using PCC.Common.EventBus;

namespace PCC.Common.Logging;

public class LoggingIntoEventBus : ILoggerProvider
{
    public IEventBus? EventBus { get; set; }

    public void Dispose()
    {
    }

    public ILogger CreateLogger(string categoryName)
    {
        return new LoggingIntoEventBusLogger(categoryName, this);
    }

    private class LoggingIntoEventBusLogger(string categoryName, LoggingIntoEventBus owner) : ILogger
    {
        public IDisposable? BeginScope<TState>(TState state) where TState : notnull => default;

        public bool IsEnabled(LogLevel logLevel) => true;

        public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)
        {
            if (owner.EventBus == null) return;

            var content = Convert.ToString(state);

            if (exception != null) content = $"{content} {exception}";

            var formatted = $"[{DateTime.Now:dd HH:mm:ss}] {categoryName} {content}";
            owner.EventBus.Publish(new LoggingEvent(logLevel, categoryName, formatted));
        }
    }
}