using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;

namespace QuestionsApi.Models;

public static class QuestionReportCategory
{
    public const string Clarity = "clarity";
    public const string MedicalAccuracy = "medical_accuracy";
    public const string AnswerExplanation = "answer_explanation";
    public const string FormattingMedia = "formatting_media";
    public const string TechnicalIssue = "technical_issue";
    public const string Other = "other";

    public static readonly HashSet<string> All =
    [
        Clarity,
        MedicalAccuracy,
        AnswerExplanation,
        FormattingMedia,
        TechnicalIssue,
        Other
    ];
}

public static class QuestionReportStatus
{
    public const string Open = "open";
    public const string Resolved = "resolved";
    public const string Dismissed = "dismissed";

    public static readonly HashSet<string> Terminal = [Resolved, Dismissed];
}

public class QuestionReport
{
    [BsonId]
    [BsonRepresentation(BsonType.ObjectId)]
    public string? Id { get; set; }

    public string QuestionExternalId { get; set; } = "";
    public string QuestionMongoId { get; set; } = "";
    public string UserId { get; set; } = "";
    public string Category { get; set; } = "";
    public string Details { get; set; } = "";
    public string Status { get; set; } = QuestionReportStatus.Open;
    public QuestionReportSnapshot QuestionSnapshot { get; set; } = new();
    public string ReviewedByUserId { get; set; } = "";
    public string ReviewerNote { get; set; } = "";
    public DateTime? ReviewedUtc { get; set; }
    public DateTime CreatedUtc { get; set; } = DateTime.UtcNow;
    public DateTime UpdatedUtc { get; set; } = DateTime.UtcNow;
}

public class QuestionReportSnapshot
{
    public string Stem { get; set; } = "";
    public string LeadIn { get; set; } = "";
    public List<QuestionChoice> Choices { get; set; } = [];
    public string CorrectChoiceId { get; set; } = "";
    public string Explanation { get; set; } = "";
    public string KeyTakeaway { get; set; } = "";
    public string UsmlePearl { get; set; } = "";
    public List<QuestionReviewFollowup> ReviewFollowups { get; set; } = [];
    public Dictionary<string, string> ChoiceExplanations { get; set; } = [];
    public Dictionary<string, WrongAnswerFollowup> WrongAnswerFollowups { get; set; } = [];
    public List<QuestionLab> Labs { get; set; } = [];
    public List<string> Media { get; set; } = [];
}

public class CreateQuestionReportRequest
{
    public string QuestionExternalId { get; set; } = "";
    public string Category { get; set; } = "";
    public string Details { get; set; } = "";
}

public class CreateQuestionReportResponse
{
    public string Id { get; set; } = "";
    public string QuestionExternalId { get; set; } = "";
    public string Category { get; set; } = "";
    public string Status { get; set; } = QuestionReportStatus.Open;
    public DateTime CreatedUtc { get; set; }
}

public class UpdateQuestionReportStatusRequest
{
    public string Status { get; set; } = "";
    public string ReviewerNote { get; set; } = "";
}

public class QuestionReportListResponse
{
    public List<QuestionReport> Items { get; set; } = [];
    public long Total { get; set; }
    public int Skip { get; set; }
    public int Limit { get; set; }
}