using GerbilManagerWebAPI.Models;

namespace GerbilManagerWebAPI.Import.Rpro3
{
    /// <summary>
    /// Quelle eines RPRO3-Tier-Datensatzes. „stamm" = eigenes Tier, „fremd" = externer Ahn,
    /// „wurftier" = Welpe eines Wurfs (nur relevant, wenn nicht in ein stamm-Tier überführt).
    /// </summary>
    public enum Rpro3Src { Stamm, Fremd, Wurftier }

    /// <summary>Einheitlicher Tier-Datensatz aus der RPRO3-SQLite (vor Dedup).
    /// `Rid` ist die RPRO3-ID im jeweiligen Namensraum: "N"=stamm, "uN"=fremd, "XjY"=wurftier.</summary>
    public sealed class Rpro3Animal
    {
        public required string Rid { get; init; }
        public Rpro3Src Src { get; init; }
        public string? Name { get; set; }
        public Gender Gender { get; set; }
        public DateOnly? Dob { get; set; }
        public string? Farbe { get; set; }      // _FARBE Farbschlagname
        public string? Fcode { get; set; }       // _FCODE 8-Locus-Genotyp
        public string? Origin { get; set; }      // aufgelöster Herkunfts-Name (herk_tb)
        public int? OriginHerkId { get; set; }   // herk_tb.id (1 = eigene Zucht)
        public string? Zb { get; set; }
        public string? MidRaw { get; set; }      // Mutter-Ref im RPRO3-Namensraum
        public string? PidRaw { get; set; }      // Vater-Ref im RPRO3-Namensraum
        public DateOnly? DateOfDeath { get; set; }
        public string? CauseOfDeath { get; set; }
        public string? Defects { get; set; }     // _FEHLER
        public bool IsCastrated { get; set; }
        public int? StatusCode { get; set; }     // stamm._STATUS (RPRO3)

        // Dedup-Schlüssel (normalisiert), wird von Rpro3Dedup gesetzt.
        public string NameKey { get; set; } = "";
        public string FarbeKey { get; set; } = "";
        public string OriginKey { get; set; } = "";
    }

    public sealed class Rpro3Litter
    {
        public required int Id { get; init; }
        public string? Name { get; set; }      // _BEZ "Wurf A"
        public DateOnly? Date { get; set; }    // _AM
        public string? MotherRid { get; set; } // stamm-id als string
        public string? FatherRid { get; set; }
        public string? Notes { get; set; }     // _BEM
    }

    public sealed class Rpro3Pup
    {
        public required string Id { get; init; }  // "XjY"
        public int WurfId { get; init; }
        public string? Name { get; set; }
        public Gender Gender { get; set; }
        public DateOnly? Dob { get; set; }
        public string? Sid { get; set; }          // → stamm-id, falls als eigenes Tier behalten
        public DateOnly? DateOfDeath { get; set; }
        public string? CauseOfDeath { get; set; }
        public DateOnly? AbgabeDate { get; set; }
        public int? AbnId { get; set; }           // → abn_tb
        public decimal? Price { get; set; }
        public string? Zb { get; set; }
        public string? Defects { get; set; }
    }

    public sealed class Rpro3Contact
    {
        public required int Id { get; init; }
        public required string Namespace { get; init; }  // "herk" | "abn"
        public string? Bez { get; set; }
        public string? Anrede { get; set; }
        public string? Vname { get; set; }
        public string? Nname { get; set; }
        public string? Clan { get; set; }
        public string? Str { get; set; }
        public string? Ort { get; set; }
        public string? Plz { get; set; }
        public string? Telp { get; set; }
        public string? Teld { get; set; }
        public string? Mail { get; set; }
        public string? Http { get; set; }
        public string? Memo { get; set; }
        public string? Bem { get; set; }

        /// <summary>Anzeigename: Bezeichnung/Cattery, sonst Clan, sonst Vor+Nachname.</summary>
        public string DisplayName =>
            FirstNonEmpty(Bez, Clan, $"{Vname} {Nname}".Trim()) ?? "Unbekannt";

        private static string? FirstNonEmpty(params string?[] vals) =>
            vals.FirstOrDefault(v => !string.IsNullOrWhiteSpace(v));
    }

    public sealed class Rpro3Weight
    {
        public required string Tid { get; init; } // stamm-id (waage) bzw. wurftier-id (jungwaage)
        public DateOnly? Date { get; set; }
        public int Grams { get; set; }
        public string? Notes { get; set; }
    }

    public sealed class Rpro3Health
    {
        public required string Tid { get; init; }
        public DateOnly? Date { get; set; }
        public string? Description { get; set; }
        public string? Medication { get; set; }
    }

    public sealed class Rpro3Diary
    {
        public required string Tid { get; init; }
        public DateOnly? Date { get; set; }
        public string? Title { get; set; }
        public string? Description { get; set; }
    }

    public sealed class Rpro3PhotoSet
    {
        public required string Tid { get; init; } // stamm-id
        public List<string> FileNames { get; } = new();
    }

    /// <summary>Vollständig geparster RPRO3-Backup-Inhalt.</summary>
    public sealed class Rpro3Data
    {
        public List<Rpro3Animal> Animals { get; } = new();          // stamm + fremd
        public Dictionary<int, Rpro3Litter> Litters { get; } = new();
        public Dictionary<string, Rpro3Pup> Pups { get; } = new();
        public Dictionary<string, Rpro3Contact> HerkContacts { get; } = new();
        public Dictionary<string, Rpro3Contact> AbnContacts { get; } = new();
        public List<Rpro3Weight> Weights { get; } = new();
        public List<Rpro3Health> Health { get; } = new();
        public List<Rpro3Diary> Diary { get; } = new();
        public Dictionary<string, Rpro3PhotoSet> Photos { get; } = new();

        // Roh-Zählungen (vor Dedup) für den Report.
        public int ColorStammCount { get; set; }
        public int ColorExtCount { get; set; }

        /// <summary>Löst eine RPRO3-Ref ("N"/"uN"/"XjY") in einen Anzeigenamen auf (für Provenance/Report).</summary>
        public Func<string?, string?> ResolveName { get; set; } = _ => null;
    }
}