<?php

namespace App\Models;

use App\Enums\Advices\AdviceTypeEnum;
use App\Enums\Advices\AdviceDifficultyEnum;
use App\Lib\Helpers\FileStorageHelper;
use App\Lib\Helpers\ToolboxHelper;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Support\Str;
use Illuminate\Validation\ValidationException;
use Kwaadpepper\Enum\Traits\CastsEnums;

class Advice extends Authenticatable
{
    use CastsEnums;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'title',
        'slug',
        'seo_title',
        'seo_description',
        'type',
        'picture',
        'picture_alt',
        'picture_title',
        'sticker',
        'sticker_alt',
        'sticker_title',
        'sticker_sm',
        'sticker_sm_alt',
        'sticker_sm_title',
        'preparation',
        'advice',
        'ingredients',
        'guests_nb',
        'youtube_title',
        'youtube_video_id',
        'cooking_time',
        'preparation_time',
        'difficulty',
        'status'
    ];

    /**
     * Map attribute names to enum classes.
     *
     * @var array
     */
    protected $enumCasts = [
        'type' => AdviceTypeEnum::class,
        'difficulty' => AdviceDifficultyEnum::class
    ];

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

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        static::creating(function (self $model) {
            self::manageFields($model);
        });
        static::updating(function (self $model) {
            self::manageFields($model);
            self::assertLimitProducts($model);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');
            FileStorageHelper::removeOldFile($model, 'sticker');
            FileStorageHelper::removeOldFile($model, 'sticker_sm');
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            FileStorageHelper::removeFile($model, 'sticker');
            FileStorageHelper::removeFile($model, 'sticker_sm');
        });
    }

    // * METHODS

    /**
     * Manage fields on this model event.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @return void
     */
    private static function manageFields(Model $model)
    {
        self::assertTitleIsUnique($model->title, $model->id);
        $model->slug = Str::slug($model->title);

        self::assertLimitAdvices($model->advices()->count());
        self::assertLimitTags($model->tags()->count());

        self::setCookingtimePreparationtimeValues($model);

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

        $model->preparation = clean($model->preparation);
        $model->advice      = clean($model->advice);

        $model->picture    = FileStorageHelper::storeFile($model, $model->picture);
        $model->sticker    = FileStorageHelper::storeFile($model, $model->sticker);
        $model->sticker_sm = FileStorageHelper::storeFile($model, $model->sticker_sm);
    }

    /**
     * Limit tags associated.
     *
     * @param integer $nbTagsInBdd
     * @return void
     * @throws \Illuminate\Validation\ValidationException Error exception.
     */
    private static function assertLimitTags(int $nbTagsInBdd)
    {
        if ($nbTagsInBdd > 2) {
            throw ValidationException::withMessages([
                'Vous devez associer au maximum 2 tags.'
            ]);
        }
    }

    /**
     * Limit advices associated.
     *
     * @param integer $nbAdvicesInBdd
     * @return void
     * @throws \Illuminate\Validation\ValidationException Error exception.
     */
    private static function assertLimitAdvices(int $nbAdvicesInBdd)
    {
        if ($nbAdvicesInBdd > 6) {
            throw ValidationException::withMessages([
                'Vous devez associer au maximum 6 conseils.'
            ]);
        }
    }

    /**
     * Limit products associated.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @return void
     * @throws \Illuminate\Validation\ValidationException Error exception.
     */
    private static function assertLimitProducts(Model $model)
    {
        $nbProductsInBdd = $model->products()->count();
        if ($model->type->value == AdviceTypeEnum::recipes()->value) {
            if ($nbProductsInBdd < 1 || $nbProductsInBdd > 3) {
                throw ValidationException::withMessages([
                    'Vous devez associer 1 à 3 produits.'
                ]);
            }
        } elseif ($model->type->value == AdviceTypeEnum::tips()->value) {
            if ($nbProductsInBdd > 3) {
                throw ValidationException::withMessages([
                    'Vous devez associer au maximum 3 produits.'
                ]);
            }
        }
    }

    /**
     * Asserts using validation that the title is unique.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @return void
     */
    private static function setCookingtimePreparationtimeValues(Model $model)
    {
        if ($model->type->value != AdviceTypeEnum::recipes()->value) {
            $model->cooking_time     = null;
            $model->preparation_time = null;
        }
    }

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

    /**
     * Get associated advices
     *
     * @return \Illuminate\Database\Eloquent\Collection<\App\Models\Advice>
     */
    public function recipes(): Collection
    {
        return $this->advices()->where('type', AdviceTypeEnum::recipes())->get();
    }

    /**
     * Get associated tips
     *
     * @return \Illuminate\Database\Eloquent\Collection<\App\Models\Advice>
     */
    public function tips(): Collection
    {
        return $this->advices()->where('type', AdviceTypeEnum::tips())->get();
    }

    // * RELATIONSHIPS

    /**
     * BelongsToMany advices
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function advices()
    {
        return $this->belongsToMany(Advice::class, 'advice_advice', 'advice_id', 'advice_related_id');
    }

    /**
     * BelongsToMany products
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function products()
    {
        return $this->belongsToMany(Product::class);
    }

    /**
     * MorphToMany Tags
     *
     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
     */
    public function tags()
    {
        return $this->morphToMany(Tag::class, 'taggable');
    }
}