namespace QuestionsApi.Models;

public sealed class DashboardResponse
{
    public int QuestionBankRating { get; set; } = 1000;
    public int RatedQuestionCount { get; set; }
    public int CcsRating { get; set; } = 1000;
    public int RatedCcsCaseCount { get; set; }
    public int QuestionsCompleted { get; set; }
    public int CcsCasesCompleted { get; set; }
    public int FirstAttemptAccuracy { get; set; }
    public int AccuracySampleSize { get; set; }
    public int? AccuracyDeltaVsPreviousSample { get; set; }
    public int? QuestionBankRatingDeltaThisWeek { get; set; }
    public int? QuestionBankPercentile { get; set; }
    public int? CcsRatingDeltaThisWeek { get; set; }
    public int? CcsPercentile { get; set; }
    public string? ExamReadinessLabel { get; set; }
    public int? ExamReadinessProjectedPassPercent { get; set; }
    public int QuestionsThisWeek { get; set; }
    public int StudyTimeSecondsThisWeek { get; set; }
    public int CurrentStreak { get; set; }
    public int MissedQuestionCount { get; set; }
    public int DynamicReviewsDue { get; set; }
    public int BookmarkCount { get; set; }
    public int NoteCount { get; set; }
    public int FlashcardsDue { get; set; }
    public int FlashcardsNewAvailable { get; set; }
    public int FlashcardsReviewedThisWeek { get; set; }
    public List<DashboardTrendPoint> PerformanceTrend { get; set; } = [];
    public List<DashboardSystemPerformance> Systems { get; set; } = [];
    public List<DashboardActivityDay> WeeklyActivity { get; set; } = [];
    public List<DashboardRecentActivity> RecentActivity { get; set; } = [];
}

public sealed class DashboardTrendPoint
{
    public DateTime DateUtc { get; set; }
    public int Correct { get; set; }
    public int Total { get; set; }
    public int Accuracy { get; set; }
    public int? QuestionBankRating { get; set; }
    public int? CcsRating { get; set; }
}

public sealed class DashboardSystemPerformance
{
    public string System { get; set; } = "General";
    public int Correct { get; set; }
    public int Total { get; set; }
    public int Accuracy { get; set; }
    public int MasteryScore { get; set; }
    public string MasteryState { get; set; } = MasteryStates.Unseen;
    public int DistinctQuestions { get; set; }
    public int Difficulty4PlusSuccessful { get; set; }
    public int PendingReviews { get; set; }
    public DateTime? LastEvidenceUtc { get; set; }
    public bool RefreshDue { get; set; }
    public DashboardMasteryAction RecommendedAction { get; set; } = new();
}

public static class MasteryStates
{
    public const string Unseen = "unseen";
    public const string Learning = "learning";
    public const string Practicing = "practicing";
    public const string Strong = "strong";
    public const string Mastered = "mastered";
}

public sealed class DashboardMasteryAction
{
    public string Type { get; set; } = "practice";
    public string Label { get; set; } = "Start learning";
    public int QuestionCount { get; set; } = 10;
    public int? DifficultyMin { get; set; }
    public int? DifficultyMax { get; set; }
}

public sealed class DashboardActivityDay
{
    public DateTime DateUtc { get; set; }
    public int Questions { get; set; }
    public int CcsCases { get; set; }
    public int StudyTimeSeconds { get; set; }
}

public sealed class DashboardRecentActivity
{
    public string Type { get; set; } = "question";
    public string Title { get; set; } = "";
    public string Detail { get; set; } = "";
    public DateTime OccurredUtc { get; set; }
    public string Route { get; set; } = "";
}