using static PostFundManagement.Domain.Extensions.Constants;

namespace PostFundManagement.Domain.Health;

public sealed class QuartzHealthCheck(ISchedulerFactory schedulerFactory) : IHealthCheck
{
    public async Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
    {
        try
        {
            var scheduler = await schedulerFactory.GetScheduler(DefaultSchedulerName, cancellationToken);

            if(scheduler == null) 
                return HealthCheckResult.Unhealthy($"Scheduler with name '{DefaultSchedulerName}' not found.");

            if (!scheduler.IsStarted)
                return HealthCheckResult.Unhealthy($"{DefaultSchedulerName} Quartz scheduler is not running");

            await scheduler.CheckExists(new JobKey(Guid.NewGuid().ToString()), cancellationToken);

            return HealthCheckResult.Healthy($"{DefaultSchedulerName} Quartz scheduler is ready");
        }
        catch (SchedulerException)
        {
            return HealthCheckResult.Unhealthy($"{DefaultSchedulerName} Quartz scheduler cannot connect to the store");
        }
    }
}