<?php

namespace Tests\App\Libraries;

use App\Libraries\AssessmentDocxReader;
use CodeIgniter\Test\CIUnitTestCase;
use PhpOffice\PhpWord\PhpWord;
use PhpOffice\PhpWord\IOFactory;

final class AssessmentDocxReaderTest extends CIUnitTestCase
{
    private const QUESTIONS = [
        ['id' => 11, 'text' => 'What is the student’s Islamic education background?'],
        ['id' => 12, 'text' => 'What is the student’s Arabic competency level?'],
        ['id' => 13, 'text' => 'Any other questions / concerns that the parents may have?'],
    ];

    public function testMapsNumberedParagraphQuestionsAndMultilineAnswers(): void
    {
        $result = (new AssessmentDocxReader())->mapAnswers([
            'Student intake form',
            '1. What is the student\'s Islamic education background?',
            'Two years at home.',
            'Weekly mosque classes.',
            '2) What is the student’s Arabic competency level? Beginner reader',
            '3. Any other questions / concerns that the parents may have?',
            'None.',
        ], self::QUESTIONS);

        $this->assertSame("Two years at home.\nWeekly mosque classes.", $result['answers'][11]);
        $this->assertSame('Beginner reader', $result['answers'][12]);
        $this->assertSame('None.', $result['answers'][13]);
        $this->assertSame([], $result['missing']);
    }

    public function testReadsParagraphsAndTableCellsFromDocx(): void
    {
        $phpWord = new PhpWord();
        $section = $phpWord->addSection();
        $section->addText(self::QUESTIONS[0]['text']);
        $section->addText('Studied for one year.');
        $table = $section->addTable();
        $table->addRow();
        $table->addCell()->addText(self::QUESTIONS[1]['text']);
        $table->addCell()->addText('Conversational');

        $path = tempnam(sys_get_temp_dir(), 'assessment-docx-');
        $this->assertNotFalse($path);
        $docxPath = $path . '.docx';
        try {
            IOFactory::createWriter($phpWord, 'Word2007')->save($docxPath);
            $result = (new AssessmentDocxReader())->read($docxPath, array_slice(self::QUESTIONS, 0, 2));
        } finally {
            @unlink($path);
            @unlink($docxPath);
        }

        $this->assertSame('Studied for one year.', $result['answers'][11]);
        $this->assertSame('Conversational', $result['answers'][12]);
    }

    public function testReportsQuestionsWithoutAnswers(): void
    {
        $result = (new AssessmentDocxReader())->mapAnswers([
            self::QUESTIONS[0]['text'],
            'An answer.',
        ], self::QUESTIONS);

        $this->assertSame([11 => 'An answer.'], $result['answers']);
        $this->assertArrayHasKey(12, $result['missing']);
        $this->assertArrayHasKey(13, $result['missing']);
    }

    public function testAllowsAnOmittedQuestionWordAndStopsAtAdministrativeNotes(): void
    {
        $questions = [
            ['id' => 21, 'text' => 'If surnames of enrolled students are different, please confirm if they are all siblings; if NOT, then please specify their relationship to each other:'],
            self::QUESTIONS[2],
        ];
        $result = (new AssessmentDocxReader())->mapAnswers([
            'If surnames of enrolled students are different, please confirm if they are all siblings; if NOT, then please their relationship to each other:',
            'N/A',
            'Any other questions / concerns that the parents may have:',
            'Question 1: Please focus on completing the curriculum.',
            'Principal Notes:',
            'This must not become part of the parent answer.',
        ], $questions);

        $this->assertSame('N/A', $result['answers'][21]);
        $this->assertSame('Question 1: Please focus on completing the curriculum.', $result['answers'][13]);
        $this->assertStringNotContainsString('Principal Notes', $result['answers'][13]);
        $this->assertSame([], $result['missing']);
    }
}