<?php

namespace App\Models;

use App\Lib\Helpers\FileStorageHelper;
use App\Traits\Models\ActivityLog;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Cache;

/**
 * @property string                          $title           Slide title.
 * @property string                          $text            Slide picture.
 * @property string                          $picture         Slide picture.
 * @property string                          $picture_alt     Slide alt attribute.
 * @property string                          $picture_title   Slide title attribute.
 * @property string|null                     $button_1_text   Slide button n°1 text.
 * @property string|null                     $button_1_url    Slide button n°1 url.
 * @property string|null                     $button_2_text   Slide button n°2 text.
 * @property string|null                     $button_2_url    Slide button n°2 url.
 * @property integer                         $order           Slide order.
 * @property boolean                         $button_1_status Slide button n°1 publish status.
 * @property boolean                         $button_1_target Slide button n°1 target.
 * @property boolean                         $button_2_status Slide button n°2 publish status.
 * @property boolean                         $button_2_target Slide button n°2 target.
 * @property boolean                         $published       Slide publish status.
 * @property-read \Illuminate\Support\Carbon $published_at    Slide published_at.
 * @property-read \Illuminate\Support\Carbon $unpublished_at  Slide unpublished_at.
 * @property-read \Illuminate\Support\Carbon $created_at      Created date.
 * @property-read \Illuminate\Support\Carbon $updated_at      Updated date.
 */
class DemarcheSlide extends Model
{
    use ActivityLog;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'title',
        'text',
        'picture',
        'picture_alt',
        'picture_title',
        'button_1_status',
        'button_1_text',
        'button_1_url',
        'button_1_target',
        'button_2_status',
        'button_2_text',
        'button_2_url',
        'button_2_target',
        'order',
        'published',
        'publish_at',
        'unpublish_at',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'button_1_status' => 'boolean',
        'button_1_target' => 'boolean',
        'button_2_status' => 'boolean',
        'button_2_target' => 'boolean',
        'publish_at'      => 'datetime',
        'unpublish_at'    => 'datetime',
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted(): void
    {
        static::creating(function (self $demarcheSlide) {
            self::setOrder($demarcheSlide);
            self::makeStatusSense($demarcheSlide);
            self::setButtons($demarcheSlide);
            $demarcheSlide->picture = FileStorageHelper::storeFile($demarcheSlide, $demarcheSlide->picture, true);
        });
        static::created(function () {
            self::resetCache();
        });
        static::updating(function (self $demarcheSlide) {
            self::makeStatusSense($demarcheSlide);
            self::setButtons($demarcheSlide);
            $demarcheSlide->picture = FileStorageHelper::storeFile($demarcheSlide, $demarcheSlide->picture, true);
        });
        static::updated(function (self $demarcheSlide) {
            FileStorageHelper::removeOldFile($demarcheSlide, 'picture');
            self::resetCache();
        });
        static::deleted(function (self $demarcheSlide) {
            FileStorageHelper::removeFile($demarcheSlide, 'picture');
            self::resetCache();
        });
    }

    // * METHODS

    /**
     * Set model's published date.
     *
     * @param self $demarcheSlide
     * @return void
     */
    private static function setButtons(self $demarcheSlide): void
    {
        if (!$demarcheSlide->button_1_status) {
            $demarcheSlide->button_1_text   = null;
            $demarcheSlide->button_1_url    = null;
            $demarcheSlide->button_1_target = false;
        }
        if (!$demarcheSlide->button_2_status) {
            $demarcheSlide->button_2_text   = null;
            $demarcheSlide->button_2_url    = null;
            $demarcheSlide->button_2_target = false;
        }
    }

    /**
     * Adjusts demarcheSlide status using current status and publish dates
     *
     * @param self $demarcheSlide
     * @return void
     */
    private static function makeStatusSense(self $demarcheSlide): void
    {
        /** @var \Carbon\Carbon|null */
        $publish_at = $demarcheSlide->publish_at;
        /** @var \Carbon\Carbon|null */
        $unpublish_at = $demarcheSlide->unpublish_at;
        $wantedStatus = $demarcheSlide->published;
        if ($publish_at or $unpublish_at) {
            $demarcheSlide->published = $demarcheSlide->planificated_status;
        }
        if ($wantedStatus !== $demarcheSlide->published) {
            session()->flash('bo.info', \trans(
                'La publication est modifiée en concordance avec les dates enregistrées.
                Pour modifier l\'état de publication, veuillez modifier ou enlever les dates correspondantes.'
            ));
        }
    }

    /**
     * Getter the current status following planification dates planificated_status
     *
     * @return boolean
     */
    public function getPlanificatedStatusAttribute(): bool
    {
        /** @var \Carbon\Carbon|null */
        $publish_at = $this->publish_at;
        /** @var \Carbon\Carbon|null */
        $unpublish_at = $this->unpublish_at;
        if ($publish_at and $unpublish_at) {
            return $unpublish_at->greaterThanOrEqualTo(now()) and $publish_at->lessThan(now());
        }
        if ($publish_at) {
            return $publish_at->lessThan(now());
        }
        if ($unpublish_at) {
            return $unpublish_at->greaterThanOrEqualTo(now());
        }
        return false;
    }

    /**
     * Set model's order after the last element of the list.
     *
     * @param self $demarcheSlide
     * @return void
     */
    private static function setOrder(self $demarcheSlide): void
    {
        $demarcheSlide->order = \intval(self::query()->max('order')) + 1;
    }

    /**
     * Reset all cache elements related to this model.
     *
     * @return void
     */
    private static function resetCache(): void
    {
        Cache::forget('publishedDemarcheSlidesOrderedByOrder');
        self::getPublishedOrdered();
    }

    /**
     * Get all published demarche slides ordered by order.
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function getPublishedOrdered(): \Illuminate\Database\Eloquent\Collection
    {
        return Cache::rememberForever('publishedDemarcheSlidesOrderedByOrder', function () {
            return self::query()
                ->where('published', true)
                ->orderBy('order')
                ->get();
        });
    }
}