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

namespace CharacterSystem
{
    [CreateAssetMenu(fileName = "DifficultyModule", menuName = "Scriptable Objects/DifficultyModule")]
    public class DifficultyModule : ScriptableObject
    {
        [FormerlySerializedAs("difficultyPresetsEasy")]
        [SerializeField] private List<DifficultyPreset> _difficultyPresetsEasy = new List<DifficultyPreset>();
        [FormerlySerializedAs("difficultyPresetsMedium")]
        [SerializeField] private List<DifficultyPreset> _difficultyPresetsMedium = new List<DifficultyPreset>();
        [FormerlySerializedAs("difficultyPresetsHard")]
        [SerializeField] private List<DifficultyPreset> _difficultyPresetsHard = new List<DifficultyPreset>();
        [FormerlySerializedAs("minThinkTime")]
        [SerializeField] private float _minThinkTime;
        [FormerlySerializedAs("maxThinkTime")]
        [SerializeField] private float _maxThinkTime = 2f;

        private int _presetIndex;
        private List<DifficultyPreset> _activeDifficultyList;

        public float ThinkTime => Random.Range(_minThinkTime, _maxThinkTime);

        public void PullSettings()
        {
            string difficulty = SettingsManager.GetString(SettingKey.DIFFICULTY);
            string mode = SettingsManager.GetString(SettingKey.DIFFICULTY_MODE);
            _activeDifficultyList = mode == "Заработок" ? _difficultyPresetsHard : GetListByDifficulty(difficulty);

            ResetPresetIndex();
        }

        public DifficultyPreset GetCurrentPreset()
        {
            if (_activeDifficultyList == null || _activeDifficultyList.Count == 0)
                return null;

            return _activeDifficultyList[_presetIndex];
        }

        public void IncreaseDifficulty()
        {
            if (_activeDifficultyList == null || _activeDifficultyList.Count == 0)
                return;

            _presetIndex = Mathf.Clamp(_presetIndex + 1, 0, _activeDifficultyList.Count - 1);
        }

        public void DecreaseDifficulty()
        {
            if (_activeDifficultyList == null || _activeDifficultyList.Count == 0)
                return;

            _presetIndex = Mathf.Clamp(_presetIndex - 1, 0, _activeDifficultyList.Count - 1);
        }

        public void ResetPresetIndex()
            => _presetIndex = _activeDifficultyList == null ? 0 : _activeDifficultyList.Count / 2;

        private List<DifficultyPreset> GetListByDifficulty(string difficulty) => difficulty switch
        {
            "Легкая" => _difficultyPresetsEasy,
            "Средняя" => _difficultyPresetsMedium,
            "Сложная" => _difficultyPresetsHard,
            _ => _difficultyPresetsMedium
        };
    }
}