using SoulHarvest.Common;
using SoulHarvest.Items;
using SoulHarvest.Tiles;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using System;
using System.Collections.Generic;
using Terraria;
using Terraria.Audio;
using Terraria.GameContent;
using Terraria.GameContent.UI.Elements;
using Terraria.ID;
using Terraria.Localization;
using Terraria.ModLoader;
using Terraria.UI;

namespace SoulHarvest.UI;

internal sealed class AltarItemSelector : UIElement
{
    private readonly DeathAltarUIState owner;
    private readonly AltarEquipmentEntry entry;
    private readonly Item item;
    private readonly bool selected;
    private readonly float layoutScale;

    public AltarItemSelector(DeathAltarUIState owner, AltarEquipmentEntry entry, Item item, bool selected, float layoutScale)
    {
        this.owner = owner;
        this.entry = entry;
        this.item = item.Clone();
        this.selected = selected;
        this.layoutScale = layoutScale;
        Width.Set(0f, 1f);
        Height.Set(58f * layoutScale, 0f);
    }

    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        Rectangle bounds = GetDimensions().ToRectangle();
        Texture2D pixel = TextureAssets.MagicPixel.Value;
        Color accent = entry.IsCharacterSickle
            ? new Color(194, 48, 61)
            : entry.IsCharacterDeathDomain
                ? new Color(90, 185, 205)
                : new Color(153, 64, 70);
        Color background = selected ? new Color(65, 30, 34) : IsMouseHovering ? new Color(43, 31, 34) : new Color(23, 21, 24);
        Color border = selected ? accent : new Color(77, 55, 58);
        spriteBatch.Draw(pixel, bounds, background * 0.95f);
        int borderThickness = Math.Max(1, (int)MathF.Round((selected ? 2f : 1f) * layoutScale));
        AltarDrawHelpers.DrawBorder(spriteBatch, pixel, bounds, border, borderThickness);
        if (selected)
            spriteBatch.Draw(pixel, new Rectangle(bounds.X, bounds.Y + borderThickness, Math.Max(2, (int)MathF.Round(4f * layoutScale)), bounds.Height - borderThickness * 2), accent);

        Vector2 iconCenter = new(bounds.X + 28f * layoutScale, bounds.Center.Y);
        AltarDrawHelpers.DrawItemSlot(spriteBatch, pixel, iconCenter, 42f * layoutScale, new Color(31, 25, 28), selected ? accent : new Color(76, 55, 58));
        if (entry.IsCharacterDeathDomain)
        {
            int iconSize = Math.Max(1, (int)MathF.Round(32f * layoutScale));
            DeathDomainBackdropTextureSystem.DrawUiIcon(
                spriteBatch,
                new Rectangle(
                    (int)MathF.Round(iconCenter.X - iconSize * 0.5f),
                    (int)MathF.Round(iconCenter.Y - iconSize * 0.5f),
                    iconSize,
                    iconSize),
                Main.MouseScreen);
        }
        else
        {
            AltarDrawHelpers.DrawItemIcon(spriteBatch, item, iconCenter, 34f * layoutScale);
        }
        string location = entry.IsCharacterProgression
            ? Language.GetTextValue("Mods.SoulHarvest.UI.CharacterBoundLocation")
            : Language.GetTextValue(entry.ItemReference?.Storage == DeathAltarItemStorage.Inventory
                ? "Mods.SoulHarvest.UI.InventoryLocation"
                : "Mods.SoulHarvest.UI.EquipmentLocation");
        float nameScale = 0.74f * layoutScale;
        string visibleName = AltarDrawHelpers.FitText(item.Name, Math.Max(20f, bounds.Width - 62f * layoutScale), nameScale);
        Utils.DrawBorderString(spriteBatch, visibleName, new Vector2(bounds.X + 55f * layoutScale, bounds.Y + 8f * layoutScale), Color.White, nameScale);
        Utils.DrawBorderString(spriteBatch, location, new Vector2(bounds.X + 55f * layoutScale, bounds.Y + 32f * layoutScale), selected ? new Color(226, 128, 134) : new Color(164, 139, 140), 0.6f * layoutScale);

        if (IsMouseHovering && visibleName != item.Name)
            Main.instance.MouseText($"{item.Name}\n{location}");
    }

    public override void LeftClick(UIMouseEvent evt)
    {
        base.LeftClick(evt);
        owner.SelectEquipment(entry);
    }
}