using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using FNAF_Clone.GUI;
using FNAF_Clone.Map;
using GlobalClassLib;
using Microsoft.Xna.Framework;

namespace FNAF_Clone;

public static class ClientEnemyManager {
    private static Dictionary<int, ClientEnemy> enemies = new();
    private static Point cameraCorner = new Point(64, 64);

    private static Action defaultAfterJumpscare = UIManager.ShowDeathScreen;
    public static void AddEnemy(ClientEnemy enemy) {
        enemies.Add(enemy.Id, enemy);
        UIManager.AddEnemySprite(enemy.Id, enemy.Sprite, enemy.JumpscareSprite);
    }

    public static void AddEnemyByTemplate(EnemyType type, int id, int difficulty, MapTileProjection location) {
        switch (type){
            case EnemyType.LURK:
                AddEnemy(new ClientEnemy(
                    (int)type, 
                    "Lurk", 
                    id, 
                    new UIElement(UIManager.EnemyAtlas[0], cameraCorner), 
                    difficulty, 
                    location,
                    new JumpscareUIElement(UIManager.EnemyAtlas[0], new(0, 0), 3, 2, 2, 0.1f, afterStop:defaultAfterJumpscare)));
                break;
            case EnemyType.NEKO:
                AddEnemy(new ClientEnemy(
                    (int)type, 
                    "Neko", 
                    id, 
                    new UIElement(UIManager.EnemyAtlas[1], cameraCorner), 
                    difficulty, 
                    location,
                    new JumpscareUIElement(UIManager.EnemyAtlas[1], new(0, -30), 3, 2, 2, 0.1f, afterStop:defaultAfterJumpscare)));
                break;
            case EnemyType.SPOT:
                UIElement element =
                    new UIElement([UIManager.EnemyAtlas[2], UIManager.EnemyAtlas[3], UIManager.EnemyAtlas[4], UIManager.EnemyAtlas[5]], cameraCorner);
                element.SetTexture(2);
                AddEnemy(new ClientEnemy(
                    (int)type,
                    "Spot",
                    id,
                    element, 
                    difficulty,
                    location,
                    new JumpscareUIElement(UIManager.EnemyAtlas[2], new(0, 0), 3, 2, 2, 0.1f, afterStop:defaultAfterJumpscare)));
                break;
        }
    }

    public static void Move(int id, MapTileProjection tile) {
        enemies[id].Location = tile;
    }
    
    public static ClientEnemy Get(int id) => enemies[id];

    public static ClientEnemy[] GetByLocation(MapTileProjection tile) {
        List<ClientEnemy> output = new();
        foreach (var e in enemies.Values){
            if (e.Location == tile){
                output.Add(e);
            }
        }

        return output.ToArray();
    }
}