<?php
/**
 * 新功能回归测试：
 * 1) 成绩明细排序：再次提交应置顶（last_submit_ts 排序）
 * 2) XlsxWriter 多工作表 renderMulti（分表 + 名字去重/截断）
 * 3) 名单导入列识别 rowsToStudents（表头识别 / 去重 / Excel 数字尾巴）
 */
declare(strict_types=1);
require __DIR__ . '/../bootstrap.php';

$pass = 0;
$fail = 0;
function check(string $name, bool $cond, string $detail = ''): void
{
    global $pass, $fail;
    if ($cond) { $pass++; echo "  ✅ {$name}\n"; }
    else       { $fail++; echo "  ❌ {$name}  {$detail}\n"; }
}

/* ============ 3) 排序：再次提交置顶 ============ */
echo "\n== 排序（last_submit_ts 置顶）==\n";
// 甲：代表成绩=最高分(98，早提交)；最近一次提交=重考 70（晚提交）→ last_submit_ts 更晚，应排在乙前
$aggRows = [
    ['sid' => 'S01', 'name' => '甲', 'score' => 98.0, 'submit_ts' => 1000, 'last_submit_ts' => 5000, 'last_submit_at' => '2026-09-10 12:00:00'],
    ['sid' => 'S02', 'name' => '乙', 'score' => 90.0, 'submit_ts' => 2000, 'last_submit_ts' => 2000, 'last_submit_at' => '2026-09-10 10:00:00'],
];
$sortTs = static fn(array $r): int => (int)($r['last_submit_ts'] ?? 0) ?: (int)($r['submit_ts'] ?? 0);
usort($aggRows, static function (array $x, array $y) use ($sortTs): int {
    $d = $sortTs($y) <=> $sortTs($x);
    return $d !== 0 ? $d : strcmp((string)($x['sid'] ?? ''), (string)($y['sid'] ?? ''));
});
check('重考后的甲（last_submit_ts=5000）排在乙前', $aggRows[0]['sid'] === 'S01', json_encode($aggRows, JSON_UNESCAPED_UNICODE));

/* ============ 2) XlsxWriter 多工作表 ============ */
echo "\n== XlsxWriter 多工作表 ==\n";
$sheets = [
    ['name' => '1班', 'rows' => [['学号', '姓名'], ['S01', '甲']], 'widths' => [16, 14]],
    ['name' => '2班', 'rows' => [['学号', '姓名'], ['S02', '乙']], 'widths' => [16, 14]],
    ['name' => '成绩明细', 'rows' => [['学号', '成绩'], ['S03', 90]], 'widths' => [16, 11]],
    ['name' => '成绩明细', 'rows' => [['学号', '成绩'], ['S04', 80]], 'widths' => [16, 11]],  // 重名 → 应去重
    ['name' => str_repeat('长', 40), 'rows' => [['X'], [1]], 'widths' => [10]],  // 超长名 → 截断
];
$bin = XlsxWriter::renderMulti($sheets);
check('renderMulti 产出 PK ZIP', substr($bin, 0, 2) === 'PK');

$names = [];
if (class_exists('ZipArchive')) {
    $tmp = __DIR__ . '/_multi.xlsx';
    file_put_contents($tmp, $bin);
    $z = new ZipArchive();
    if ($z->open($tmp) === true) {
        for ($i = 0; $i < $z->numFiles; $i++) {
            $n = $z->getNameIndex($i);
            if (strpos($n, 'xl/worksheets/sheet') === 0) {
                $names[] = $n;
            }
        }
        $z->close();
    }
    @unlink($tmp);
}
check('产出 5 个工作表文件', count($names) === 5, 'got ' . count($names) . ': ' . json_encode($names));
check('sheet 文件名连续 sheet1..sheet5', in_array('xl/worksheets/sheet5.xml', $names, true));

/* ============ 3) 名单导入列识别 ============ */
echo "\n== 名单导入列识别 ==\n";
$meta   = [];
$parsed = Roster::rowsToStudents([
    ['学号', '姓名', '班级', '组别', '登陆账号'],
    ['2024012001.0', '张三', '1班', 'A', 'stu001'],
    ['2024012002', '李四', '1班', 'B', 'stu002'],
    ['2024012001', '张三重复', '1班', 'A', 'stu001'],  // 学号重复 → 跳过
    ['', ''],                                          // 空行 → 跳过
], $meta);
check('识别到 2 人（重复学号与空行被跳过）', count($parsed) === 2, json_encode($parsed, JSON_UNESCAPED_UNICODE));
check('学号去掉 Excel 数字尾巴 .0', ($parsed[0]['sid'] ?? '') === '2024012001', (string)($parsed[0]['sid'] ?? ''));
check('识别班级 / 组别 / 登陆账号列',
    ($parsed[0]['cls'] ?? '') === '1班' && ($parsed[0]['grp'] ?? '') === 'A' && ($parsed[0]['login'] ?? '') === 'stu001',
    json_encode($parsed[0] ?? [], JSON_UNESCAPED_UNICODE));
check('重复学号记入 duplicates', (int)($meta['duplicates'] ?? 0) === 1, (string)($meta['duplicates'] ?? ''));
check('空行记入 skipped', (int)($meta['skipped'] ?? 0) === 1, (string)($meta['skipped'] ?? ''));

echo "\n========================================\n";
echo "通过 {$pass} · 失败 {$fail}\n";
exit($fail === 0 ? 0 : 1);