using Data.SeaHavenIndustries;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Interfaces;

namespace SeaHaven.DataServices.Implementation
{
    public class WorkOrderOpsHealthDataService : IWorkOrderOpsHealthDataService
    {
        private readonly ApplicationDbContext _context;

        public WorkOrderOpsHealthDataService(ApplicationDbContext context)
        {
            _context = context;
        }

        public Task<int> CountSyncRejectedSinceAsync(DateTime since, CancellationToken cancellationToken)
            => _context.WorkOrderAuditLogs
                .CountAsync(l => l.Action == "SyncRejected" && l.CreatedAt >= since, cancellationToken);

        public Task<int> CountFieldLocksAsync(CancellationToken cancellationToken)
            => _context.WorkOrderFieldLocks.CountAsync(cancellationToken);

        public async Task<DateTime?> GetLastWeekRolledProcessedAtAsync(CancellationToken cancellationToken)
        {
            if (!await _context.WorkOrderWeekRolledLedgers.AnyAsync(cancellationToken))
                return null;

            return await _context.WorkOrderWeekRolledLedgers
                .MaxAsync(l => (DateTime?)l.ProcessedAt, cancellationToken);
        }
    }
}