<?php

/**
 * @mixin PHPUnit_Framework_TestCase
 */
class StringTagFieldTest extends SapphireTest
{
    /**
     * @var string
     */
    public static $fixture_file = 'tagfield/tests/StringTagFieldTest.yml';

    /**
     * @var array
     */
    protected $extraDataObjects = array(
        'StringTagFieldTestBlogPost',
    );

    public function testItSavesTagsOnNewRecords()
    {
        $record = $this->getNewStringTagFieldTestBlogPost('BlogPost1');

        $field = new StringTagField('Tags');
        $field->setValue(array('Tag1', 'Tag2'));
        $field->saveInto($record);

        $record->write();

        $this->assertEquals('Tag1,Tag2', $record->Tags);
    }

    /**
     * @param string $name
     *
     * @return StringTagFieldTestBlogPost
     */
    protected function getNewStringTagFieldTestBlogPost($name)
    {
        return $this->objFromFixture(
            'StringTagFieldTestBlogPost',
            $name
        );
    }

    public function testItSavesTagsOnExistingRecords()
    {
        $record = $this->getNewStringTagFieldTestBlogPost('BlogPost1');
        $record->write();

        $field = new StringTagField('Tags');
        $field->setValue(array('Tag1', 'Tag2'));
        $field->saveInto($record);

        $this->assertEquals('Tag1,Tag2', $record->Tags);
    }

    public function testItSuggestsTags()
    {
        $record = $this->getNewStringTagFieldTestBlogPost('BlogPost2');

        $field = new StringTagField('Tags');
        $field->setRecord($record);

        /**
         * Partial tag title match.
         */
        $request = $this->getNewRequest(array('term' => 'Tag'));

        $this->assertEquals(
            '{"items":[{"id":"Tag1","text":"Tag1"},{"id":"Tag2","text":"Tag2"}]}',
            $field->suggest($request)->getBody()
        );

        /**
         * Exact tag title match.
         */
        $request = $this->getNewRequest(array('term' => 'Tag1'));

        $this->assertEquals($field->suggest($request)->getBody(), '{"items":[{"id":"Tag1","text":"Tag1"}]}');

        /**
         * Case-insensitive tag title match.
         */
        $request = $this->getNewRequest(array('term' => 'TAG1'));

        $this->assertEquals(
            '{"items":[{"id":"Tag1","text":"Tag1"}]}',
            $field->suggest($request)->getBody()
        );

        /**
         * No tag title match.
         */
        $request = $this->getNewRequest(array('term' => 'unknown'));

        $this->assertEquals(
            '{"items":[]}',
            $field->suggest($request)->getBody()
        );
    }

    /**
     * @param array $parameters
     *
     * @return SS_HTTPRequest
     */
    protected function getNewRequest(array $parameters)
    {
        return new SS_HTTPRequest(
            'get',
            'StringTagFieldTestController/StringTagFieldTestForm/fields/Tags/suggest',
            $parameters
        );
    }
}

/**
 * @property string $Tags
 */
class StringTagFieldTestBlogPost extends DataObject implements TestOnly
{
    /**
     * @var array
     */
    private static $db = array(
        'Title' => 'Text',
        'Content' => 'Text',
        'Tags' => 'Text',
    );
}

class StringTagFieldTestController extends Controller implements TestOnly
{
    /**
     * @return Form
     */
    public function StringTagFieldTestForm()
    {
        $fields = new FieldList(
            $tagField = new StringTagField('Tags')
        );

        $actions = new FieldList(
            new FormAction('StringTagFieldTestFormSubmit')
        );

        return new Form($this, 'StringTagFieldTestForm', $fields, $actions);
    }

    /**
     * @param DataObject $dataObject
     * @param Form $form
     */
    public function StringTagFieldTestFormSubmit(DataObject $dataObject, Form $form)
    {
        $form->saveInto($dataObject);
    }
}