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

using UnityEngine;
using UnityEngine.InputSystem;

public enum Sound {
    MenuLow,
    MenuHigh,

    Accelerate,
    Decelerate,
    Strafe,

    Damage,
    Respawn,

    BoostAcceleration,
    BoostDeceleration,
    BoostStrafe,
    BoostShield,

    BoostGenerate,
    BoostAvailable,
    BoostFull,
    BoostDrain,
}

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

    [SerializeField]
    AudioClip[] clips;

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

    AudioSource srcAccel;
    AudioSource srcDecel;
    AudioSource srcStrafe;

    SpaceRaceInput input;
    ShipControls ship;

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

        ship = GetComponentInParent<ShipControls>();

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

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

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

        RegisterEvents();
    }

    void Update() {
        srcAccel.pitch = Math.Min(1f, (1f / 500f) * ship.Speed);
        srcDecel.pitch = Math.Min(1f, (1f / 500f) * ship.Speed);
        srcStrafe.pitch = Math.Min(1f, (1f / 500f) * ship.Speed);

        // Super fucking annoying
        // stops all the clicks and pops of starting / stopping the clips
        // 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) {
            srcAccel.volume = Math.Min(1f, srcAccel.volume + volumeDelta);
        } else {
            srcAccel.volume = Math.Max(0f, srcAccel.volume - decelDelta);
        }

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

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


    // public void PlaySound(Sound s) {
    //     AudioSource src = sounds[s];
    //     src.Play(0);
    // }

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

        input.ship.Enable();

        // input.ship.accelerate.started   += OnAccelerateStart;
        // input.ship.accelerate.canceled  += OnAccelerateCancel;
        // input.ship.decelerate.started   += OnDecelerateStart;
        // input.ship.decelerate.canceled  += OnDecelerateCancel;
        // input.ship.strafe.started   += OnStrafeStart;
        // input.ship.strafe.canceled  += OnStrafeCancel;

        // these we only care about the initial press
        // input.ship.respawn.started      += OnRespawn;
        // input.ship.quit.started         += OnQuit;
        // input.ship.powerUnit1.started   += OnPowerUnit1;
        // input.ship.powerUnit2.started   += OnPowerUnit2;
        // input.ship.powerUnit3.started   += OnPowerUnit3;
        // input.ship.powerUnit4.started   += OnPowerUnit4;
    }

    // void OnDestroy() {
    //     input.ship.accelerate.started   -= OnAccelerateStart;
    //     input.ship.accelerate.canceled  -= OnAccelerateCancel;
    //     input.ship.decelerate.started   -= OnDecelerateStart;
    //     input.ship.decelerate.canceled  -= OnDecelerateCancel;
    //     input.ship.strafe.started   -= OnStrafeStart;
    //     input.ship.strafe.canceled  -= OnStrafeCancel;


    //     // these we only care about the initial press
    //     input.ship.respawn.started      -= OnRespawn;
    //     input.ship.quit.started         -= OnQuit;
    //     input.ship.powerUnit1.started   -= OnPowerUnit1;
    //     input.ship.powerUnit2.started   -= OnPowerUnit2;
    //     input.ship.powerUnit3.started   -= OnPowerUnit3;
    //     input.ship.powerUnit4.started   -= OnPowerUnit4;
    // }

    // void OnAcceleratePerformed(InputAction.CallbackContext _ctx) {
    //     Debug.Log(_ctx.duration);
    // }

    // void OnAccelerateStart(InputAction.CallbackContext _ctx) {
    //     srcAccel.Play();
    // }

    // void OnAccelerateCancel(InputAction.CallbackContext _ctx) {
    //     srcAccel.Stop();
    // }

    // void OnDecelerateStart(InputAction.CallbackContext _ctx) {
    //     srcDecel.Play();
    // }

    // void OnDecelerateCancel(InputAction.CallbackContext _ctx) {
    //     srcDecel.Stop();
    // }

    // void OnStrafeStart(InputAction.CallbackContext _ctx) {
    //     srcStrafe.Play();
    // }

    // void OnStrafeCancel(InputAction.CallbackContext _ctx) {
    //     srcStrafe.Stop();
    // }
}