<?php

namespace Ulmus;

use Ulmus\Repository,
    Ulmus\Common\EntityResolver,
    Ulmus\Common\EntityField;

use Ulmus\Annotation\Classes\{ Method, Table, Collation as Test, };
use Ulmus\Annotation\Property\{ Field, Relation, OrderBy, Where, };
use Ulmus\Annotation\Property\Field\{ Id, ForeignKey, CreatedAt, UpdatedAt, };

trait EntityTrait {
    
    protected bool $strictEntityFieldsDeclaration = true;
    
    protected array $unmatchedEntityDatasetFields = [];

    /**
     * @Ignore
     */
    public function entityFillFromDataset($dataset) : self
    {
        $fields = Ulmus::resolveEntity(static::class);

        foreach($dataset as $key => $value) {
            $key = strtolower($key);
            
            if ( null === $field = $fields->field($key, EntityResolver::KEY_COLUMN_NAME, false) ?? null ) {
                if ($this->strictEntityFieldsDeclaration ) {
                    throw new \Exception("Field `$key` can not be found within your entity ".static::class);
                }
                else {
                    $this->unmatchedEntityDatasetFields[$key] = $value;
                }
            }
            elseif ( is_null($value) ) {
                $this->{$field['name']} = null;
            }
            elseif ( $field['type'] === 'array' ) {
                $this->{$field['name']} = substr($value, 0, 1) === "a" ? unserialize($value) : json_decode($value, true);
            }
            elseif ( EntityField::isScalarType($field['type']) ) {
                $this->{$field['name']} = $value;
            }
            elseif ( EntityField::isObjectType($field['type']) ) {
                $this->{$field['name']} = new $field['type']();
            }
        }

        return $this;
    }

    /**
     * @Ignore
     */
    public static function repository() : Repository
    {
        return Ulmus::repository(static::class);
    }

    /**
     * @Ignore
     */
    public static function queryBuilder() : QueryBuilder
    {
        return Ulmus::queryBuilder(static::class);
    }

    /**
     * @Ignore
     */
    public static function field($name, ? string $alias = null)
    {
        return new EntityField(static::class, $name, $alias ?: Repository::DEFAULT_ALIAS);
    }

    /**
     * @Ignore
     */
    public static function fields(...$fields)
    {
        return implode(', ', array_map(function($name) {
            return static::field($name);
        }, $fields));
    }

    /**
     * @Ignore
     */
    public static function table()
    {
        return "REFLECT TABLE";
    }
}