using System.ComponentModel.DataAnnotations;

namespace JobsMedical.Web.Models;

/// <summary>
/// Staging area for shift listings aggregated from Telegram / Bale / Divar channels.
/// An admin reviews and normalizes these into real <see cref="Shift"/> records.
/// This is how we beat the cold-start problem.
/// </summary>
public class RawListing
{
    public int Id { get; set; }

    [MaxLength(200)]
    public string SourceChannel { get; set; } = "";  // نام کانال/منبع

    [Required]
    public string RawText { get; set; } = "";         // متن خام آگهی

    public string? ParsedJson { get; set; }           // نتیجه‌ی تجزیه‌ی خودکار (در صورت وجود)

    public RawListingStatus Status { get; set; } = RawListingStatus.New;

    public int? LinkedShiftId { get; set; }           // شیفت ساخته‌شده از این آگهی
    public Shift? LinkedShift { get; set; }

    public int? LinkedTalentId { get; set; }          // آگهی «آماده به کار» ساخته‌شده از این متن
    public TalentListing? LinkedTalent { get; set; }

    [MaxLength(500)]
    public string? SourceUrl { get; set; }

    /// <summary>Approximate coordinates harvested from the source (e.g. Divar's fuzzed map center).
    /// Carried through the review queue so a manual publish can still place the facility on the map.</summary>
    public double? Lat { get; set; }
    public double? Lng { get; set; }

    /// <summary>SHA-256 of the normalized text — used to dedupe across ingestion runs.</summary>
    [MaxLength(64)]
    public string? ContentHash { get; set; }

    /// <summary>Parser+validator confidence 0–100 (how complete/usable the listing looks).</summary>
    public int Confidence { get; set; }

    /// <summary>Human-readable validation findings (missing fields, spam flags, etc.).</summary>
    [MaxLength(1000)]
    public string? ValidationNotes { get; set; }

    public DateTime FetchedAt { get; set; } = DateTime.UtcNow;
}