using System;
using System.Collections;
using System.Collections.Generic;
using Microsoft.Extensions.Logging;
using UnityEngine;
using ILogger = Microsoft.Extensions.Logging.ILogger;

namespace BITKit
{
    public abstract class UnityLogger:ILogger
    {
        [HideInCallstack]
        public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
        {
            switch (logLevel)
            {
                case LogLevel.Critical:
                    case LogLevel.Error:
                        if (exception is not null)
                        {
                            Debug.LogException(exception);
                        }
                        else
                        {
                            Debug.LogError($"{CurrentScope}:{state.ToString()}");
                        }
                        break;
                default:
                    Debug.Log($"{CurrentScope}:{state.ToString()}");
                    break;
            }
        }
        public bool IsEnabled(LogLevel logLevel) => true;
        private string CurrentScope { get; set; }
        public IDisposable BeginScope<TState>(TState state) where TState : notnull
        {
            CurrentScope = typeof(TState).Name;
            return null;
        }
    }
    public sealed class UnityLogger<T>:ILogger<T>
    {
        public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
        {
            switch (logLevel)
            {
                case LogLevel.Critical:
                case LogLevel.Error:
                    if (exception is not null)
                    {
                        Debug.LogException(exception);
                    }
                    else
                    {
                        Debug.LogError($"{typeof(T).Name}:{state.ToString()}");
                    }
                    break;
                default:
                    Debug.Log($"<color=cyan>{typeof(T).Name}</color>:{state.ToString()}");
                    break;
            }
        }

        public bool IsEnabled(LogLevel logLevel)
        {
            return true;
        }

        public IDisposable BeginScope<TState>(TState state) where TState : notnull
        {
            return null;
        }
    }
}