<?php

namespace App\Models;

use App\Enums\ContactFormType;
use App\Jobs\IncrementContactStatsJob;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Carbon;

class Contact extends Model
{
    /**
     * The primary key for the model.
     *
     * @var string
     */
    protected $primaryKey = 'date';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var boolean
     */
    public $timestamps = false;

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

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        static::creating(function (self $model) {
            $model->date = Carbon::now();
            $model->all  = 1;
        });
        static::updating(function (self $model) {
            // * increment general counter
            $model->all = $model->all + 1;
        });
    }

    /**
     * Increments the ContactFormType stats of today
     *
     * @param ContactFormType $type
     * @return void
     */
    public static function incrementStat(ContactFormType $type)
    {
        IncrementContactStatsJob::dispatch($type);
    }

    /**
     * Get values attribute
     *
     * @param mixed $value
     * @return array
     */
    public function getValuesAttribute($value): array
    {
        return $this->unserialize($value ?? serialize($this->counterSkeleton()));
    }

    /**
     * Set values attribute
     *
     * @param array $value
     * @return string
     */
    public function setValuesAttribute(array $value): string
    {
        $this->attributes['values'] = $this->serialize($value);
        return $this->attributes['values'];
    }

    /**
     *  Serialize value
     *
     * @param array $value
     * @return string
     */
    private function serialize(array $value)
    {
        return serialize($this->merge($this->counterSkeleton(), $value));
    }

    /**
     * Unserialize value
     *
     * @param string $value
     * @return array
     */
    private function unserialize(string $value)
    {
        return $this->merge($this->counterSkeleton(), unserialize($value));
    }

    /**
     * Merge thow array
     *
     * TODO: Replace this with collection or array merge.
     *
     * @param array $a
     * @param array $b
     * @return array
     */
    private function merge(array $a, array $b): array
    {
        foreach ($a as $i => $v) {
            if (isset($b[$i])) {
                $a[$i] = $b[$i];
            }
        }
        return $a;
    }

    /**
     * Get Counter skeleton
     * @return array
     */
    private function counterSkeleton(): array
    {
        return collect(ContactFormType::toArray())->mapWithKeys(function (ContactFormType $enum) {
            if ($enum->equals(ContactFormType::none())) {
                return [];
            }
            return [$enum->value => 0];
        })->toArray();
    }
}