using System.Collections;
using System.Collections.Generic;
using UnityEngine;

using UnityEngine.Audio;

using EntityNetwork;

public class AudioProvider : EntityBase, IAutoRegister
{
	public static AudioProvider Instance;
	public override void Awake() {
		base.Awake();
		Instance = this;

		bgmSrc = GetComponent<AudioSource>();

		UnkClip = Resources.Load<AudioClip>("Unk");
		BunkClip = Resources.Load<AudioClip>("Bunk");
	}

	public float musicSpeed = 1f;
	AudioSource bgmSrc;

	public bool fastBGM = false;

	[ContextMenu("Speedup Music for 5s")]
	public void SpeedupForFiveSeconds() {
		Instance.fastBGM = true;
		timeUntilSlow = Time.time + 5f;
	}

	public static float timeUntilSlow = 0f;
	public static void RequestFastMusic() {
		Instance.fastBGM = true;
		timeUntilSlow = Time.time + 3f;
	}

	static AudioClip UnkClip, BunkClip;

	public static void Unk() {
		PlaySFX(UnkClip, AudioHelper.AudioCategory.Fx);
	}

	public static void Bunk() {
		PlaySFX(BunkClip, AudioHelper.AudioCategory.Fx);
	}

	public void Update() {
		bgmSrc.loop = true;

		bgmSrc.volume = AudioHelper.VolumeLevel(AudioHelper.AudioCategory.Music);

		bgmSrc.pitch = fastBGM ? 1.3333f : 1f;
		bgmSrc.outputAudioMixerGroup.audioMixer.SetFloat("ShiftPitch", fastBGM ? 0.75f : 1f);

		if (Time.time > timeUntilSlow)
			fastBGM = false;
	}

	int lastAudioFrame = 0;
	public static void PlaySFX(AudioClip sfx, AudioHelper.AudioCategory category = AudioHelper.AudioCategory.Fx, float volume = 1.0f, bool sendRemote = true) {
		if (sfx == null) return;
		if (sendRemote)
			Instance.RaiseEvent('s', true, AudioHelper.ByClip(sfx), (byte)category, volume);
		else
			Instance.InternallyPlaySFXEvent(AudioHelper.ByClip(sfx), (byte)category, volume);
	}

	[NetEvent('s')]
	public void InternallyPlaySFXEvent(int sfxID, byte category, float volume) {
		// Don't allow multiple audio sources to trigger at once
		if (Time.frameCount == lastAudioFrame) return;
		lastAudioFrame = Time.frameCount;

		var clip = AudioHelper.ByID(sfxID);
		AudioSource.PlayClipAtPoint(clip, Camera.main.transform.position, AudioHelper.VolumeLevel((AudioHelper.AudioCategory)category) * volume);
	}
}