using Godot;
using System;
using System.Collections.Generic;
using System.Linq;

public partial class Main : Node
{
    public bool _isCommanderTurn = true;
    public Commander _commander;
    public GridMap2D _grid;
    public PackedScene _enemyScene = GD.Load<PackedScene>("res://Enemy.tscn");
    public List<Enemy> _enemies = new();
    public Random _rng = new();
    public override void _Ready()
    {
        base._Ready();
        _commander = GetNode<Commander>("Commander");
        _grid = GetNode<GridMap2D>("GridMap2D");
        _commander.GlobalPosition = _grid.GlobalPosition;
        _commander.TurnDone += ChangeTurn;
        AddEnemy();
        _commander.StartTurn();
    }

    public override void _Process(double delta)
    {
        base._Process(delta);
        if (Input.IsActionJustPressed("escape"))
        {
            GetTree().Quit();
        }
    }

    public void ChangeTurn()
    {
        _isCommanderTurn = !_isCommanderTurn;
        if (_isCommanderTurn)
        {
            GD.Print("Starting Commander turn");
            _commander.StartTurn();
        }
        else
        {
            GD.Print("Starting Enemy turn");
            for (int i = 0; i < _enemies.Count; i++)
            {
                _enemies[i].TakeTurn();
            }

            AddEnemy();
            ChangeTurn();
        }
    }

    public void AddEnemy()
    {
        Enemy newEnemy = _enemyScene.Instantiate<Enemy>();
        newEnemy.TurnDone += ChangeTurn;
        newEnemy.PlaceOrMove(_grid._gridMarkers.Last()[_rng.Next(_grid._gridMarkers.Last().Count)]);
        newEnemy._commander = _commander;
        newEnemy._grid = _grid;
        _enemies.Add(newEnemy);
        AddChild(newEnemy);
    }
}