<?php

declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

class AcademyLesson extends Model
{
    use SoftDeletes;

    protected static function booted(): void
    {
        static::deleting(function (self $lesson): void {
            $lesson->blocks()->with('comparisonResults')->get()->each(function (AcademyLessonBlock $block) use ($lesson): void {
                if ($lesson->isForceDeleting()) {
                    $block->forceDelete();

                    return;
                }

                $block->delete();
            });
        });
    }

    protected $fillable = [
        'category_id',
        'title',
        'slug',
        'excerpt',
        'content',
        'difficulty',
        'access_level',
        'lesson_type',
        'cover_image',
        'video_url',
        'reading_minutes',
        'featured',
        'active',
        'published_at',
        'seo_title',
        'seo_description',
    ];

    protected $casts = [
        'reading_minutes' => 'integer',
        'featured' => 'boolean',
        'active' => 'boolean',
        'published_at' => 'datetime',
    ];

    public function scopeActive(Builder $query): Builder
    {
        return $query->where('active', true);
    }

    public function scopePublished(Builder $query): Builder
    {
        return $query->whereNotNull('published_at')->where('published_at', '<=', now());
    }

    public function category(): BelongsTo
    {
        return $this->belongsTo(AcademyCategory::class, 'category_id');
    }

    public function progress(): HasMany
    {
        return $this->hasMany(AcademyLessonProgress::class, 'lesson_id');
    }

    public function blocks(): HasMany
    {
        return $this->hasMany(AcademyLessonBlock::class, 'lesson_id')
            ->orderBy('sort_order')
            ->orderBy('id');
    }

    public function activeBlocks(): HasMany
    {
        return $this->blocks()->where('active', true);
    }
}