using System;
using Godot;

public partial class GameManager : Node
{
	public struct GameInfo
	{
		public ulong GameStart = 0;
		public ulong GameEnd = 0;
		public int Attempts = 0;
		public NodePath Checkpoint = new NodePath();

		public GameInfo(NodePath path)
		{
			SetCheckpoint(path);
		}

		public void SetCheckpoint(NodePath path)
		{
			GD.Print($"{path}");
			Checkpoint = path;
		}
	}

	public static bool IsPlaying = true;

	[Export] public PlayZone FirstZone;
	[Export] public Player Player;

	[Signal]
	public delegate void GameOverEventHandler();

	private static GameInfo _gameInfo;

	public override void _Ready()
	{
		if (!IsPlaying)
		{
			GD.Print("Restart stats");
			IsPlaying = true;
			_gameInfo = new GameInfo(GetPathTo(FirstZone.PlayerSpawnPoint));
		}

		StartGame();
	}

	public void StartGame()
	{
		_gameInfo.GameStart = Time.GetTicksMsec();
		Player.GlobalPosition = GetNode<Node2D>(_gameInfo.Checkpoint).GlobalPosition;
	}

	public void EndGame()
	{
		_gameInfo.GameEnd = Time.GetTicksMsec();

		Player.Invincible = true;
		Player.SetProcess(false);

		EmitSignal(SignalName.GameOver);
	}

	public string GetFormattedTimeElapsed() =>
		TimeSpan.FromMilliseconds(_gameInfo.GameEnd - _gameInfo.GameStart).ToString(@"hh\:mm\:ss\.fff");

	public void OnPlayerDied() => _gameInfo.Attempts++;

	public int GetAttempts() => _gameInfo.Attempts;

	public void SetCurrentZone(PlayZone zone)
	{
		GD.Print($"New zone {zone}");
		var path = GetPathTo(zone.PlayerSpawnPoint);
		_gameInfo.SetCheckpoint(path);
	}
}