using System.Diagnostics.CodeAnalysis;
using System.Linq;
using Content.Client.Chemistry.EntitySystems;
using Content.Client.Guidebook.Richtext;
using Content.Client.Message;
using Content.Shared.Chemistry.Reaction;
using Content.Shared.Chemistry.Reagent;
using JetBrains.Annotations;
using Robust.Client.AutoGenerated;
using Robust.Client.Graphics;
using Robust.Client.UserInterface;
using Robust.Client.UserInterface.Controls;
using Robust.Client.UserInterface.XAML;
using Robust.Shared.Prototypes;
using Robust.Shared.Utility;

namespace Content.Client.Guidebook.Controls;

/// <summary>
///     Control for embedding a reagent into a guidebook.
/// </summary>
[UsedImplicitly, GenerateTypedNameReferences]
public sealed partial class GuideReagentEmbed : BoxContainer, IDocumentTag
{
    [Dependency] private readonly IEntitySystemManager _systemManager = default!;
    [Dependency] private readonly IPrototypeManager _prototype = default!;

    private readonly ChemistryGuideDataSystem _chemistryGuideData;

    public GuideReagentEmbed()
    {
        RobustXamlLoader.Load(this);
        IoCManager.InjectDependencies(this);
        _chemistryGuideData = _systemManager.GetEntitySystem<ChemistryGuideDataSystem>();
        MouseFilter = MouseFilterMode.Stop;
    }

    public GuideReagentEmbed(string reagent) : this()
    {
        GenerateControl(_prototype.Index<ReagentPrototype>(reagent));
    }

    public GuideReagentEmbed(ReagentPrototype reagent) : this()
    {
        GenerateControl(reagent);
    }

    public bool TryParseTag(Dictionary<string, string> args, [NotNullWhen(true)] out Control? control)
    {
        control = null;
        if (!args.TryGetValue("Reagent", out var id))
        {
            Logger.Error("Reagent embed tag is missing reagent prototype argument");
            return false;
        }

        if (!_prototype.TryIndex<ReagentPrototype>(id, out var reagent))
        {
            Logger.Error($"Specified reagent prototype \"{id}\" is not a valid reagent prototype");
            return false;
        }

        GenerateControl(reagent);

        control = this;
        return true;
    }

    private void GenerateControl(ReagentPrototype reagent)
    {
        NameBackground.PanelOverride = new StyleBoxFlat
        {
            BackgroundColor = reagent.SubstanceColor
        };

        var textColor = Color.ToHsl(reagent.SubstanceColor).Z > 0.45
            ? Color.Black
            : Color.White;

        ReagentName.SetMarkup(Loc.GetString("guidebook-reagent-name",
            ("color", textColor), ("name", reagent.LocalizedName)));

        #region Recipe
        // by default, we assume that the reaction has the same ID as the reagent.
        // if this isn't true, we'll loop through reactions.
        if (!_prototype.TryIndex<ReactionPrototype>(reagent.ID, out var reactionPrototype))
        {
            reactionPrototype = _prototype.EnumeratePrototypes<ReactionPrototype>()
                .FirstOrDefault(p => p.Products.ContainsKey(reagent.ID));
        }

        if (reactionPrototype != null)
        {
            var reactantMsg = new FormattedMessage();
            var reactantsCount = reactionPrototype.Reactants.Count;
            var i = 0;
            foreach (var (product, reactant) in reactionPrototype.Reactants)
            {
                reactantMsg.AddMarkup(Loc.GetString("guidebook-reagent-recipes-reagent-display",
                    ("reagent", _prototype.Index<ReagentPrototype>(product).LocalizedName), ("ratio", reactant.Amount)));
                i++;
                if (i < reactantsCount)
                    reactantMsg.PushNewline();
            }
            reactantMsg.Pop();
            ReactantsLabel.SetMessage(reactantMsg);

            var productMsg = new FormattedMessage();
            var productCount = reactionPrototype.Products.Count;
            var u = 0;
            foreach (var (product, ratio) in reactionPrototype.Products)
            {
                productMsg.AddMarkup(Loc.GetString("guidebook-reagent-recipes-reagent-display",
                    ("reagent", _prototype.Index<ReagentPrototype>(product).LocalizedName), ("ratio", ratio)));
                u++;
                if (u < productCount)
                    productMsg.PushNewline();
            }
            productMsg.Pop();
            ProductsLabel.SetMessage(productMsg);
        }
        else
        {
            RecipesContainer.Visible = false;
        }
        #endregion

        #region Effects
        if (_chemistryGuideData.ReagentGuideRegistry.TryGetValue(reagent.ID, out var guideEntryRegistry) &&
            guideEntryRegistry.GuideEntries != null &&
            guideEntryRegistry.GuideEntries.Values.Any(pair => pair.EffectDescriptions.Any()))
        {
            EffectsDescriptionContainer.Children.Clear();
            foreach (var (group, effect) in guideEntryRegistry.GuideEntries)
            {
                if (!effect.EffectDescriptions.Any())
                    continue;

                var groupLabel = new RichTextLabel();
                groupLabel.SetMarkup(Loc.GetString("guidebook-reagent-effects-metabolism-group-rate",
                    ("group", group), ("rate", effect.MetabolismRate)));
                var descriptionLabel = new RichTextLabel
                {
                    Margin = new Thickness(25, 0, 10, 0)
                };

                var descMsg = new FormattedMessage();
                var descriptionsCount = effect.EffectDescriptions.Length;
                var i = 0;
                foreach (var effectString in effect.EffectDescriptions)
                {
                    descMsg.AddMarkup(effectString);
                    i++;
                    if (i < descriptionsCount)
                        descMsg.PushNewline();
                }
                descriptionLabel.SetMessage(descMsg);

                EffectsDescriptionContainer.AddChild(groupLabel);
                EffectsDescriptionContainer.AddChild(descriptionLabel);
            }
        }
        else
        {
            EffectsContainer.Visible = false;
        }
        #endregion

        FormattedMessage description = new();
        description.AddText(reagent.LocalizedDescription);
        description.PushNewline();
        description.AddText(Loc.GetString("guidebook-reagent-physical-description",
            ("description", reagent.LocalizedPhysicalDescription)));
        ReagentDescription.SetMessage(description);
    }
}