using System.Collections.Generic;
using System.Globalization;
using Dalamud.Bindings.ImGui;
using Dalamud.Plugin.Services;
using Questionable.Data;
using Questionable.Model.Questing;

namespace Questionable.Windows.QuestComponents;

internal sealed class GameSequenceChainComponent
{
	private readonly IDataManager _dataManager;

	private readonly Dictionary<uint, List<int>> _cache = new Dictionary<uint, List<int>>();

	public GameSequenceChainComponent(IDataManager dataManager)
	{
		_dataManager = dataManager;
	}

	public List<int> GetSequences(QuestId questId)
	{
		if (!_cache.TryGetValue(questId.Value, out List<int> value))
		{
			value = GameQuestSequences.GetCompletionSequences(_dataManager, questId);
			_cache[questId.Value] = value;
		}
		return value;
	}

	public void Draw(QuestId questId, byte currentSequence)
	{
		List<int> sequences = GetSequences(questId);
		if (sequences.Count == 0)
		{
			ImGui.TextColored(in UiThemeUtils.MutedTextColor, "No sequence data");
			return;
		}
		for (int i = 0; i < sequences.Count; i++)
		{
			if (i > 0)
			{
				ImGui.SameLine(0f, 4f);
				ImGui.TextColored(in UiThemeUtils.MutedTextColor, "›");
				ImGui.SameLine(0f, 4f);
			}
			int num = sequences[i];
			if (num == currentSequence)
			{
				ImU8String text = new ImU8String(2, 1);
				text.AppendLiteral("[");
				text.AppendFormatted(num);
				text.AppendLiteral("]");
				ImGui.TextColored(in UiThemeUtils.StatusActive, text);
			}
			else
			{
				ImGui.TextColored(in UiThemeUtils.DimTextColor, num.ToString(CultureInfo.InvariantCulture));
			}
		}
		int num2 = sequences.IndexOf(currentSequence);
		ImGui.SameLine(0f, 8f);
		if (currentSequence == byte.MaxValue)
		{
			ImGui.TextColored(in UiThemeUtils.StatusComplete, "(ready to turn in)");
		}
		else if (num2 >= 0)
		{
			ImU8String text2 = new ImU8String(3, 2);
			text2.AppendLiteral("(");
			text2.AppendFormatted(num2 + 1);
			text2.AppendLiteral("/");
			text2.AppendFormatted(sequences.Count);
			text2.AppendLiteral(")");
			ImGui.TextColored(in UiThemeUtils.MutedTextColor, text2);
		}
		else
		{
			ImU8String text3 = new ImU8String(19, 1);
			text3.AppendLiteral("(at ");
			text3.AppendFormatted(currentSequence);
			text3.AppendLiteral(", not in chain)");
			ImGui.TextColored(in UiThemeUtils.StatusUnobtainable, text3);
		}
	}
}