using Flashsharp.Auth;
using Flashsharp.Data;
using Flashsharp.Domain;
using Microsoft.AspNetCore.Mvc.RazorPages;

namespace Flashsharp.Pages;

public sealed class SearchModel(Store store) : PageModel
{
    public string? Q { get; private set; }

    public string? Tag { get; private set; }

    public long? CourseId { get; private set; }

    public long? LessonId { get; private set; }

    public long? DeckId { get; private set; }

    public string? ScopeName { get; private set; }

    public IReadOnlyList<CardRef> Results { get; private set; } = [];

    public async Task OnGetAsync(
        string? q,
        string? tag,
        long? courseId,
        long? lessonId,
        long? deckId,
        CancellationToken cancellationToken)
    {
        Q = q?.Trim();
        Tag = tag?.Trim();
        CourseId = courseId > 0 ? courseId : null;
        LessonId = lessonId > 0 ? lessonId : null;
        DeckId = deckId > 0 ? deckId : null;

        if (DeckId is not null)
        {
            var deck = await store.GetDeckContextAsync(DeckId.Value, cancellationToken);
            ScopeName = deck is null ? null : $"{deck.CourseName} / {deck.LessonName} / {deck.Name}";
        }
        else if (LessonId is not null)
        {
            var lesson = await store.GetLessonAsync(LessonId.Value, User.GetUserId(), cancellationToken);
            ScopeName = lesson?.Name;
        }
        else if (CourseId is not null)
        {
            var course = await store.GetCourseAsync(CourseId.Value, User.GetUserId(), cancellationToken);
            ScopeName = course?.Name;
        }

        Results = await store.SearchCardsAsync(
            Q,
            CourseId,
            LessonId,
            DeckId,
            Tag,
            50,
            cancellationToken);
    }
}