using Microsoft.Extensions.Logging;

namespace ZB.MOM.WW.Tools.LdapProbe;

/// <summary>
/// Minimal logger so the shared library's failover diagnostics are visible during a probe.
/// <c>LdapAuthService</c> logs a Warning per failed endpoint hop and an Information line when
/// its sticky preference moves — exactly the events a DC-failover test needs to observe.
/// </summary>
public sealed class ConsoleLogger<T> : ILogger<T>
{
    private readonly bool _verbose;

    public ConsoleLogger(bool verbose) => _verbose = verbose;

    public IDisposable? BeginScope<TState>(TState state) where TState : notnull => null;

    public bool IsEnabled(LogLevel logLevel) => _verbose || logLevel >= LogLevel.Information;

    public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception,
        Func<TState, Exception?, string> formatter)
    {
        if (!IsEnabled(logLevel)) return;

        var message = formatter(state, exception);
        if (logLevel >= LogLevel.Warning) Ui.Warn($"[library] {message}");
        else Ui.Info($"[library] {message}");

        if (exception is not null && _verbose)
            Ui.Info($"          {RawDirectory.Describe(exception)}");
    }
}