0; i < source.BearingComponents.Count; i++)
                {
                    BearingCompItemData item = source.BearingComponents[i];
                    if (item != null)
                    {
                        cloned.BearingComponents.Add(CloneBearingComp(item));
                    }
                }
            }

            if (source.BaseComponents != null)
            {
                for (int i = 0; i < source.BaseComponents.Count; i++)
                {
                    BaseCompItemData item = source.BaseComponents[i];
                    if (item != null)
                    {
                        cloned.BaseComponents.Add(CloneBaseComp(item));
                    }
                }
            }

            if (source.Towers != null)
            {
                for (int i = 0; i < source.Towers.Count; i++)
                {
                    TowerItemData item = source.Towers[i];
                    if (item != null)
                    {
                        cloned.Towers.Add(CloneTower(item));
                    }
                }
            }

            if (source.ParticipantTowerInstanceIds != null)
            {
                for (int i = 0; i < source.ParticipantTowerInstanceIds.Count; i++)
                {
                    long id = source.ParticipantTowerInstanceIds[i];
                    if (id > 0)
                    {
                        cloned.ParticipantTowerInstanceIds.Add(id);
                    }
                }
            }

            return cloned;
        }

        public static MuzzleCompItemData CloneMuzzleComp(MuzzleCompItemData source)
        {
            if (source == null)
            {
                return null;
            }

            return new MuzzleCompItemData
            {
                InstanceId = source.InstanceId,
                ConfigId = source.ConfigId,
                Name = source.Name,
                Rarity = source.Rarity,
                Endurance = source.Endurance,
                IsAssembledIntoTower = source.IsAssembledIntoTower,
                Constraint = source.Constraint,
                Tags = CloneTags(source.Tags),
                AttackDamage = CloneIntArray(source.AttackDamage),
                DamageRandomRate = source.DamageRandomRate,
                AttackMethodType = source.AttackMethodType
            };
        }

        public static BearingCompItemData CloneBearingComp(BearingCompItemData source)
        {
            if (source == null)
            {
                return null;
            }

            return new BearingCompItemData
            {
                InstanceId = source.InstanceId,
                ConfigId = source.ConfigId,
                Name = source.Name,
                Rarity = source.Rarity,
                Endurance = source.Endurance,
                IsAssembledIntoTower = source.IsAssembledIntoTower,
                Constraint = source.Constraint,
                Tags = CloneTags(source.Tags),
                RotateSpeed = CloneFloatArray(source.RotateSpeed),
                AttackRange = CloneFloatArray(source.AttackRange)
            };
        }

        public static BaseCompItemData CloneBaseComp(BaseCompItemData source)
        {
            if (source == null)
            {
                return null;
            }

            return new BaseCompItemData
            {
                InstanceId = source.InstanceId,
                ConfigId = source.ConfigId,
                Name = source.Name,
                Rarity = source.Rarity,
                Endurance = source.Endurance,
                IsAssembledIntoTower = source.IsAssembledIntoTower,
                Constraint = source.Constraint,
                Tags = CloneTags(source.Tags),
                AttackSpeed = CloneFloatArray(source.AttackSpeed),
                AttackPropertyType = source.AttackPropertyType
            };
        }

        public static TowerItemData CloneTower(TowerItemData source)
        {
            if (source == null)
            {
                return null;
            }

            return new TowerItemData
            {
                InstanceId = source.InstanceId,
                Name = source.Name,
                Rarity = source.Rarity,
                IsParticipatingInCombat = source.IsParticipatingInCombat,
                MuzzleComponentInstanceId = source.MuzzleComponentInstanceId,
                BearingComponentInstanceId = source.BearingComponentInstanceId,
                BaseComponentInstanceId = source.BaseComponentInstanceId,
                Stats = CloneTowerStats(source.Stats)
            };
        }

        public static TowerStatsData CloneTowerStats(TowerStatsData source)
        {
            if (source == null)
            {
                return new TowerStatsData();
            }

            return new TowerStatsData
            {
                AttackDamage = CloneIntArray(source.AttackDamage),
                DamageRandomRate = source.DamageRandomRate,
                RotateSpeed = CloneFloatArray(source.RotateSpeed),
                AttackRange = CloneFloatArray(source.AttackRange),
                AttackSpeed = CloneFloatArray(source.AttackSpeed),
                AttackMethodType = source.AttackMethodType,
                AttackPropertyType = source.AttackPropertyType,
                Tags = CloneTags(source.Tags)
            };
        }

        public static int[] CloneIntArray(int[] source)
        {
            return source != null ? (int[])source.Clone() : Array.Empty<int>();
        }

        public static float[] CloneFloatArray(float[] source)
        {
            return source != null ? (float[])source.Clone() : Array.Empty<float>();
        }

        public static TagType[] CloneTags(TagType[] source)
        {
            return source != null ? (TagType[])source.Clone() : Array.Empty<TagType>();
        }
    }


}