using System;
using System.Collections.Generic;
using System.Linq;
using Dalamud.Game.ClientState.Objects.SubKinds;
using Dalamud.Plugin.Services;
using FFXIVClientStructs.FFXIV.Client.Game;
using Lumina.Excel;
using Lumina.Excel.Sheets;
using QuestionableCompanion.Data;

namespace QuestionableCompanion.Services;

public class MSQProgressionService
{
	private readonly IDataManager dataManager;

	private readonly IPluginLog log;

	private readonly QuestDetectionService questDetectionService;

	private readonly IObjectTable objectTable;

	private readonly IFramework framework;

	private List<Quest>? mainScenarioQuests;

	private Dictionary<uint, string> questNameCache = new Dictionary<uint, string>();

	private Dictionary<string, List<Quest>> questsByExpansion = new Dictionary<string, List<Quest>>();

	private static readonly uint[] MSQ_JOURNAL_GENRE_IDS = new uint[14]
	{
		1u, 2u, 3u, 4u, 5u, 6u, 7u, 8u, 9u, 10u,
		11u, 12u, 13u, 14u
	};

	private const uint LAST_ARR_QUEST_ID = 65964u;

	private static readonly Dictionary<uint, MSQExpansionData.Expansion> JournalGenreToExpansion = new Dictionary<uint, MSQExpansionData.Expansion>
	{
		{
			1u,
			MSQExpansionData.Expansion.ARealmReborn
		},
		{
			2u,
			MSQExpansionData.Expansion.ARealmReborn
		},
		{
			3u,
			MSQExpansionData.Expansion.Heavensward
		},
		{
			4u,
			MSQExpansionData.Expansion.Heavensward
		},
		{
			5u,
			MSQExpansionData.Expansion.Heavensward
		},
		{
			6u,
			MSQExpansionData.Expansion.Stormblood
		},
		{
			7u,
			MSQExpansionData.Expansion.Stormblood
		},
		{
			8u,
			MSQExpansionData.Expansion.Shadowbringers
		},
		{
			9u,
			MSQExpansionData.Expansion.Shadowbringers
		},
		{
			10u,
			MSQExpansionData.Expansion.Shadowbringers
		},
		{
			11u,
			MSQExpansionData.Expansion.Endwalker
		},
		{
			12u,
			MSQExpansionData.Expansion.Endwalker
		},
		{
			13u,
			MSQExpansionData.Expansion.Dawntrail
		},
		{
			14u,
			MSQExpansionData.Expansion.Dawntrail
		}
	};

	public MSQProgressionService(IDataManager dataManager, IPluginLog log, QuestDetectionService questDetectionService, IObjectTable objectTable, IFramework framework)
	{
		this.dataManager = dataManager;
		this.log = log;
		this.questDetectionService = questDetectionService;
		this.objectTable = objectTable;
		this.framework = framework;
		InitializeMSQData();
		framework.RunOnTick(delegate
		{
			DebugCurrentCharacterQuest();
		}, default(TimeSpan), 60);
	}

	private void InitializeMSQData()
	{
		try
		{
			ExcelSheet<Quest> questSheet = dataManager.GetExcelSheet<Quest>();
			if (questSheet == null)
			{
				return;
			}
			questSheet.Count();
			int manualCount = 0;
			foreach (Quest item in questSheet)
			{
				_ = item;
				manualCount++;
			}
			List<Quest> highIdQuests = questSheet.Where((Quest q) => q.RowId > 66000).ToList();
			if (highIdQuests.Count > 0)
			{
				highIdQuests.First();
			}
			foreach (IGrouping<uint, Quest> item2 in (from q in questSheet
				where q.RowId != 0
				group q by q.JournalGenre.RowId into g
				orderby g.Key
				select g).Take(10))
			{
				_ = item2;
			}
			mainScenarioQuests = (from q in questSheet
				where ((ReadOnlySpan<uint>)MSQ_JOURNAL_GENRE_IDS).Contains(q.JournalGenre.RowId)
				orderby q.RowId
				select q).ToList();
			if (mainScenarioQuests.Count == 0)
			{
				return;
			}
			foreach (Quest quest in mainScenarioQuests.Take(20))
			{
				try
				{
					quest.Expansion.Value.Name.ToString();
				}
				catch (Exception)
				{
				}
			}
			foreach (IGrouping<uint, Quest> group in from q in mainScenarioQuests
				group q by q.JournalGenre.RowId into g
				orderby g.Key
				select g)
			{
				uint genreId = group.Key;
				JournalGenreToExpansion.GetValueOrDefault(genreId, MSQExpansionData.Expansion.ARealmReborn);
				group.First().JournalGenre.Value.Name.ToString();
				string.Join(", ", from q in @group.Take(3)
					select q.RowId);
			}
			foreach (IGrouping<MSQExpansionData.Expansion, Quest> item3 in from q in mainScenarioQuests
				group q by JournalGenreToExpansion.GetValueOrDefault(q.JournalGenre.RowId, MSQExpansionData.Expansion.ARealmReborn) into g
				orderby g.Key
				select g)
			{
				_ = item3;
			}
			MSQExpansionData.ClearQuests();
			foreach (Quest quest2 in mainScenarioQuests)
			{
				string name = quest2.Name.ToString();
				if (!string.IsNullOrEmpty(name))
				{
					questNameCache[quest2.RowId] = name;
				}
				MSQExpansionData.Expansion expansion = JournalGenreToExpansion.GetValueOrDefault(quest2.JournalGenre.RowId, MSQExpansionData.Expansion.ARealmReborn);
				if (quest2.JournalGenre.RowId != 2 || quest2.RowId <= 65964)
				{
					MSQExpansionData.RegisterQuest(quest2.RowId, expansion);
					string shortName = MSQExpansionData.GetExpansionShortName(expansion);
					if (!questsByExpansion.ContainsKey(shortName))
					{
						questsByExpansion[shortName] = new List<Quest>();
					}
					questsByExpansion[shortName].Add(quest2);
				}
			}
			foreach (MSQExpansionData.Expansion allExpansion in MSQExpansionData.GetAllExpansions())
			{
				string shortName2 = MSQExpansionData.GetExpansionShortName(allExpansion);
				List<Quest> quests = questsByExpansion.GetValueOrDefault(shortName2);
				if ((quests?.Count ?? 0) > 0 && quests != null)
				{
					string.Join(", ", from q in quests.Take(5)
						select q.RowId);
				}
			}
		}
		catch (Exception)
		{
		}
	}

	public (uint questId, string questName) GetLastCompletedMSQ(string characterName)
	{
		if (mainScenarioQuests == null || mainScenarioQuests.Count == 0)
		{
			return (questId: 0u, questName: "—");
		}
		try
		{
			List<uint> completedQuests = questDetectionService.GetAllCompletedQuestIds();
			Quest lastMSQ = (from q in mainScenarioQuests
				where completedQuests.Contains(q.RowId)
				orderby q.RowId descending
				select q).FirstOrDefault();
			if (lastMSQ.RowId != 0)
			{
				string questName = questNameCache.GetValueOrDefault(lastMSQ.RowId, "Unknown Quest");
				return (questId: lastMSQ.RowId, questName: questName);
			}
		}
		catch (Exception)
		{
		}
		return (questId: 0u, questName: "—");
	}

	public float GetMSQCompletionPercentage()
	{
		if (mainScenarioQuests == null || mainScenarioQuests.Count == 0)
		{
			return 0f;
		}
		try
		{
			List<uint> completedQuests = questDetectionService.GetAllCompletedQuestIds();
			return (float)mainScenarioQuests.Count((Quest q) => completedQuests.Contains(q.RowId)) / (float)mainScenarioQuests.Count * 100f;
		}
		catch (Exception)
		{
			return 0f;
		}
	}

	public int GetTotalMSQCount()
	{
		return mainScenarioQuests?.Count ?? 0;
	}

	public int GetCompletedMSQCount()
	{
		if (mainScenarioQuests == null || mainScenarioQuests.Count == 0)
		{
			return 0;
		}
		try
		{
			List<uint> completedQuests = questDetectionService.GetAllCompletedQuestIds();
			return mainScenarioQuests.Count((Quest q) => completedQuests.Contains(q.RowId));
		}
		catch (Exception)
		{
			return 0;
		}
	}

	public string GetQuestName(uint questId)
	{
		return questNameCache.GetValueOrDefault(questId, "Unknown Quest");
	}

	public bool IsMSQ(uint questId)
	{
		return mainScenarioQuests?.Any((Quest q) => q.RowId == questId) ?? false;
	}

	public ExpansionInfo? GetExpansionForQuest(uint questId)
	{
		MSQExpansionData.Expansion expansion = MSQExpansionData.GetExpansionForQuest(questId);
		return new ExpansionInfo
		{
			Name = MSQExpansionData.GetExpansionName(expansion),
			ShortName = MSQExpansionData.GetExpansionShortName(expansion),
			MinQuestId = 0u,
			MaxQuestId = 0u,
			ExpectedQuestCount = MSQExpansionData.GetExpectedQuestCount(expansion)
		};
	}

	public List<ExpansionInfo> GetExpansions()
	{
		return (from exp in MSQExpansionData.GetAllExpansions()
			select new ExpansionInfo
			{
				Name = MSQExpansionData.GetExpansionName(exp),
				ShortName = MSQExpansionData.GetExpansionShortName(exp),
				MinQuestId = 0u,
				MaxQuestId = 0u,
				ExpectedQuestCount = MSQExpansionData.GetExpectedQuestCount(exp)
			}).ToList();
	}

	public (int completed, int total) GetExpansionProgress(string expansionShortName)
	{
		List<uint> completedQuests = questDetectionService.GetAllCompletedQuestIds();
		List<Quest>? obj = questsByExpansion.GetValueOrDefault(expansionShortName) ?? new List<Quest>();
		int completed = obj.Count((Quest q) => completedQuests.Contains(q.RowId));
		int total = obj.Count;
		return (completed: completed, total: total);
	}

	public ExpansionInfo? GetCurrentExpansion()
	{
		try
		{
			List<uint> completedQuests = questDetectionService.GetAllCompletedQuestIds();
			(MSQExpansionData.Expansion expansion, string debugInfo) currentExpansionFromGameWithDebug = MSQExpansionData.GetCurrentExpansionFromGameWithDebug();
			MSQExpansionData.Expansion gameExpansion = currentExpansionFromGameWithDebug.expansion;
			string[] array = currentExpansionFromGameWithDebug.debugInfo.Split('\n');
			for (int i = 0; i < array.Length; i++)
			{
				string.IsNullOrWhiteSpace(array[i]);
			}
			MSQExpansionData.Expansion analysisExpansion = MSQExpansionData.GetCurrentExpansion(completedQuests);
			array = MSQExpansionData.GetExpansionDetectionDebugInfo(completedQuests).Split('\n');
			for (int i = 0; i < array.Length; i++)
			{
				string.IsNullOrWhiteSpace(array[i]);
			}
			MSQExpansionData.Expansion finalExpansion = gameExpansion;
			if (gameExpansion == MSQExpansionData.Expansion.ARealmReborn && analysisExpansion != MSQExpansionData.Expansion.ARealmReborn)
			{
				finalExpansion = analysisExpansion;
			}
			return new ExpansionInfo
			{
				Name = MSQExpansionData.GetExpansionName(finalExpansion),
				ShortName = MSQExpansionData.GetExpansionShortName(finalExpansion),
				MinQuestId = 0u,
				MaxQuestId = 0u,
				ExpectedQuestCount = MSQExpansionData.GetExpectedQuestCount(finalExpansion)
			};
		}
		catch (Exception)
		{
			return GetExpansions().FirstOrDefault();
		}
	}

	public Dictionary<string, (int completed, int total)> GetExpansionProgressForCharacter(List<uint> completedQuestIds)
	{
		Dictionary<string, (int, int)> result = new Dictionary<string, (int, int)>();
		foreach (ExpansionInfo exp in GetExpansions())
		{
			List<Quest> expansionQuests = questsByExpansion.GetValueOrDefault(exp.ShortName) ?? new List<Quest>();
			int completed = expansionQuests.Count((Quest q) => completedQuestIds.Contains(q.RowId));
			result[exp.ShortName] = (completed, expansionQuests.Count);
		}
		return result;
	}

	public List<Quest> GetAllMSQQuests()
	{
		return mainScenarioQuests ?? new List<Quest>();
	}

	public Dictionary<string, ExpansionProgressInfo> GetExpansionProgress()
	{
		Dictionary<string, ExpansionProgressInfo> result = new Dictionary<string, ExpansionProgressInfo>();
		List<uint> completedQuests = questDetectionService.GetAllCompletedQuestIds();
		foreach (MSQExpansionData.Expansion expansion in MSQExpansionData.GetAllExpansions())
		{
			ExpansionProgress progress = MSQExpansionData.GetExpansionProgress(completedQuests, expansion);
			result[progress.ExpansionName] = new ExpansionProgressInfo
			{
				ExpansionName = progress.ExpansionName,
				ShortName = progress.ExpansionShortName,
				TotalQuests = progress.ExpectedCount,
				CompletedQuests = progress.CompletedCount,
				Percentage = progress.Percentage
			};
		}
		return result;
	}

	public Dictionary<string, ExpansionProgressInfo> GetExpansionProgressForCharacter(List<string> completedQuestIds)
	{
		Dictionary<string, ExpansionProgressInfo> result = new Dictionary<string, ExpansionProgressInfo>();
		uint result2;
		List<uint> completedQuestIdsUint = (from id in completedQuestIds
			select uint.TryParse(id, out result2) ? result2 : 0u into id
			where id != 0
			select id).ToList();
		foreach (MSQExpansionData.Expansion expansion in MSQExpansionData.GetAllExpansions())
		{
			ExpansionProgress progress = MSQExpansionData.GetExpansionProgress(completedQuestIdsUint, expansion);
			result[progress.ExpansionName] = new ExpansionProgressInfo
			{
				ExpansionName = progress.ExpansionName,
				ShortName = progress.ExpansionShortName,
				TotalQuests = progress.ExpectedCount,
				CompletedQuests = progress.CompletedCount,
				Percentage = progress.Percentage
			};
		}
		return result;
	}

	public ExpansionInfo? GetCurrentExpansion(uint lastCompletedQuestId)
	{
		MSQExpansionData.Expansion expansion = MSQExpansionData.GetExpansionForQuest(lastCompletedQuestId);
		return new ExpansionInfo
		{
			Name = MSQExpansionData.GetExpansionName(expansion),
			ShortName = MSQExpansionData.GetExpansionShortName(expansion),
			MinQuestId = 0u,
			MaxQuestId = 0u,
			ExpectedQuestCount = MSQExpansionData.GetExpectedQuestCount(expansion)
		};
	}

	private MSQExpansionData.Expansion ConvertLuminaExpansionToOurs(uint luminaExpansionId)
	{
		return luminaExpansionId switch
		{
			0u => MSQExpansionData.Expansion.ARealmReborn, 
			1u => MSQExpansionData.Expansion.Heavensward, 
			2u => MSQExpansionData.Expansion.Stormblood, 
			3u => MSQExpansionData.Expansion.Shadowbringers, 
			4u => MSQExpansionData.Expansion.Endwalker, 
			5u => MSQExpansionData.Expansion.Dawntrail, 
			_ => MSQExpansionData.Expansion.ARealmReborn, 
		};
	}

	public void DebugCurrentCharacterQuest()
	{
		try
		{
			IPlayerCharacter player = objectTable.LocalPlayer;
			if (player == null)
			{
				framework.RunOnTick(delegate
				{
					DebugCurrentCharacterQuest();
				}, default(TimeSpan), 60);
				return;
			}
			_ = player.Name.TextValue;
			player.HomeWorld.Value.Name.ToString();
			ExcelSheet<Quest> questSheet = dataManager.GetExcelSheet<Quest>();
			if (questSheet == null)
			{
				return;
			}
			List<Quest> completedMSQQuests = new List<Quest>();
			foreach (Quest quest in questSheet)
			{
				if (((ReadOnlySpan<uint>)MSQ_JOURNAL_GENRE_IDS).Contains(quest.JournalGenre.RowId) && QuestManager.IsQuestComplete((ushort)quest.RowId))
				{
					completedMSQQuests.Add(quest);
				}
			}
			if (completedMSQQuests.Count == 0)
			{
				return;
			}
			Quest questData = completedMSQQuests.OrderByDescending((Quest q) => q.RowId).First();
			try
			{
				questData.JournalGenre.Value.Name.ToString();
			}
			catch
			{
			}
			try
			{
				questData.Expansion.Value.Name.ToString();
			}
			catch
			{
			}
			foreach (Quest item in completedMSQQuests.OrderByDescending((Quest q) => q.RowId).Take(10).ToList())
			{
				_ = item;
			}
			foreach (IGrouping<MSQExpansionData.Expansion, Quest> item2 in from q in completedMSQQuests
				group q by JournalGenreToExpansion.GetValueOrDefault(q.JournalGenre.RowId, MSQExpansionData.Expansion.ARealmReborn) into g
				orderby g.Key
				select g)
			{
				_ = item2;
			}
		}
		catch (Exception)
		{
		}
	}
}