using System.ComponentModel.DataAnnotations;
using Tiku.Application.Learning;

namespace Tiku.Api.Contracts;

public sealed class LearningLimitQueryDto
{
    [Range(1, 500)]
    public int? Limit { get; set; }

    [StringLength(50)]
    public string? Status { get; set; }

    public Guid? UnitId { get; set; }

    public LearningLimitFilter ToFilter()
    {
        return new LearningLimitFilter(Limit, Status, UnitId);
    }
}

public sealed class SubmitAnswerDto
{
    [Required]
    public Guid QuestionId { get; set; }

    public Guid? PracticeSessionId { get; set; }

    public IReadOnlyCollection<string>? SelectedOptions { get; set; }

    [StringLength(10000)]
    public string? AnswerText { get; set; }

    public bool? SelfJudgedCorrect { get; set; }

    public SubmitAnswerCommand ToCommand()
    {
        return new SubmitAnswerCommand(
            QuestionId,
            PracticeSessionId,
            SelectedOptions,
            AnswerText,
            SelfJudgedCorrect);
    }
}

public sealed class QuestionActionDto
{
    [Required]
    public Guid QuestionId { get; set; }

    public bool? Favorite { get; set; }

    public QuestionActionCommand ToCommand()
    {
        return new QuestionActionCommand(QuestionId, Favorite);
    }
}

public sealed class WordProgressDto
{
    [Required]
    public Guid WordId { get; set; }

    [StringLength(50)]
    public string? Status { get; set; }

    [Range(0, 100)]
    public int? CorrectDelta { get; set; }

    [Range(0, 100)]
    public int? WrongDelta { get; set; }

    public DateTimeOffset? NextReviewAt { get; set; }

    public WordProgressCommand ToCommand()
    {
        return new WordProgressCommand(
            WordId,
            Status,
            CorrectDelta,
            WrongDelta,
            NextReviewAt);
    }
}

public sealed class FavoriteWordDto
{
    [Required]
    public Guid WordId { get; set; }

    public bool? Favorite { get; set; }

    [StringLength(1000)]
    public string? Note { get; set; }

    public FavoriteWordCommand ToCommand()
    {
        return new FavoriteWordCommand(WordId, Favorite, Note);
    }
}