namespace EnablementDAL.DTO
{
    // Canonical Show Nature enumeration. TSHOW.SHOWNATURE was previously an undocumented byte with
    // no full enumeration anywhere in the backend. Values here MUST mirror
    // projects/enablement/models/enablement.enums.ts's ShowNature exactly — that FE enum is already
    // live (referenced by gbshowlist.component.ts's showNatureMap and persisted via TShowDTO.ShowNature)
    // and uses different numbering than the attached marketing/spec PDFs (e.g. Tips=6/Announcement=2
    // here, not 2/6 as the spec text describes) — the FE enum is the ground truth, not the PDFs.
    public static class ShowNatureConstant
    {
        public const int UI_TOUR = 0;
        public const int FEATURE_TOUR = 1;
        public const int ANNOUNCEMENT = 2;
        public const int CHECKLIST = 3;
        public const int BANNER = 4;
        public const int MICRO_LESSON = 5;
        public const int TIPS = 6;
        public const int NEWS_ITEM = 7;
        public const int ALERT = 8;
        public const int MAINTENANCE_NOTICE = 9;
        public const int KNOWLEDGE_ARTICLE = 10;
        public const int PORTAL_NOTICE = 11;
        public const int ASSESSMENT = 12;
        public const int WORK_INSTRUCTION = 13;

        // Natures composed of multiple ordered Steps (tour waypoints, checklist items, lesson
        // slides, assessment questions) — these show a Steps editor and require at least one step on
        // save. Natures not in this set are single-display (one content area, no Steps section).
        // WorkInstruction is single-display here: it delegates rendering to the WorkInstruction
        // viewer via ContentId (see LinkType.WorkInstruction in enablement.enums.ts), not a
        // Show-owned Steps array.
        public static readonly HashSet<int> MultiStepNatures = new()
        {
            UI_TOUR, FEATURE_TOUR, ANNOUNCEMENT, CHECKLIST, MICRO_LESSON, KNOWLEDGE_ARTICLE, ASSESSMENT
        };

        public static bool IsMultiStep(int showNature) => MultiStepNatures.Contains(showNature);
    }
}