using GB5Shared.DTO.Framework.Login;
using System.Threading;
using System.Threading.Tasks;

namespace FrameworkBLL.SchedulerTaskGenerator
{
    /// <summary>
    /// Bridges MJOBDEFINE/TSCHEDULER to Quartz's own native, persistent, per-job triggers.
    /// Quartz owns "when to fire" for a job from here on — no custom due-time computation.
    /// </summary>
    public interface IQuartzSyncService
    {
        /// <summary>
        /// (Re)builds the Quartz trigger for a job from its current MJOBDEFINE/TSCHEDULER
        /// row. If the job/scheduler is inactive, removes any existing trigger instead.
        /// If a trigger already exists for this job, it is deleted first (clean slate).
        /// Safe to call repeatedly — e.g. after every save.
        /// </summary>
        Task SyncJobAsync(int jobId, LoginDTO login, CancellationToken ct = default);

        /// <summary>
        /// Removes the Quartz trigger/job for the given JobId, if one exists. No-op otherwise.
        /// </summary>
        Task RemoveJobAsync(int jobId, LoginDTO login, CancellationToken ct = default);

        /// <summary>
        /// Returns whether a Quartz JobKey is currently registered for this job — used to
        /// reject manual "trigger now" requests for jobs that were never synced (avoids
        /// falling back to an anonymous, un-scoped one-shot trigger).
        /// </summary>
        Task<bool> IsJobRegisteredAsync(int jobId, int tenantId, CancellationToken ct = default);

        /// <summary>
        /// One-time startup migration: enumerates all active tenants, loads every
        /// STATUS=1 (active) MJOBDEFINE row per tenant, and syncs each into Quartz.
        /// Errors on an individual job/tenant are logged and skipped — one bad row
        /// must not block the rest.
        /// </summary>
        Task BootstrapAllAsync(CancellationToken ct = default);
    }
}