using System.Collections.Generic;
using Microsoft.ApplicationInsights;
using Microsoft.ApplicationInsights.Extensibility;
using Serilog;
using Serilog.Core;
using Serilog.Exceptions;
using Wino.Core.Domain.Interfaces;
using Wino.Services.Misc;

namespace Wino.Services;

public class WinoLogger : IWinoLogger
{
    private readonly LoggingLevelSwitch _levelSwitch = new LoggingLevelSwitch();
    private readonly IPreferencesService _preferencesService;
    private readonly TelemetryConfiguration _telemetryConfiguration;

    public TelemetryClient TelemetryClient { get; private set; }

    public WinoLogger(IPreferencesService preferencesService, IApplicationConfiguration applicationConfiguration)
    {
        _preferencesService = preferencesService;
        _telemetryConfiguration = new TelemetryConfiguration(applicationConfiguration.ApplicationInsightsInstrumentationKey);

        TelemetryClient = new TelemetryClient(_telemetryConfiguration);

        RefreshLoggingLevel();
    }

    public void RefreshLoggingLevel()
    {
#if DEBUG
        _levelSwitch.MinimumLevel = Serilog.Events.LogEventLevel.Debug;
#else
        _levelSwitch.MinimumLevel = _preferencesService.IsLoggingEnabled ? Serilog.Events.LogEventLevel.Information : Serilog.Events.LogEventLevel.Fatal;
#endif
    }

    public void SetupLogger(string fullLogFilePath)
    {
        // Make sure to set the diagnostic id for the telemetry converter.
        // This call seems weird, but it is necessary to make sure the diagnostic id is set.
        _preferencesService.DiagnosticId = _preferencesService.DiagnosticId;

        var insightsTelemetryConverter = new WinoTelemetryConverter(_preferencesService.DiagnosticId);

        Log.Logger = new LoggerConfiguration()
                    .MinimumLevel.ControlledBy(_levelSwitch)
                    .WriteTo.File(fullLogFilePath, retainedFileCountLimit: 3, rollOnFileSizeLimit: true, rollingInterval: RollingInterval.Day)
                    .WriteTo.Debug()
                    .WriteTo.ApplicationInsights(TelemetryClient, insightsTelemetryConverter, restrictedToMinimumLevel: Serilog.Events.LogEventLevel.Error)
                    .Enrich.FromLogContext()
                    .Enrich.WithExceptionDetails()
                    .CreateLogger();
    }

    public void TrackEvent(string eventName, Dictionary<string, string> properties = null)
    {
        if (TelemetryClient == null) return;

        TelemetryClient.TrackEvent(eventName, properties);
    }
}