using System.Collections.Generic;
using LLib.GameData;
using Questionable.Data;
using Questionable.Model;
using Questionable.Model.Questing;

namespace Questionable.Validation.Validators;

internal sealed class ClassQuestShouldHaveShortcutValidator : IQuestValidator
{
	private readonly HashSet<ElementId> _classJobQuests = new HashSet<ElementId>();

	public ClassQuestShouldHaveShortcutValidator(QuestData questData)
	{
		foreach (EClassJob enumValue in typeof(EClassJob).GetEnumValues())
		{
			if (enumValue == EClassJob.Adventurer)
			{
				continue;
			}
			foreach (QuestInfo classJobQuest in questData.GetClassJobQuests(enumValue))
			{
				if (classJobQuest.Level > 1)
				{
					_classJobQuests.Add(classJobQuest.QuestId);
				}
			}
		}
	}

	public IEnumerable<ValidationIssue> Validate(Quest quest)
	{
		if (_classJobQuests.Contains(quest.Id))
		{
			QuestStep questStep = quest.FindSequence(0)?.FindStep(0);
			if (questStep != null && !questStep.IsTeleportableForPriorityQuests())
			{
				yield return new ValidationIssue
				{
					ElementId = quest.Id,
					Sequence = 0,
					Step = 0,
					Type = EIssueType.ClassQuestWithoutAetheryteShortcut,
					Severity = EIssueSeverity.Error,
					Description = "Class quest should have an aetheryte shortcut to be done automatically"
				};
			}
		}
	}
}