using JetBrains.Annotations;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;

public class MeleeFighterClass : ClassBase {
  public MeleeFighterClass(Player player) : base(player) { }
  private readonly int BladeVortex = Animator.StringToHash("BladeVortex");
  private float BladeVortexSpeed = 0.4f;
  private float ComboResetTime;
  private float LastComboTime;
  private bool ChargingAnAttack;
  private float ChargeValue;
  private bool AllowBladeVortex;
  private int ChargeTick;


  private AttackState CurrentState;
  private enum AttackState {
    None,
    PhaseCleave,
    DrainEdge,
    Shockwave,
    BladeVortex,
    BasicAttack1,
    BasicAttack2,
    BasicAttack3,
    ChargeSurgeA,
    ChargeSurgeB,
    KineticSurgeA,
    KineticSurgeB,
  }


  override public void Tick() {
    float timeElapsed = Time.time - LastComboTime;

    switch (CurrentState) {
      case AttackState.None:
        return;

      case AttackState.BasicAttack1:
        AllowBladeVortex = timeElapsed <= 0.1f;
        break;


      case AttackState.ChargeSurgeA:
        ChargingAnAttack = Input.GetMouseButton(0);
        HandleCharging(timeElapsed);
        if (!ChargingAnAttack) ChangeState(AttackState.KineticSurgeA);
        break;


      case AttackState.ChargeSurgeB:
        ChargingAnAttack = Input.GetMouseButton(1);
        HandleCharging(timeElapsed);
        if (!ChargingAnAttack) ChangeState(AttackState.KineticSurgeB);
        break;
    }

    if (!ChargingAnAttack && timeElapsed > ComboResetTime) {
      Player.MoveSpeed = PlayerOriginalSpeed;
      ChangeState(AttackState.None);
      Player.SkillInUse = false;
    }
  }

  private void HandleCharging(float timeElapsed){
    ChargeValue = timeElapsed * 60;
    if (ChargeValue > 100) ChargeValue = 100;
    if (ChargeTick++ > 10) {
      ChargeTick = 0;
      TextPopUp.SpawnFloatingText($"Charging {ChargeValue:0.0}", GetChargeColor(), 3);
    }
  }

  private Color GetChargeColor() {
    ChargeValue = Mathf.Clamp01(ChargeValue / 100f); // Normalize to 0–1

    if (ChargeValue < 0.5f) {
      return Color.Lerp(Color.red, Color.yellow, ChargeValue / 0.5f);
    } else {
      return Color.Lerp(Color.yellow, Color.green, (ChargeValue - 0.5f) / 0.5f);
    }
  }



  override public void HandleLMB() {
    Player.SkillInUse = true;

    switch (CurrentState) {
      case AttackState.None:
        PlayerOriginalSpeed = Player.MoveSpeed;

        if ((Time.time - Player.DashTime) <= 0.1f)
          ChangeState(AttackState.PhaseCleave, 1.5f);
        else if (Player.IsJumping)
          ChangeState(AttackState.Shockwave, 0, 1.5f);
        else
          ChangeState(AttackState.BasicAttack1);

        break;


      case AttackState.BasicAttack1:
        ChangeState(AttackState.BasicAttack2);
        break;


      case AttackState.BasicAttack2:
        ChangeState(AttackState.BasicAttack3);
        break;


      case AttackState.BasicAttack3:
        ChangeState(AttackState.ChargeSurgeA);
        break;
    }
  }



  override public void HandleRMB() {
    Player.SkillInUse = true;

    switch (CurrentState) {
      case AttackState.None:
        PlayerOriginalSpeed = Player.MoveSpeed;

        if (Player.IsDashing)
          ChangeState(AttackState.None);
        else if (Player.IsJumping)
          ChangeState(AttackState.None);
        else
          ChangeState(AttackState.DrainEdge);
        break;


      case AttackState.BasicAttack1:
        if (!AllowBladeVortex) return;
        ChangeState(AttackState.BladeVortex, 0.4f, 1.5f);
        break;


      case AttackState.BasicAttack3:
        ChangeState(AttackState.ChargeSurgeB);
        break;
    }
  }


  private void ChangeState(AttackState state, float decreasedSpeed = 0.2f, float resetTime = 0.3f) {
    if (state != AttackState.None)
      TextPopUp.SpawnFloatingText(state.ToString(), Color.red, 3);
    CurrentState = state;
    ComboResetTime = resetTime;
    LastComboTime = Time.time;
    Player.MoveSpeed = (state == AttackState.None) ? PlayerOriginalSpeed : PlayerOriginalSpeed * decreasedSpeed;
    Debug.Log(CurrentState.ToString());

    switch (CurrentState) {
      case AttackState.None:
        if (Player.IsDashing) {
        } else if (Player.IsJumping) {
        } else {
        }
        break;

      case AttackState.Shockwave:
        break;

      case AttackState.BladeVortex:
        Animator.CrossFade(BladeVortex, 0);
        break;

      case AttackState.BasicAttack1:
        break;

      case AttackState.BasicAttack2:
        break;

      case AttackState.BasicAttack3:
        break;

      case AttackState.KineticSurgeA:
        Debug.Log($"Charged Value: {ChargeValue}");
        break;

      case AttackState.KineticSurgeB:
        Debug.Log($"Charged Value: {ChargeValue}");
        break;
    }
  }
}