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

using UnityEngine;
using UnityEngine.InputSystem;

public enum Sound {
    MenuLow,
    MenuHigh,

    Accelerate,
    Decelerate,
    Strafe,

    Damage, // noise pop
    Respawn, // noise pop

    BoostAccelerate,
    BoostDecelerate,
    BoostStrafe,
    BoostShield,

    BoostGenerate,
    BoostAvailable,
    BoostFull,
    BoostDrain,
}

public class ShipAudio : MonoBehaviour {
    // Match these two up
    [SerializeField]
    Sound[] powerUnitSounds;

    [SerializeField]
    AudioClip[] powerUnitClips;

    [SerializeField]
    AudioClip[] noiseClips;

    Dictionary<Sound, AudioClip> sounds = new();

    AudioSource srcShipAccel;
    AudioSource srcShipDecel;
    AudioSource srcShipStrafe;

    AudioSource src;

    SpaceRaceInput input;
    ShipControls ship;

    void Awake() {
        for (int i = 0; i < powerUnitClips.Length; i++) {
            sounds.Add(powerUnitSounds[i], powerUnitClips[i]);
        }

        ship = GetComponentInParent<ShipControls>();

        src = gameObject.AddComponent<AudioSource>();

        srcShipAccel = gameObject.AddComponent<AudioSource>();
        srcShipAccel.clip = sounds[Sound.Accelerate];
        srcShipAccel.loop = true;
        srcShipAccel.volume = 0f;
        srcShipAccel.Play();

        srcShipDecel = gameObject.AddComponent<AudioSource>();
        srcShipDecel.clip = sounds[Sound.Decelerate];
        srcShipDecel.loop = true;
        srcShipDecel.volume = 0f;
        srcShipDecel.Play();

        srcShipStrafe = gameObject.AddComponent<AudioSource>();
        srcShipStrafe.clip = sounds[Sound.Strafe];
        srcShipStrafe.loop = true;
        srcShipStrafe.volume = 0f;
        srcShipStrafe.Play();

        RegisterEvents();
    }

    void Update() {
        srcShipAccel.pitch = Math.Min(0.5f, (1f / 500f) * ship.Speed);
        srcShipDecel.pitch = Math.Min(0.5f, (1f / 500f) * ship.Speed);
        srcShipStrafe.pitch = Math.Min(0.5f, (1f / 500f) * ship.Speed);

        // Super fucking annoying
        // stops all the clicks and pops of starting / stopping the powerUnitClips
        // 0.125s to get max volume
        // == 8x per second...
        float volumeDelta = Time.deltaTime * 8;
        float decelDelta = (1 / ship.Speed);

        bool accelerating = input.ship.accelerate.ReadValue<float>() > 0;
        bool decelerating = input.ship.decelerate.ReadValue<float>() > 0;
        bool strafing = input.ship.strafe.ReadValue<Vector2>().magnitude > 0;

        if (accelerating) {
            srcShipAccel.volume = Math.Min(1f, srcShipAccel.volume + volumeDelta);
        } else {
            srcShipAccel.volume = Math.Max(0f, srcShipAccel.volume - decelDelta);
        }

        if (decelerating) {
            srcShipDecel.volume = Math.Min(1f, srcShipDecel.volume + volumeDelta);
        } else {
            srcShipDecel.volume = Math.Max(0f, srcShipDecel.volume - decelDelta);
        }

        if (strafing) {
            srcShipStrafe.volume = Math.Min(1f, srcShipStrafe.volume + volumeDelta);
        } else {
            srcShipStrafe.volume = Math.Max(0f, srcShipStrafe.volume - decelDelta);
        }
    }


    public void PlayNoise() {
        int noiseIndex = UnityEngine.Random.Range(0, noiseClips.Length);
        src.pitch = UnityEngine.Random.Range(2f, 8f);
        src.PlayOneShot(noiseClips[noiseIndex]);
    }

    void RegisterEvents() {
        if (input == null)
            input = new SpaceRaceInput();

        input.ship.Enable();
    }
}