<?php

namespace App\Models;

use App\Enums\Products\ProductLabelEnum;
use App\Lib\ToolboxHelper;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Validation\ValidationException;
use Illuminate\Support\Str;

class Product extends Model
{
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'title',
        'slug',
        'seo_title',
        'seo_description',
        'description',
        'picture',
        'picture_title',
        'picture_alt',
        'picture_thumb',
        'picture_thumb_title',
        'picture_thumb_alt',
        'labels',
        'ingredients',
        'preparation_advices',
        'sales_pitch',
        'allergen_list',
        'number_portion',
        'status',
        'publish_at',
        'unpublish_at',
        'range_id',
        'show_ingredients',
        'show_preparation_advices',
        'show_sales_pitch',
        'show_allergen_list',
        'show_nutrionnal_values',
        'show_portions'
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array
     */
    protected $casts = [
        'labels' => 'array',
        'status' => 'bool',
        'show_ingredients' => 'bool',
        'show_preparation_advices' => 'bool',
        'show_sales_pitch' => 'bool',
        'show_allergen_list' => 'bool',
        'show_nutrionnal_values' => 'bool',
        'publish_at' => 'datetime',
        'unpublish_at' => 'datetime'
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        static::creating(function (self $model) {
            static::assertTitleIsUnique($model->title);
            self::validateLabels($model->labels);
            $model->slug = Str::slug($model->title);
            ToolboxHelper::assertNoInternalBoUrls('description', $model->description);
            ToolboxHelper::assertNoInternalBoUrls('ingredients', $model->ingredients);
            ToolboxHelper::assertNoInternalBoUrls('preparation_advices', $model->preparation_advices);
            ToolboxHelper::assertNoInternalBoUrls('sales_pitch', $model->sales_pitch);
            ToolboxHelper::assertNoInternalBoUrls('allergen_list', $model->allergen_list);
            $model->slug                = Str::slug($model->title);
            $model->description         = clean($model->description);
            $model->ingredients         = clean($model->ingredients);
            $model->preparation_advices = clean($model->preparation_advices);
            $model->sales_pitch         = clean($model->sales_pitch);
            $model->allergen_list       = clean($model->allergen_list);
            $model->picture             = ToolboxHelper::storeImage($model, $model->picture);
            $model->picture_thumb       = ToolboxHelper::storeImage($model, $model->picture_thumb);
            if (!$model->status) {
                $model->publish_at = null;
            } else {
                $model->unpublish_at = null;
            }
        });
        static::updating(function (self $model) {
            static::assertTitleIsUnique($model->title, $model->id);
            self::validateLabels($model->labels);
            $model->slug = Str::slug($model->title);
            ToolboxHelper::assertNoInternalBoUrls('description', $model->description);
            ToolboxHelper::assertNoInternalBoUrls('ingredients', $model->ingredients);
            ToolboxHelper::assertNoInternalBoUrls('preparation_advices', $model->preparation_advices);
            ToolboxHelper::assertNoInternalBoUrls('sales_pitch', $model->sales_pitch);
            ToolboxHelper::assertNoInternalBoUrls('allergen_list', $model->allergen_list);
            $model->slug                = Str::slug($model->title);
            $model->description         = clean($model->description);
            $model->ingredients         = clean($model->ingredients);
            $model->preparation_advices = clean($model->preparation_advices);
            $model->sales_pitch         = clean($model->sales_pitch);
            $model->allergen_list       = clean($model->allergen_list);
            // * Store new picture if changed
            if ($model->picture != $model->getOriginal('picture')) {
                $model->picture = ToolboxHelper::storeImage($model, $model->picture);
            }
            // * Store new picture_thumb if changed
            if ($model->picture_thumb != $model->getOriginal('picture_thumb')) {
                $model->picture_thumb = ToolboxHelper::storeImage($model, $model->picture_thumb);
            }
        });
        static::updated(function (self $model) {
            ToolboxHelper::removeUnusedImagesOnCkEditor($model, 'description');
            ToolboxHelper::removeUnusedImagesOnCkEditor($model, 'ingredients');
            ToolboxHelper::removeUnusedImagesOnCkEditor($model, 'preparation_advices');
            ToolboxHelper::removeUnusedImagesOnCkEditor($model, 'sales_pitch');
            ToolboxHelper::removeUnusedImagesOnCkEditor($model, 'allergen_list');
            if ($model->picture != $model->getOriginal('picture')) {
                $model->picture = ToolboxHelper::removeOldImage($model, 'picture');
            }
        });
        static::deleting(function (self $model) {
            ToolboxHelper::removeImage($model, 'picture');
            ToolboxHelper::removeImage($model, 'picture_thumb');
            ToolboxHelper::removeImagesOnCkEditor($model, 'description');
            ToolboxHelper::removeImagesOnCkEditor($model, 'ingredients');
            ToolboxHelper::removeImagesOnCkEditor($model, 'preparation_advices');
            ToolboxHelper::removeImagesOnCkEditor($model, 'sales_pitch');
            ToolboxHelper::removeImagesOnCkEditor($model, 'allergen_list');
        });
    }

    // * RELATIONSHIPS

    /**
     * HasOne incoNutritionalValue relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasOne
     */
    public function incoNutritionalValues()
    {
        return $this->hasOne(IncoNutritionalValue::class);
    }

    /**
     * BelongsTo range relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function range()
    {
        return $this->belongsTo(Range::class);
    }

    // * METHODS

    /**
     * Asserts using validation that the title is unique
     *
     * @param mixed        $title
     * @param integer|null $id
     * @return void
     * @throws \Illuminate\Validation\ValidationException If an actu title already exists.
     */
    private static function assertTitleIsUnique($title, ?int $id = null)
    {
        $table = (new self())->getTable();
        ToolboxHelper::assertFieldIsUnique($table, 'title', $title, $id);
        ToolboxHelper::assertFieldIsUnique($table, 'slug', Str::slug($title), $id);
    }

    /**
     *
     * @param array $labels
     * @return void
     * @throws \Illuminate\Validation\ValidationException If a label is invalid.
     */
    private static function validateLabels(array $labels)
    {
        collect($labels)->map(function ($label) {
            if (!\is_object($label) or !($label instanceof ProductLabelEnum)) {
                if (
                    !\is_array($label) or
                    !\array_key_exists('value', $label) or
                    !\in_array($label['value'], ProductLabelEnum::toValues())
                ) {
                    throw ValidationException::withMessages([
                        'labels' => 'Invalid label given'
                    ]);
                }
            }
        });
    }
}