<?php

namespace App\Admin\Extensions\Form;
use Dcat\Admin\Form\Field\Radio;
use Dcat\Admin\Widgets\Radio as WidgetRadio;

/**
 * 由于信息收集表单中，hasMany中的radio存在多个时出现问题，故重写覆盖
 * Class Radio2
 * @package App\Admin\Extensions\Form
 */
class Radio2 extends Radio
{
	protected $view = 'admin::form.radio';

	/**
	 * {@inheritdoc}
	 */
	public function render()
	{
		if ($this->options instanceof \Closure) {
			$this->options(
				$this->options->call($this->values(), $this->value(), $this)
			);
		}

		$this->addCascadeScript();

		$radio = WidgetRadio::make($this->getElementName(), $this->options, $this->style);

		if ($this->attributes['disabled'] ?? false) {
			$radio->disable();
		}

		$radio
			->inline($this->inline)
			->check($this->value())
			->class($this->getElementClassString())
			->size($this->size);

		$this->addVariables([
			'radio' => $radio,
		]);

		return parent::render();
	}

	/**
	 * Add cascade scripts to contents.
	 *
	 * @return string
	 */
	protected function getCascadeScript()
	{
		if (empty($this->conditions)) {
			return;
		}

		$cascadeGroups = collect($this->conditions)->map(function ($condition) {
			return [
				'class'    => $this->getCascadeClass($condition['value'], $condition['operator']),
				'operator' => $condition['operator'],
				'value'    => $condition['value'],
			];
		})->toJson();

		return <<<JS
(function () {
    var compare = function (a, b, o) {
        if (! $.isArray(b)) {
            return operator_table[o](a, b)
        }

        if (o === '!=') {
            var result = true;
            for (var i in b) {
                if (! operator_table[o](a, b[i])) {
                    result = false;

                    break;
                }
            }
            return result;
        }

        for (var i in b) {
            if (operator_table[o](a, b[i])) {
                return true;
            }
        }
    };

    var operator_table = {
        '=': function(a, b) {
            if ($.isArray(a) && $.isArray(b)) {
                return $(a).not(b).length === 0 && $(b).not(a).length === 0;
            }

            return String(a) === String(b);
        },
        '>': function(a, b) {
            return a > b;
        },
        '<': function(a, b) {
            return a < b;
        },
        '>=': function(a, b) { return a >= b; },
        '<=': function(a, b) { return a <= b; },
        '!=': function(a, b) {
             return ! operator_table['='](a, b);
        },
        'in': function(a, b) { return Dcat.helpers.inObject(a, String(b), true); },
        'notIn': function(a, b) { return ! Dcat.helpers.inObject(a, String(b), true); },
        'has': function(a, b) { return Dcat.helpers.inObject(b, String(b), true); },
    };
    var cascade_groups = {$cascadeGroups}, event = '{$this->cascadeEvent}';

    \$this.on(event, function (e) {
        var checked = $(e.target).parent().parent().find(':checked').val();

        cascade_groups.forEach(function (event) {
            var group = $(e.target).closest('.form-group.form-field').next('div.cascade-group.'+event.class);
            if (compare(checked, event.value, event.operator)) {
                group.removeClass('d-none');
            } else {
                group.addClass('d-none');
            }
        });
    }).trigger(event);
})();
JS;
	}
}