<?php

namespace App\Models;

use App\Lib\Helpers\FileStorageHelper;
use App\Lib\Helpers\ToolboxHelper;
use App\Traits\Models\HasFlashStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Slide extends Model
{
    use HasFactory;
    use HasFlashStatus;

    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'link_new_tab' => 'bool',
        'order' => 'int',
        'status' => 'bool',
        'publish_at' => 'datetime',
        'unpublish_at' => 'datetime',
    ];

    /**
     * The attributes that are mass assignable.
     *
     * @var string[]
     */
    protected $fillable = [
        'title', 'text', 'link', 'link_label',
        'link_new_tab', 'picture',
        'status', 'publish_at',
        'unpublish_at', 'slider_id'
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        // * EVENT CLOSURES.
        static::creating(function (self $model) {
            // * ASSERTIONS
            static::assertTitleIsUnique($model->title);
            ToolboxHelper::assertNoInternalBoUrls('text', $model->text ?? '');
            ToolboxHelper::assertNoInternalBoUrls('link', $model->link ?? '');
            // * TRANSFORMATIONS
            if ($model->text) {
                $model->text = clean($model->text);
                $model->text = FileStorageHelper::storeModelFilesFromHtml($model, $model->text);
            }
            $model->picture = FileStorageHelper::storeFile($model, $model->picture, true);
            $model->makeStatusSense();
        });
        static::created(function (self $model) {
            self::flashStatus($model);
        });
        static::updating(function (self $model) {
            // * ASSERTIONS
            static::assertTitleIsUnique($model->title, $model->id);
            ToolboxHelper::assertNoInternalBoUrls('text', $model->text ?? '');
            ToolboxHelper::assertNoInternalBoUrls('link', $model->link ?? '');
            // * TRANSFORMATIONS
            if ($model->text) {
                $model->text = clean($model->text);
                $model->text = FileStorageHelper::storeModelFilesFromHtml($model, $model->text);
            }
            $model->picture = FileStorageHelper::storeFile($model, $model->picture, true);
            $model->makeStatusSense();
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');
            FileStorageHelper::removeOldModelFilesFromHtml($model->text ?? '', $model->getOriginal('text') ?? '');
            self::flashStatus($model, true);
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            FileStorageHelper::removeModelFilesOfHtml($model->text ?? '');
        });
    }

    // * 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);
    }

    /**
     * Adjusts model status using current status and publish dates
     *
     * @return void
     */
    public function makeStatusSense(): void
    {
        /** @var \Carbon\Carbon|null */
        $publish_at = $this->publish_at;
        /** @var \Carbon\Carbon|null */
        $unpublish_at = $this->unpublish_at;
        // * Ignore unpublish_at in the past
        if ($unpublish_at and $unpublish_at->lessThan(now())) {
            return;
        }
        // * Ignore publish_at in the futur
        if ($publish_at and $publish_at->greaterThan(now())) {
            return;
        }
        if ($publish_at or $unpublish_at) {
            $this->status = $this->planificated_status;
        }
    }

    /**
     * Getter the current status following planification dates
     *
     * @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;
    }
}