using System;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using PrizeSystem;

public class Character : MonoBehaviour
{
    public Sprite Icon;
    public Sprite IconSmall;
    public string Name;
    public int CharacterIndex; //Для эффектов
    public Sprite chipImage;
    AudioSource audioSource;
    Animator animator;
    public Animator Animator => animator ?? GetComponent<Animator>();

    public Prize prize;
    public bool HasPrize = true;
    public Vector2 boxLocalPosition = new Vector2(0, 500);
    public Vector2 CharacterLocalPosition = new Vector2(0, 0);
    public AnimationClip chipSpawningAnim;
    public AudioClip chipThrowClip;

    [Header("Списки сложностей")]
    public List<DifficultyPreset> difficultyPresetsEasy;
    public List<DifficultyPreset> difficultyPresetsMedium;
    public List<DifficultyPreset> difficultyPresetsHard;
    public List<DifficultyPreset> CurrenDifficultyList
    {
        get
        {
            switch (pulledGlobalDifficulty)
            {
                case "Легкая":
                    return difficultyPresetsEasy;
                case "Средняя":
                    return difficultyPresetsMedium;
                case "Сложная":
                    return difficultyPresetsHard;
                default:
                    return difficultyPresetsMedium;
            }
        }
    }

    public int currentDifficulty;

    public float ThinkTime => UnityEngine.Random.Range(minThinkTime, maxThinkTime);
    [SerializeField] float minThinkTime = 0;
    [SerializeField] float maxThinkTime = 2;

    #region РЕПЛИКИ
    [Header("Появление")]
    [Range(0, 1)] public float appearChance = 1;
    public List<Replica> appearReplicas;
    List<Replica> appearReplicasTemp;

    [Header("Ход игрока")]
    [Range(0, 1)] public float playerTurnChance = 1;
    public List<Replica> playerTurnReplicas;
    List<Replica> playerTurnReplicasTemp;

    [Header("Ход бота")]
    [Range(0, 1)] public float botTurnChance = 1;
    public List<Replica> botTurnReplicas;
    List<Replica> botTurnReplicasTemp;

    [Header("Игрок выиграл")]
    [Range(0, 1)] public float playerWinChance = 1;
    public List<Replica> playerWinReplicas;
    List<Replica> playerWinReplicasTemp;

    [Header("Бот выиграл")]
    [Range(0, 1)] public float botWinChance = 1;
    public List<Replica> botWinReplicas;
    List<Replica> botWinReplicasTemp;

    [Header("Вернулись на предыдущий уровень")]
    [Range(0, 1)] public float returnChance = 1;
    public List<Replica> returnReplicas;
    List<Replica> returnReplicasTemp;

    [Header("Ничья (редко)")]
    [Range(0, 1)] public float drawChance = 1;
    public List<Replica> drawReplicas;
    List<Replica> drawReplicasTemp;

    private CharacterEventBus bus;

    private GameObject currentMessageBox;

    bool useVoice = true;
    #endregion РЕПЛИКИ

    private string pulledGlobalDifficulty;
    void pullSettings()
    {
        useVoice = SettingsManager.GetBool("EnableVoices", true);
        pulledGlobalDifficulty = SettingsManager.GetString("Difficulty", "Средняя");
        currentDifficulty = CurrenDifficultyList.Count / 2;
        audioSource.volume = SettingsManager.GetFloat("SoundsVolume", 0.5f);
    }
    private void OnEnable()
    {
        SettingsManager.OnSettingsChanged.AddListener(pullSettings);
        audioSource = GetComponent<AudioSource>();
        pullSettings();
        

        SetupTempReplicaLists();

        currentDifficulty = CurrenDifficultyList.Count / 2;
    }

    private void SetupTempReplicaLists()
    {
        appearReplicasTemp      = new();
        playerTurnReplicasTemp  = new();
        botTurnReplicasTemp     = new();
        playerWinReplicasTemp   = new();
        botWinReplicasTemp      = new();
        returnReplicasTemp      = new();
        drawReplicasTemp        = new();

        FillTempList(appearReplicas, appearReplicasTemp);
        FillTempList(playerTurnReplicas, playerTurnReplicasTemp);
        FillTempList(botTurnReplicas, botTurnReplicasTemp);
        FillTempList(playerWinReplicas, playerWinReplicasTemp);
        FillTempList(botWinReplicas, botWinReplicasTemp);
        FillTempList(returnReplicas, returnReplicasTemp);
        FillTempList(drawReplicas, drawReplicasTemp);
    }
    private void FillTempList(List<Replica> origin, List<Replica> destination)
    {
        destination.Clear();

        foreach (Replica s in origin)
        {
            destination.Add(s);
        }
    }

    #region Биндинг событий
    public void BindEvents()
    {
        bus = CharacterEventBus.Instance;

        bus.OnCharacterAppeared.AddListener(CharacterAppear);
        bus.OnPlayerTurn.AddListener(PlayerTurn);
        bus.OnBotTurn.AddListener(BotTurn);
        bus.OnPlayerWin.AddListener(PlayerWin);
        bus.OnBotWin.AddListener(BotWin);
        bus.OnLevelDown.AddListener(LevelDown);
        bus.OnDraw.AddListener(Draw);
    }

    public void UnbindEvents()
    {
        bus = CharacterEventBus.Instance;

        bus.OnCharacterAppeared.RemoveListener(CharacterAppear);
        bus.OnPlayerTurn.RemoveListener(PlayerTurn);
        bus.OnBotTurn.RemoveListener(BotTurn);
        bus.OnPlayerWin.RemoveListener(PlayerWin);
        bus.OnBotWin.RemoveListener(BotWin);
        bus.OnLevelDown.RemoveListener(LevelDown);
        bus.OnDraw.RemoveListener(Draw);

    }
    #endregion

    #region Отправка сообщений
    public GameObject messageBoxPrefab;
    public AudioClip botVoice;
    public float typingDelay = 0.05f;
    public float culldownTime = 2;
    bool nowTyping = false;

    bool Message(List<Replica> replicasTemp, List<Replica> replicas, bool priority, float chance, bool showName=false)
    {
        //Поступило неприоритетное  сообщение и бокс  занят
        if (nowTyping && !priority)
        {
            return false;
        }

        //Проверяем вероятность
        bool condition = UnityEngine.Random.Range(0, 1f) < chance && replicasTemp.Count > 0;
        if (!condition)
        {
            return false;
        }

        //сообщение приоритетное
        if (nowTyping)
        {
            StopAllCoroutines();
            Destroy(currentMessageBox);
        }

        nowTyping = true;

        //подготовка  бокса
        currentMessageBox = Instantiate(messageBoxPrefab, transform);
        currentMessageBox.transform.GetChild(1).gameObject.SetActive(showName);//включить или выключить имя
        currentMessageBox.transform.localPosition = boxLocalPosition;
        TextMeshProUGUI label = currentMessageBox.transform.GetComponentInChildren<TextMeshProUGUI>();

        //Подготовка сообщения
        int index = UnityEngine.Random.Range(0, replicasTemp.Count);
        
        string message = replicasTemp[index].text;
        if (replicasTemp[index].clip && useVoice)
        {
            audioSource.clip = replicasTemp[index].clip;
            audioSource.Play();
            //скрутить фоновую
            SoundManager.instance.MusicFade(fadeDuration: 0.2f,
                                            holdDuration: replicasTemp[index].clip.length - 0.2f,
                                            targetVolumePercent: 0.5f);
        }





        StartCoroutine(ShowText(message, label, replicasTemp[index].clip.length));
        replicasTemp.RemoveAt(index);
        if (replicasTemp.Count == 0)
            FillTempList(replicas, replicasTemp);
        return true;
    }

    //для прогона реплик
    public bool Message(Replica replica)
    {
        //подготовка  бокса
        currentMessageBox = Instantiate(messageBoxPrefab, transform);
        currentMessageBox.transform.localPosition = boxLocalPosition;
        TextMeshProUGUI label = currentMessageBox.transform.GetComponentInChildren<TextMeshProUGUI>();


        string message = replica.text;
        if (replica.clip && useVoice)
        {
            audioSource.clip = replica.clip;
            audioSource.Play();

            

        }

        StartCoroutine(ShowText(message, label, 0.05f));
        return true;
    }


    IEnumerator ShowText(string message, TextMeshProUGUI label, float replicaClipLength)
    {
        Animator anim = GetComponent<Animator>();
        
        anim.SetBool("Speak", true);
        label.text = "";

        GameObject sound = null;
        AudioSource source = null;
        if (botVoice)
        {
            sound = new GameObject("TypingSound");
            source = sound.AddComponent<AudioSource>();
            //source.clip = botVoice;
            source.volume = SettingsManager.GetFloat("SoundsVolume", 0.5f) * 0.5f;

            typingDelay = replicaClipLength / message.Length;
        }
        else
        {
            typingDelay = 0.05f;
        }

        for (int i = 0; i < message.Length; i++)
        {
            label.text = label.text + message[i];

            if (botVoice)
            {                
                source.pitch = UnityEngine.Random.Range(1.5f, 1.6f);
                source.PlayOneShot(botVoice);
                
            }

            yield return new WaitForSeconds(typingDelay);
        }

        Destroy(sound, botVoice.length);
        anim.SetBool("Speak", false);

        yield return new WaitForSeconds(culldownTime);

        nowTyping = false;
        Destroy(label.transform.parent.gameObject);
    }

    #endregion

    #region Обработчики событий
    public void CharacterAppear()
    {
        if (Message(appearReplicasTemp, appearReplicas, true, appearChance, showName:true))
            GetComponent<Animator>().SetTrigger("Appear");
    }
    public void PlayerTurn()
    {
        Message(playerTurnReplicasTemp, playerTurnReplicas, false, playerTurnChance);
    }
    public void BotTurn()
    {
        Message(botTurnReplicasTemp, botTurnReplicas, false, botTurnChance);
    }
    public void PlayerWin()
    {
        Message(playerWinReplicasTemp, playerWinReplicas, true, playerWinChance);
    }
    public void BotWin()
    {
        Message(botWinReplicasTemp, botWinReplicas, true, botWinChance);
    }
    public void LevelDown()
    {
        Message(returnReplicasTemp, returnReplicas, true, returnChance);
    }
    public void Draw() 
    {
        Message(drawReplicasTemp, drawReplicas, true, drawChance);
    }

    #endregion

    #region Управление сложностью
    public DifficultyPreset CurrentDifficultyPreset => GetDifficultyPreset();

    private DifficultyPreset GetDifficultyPreset()
    {
        List<DifficultyPreset> presets;
        if (SettingsManager.GetString("BaseBotDifficulty", "Фиксированная") == "Повышенная")
            presets = difficultyPresetsHard;
        else
            presets = CurrenDifficultyList;

        int index = Mathf.Clamp(currentDifficulty, 0, presets.Count-1);//? -1?
        return presets[index];
    }

    public void IncreaseDifficuly() => currentDifficulty = (currentDifficulty+1 + CurrenDifficultyList.Count) % CurrenDifficultyList.Count;
    public void DecreaseDifficuly() => currentDifficulty = (currentDifficulty - 1 + CurrenDifficultyList.Count) % CurrenDifficultyList.Count;
    #endregion

    public void PlayThrowChip()//Инвок в анимациях
    {
        SoundManager.instance.playClip(chipThrowClip);
    }
}

[Serializable] //чтобы редачить в инспекторе
public struct Replica
{
    public AudioClip clip;
    public string text;
}