using Data.SeaHavenIndustries;

using Data.SeaHavenIndustries.Enums;



namespace SeaHaven.Services.Helpers

{

    public static class WorkOrderDerivedFields

    {

        /// <summary>

        /// Past due overlay — never a WorkOrderType. Matches SHOC board design.

        /// </summary>

        public static bool IsPastDue(WorkOrder workOrder, DateOnly? asOf = null)

        {

            var today = asOf ?? DateOnly.FromDateTime(DateTime.UtcNow);

            if (workOrder.ScheduledDate == null)

                return false;



            if (LifecycleStatusMapper.IsTerminal(workOrder.LifecycleStatus))

                return false;



            return DateOnly.FromDateTime(workOrder.ScheduledDate.Value.Date) < today;

        }



        /// <summary>

        /// Sets initial lifecycle on create. New WOs start Incomplete unless auto-scheduled.

        /// </summary>

        public static void SetInitialLifecycleStatus(WorkOrder workOrder)

        {

            workOrder.LifecycleStatus ??= LifecycleStatus.Incomplete;

            ApplyAutoScheduleIfEligible(workOrder);

        }



        /// <summary>

        /// SHOC rule: specific scheduled date + assignee + Incomplete → Scheduled.

        /// Week-only targets do not auto-schedule.

        /// </summary>

        public static bool ApplyAutoScheduleIfEligible(WorkOrder workOrder)

        {

            if (workOrder.LifecycleStatus != LifecycleStatus.Incomplete)

                return false;



            if (workOrder.ScheduleWeekOnly == true)

                return false;



            if (workOrder.ScheduledDate == null)

                return false;



            if (string.IsNullOrWhiteSpace(workOrder.AssignTo))

                return false;



            workOrder.LifecycleStatus = LifecycleStatus.Scheduled;

            return true;

        }

    }

}