<?php

namespace App\Models;

use App\Lib\Helpers\FileStorageHelper;
use App\Lib\Helpers\ToolboxHelper;
use App\Traits\Models\ActivityLog;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Str;
use Laravel\Scout\Searchable;
use Uwil\Laravel\Redirections\Interfaces\RedirectableInterface;
use Uwil\Laravel\Redirections\Traits\IsRedirectable;

/**
 * @property string $title The title of the bredding news.
 * @property string $slug The slug of the bredding news.
 * @property string $subtitle The subtitle of the bredding news.
 * @property string $content The content of the bredding news.
 * @property string $picture Picture path.
 * @property string $picture_title Picture title attribute.
 * @property string $picture_alt Picture alt attribute.
 * @property \App\Models\StaticPage $static_page_id The associated static page.
 * @property int $order Order.
 * @property bool $published Bredding news publish status.
 * @property-read \Carbon\Carbon    $published_at    Bredding news published_at.
 * @property-read \Carbon\Carbon    $unpublished_at  Bredding news unpublished_at.
 * @property-read \Carbon\Carbon    $created_at      Created date.
 * @property-read \Carbon\Carbon    $updated_at      Updated date.
 */
class NewsBreeding extends Model implements RedirectableInterface
{
    use ActivityLog;
    use HasFactory;
    use IsRedirectable;
    use Searchable;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'seo_title',
        'seo_description',
        'title',
        'subtitle',
        'content',
        'slug',
        'picture',
        'picture_alt',
        'picture_title',
        'static_page_id',
        'order',
        'published',
        'publish_at',
        'unpublish_at',
    ];

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

    /**
     * Get model's setting to apply on scout search (meilisearch).
     *
     * @var array
     */
    public static $searchSettings = [
        'filterableAttributes' => ['title', 'content', 'published'],
        'sortableAttributes'   => ['title', 'content'],
    ];

    /**
     * Perform any actions required after the model boots.
     */
    protected static function booted(): void
    {
        static::creating(function (self $model) {
            self::setOrder($model);
            self::manageFields($model);
        });
        static::created(function (self $model) {
            self::resetCache($model->staticpage);
        });
        static::updating(function (self $model) {
            self::manageFields($model);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');
            self::resetCache($model->staticpage);
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            self::resetCache($model->staticpage);
        });
    }

    // * METHODS

    /**
     * Manage model fields.
     */
    private static function manageFields(self $model): void
    {
        self::assertTitleIsUnique($model->title, $model->getKey() ?? null);
        $model->slug = Str::slug($model->title);
        self::makeStatusSense($model);
        $model->picture = FileStorageHelper::storeFile($model, $model->picture, true);
    }

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

    /**
     * Adjusts breedingNews status using current status and publish dates.
     */
    private static function makeStatusSense(self $model): void
    {
        /** @var \Carbon\Carbon|null */
        $publish_at = $model->publish_at;
        /** @var \Carbon\Carbon|null */
        $unpublish_at = $model->unpublish_at;
        $wantedStatus = $model->published;
        if ($publish_at or $unpublish_at) {
            $model->published = $model->planificated_status;
        }
        if ($wantedStatus !== $model->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.'
            ));
        }
    }

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

    /**
     * Getter the current status following planification dates planificated_status.
     */
    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;
    }

    /**
     * Reset all cache elements related to this model.
     */
    private static function resetCache(StaticPage $staticPageModel): void
    {
        Cache::forget(sprintf('%sPublishedNewsBreedingOrderedByOrder', $staticPageModel->type->name));
        self::getPublishedOrderedForType($staticPageModel);
    }

    /**
     * Get all published news breeding ordered by order associated to a given static page type.
     */
    public static function getPublishedOrderedForType(
        StaticPage $staticPageModel
    ): Collection {
        return Cache::remember(
            sprintf('%sPublishedNewsBreedingOrderedByOrder', $staticPageModel->type->name),
            86400,
            fn () => self::query()
                ->whereHas('staticpage', function (Builder $query) use ($staticPageModel) {
                    $query->where('type', $staticPageModel->type);
                })
                ->where('published', true)
                ->orderBy('order')
                ->get()
        );
    }

    // * REDIRECTIONS.

    /**
     * All models it belongs to.
     *
     * @return array<string>
     */
    protected function getRouteParentModels(): array
    {
        return ['App\Models\StaticPage'];
    }

    /**
     * Get the front url of this model.
     * Should return the model.show route, with all binded elements if needed.
     */
    public function getFrontUrl(string $modelKey): string
    {
        return route('fo.breeding.article.show', [
            'breeding_static_page'    => $this->load('staticPage')->staticPage,
            'published_news_breeding' => $modelKey,
        ]);
    }

    // * RELATIONSHIPS

    /**
     * Get Breeding static page (one-to-many relationship).
     */
    public function staticPage(): BelongsTo
    {
        return $this->belongsTo(StaticPage::class);
    }
}