using System;
using ModernUO.Serialization;
using Server.Engines.Craft;

namespace Server.Items;

public enum GemType
{
    None,
    StarSapphire,
    Emerald,
    Sapphire,
    Ruby,
    Citrine,
    Amethyst,
    Tourmaline,
    Amber,
    Diamond
}

[SerializationGenerator(5, false)]
public abstract partial class BaseJewel : Item, ICraftable, IAosItem
{
    [EncodedInt]
    [InvalidateProperties]
    [SerializableField(0)]
    [SerializedCommandProperty(AccessLevel.GameMaster)]
    private int _maxHitPoints;

    [SerializableField(3)]
    [InvalidateProperties]
    [SerializedCommandProperty(AccessLevel.GameMaster)]
    private GemType _gemType;

    [SerializedIgnoreDupe]
    [SerializableField(4, setter: "private")]
    [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
    private AosAttributes _attributes;

    [SerializedIgnoreDupe]
    [SerializableField(5, setter: "private")]
    [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
    private AosElementAttributes _resistances;

    [SerializedIgnoreDupe]
    [SerializableField(6, setter: "private")]
    [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
    private AosSkillBonuses _skillBonuses;

    [EncodedInt]
    [SerializableField(7)]
    [SerializedCommandProperty(AccessLevel.GameMaster)]
    private int _gemCount;

    public BaseJewel(int itemID, Layer layer) : base(itemID)
    {
        _attributes = new AosAttributes(this);
        _resistances = new AosElementAttributes(this);
        _skillBonuses = new AosSkillBonuses(this);
        _resource = CraftResource.Iron;
        Hue = CraftResources.GetHue(_resource);
        _gemType = GemType.None;

        Layer = layer;

        _hitPoints = _maxHitPoints = Utility.RandomMinMax(InitMinHits, InitMaxHits);
    }

    [EncodedInt]
    [SerializableProperty(1)]
    [CommandProperty(AccessLevel.GameMaster)]
    public int HitPoints
    {
        get => _hitPoints;
        set
        {
            if (value != _hitPoints && _maxHitPoints > 0)
            {
                _hitPoints = value;

                if (_hitPoints < 0)
                {
                    Delete();
                }
                else if (_hitPoints > _maxHitPoints)
                {
                    _hitPoints = _maxHitPoints;
                }

                InvalidateProperties();
                this.MarkDirty();
            }
        }
    }

    [SerializableProperty(2)]
    [CommandProperty(AccessLevel.GameMaster)]
    public CraftResource Resource
    {
        get => _resource;
        set
        {
            _resource = value;
            Hue = CraftResources.GetHue(_resource);
        }
    }

    public override int PhysicalResistance => Resistances.Physical;
    public override int FireResistance => Resistances.Fire;
    public override int ColdResistance => Resistances.Cold;
    public override int PoisonResistance => Resistances.Poison;
    public override int EnergyResistance => Resistances.Energy;
    public virtual int BaseGemTypeNumber => 0;

    public virtual int InitMinHits => 0;
    public virtual int InitMaxHits => 0;

    public override int LabelNumber
    {
        get
        {
            if (_gemType == GemType.None)
            {
                return base.LabelNumber;
            }

            return BaseGemTypeNumber + (int)_gemType - 1;
        }
    }

    public virtual int ArtifactRarity => 0;

    public int OnCraft(
        int quality, bool makersMark, Mobile from, CraftSystem craftSystem, Type typeRes, BaseTool tool,
        CraftItem craftItem, int resHue
    )
    {
        var resourceType = typeRes ?? craftItem.Resources[0].ItemType;

        Resource = CraftResources.GetFromType(resourceType);

        var context = craftSystem.GetContext(from);

        if (context?.DoNotColor == true)
        {
            Hue = 0;
        }

        if (craftItem.Resources.Count > 1)
        {
            resourceType = craftItem.Resources[1].ItemType;

            if (resourceType == typeof(StarSapphire))
            {
                GemType = GemType.StarSapphire;
            }
            else if (resourceType == typeof(Emerald))
            {
                GemType = GemType.Emerald;
            }
            else if (resourceType == typeof(Sapphire))
            {
                GemType = GemType.Sapphire;
            }
            else if (resourceType == typeof(Ruby))
            {
                GemType = GemType.Ruby;
            }
            else if (resourceType == typeof(Citrine))
            {
                GemType = GemType.Citrine;
            }
            else if (resourceType == typeof(Amethyst))
            {
                GemType = GemType.Amethyst;
            }
            else if (resourceType == typeof(Tourmaline))
            {
                GemType = GemType.Tourmaline;
            }
            else if (resourceType == typeof(Amber))
            {
                GemType = GemType.Amber;
            }
            else if (resourceType == typeof(Diamond))
            {
                GemType = GemType.Diamond;
            }
        }

        // T2A jewelry: read gem info from craft context (set by GemSelectTarget).
        // The entire targeted gem stack is consumed and the piece is named by that
        // count (e.g. "a 1000 diamond ring").
        if (context is { PendingGemType: not GemType.None, PendingGemCount: > 0 })
        {
            var gemItemType = GetGemItemType(context.PendingGemType);
            var gemCount = context.PendingGemCount;

            if (gemItemType != null && from.Backpack?.ConsumeTotal(gemItemType, gemCount) == true)
            {
                GemType = context.PendingGemType;
                GemCount = gemCount;
            }
            else
            {
                // Gems were no longer available (or unknown type): craft a plain piece
                // rather than naming it for gems that were never consumed.
                from.SendAsciiMessage("You lack the gemstones to set into this piece.");
            }

            context.PendingGemType = GemType.None;
            context.PendingGemCount = 0;
        }

        return 1;
    }

    public override void OnSingleClick(Mobile from)
    {
        if (!Core.UOTD)
        {
            OnSingleClickPreUOTD(from);
            return;
        }

        base.OnSingleClick(from);
    }

    public virtual void OnSingleClickPreUOTD(Mobile from)
    {
        var plural = _gemCount > 1;
        string name;
        if (this is WeddingRing)
        {
            name = $"a {Name}";
        }
        else
        {
            name = Name;

            if (name == null)
            {
                var articleAnName = (TileData.ItemTable[ItemID].Flags & TileFlag.ArticleAn) != 0;
                name = $"{(articleAnName ? "an" : "a")} {Localization.GetText(LabelNumber).ToLowerInvariant()}";
            }
        }

        if (_gemType != GemType.None && _gemCount > 0)
        {
            var gemName = GetGemName(_gemType, plural);
            LabelTo(from, plural
                ? $"{name} with {_gemCount} {gemName}"
                : $"{name} with {gemName}");
        }
        else
        {
            LabelTo(from, name);
        }
    }


    private static string GetGemName(GemType type, bool plural = false) => type switch
    {
        GemType.StarSapphire when plural => "star sapphires",
        GemType.StarSapphire             => "a star sapphire",
        GemType.Emerald      when plural => "emeralds",
        GemType.Emerald                  => "an emerald",
        GemType.Sapphire     when plural => "sapphires",
        GemType.Sapphire                 => "a sapphire",
        GemType.Ruby         when plural => "rubies",
        GemType.Ruby                     => "a ruby",
        GemType.Citrine      when plural => "citrines",
        GemType.Citrine                  => "a citrine",
        GemType.Amethyst     when plural => "amethysts",
        GemType.Amethyst                 => "an amethyst",
        GemType.Tourmaline   when plural => "tourmalines",
        GemType.Tourmaline               => "a tourmaline",
        GemType.Amber        when plural => "ambers",
        GemType.Amber                    => "an amber",
        GemType.Diamond      when plural => "diamonds",
        GemType.Diamond                  => "a diamond",
        _                    when plural => "gems",
        _                                => "a gem"
    };

    internal static GemType GetGemType(Item item) => item switch
    {
        StarSapphire => GemType.StarSapphire,
        Emerald      => GemType.Emerald,
        Sapphire     => GemType.Sapphire,
        Ruby         => GemType.Ruby,
        Citrine      => GemType.Citrine,
        Amethyst     => GemType.Amethyst,
        Tourmaline   => GemType.Tourmaline,
        Amber        => GemType.Amber,
        Diamond      => GemType.Diamond,
        _            => GemType.None
    };

    internal static Type GetGemItemType(GemType type) => type switch
    {
        GemType.StarSapphire => typeof(StarSapphire),
        GemType.Emerald      => typeof(Emerald),
        GemType.Sapphire     => typeof(Sapphire),
        GemType.Ruby         => typeof(Ruby),
        GemType.Citrine      => typeof(Citrine),
        GemType.Amethyst     => typeof(Amethyst),
        GemType.Tourmaline   => typeof(Tourmaline),
        GemType.Amber        => typeof(Amber),
        GemType.Diamond      => typeof(Diamond),
        _                    => null
    };

    public override void OnAfterDuped(Item newItem)
    {
        if (newItem is not BaseJewel jewel)
        {
            return;
        }

        jewel.Attributes = new AosAttributes(newItem, Attributes);
        jewel.Resistances = new AosElementAttributes(newItem, Resistances);
        jewel.SkillBonuses = new AosSkillBonuses(newItem, SkillBonuses);

        // Set hue again because of resource
        jewel.Hue = Hue;
    }

    public override void OnAdded(IEntity parent)
    {
        if (Core.AOS && parent is Mobile from)
        {
            SkillBonuses.AddTo(from);

            var strBonus = Attributes.BonusStr;
            var dexBonus = Attributes.BonusDex;
            var intBonus = Attributes.BonusInt;

            if (strBonus != 0 || dexBonus != 0 || intBonus != 0)
            {
                var serial = Serial;

                if (strBonus != 0)
                {
                    from.AddStatMod(new StatMod(StatType.Str, $"{serial}Str", strBonus, TimeSpan.Zero));
                }

                if (dexBonus != 0)
                {
                    from.AddStatMod(new StatMod(StatType.Dex, $"{serial}Dex", dexBonus, TimeSpan.Zero));
                }

                if (intBonus != 0)
                {
                    from.AddStatMod(new StatMod(StatType.Int, $"{serial}Int", intBonus, TimeSpan.Zero));
                }
            }

            from.CheckStatTimers();
        }
    }

    public override void OnRemoved(IEntity parent)
    {
        if (Core.AOS && parent is Mobile from)
        {
            SkillBonuses.Remove();

            var serial = Serial;

            from.RemoveStatMod($"{serial}Str");
            from.RemoveStatMod($"{serial}Dex");
            from.RemoveStatMod($"{serial}Int");

            from.CheckStatTimers();
        }
    }

    public override void GetProperties(IPropertyList list)
    {
        base.GetProperties(list);

        SkillBonuses.GetProperties(list);

        int prop;

        if ((prop = ArtifactRarity) > 0)
        {
            list.Add(1061078, prop); // artifact rarity ~1_val~
        }

        Attributes.GetProperties(list);

        AddResistanceProperties(list);

        if (_hitPoints >= 0 && _maxHitPoints > 0)
        {
            list.Add(1060639, $"{_hitPoints}\t{_maxHitPoints}"); // durability ~1_val~ / ~2_val~
        }
    }

    private void Deserialize(IGenericReader reader, int version)
    {
        _maxHitPoints = reader.ReadEncodedInt();
        _hitPoints = reader.ReadEncodedInt();
        _resource = (CraftResource)reader.ReadEncodedInt();
        _gemType = (GemType)reader.ReadEncodedInt();
        _attributes = new AosAttributes(this);
        _attributes.Deserialize(reader);
        _resistances = new AosElementAttributes(this);
        _resistances.Deserialize(reader);
        _skillBonuses = new AosSkillBonuses(this);
        _skillBonuses.Deserialize(reader);
    }

    private void MigrateFrom(V4Content content)
    {
        _maxHitPoints = content.MaxHitPoints;
        _hitPoints = content.HitPoints;
        _resource = content.Resource;
        _gemType = content.GemType;
        _attributes = content.Attributes;
        _resistances = content.Resistances;
        _skillBonuses = content.SkillBonuses;
        // _gemCount defaults to 0
    }

    [AfterDeserialization]
    private void AfterDeserialization()
    {
        var m = Parent as Mobile;

        if (Core.AOS && m != null)
        {
            SkillBonuses.AddTo(m);
        }

        var strBonus = Attributes.BonusStr;
        var dexBonus = Attributes.BonusDex;
        var intBonus = Attributes.BonusInt;

        if (m != null && (strBonus != 0 || dexBonus != 0 || intBonus != 0))
        {
            var serial = Serial;

            if (strBonus != 0)
            {
                m.AddStatMod(new StatMod(StatType.Str, $"{serial}Str", strBonus, TimeSpan.Zero));
            }

            if (dexBonus != 0)
            {
                m.AddStatMod(new StatMod(StatType.Dex, $"{serial}Dex", dexBonus, TimeSpan.Zero));
            }

            if (intBonus != 0)
            {
                m.AddStatMod(new StatMod(StatType.Int, $"{serial}Int", intBonus, TimeSpan.Zero));
            }
        }

        m?.CheckStatTimers();
    }
}