<?php

namespace App\Lib\Inputs\Definition;

use App\Enums\Formularies\InputTypeEnum;

/**
 * @property-read string                       $title The input type placeholder
 * @property-read integer                      $type  The input type value
 * @property-read string|array<integer,string> $value The input value, either a string or an array
 *                                                  with the value index and label
 *                                                  (for Multiselect and checkboxes)
 * @property-read boolean                      $required  The input is required ?
 * @package App\Lib\Inputs
 */
class InputData extends \stdClass
{
    /**
     * Get property
     *
     * @param string $name
     * @return mixed
     * @throws \TypeError If prop is undefined.
     */
    public function __get(string $name): mixed
    {
        if (in_array($name, ['title', 'type', 'value', 'required'])) {
            return $this->{$name};
        }
        throw new \TypeError("undefined property {$name}");
    }

    /**
     * Make and instance
     *
     * @param string                                       $title
     * @param \App\Enums\Formularies\InputTypeEnum|integer $type
     * @param string|array<integer,string>                 $data
     * @param boolean                                      $required
     * @return \App\Lib\Inputs\Definition\InputData
     * @throws \RuntimeException If $type or $data is wrong.
     */
    public static function make(string $title, $type, $data, bool $required): self
    {
        $ipTypeData           = new self();
        $ipTypeData->title    = $title;
        $ipTypeData->type     = (\is_object($type) and \get_class($type) === InputTypeEnum::class) ?
            $type->value : $type;
        $ipTypeData->value    = $data;
        $ipTypeData->required = $required;
        self::assertIsInputTypeData($ipTypeData);
        return $ipTypeData;
    }

    /**
     * Confirm $data is of type InputTypeData
     *
     * @param \App\Lib\Inputs\Definition\InputData $data
     * @return void
     * @throws \RuntimeException If $data is wrong.
     */
    public static function assertIsInputTypeData(InputData $data)
    {
        $title    = $data->title;
        $type     = $data->type;
        $value    = $data->value;
        $required = $data->required;

        if (!\is_string($title)) {
            throw new \RuntimeException("InputTypeData 'title' should be a string");
        }
        if (!\is_integer($type)) {
            throw new \RuntimeException("InputTypeData 'type' should be an integer");
        }
        if (!\is_bool($required)) {
            throw new \RuntimeException("InputTypeData 'required' should be a boolean");
        }

        try {
            $type = InputTypeEnum::make($type);
        } catch (\BadMethodCallException $e) {
            throw new \RuntimeException($e->getMessage());
        }

        if (!\is_null($value) && !\is_string($value) && !\is_array($value)) {
            $type  = \gettype($value);
            $value = \json_encode($value);
            throw new \RuntimeException(
                "InputTypeData 'value' should be string or array given '{$value}' of type '{$type}'"
            );
        }
    }
}