<?php

namespace App\Models;

use App\Enums\CookingModeEnum;
use App\Enums\DifficultyEnum;
use App\Lib\Helpers\FileStorageHelper;
use App\Lib\Helpers\ToolboxHelper;
use App\Traits\Models\HasFlashStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;

class Recipe extends Model
{
    use HasFactory;
    use HasFlashStatus;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name',
        'slug',
        'seo_title',
        'seo_description',
        'picture',
        'picture_alt',
        'picture_title',
        'sticker',
        'sticker_alt',
        'sticker_title',
        'youtube_video_id',
        'description',
        'preparation',
        'ingredients',
        'portions',
        'difficulty',
        'cooking_mode',
        'cooking_time',
        'preparation_time',
        'status',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array
     */
    protected $casts = [
        'ingredients' => 'array',
        'status' => 'bool',
        'cooking_mode' => CookingModeEnum::class,
        'difficulty' => DifficultyEnum::class
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        // * EVENT CLOSURES.
        static::creating(function (self $model) {
            static::assertFieldIsUnique('name', $model->name);
            self::manageFields($model);
        });
        static::created(function (self $model) {
            self::flashStatus($model);
        });
        static::updating(function (self $model) {
            static::assertFieldIsUnique('name', $model->name, $model->id);
            self::manageFields($model);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');
            FileStorageHelper::removeOldFile($model, 'sticker');
            self::flashStatus($model, true);
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            FileStorageHelper::removeFile($model, 'sticker');
        });
    }

    // * METHODS

    /**
     * Manage fields on this model event.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @return void
     */
    private static function manageFields(Model $model)
    {
        // * ASSERTIONS
        ToolboxHelper::assertNoInternalBoUrls('description', $model->description);
        ToolboxHelper::assertNoInternalBoUrls('preparation', $model->preparation ?? '');

        if ($model->youtube_video_id) {
            ToolboxHelper::assertNoInternalBoUrls('youtube_video_id', $model->youtube_video_id);
            $model->youtube_video_id = clean($model->youtube_video_id);
        }

        // * TRANSFORMATIONS
        $model->slug    = Str::slug($model->name);
        $model->picture = FileStorageHelper::storeFile($model, $model->picture, true);
        $model->sticker = FileStorageHelper::storeFile($model, $model->sticker, true);
    }

    /**
     * Asserts using validation that the field is unique.
     *
     * @param string       $nameField
     * @param string       $valueField
     * @param integer|null $id
     * @return void
     */
    private static function assertFieldIsUnique(string $nameField, string $valueField, ?int $id = null)
    {
        $table = (new self())->getTable();
        ToolboxHelper::assertFieldIsUnique($table, $nameField, $valueField, $id);
    }

    /**
     * Convert database value (in minutes) to string "nnnH nnnM".

     * @return string Text formated "nnnH nnnM".
     */
    public function getCookingTimeLabelAttribute(): string
    {
        return self::convertMinutesToHourMinutes($this->cooking_time);
    }

    /**
     * Convert database value (in minutes) to string "nnnH nnnM".
     *
     * @return string Text formated "nnnH nnnM".
     */
    public function getPreparationTimeLabelAttribute(): string
    {
        return self::convertMinutesToHourMinutes($this->preparation_time);
    }

    /**
     * Convert minutes to hour minutes string
     *
     * @param integer $minutes
     * @return string
     */
    private static function convertMinutesToHourMinutes(int $minutes): string
    {
        $nbHours   = \intval($minutes / 60);
        $nbMinutes = $minutes % 60;
        return "{$nbHours}H {$nbMinutes}M";
    }

    // * RELATIONSHIPS

    /**
     * BelongsToMany recipes
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function recipes()
    {
        return $this->belongsToMany(Recipe::class, 'recipe_recipe', 'recipe_id', 'associated_recipe_id');
    }

    /**
     * Get products for the recipe.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function products()
    {
        return $this->belongsToMany(Product::class, 'recipe_product');
    }
}