using CMSMicroservice.Application.Common.Interfaces;
using Microsoft.Extensions.Logging;

namespace CMSMicroservice.Infrastructure.Services.Monitoring;

/// <summary>
/// پیاده‌سازی AlertService با Structured Logging
/// فعلاً: Log به Console/File با ILogger
/// آینده: Integration با Sentry, Slack, Email
/// </summary>
public class AlertService : IAlertService
{
    private readonly ILogger<AlertService> _logger;

    public AlertService(ILogger<AlertService> logger)
    {
        _logger = logger;
    }

    public async Task SendCriticalAlertAsync(
        string title, 
        string message, 
        Exception? exception = null, 
        CancellationToken cancellationToken = default)
    {
        // Structured logging for production monitoring
        _logger.LogCritical(
            exception, 
            "🚨 CRITICAL: {AlertTitle} | {AlertMessage} | Exception: {ExceptionType}",
            title,
            message,
            exception?.GetType().Name ?? "None");
        
        // TODO (Production): 
        // - await SendToSentryAsync(title, message, exception);
        // - await SendToSlackAsync("#critical-alerts", title, message);
        // - await SendEmailToAdminsAsync(title, message, exception);
        
        await Task.CompletedTask;
    }

    public async Task SendWarningAlertAsync(
        string title, 
        string message, 
        CancellationToken cancellationToken = default)
    {
        _logger.LogWarning(
            "⚠️ WARNING: {AlertTitle} | {AlertMessage}",
            title,
            message);
        
        // TODO (Production):
        // - await SendToSlackAsync("#warnings", title, message);
        
        await Task.CompletedTask;
    }

    public async Task SendSuccessNotificationAsync(
        string title, 
        string message, 
        CancellationToken cancellationToken = default)
    {
        _logger.LogInformation(
            "✅ SUCCESS: {EventTitle} | {EventMessage}",
            title,
            message);
        
        // TODO (Production - Optional):
        // - await SendToSlackAsync("#general", title, message); // for important events
        
        await Task.CompletedTask;
    }
}
