<?php

namespace App\Models;

use App\Enums\StaticPageType;
use App\Lib\Helpers\FileStorageHelper;
use App\Lib\Helpers\ToolboxHelper;
use App\Traits\Models\ActivityLog;
use App\Traits\Models\MiniCrudModel;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Str;
use Spatie\SchemaOrg\Schema;
use Spatie\SchemaOrg\WebPage;
use Uwil\Laravel\Redirections\Interfaces\RedirectableInterface;
use Uwil\Laravel\Redirections\Traits\IsRedirectable;
use Uwil\SchemaOrg\Laravel\Interfaces\SchemaOrgInterface;
use Uwil\SchemaOrg\Laravel\Traits\SchemaOrgTrait;

/**
 * @property \App\Enums\StaticPageType $type Page type (StaticPageEnum).
 * @property string $seo_title Seo title about 70 chars as recommended.
 * @property string $seo_description Seo description about 160 chars as recommended.
 * @property string|null $title Title for the page.
 * @property string|null $subtitle The subtitle for the static page.
 * @property string $slug Slug of the title for the page.
 * @property string|null $content WYSIWYG text content using ckeditor.
 * @property string|null $picture Picture path.
 * @property string|null $picture_alt Picture alt.
 * @property string|null $picture_title Picture title.
 * @property array<string, array<string, mixed>> $data Static page json data.
 * @property-read \Illuminate\Support\Carbon $created_at          Created date.
 * @property-read \Illuminate\Support\Carbon $updated_at          Updated date.
 */
class StaticPage extends Model implements RedirectableInterface, SchemaOrgInterface
{
    use ActivityLog;
    use HasFactory;
    use IsRedirectable;
    use MiniCrudModel;
    use SchemaOrgTrait;

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

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'type' => StaticPageType::class,
        'data' => 'object',
    ];

    /**
     * Perform any actions required after the model boots.
     */
    protected static function booted(): void
    {
        static::creating(function () {
            throw new \RuntimeException('Creating a new page is not authorized');
        });
        static::updating(function (self $model) {
            self::assertSeoTitleIsUnique($model->seo_title, $model->getKey());
            self::assertTitleIsUnique($model->title, $model->getKey());
            $model->slug = Str::slug($model->title ?? $model->seo_title ?? Str::random(20));
            if (! is_null($model->picture)) {
                $model->picture = FileStorageHelper::storeFile($model, $model->picture, true);
            }
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');

            self::resetCache($model->type);
        });
        static::deleted(function () {
            throw new \RuntimeException('Deleting a page is not authorized');
        });
    }

    // * ROUTABLE

    /**
     * Get the value of the model's route key.
     */
    public function getRouteKey(): mixed
    {
        /** @var \App\Enums\StaticPageType */
        $enum = $this->getAttribute($this->getRouteKeyName());

        return $enum->value();
    }

    /**
     * Get the route key for the model.
     *
     * ! Type is the routable parameter
     */
    public function getRouteKeyName(): string
    {
        return 'type';
    }

    // * METHODS

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

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

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

        // Breeding pages.
        Cache::forget('breedingStaticPages');
        self::getCachedBreedingStaticPages();
    }

    /**
     * Get cached static page associated to a given type.
     */
    public static function getCachedStaticPage(StaticPageType $type): StaticPage
    {
        return Cache::remember(
            sprintf('%sStaticPage', $type->name),
            86400,
            fn () => self::query()->where('type', $type)->firstOrFail()
        );
    }

    /**
     * Get cached static pages associated to all breeding types.
     */
    public static function getCachedBreedingStaticPages(): Collection
    {
        return Cache::remember(
            'breedingStaticPages',
            86400,
            fn () => self::query()->whereIn('type', StaticPageType::getBreedingPages())->get()
        );
    }

    /**
     * Get cached static pages associated to all commitmments types.
     */
    public static function getCachedCommitmentsStaticPages(): ?Collection
    {
        $orderedTypes = StaticPageType::getCommitmentsPages();

        $pages = self::query()
            ->whereIn('type', $orderedTypes)
            ->get()
            ->sortBy(fn ($page) => array_search($page->type, $orderedTypes, true))
            ->values();

        return $pages->isEmpty() ? null : $pages;
    }

    /**
     * Create a SchemaOrg.
     */
    public function toSchemaOrg(): WebPage
    {
        $schema = Schema::webPage()
            ->name($this->seo_title)
            ->description($this->seo_description)
            ->headline($this->title)
            ->isAccessibleForFree(true)
            ->keywords(['page'])
            ->dateCreated($this->created_at)
            ->dateModified($this->updated_at)
            ->image(
                Schema::imageObject()
                    ->url(asset($this->picture))
                    ->headline($this->picture_title)
            )
            ->reviewedBy($this->getOrganizationSchema())
            ->publisher($this->getOrganizationSchema())
            ->author($this->getOrganizationSchema())
            ->isPartOf($this->getWebsiteSchema());

        if (request()->routeIs('fo.recruitment.show')) {
            return $this->toSchemaOrgRecruitment($schema);
        }

        return $schema;
    }

    /**
     * Create a SchemaOrg for the recruitment page.
     */
    public function toSchemaOrgRecruitment(WebPage $schemaBase): WebPage
    {
        // @phpcs:enable
        $schema = $schemaBase->keywords(['recrutement', 'emplois']);
        $offers = [];

        // @phpstan-ignore argument.type
        Offer::getOffersCached()->each(function (Offer $offerModel) use (&$offers) {
            $offers[] = $offerModel->toSchemaOrg();
        });

        if (! empty($offers)) {
            $schema->about(Schema::ListItem()->item($offers));
        }

        return $schema;
    }

    // * REDIRECTIONS.

    /**
     * All models that belongs to it.
     *
     * @return array<string>
     */
    protected function getRouteChildrenModels(): array
    {
        return (in_array($this->type, StaticPageType::getBreedingPages())) ? ['App\Models\NewsBreeding'] : [];
    }

    /**
     * Get the front url of this model.
     * Should return the model.show route, with all binded elements if needed.
     */
    public function getFrontUrl(string $modelKey): string
    {
        return (in_array($this->type, StaticPageType::getBreedingPages())) ? route('fo.breeding.show', $modelKey) : '';
    }

    // * RELATIONSHIPS

    /**
     * Get Breeding static page (has-many relationship).
     */
    public function newsBreedings(): HasMany
    {
        return $this->hasMany(NewsBreeding::class);
    }

    public function sectionsApproaches(): HasMany
    {
        return $this->hasMany(SectionApproach::class, 'page_id');
    }

    public function sections(): HasMany
    {
        return $this->hasMany(SectionPage::class, 'page_id');
    }
}