<?php

namespace Tests\Unit;

use App\Support\StudyTourDeclarationExporter;
use PhpOffice\PhpWord\IOFactory;
use Tests\TestCase;
use ZipArchive;

class StudyTourDeclarationExporterTest extends TestCase
{
    public function test_html_to_plain_text_keeps_paragraphs(): void
    {
        $html = '<p>第一段</p><p>第二段<br/>续行</p><ul><li>要点A</li><li>要点B</li></ul>';
        $text = StudyTourDeclarationExporter::htmlToPlainText($html);

        $this->assertStringContainsString("第一段", $text);
        $this->assertStringContainsString("第二段", $text);
        $this->assertStringContainsString("续行", $text);
        $this->assertStringContainsString("要点A", $text);
        $this->assertStringContainsString("要点B", $text);
    }

    public function test_sanitize_filename_strips_illegal_chars(): void
    {
        $this->assertSame('线路A_B', StudyTourDeclarationExporter::sanitizeFilename('线路A/B'));
        $this->assertSame('研学线路', StudyTourDeclarationExporter::sanitizeFilename('   '));
    }

    public function test_docx_contains_declaration_sections_and_cover_image(): void
    {
        $png = sys_get_temp_dir().'/st-cover-test.png';
        file_put_contents($png, base64_decode(
            'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8z8BQDwAEhQGAhKmMIQAAAABJRU5ErkJggg=='
        ));
        $uploadDir = storage_path('app/public/uploads');
        if (! is_dir($uploadDir)) {
            mkdir($uploadDir, 0777, true);
        }
        $implPng = $uploadDir.'/st-impl-test.png';
        copy($png, $implPng);

        $path = StudyTourDeclarationExporter::writeDocxFile([
            'name' => '太湖蚕桑研学',
            'org_name' => '苏州市科协',
            'seasons' => ['spring', 'autumn'],
            'venue_names' => ['苏州丝绸博物馆', '自定义营地'],
            'suitable_count' => '30人',
            'suitable_audience' => 'primary，junior',
            'duration' => '2天1晚',
            'contact_person' => '张老师',
            'contact_phones' => '13800000000',
            'cover_image_path' => $png,
            'intro_html' => '<p>走进蚕桑文化。</p>',
            'route_plans' => [[
                'date_label' => '第一天',
                'items' => [[
                    'time' => '09:00',
                    'activity' => '开营仪式',
                    'location' => '活动中心',
                ]],
            ]],
            'courses' => [[
                'sort' => 1,
                'name' => '缫丝体验',
                'content' => '了解传统缫丝工艺',
            ]],
            'fee_html' => '<p>680元/人</p>',
            'implementation_html' => '<p>2026年7月1日第1场</p><p><img src="/storage/uploads/st-impl-test.png"></p>',
            'season_options' => [
                ['value' => 'spring', 'label' => '春季'],
                ['value' => 'summer', 'label' => '夏季'],
                ['value' => 'autumn', 'label' => '秋季'],
                ['value' => 'winter', 'label' => '冬季'],
            ],
            'audience_options' => [
                ['value' => 'kindergarten', 'label' => '幼儿园'],
                ['value' => 'primary', 'label' => '小学'],
                ['value' => 'junior', 'label' => '初中'],
                ['value' => 'high', 'label' => '高中'],
                ['value' => 'all', 'label' => '全学段'],
            ],
        ]);

        $this->assertFileExists($path);

        $zip = new ZipArchive();
        $this->assertTrue($zip->open($path) === true);
        $xml = (string) $zip->getFromName('word/document.xml');
        $mediaCount = 0;
        for ($i = 0; $i < $zip->numFiles; $i++) {
            $name = (string) $zip->getNameIndex($i);
            if (str_starts_with($name, 'word/media/')) {
                $mediaCount++;
            }
        }
        $zip->close();

        foreach ([
            '一、线路基本情况',
            '二、线路简介',
            '三、线路规划',
            '四、研学课程',
            '五、线路收费标准',
            '六、线路计划实施情况',
            '太湖蚕桑研学',
            '苏州市科协',
            '苏州丝绸博物馆',
            '走进蚕桑文化',
            '开营仪式',
            '缫丝体验',
            '680元/人',
            '封面图',
            '2026年7月1日第1场',
        ] as $needle) {
            $this->assertStringContainsString($needle, $xml, "missing {$needle}");
        }
        $this->assertGreaterThanOrEqual(2, $mediaCount, 'cover and implementation images should be embedded');

        $phpWord = IOFactory::load($path);
        $this->assertNotEmpty($phpWord->getSections());

        @unlink($path);
        @unlink($png);
        @unlink($implPng);
    }
}