<?php

namespace SilverStripe\Forms\Tests;

use SilverStripe\Control\Controller;
use SilverStripe\ORM\FieldType\DBField;
use SilverStripe\Dev\CSSContentParser;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Forms\OptionsetField;
use SilverStripe\Forms\RequiredFields;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\Form;

class OptionsetFieldTest extends SapphireTest
{
    public function testSetDisabledItems()
    {
        $f = new OptionsetField(
            'Test',
            false,
            [0 => 'Zero', 1 => 'One']
        );

        $f->setDisabledItems([0]);
        $p = new CSSContentParser($f->Field());
        $item0 = $p->getBySelector('#Test_0');
        $item1 = $p->getBySelector('#Test_1');
        $this->assertEquals(
            (string)$item0[0]['disabled'],
            'disabled'
        );
        $this->assertEquals(
            (string)$item1[0]['disabled'],
            ''
        );
    }

    /**
     * @skipUpgrade
     */
    public function testValidation()
    {
        $field = OptionsetField::create(
            'Test',
            'Testing',
            [
            "One" => "One",
            "Two" => "Two",
            "Five" => "Five"
            ]
        );
        $validator = new RequiredFields('Test');
        $form = new Form(null, 'Form', new FieldList($field), new FieldList(), $validator);

        $field->setValue("One");
        $this->assertTrue($field->validate($validator));

        //non-existent value should make the field invalid
        $field->setValue("Three");
        $this->assertFalse($field->validate($validator));

        //empty string should pass field-level validation...
        $field->setValue('');
        $this->assertTrue($field->validate($validator));

        // ... but should not pass "RequiredFields" validation
        $this->assertFalse($form->validationResult()->isValid());

        //disabled items shouldn't validate
        $field->setDisabledItems(['Five']);
        $field->setValue('Five');
        $this->assertFalse($field->validate($validator));
    }

    public function testReadonlyField()
    {
        $sourceArray = [0 => 'No', 1 => 'Yes'];
        $field = new OptionsetField('FeelingOk', 'are you feeling ok?', $sourceArray, 1);
        $field->setEmptyString('(Select one)');
        $field->setValue(1);
        $readonlyField = $field->performReadonlyTransformation();
        preg_match('/Yes/', $readonlyField->Field(), $matches);
        $this->assertEquals($matches[0], 'Yes');
    }

    public function testSafelyCast()
    {
        $field1 = new OptionsetField(
            'Options',
            'Options',
            [
            1 => 'One',
            2 => 'Two & Three',
            3 => DBField::create_field('HTMLText', 'Four &amp; Five &amp; Six')
            ]
        );
        $fieldHTML = (string)$field1->Field();
        $this->assertStringContainsString('One', $fieldHTML);
        $this->assertStringContainsString('Two &amp; Three', $fieldHTML);
        $this->assertStringNotContainsString('Two & Three', $fieldHTML);
        $this->assertStringContainsString('Four &amp; Five &amp; Six', $fieldHTML);
        $this->assertStringNotContainsString('Four & Five & Six', $fieldHTML);
    }

    /**
     * #2939 OptionSetField creates invalid HTML when required
     */
    public function testNoAriaRequired()
    {
        $field = new OptionsetField('RequiredField', 'myRequiredField');

        $form = new Form(
            Controller::curr(),
            "form",
            new FieldList($field),
            new FieldList(),
            new RequiredFields(["RequiredField"])
        );
        $this->assertTrue($field->Required());

        $attributes = $field->getAttributes();
        $this->assertFalse(array_key_exists("name", $attributes));
        $this->assertFalse(array_key_exists("required", $attributes));
        $this->assertTrue(array_key_exists("role", $attributes));
    }
}