using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using System.IO;

namespace TalkingIsAFreeAction
{
    public static class Audio
    {
        public static Dictionary<string, SoundEffect> sounds;
        public static Dictionary<string, SoundEffect> music;
        public static SoundEffectInstance currentMusic = null;

        public static void LoadContent(Game game)
        {
            LoadMusic(game);
            LoadSound(game);
        }

        public static void LoadMusic(Game game)
        {
            music = new Dictionary<string, SoundEffect>();
            DirectoryInfo di = new DirectoryInfo(game.Content.RootDirectory + "/Music");
            FileInfo[] fi = di.GetFiles("*", SearchOption.AllDirectories);

            List<string> loadableAssets = new List<string>();
            foreach (FileInfo f in fi)
            {
                string fullname = f.FullName;
                string cutname = fullname.Substring(f.FullName.LastIndexOf("\\Content\\") + 9);
                loadableAssets.Add(cutname.Replace("\\", "/")); //Replace \ with /
            }

            for (int i = 0; i < loadableAssets.Count; i++)
            {
                string name = loadableAssets[i].Substring(0, loadableAssets[i].LastIndexOf("."));
                if (name.Contains("/")) name = name.Substring(name.LastIndexOf("/") + 1);
                if (loadableAssets[i].EndsWith(".xnb")) //Sound. Probably
                {
                    SoundEffect sound = game.Content.Load<SoundEffect>(loadableAssets[i].Substring(0, loadableAssets[i].LastIndexOf(".")));
                    sound.Name = name;
                    music.Add(name, sound);
                }
            }
        }

        public static void LoadSound(Game game)
        {
            sounds = new Dictionary<string, SoundEffect>();
            DirectoryInfo di = new DirectoryInfo(game.Content.RootDirectory + "\\Sound");
            FileInfo[] fi = di.GetFiles("*", SearchOption.AllDirectories);

            List<string> loadableAssets = new List<string>();
            foreach (FileInfo f in fi)
            {
                string fullname = f.FullName;
                string cutname = fullname.Substring(f.FullName.LastIndexOf("\\Content\\") + 9);
                loadableAssets.Add(cutname.Replace("\\", "/")); //Replace \ with /
            }

            for (int i = 0; i < loadableAssets.Count; i++)
            {
                string name = loadableAssets[i].Substring(0, loadableAssets[i].LastIndexOf("."));
                if (name.Contains("/")) name = name.Substring(name.LastIndexOf("/") + 1);
                if (loadableAssets[i].EndsWith(".xnb")) //Sound. Probably
                {
                    SoundEffect sound = game.Content.Load<SoundEffect>(loadableAssets[i].Substring(0, loadableAssets[i].LastIndexOf(".")));
                    sound.Name = name;
                    sounds.Add(name, sound);
                }
            }
        }

        public static void PlayMusic(string name, bool loop = true)
        {
            if (currentMusic != null)
            {
                if (currentMusic.State == SoundState.Playing)
                {
                    currentMusic.Stop();
                }
            }

            currentMusic = music[name].CreateInstance();
            currentMusic.IsLooped = loop;
            currentMusic.Play();
        }

        public static void PlaySound(string name)
        {
            if (sounds.ContainsKey(name))
            {
                sounds[name].CreateInstance().Play();
            }
        }

        public static SoundEffectInstance PrepareSound(string name)
        {
            if (sounds.ContainsKey(name))
            {
                return sounds[name].CreateInstance();
            }
            return null;
        }
    }
}