using System.Collections.Generic;
using System.Linq;
using Dalamud.Plugin.Services;
using QuestionableCompanion.Models;

namespace QuestionableCompanion.Services;

public class AlliedSocietyQuestSelector
{
	private readonly QuestionableIPC questionableIpc;

	private readonly IPluginLog log;

	public AlliedSocietyQuestSelector(QuestionableIPC questionableIpc, IPluginLog log)
	{
		this.questionableIpc = questionableIpc;
		this.log = log;
	}

	public List<string> SelectQuestsForCharacter(string characterId, int remainingAllowances, List<AlliedSocietyPriority> priorities, AlliedSocietyQuestMode mode)
	{
		List<string> selectedQuests = new List<string>();
		int currentAllowances = remainingAllowances;
		List<AlliedSocietyPriority> list = (from p in priorities
			where p.Enabled
			orderby p.Order
			select p).ToList();
		log.Debug($"[AlliedSociety] Selecting quests for {characterId}. Allowances: {remainingAllowances}, Mode: {mode}");
		foreach (AlliedSocietyPriority priority in list)
		{
			if (currentAllowances <= 0)
			{
				log.Debug("[AlliedSociety] No allowances left, stopping selection");
				break;
			}
			byte societyId = priority.SocietyId;
			List<string> optimalQuests = questionableIpc.GetAlliedSocietyOptimalQuests(societyId);
			if (optimalQuests.Count == 0)
			{
				continue;
			}
			List<string> readyQuests = new List<string>();
			foreach (string questId in optimalQuests)
			{
				if (questionableIpc.IsReadyToAcceptQuest(questId))
				{
					readyQuests.Add(questId);
				}
			}
			if (readyQuests.Count == 0)
			{
				continue;
			}
			if (mode == AlliedSocietyQuestMode.OnlyThreePerSociety)
			{
				List<string> questsToTake = readyQuests;
				if (questsToTake.Count > 3)
				{
					questsToTake = questsToTake.Skip(questsToTake.Count - 3).Take(3).ToList();
				}
				foreach (string questId2 in questsToTake)
				{
					if (currentAllowances > 0)
					{
						selectedQuests.Add(questId2);
						currentAllowances--;
						continue;
					}
					break;
				}
				continue;
			}
			foreach (string questId3 in readyQuests)
			{
				if (currentAllowances > 0)
				{
					selectedQuests.Add(questId3);
					currentAllowances--;
					continue;
				}
				break;
			}
		}
		log.Information($"[AlliedSociety] Selected {selectedQuests.Count} quests for {characterId}");
		return selectedQuests;
	}
}