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

namespace SeaHaven.DataServices.Implementation
{
    public class WorkOrderCompletionDataService : IWorkOrderCompletionDataService
    {
        private readonly ApplicationDbContext _context;

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

        public Task<WorkOrder?> GetWorkOrderForCompletionAuthAsync(
            int workOrderId,
            int? accountId,
            CancellationToken cancellationToken)
        {
            var query = WorkOrderBoardQueryFilters.ApplyBaseScope(_context.workOrders.AsNoTracking());
            if (accountId.HasValue)
                query = WorkOrderBoardQueryFilters.ApplyAccountScope(query, accountId.Value);

            return query.FirstOrDefaultAsync(w => w.Id == workOrderId, cancellationToken);
        }

        public Task<WorkOrder?> GetTrackedWorkOrderAsync(
            int workOrderId,
            int? accountId,
            CancellationToken cancellationToken)
        {
            var query = WorkOrderBoardQueryFilters.ApplyBaseScope(_context.workOrders);
            if (accountId.HasValue)
                query = WorkOrderBoardQueryFilters.ApplyAccountScope(query, accountId.Value);

            return query.FirstOrDefaultAsync(w => w.Id == workOrderId, cancellationToken);
        }

        public void SetExpectedWorkOrderVersion(WorkOrder workOrder, byte[] version)
            => _context.Entry(workOrder).Property(w => w.RowVersion).OriginalValue = version;

        public Task<CompletionDocTemplate?> GetTrackedTemplateAsync(int id, CancellationToken cancellationToken)
            => _context.CompletionDocTemplates.FirstOrDefaultAsync(t => t.Id == id && t.IsDeleted != true, cancellationToken);

        public Task SaveAsync(CancellationToken cancellationToken)
            => _context.SaveChangesAsync(cancellationToken);
    }
}