import { randomUUID } from 'node:crypto';
import { readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import { parseEnv } from 'node:util';
import { spawnSync } from 'node:child_process';
import pg from 'pg';

// 只使用本机开发库凭据创建独立短期库；绝不在 doodle_dev 中清空或写入测试用户。
const serverRoot = fileURLToPath(new URL('../', import.meta.url));
const local = parseEnv(
    readFileSync(new URL('../.env', import.meta.url), 'utf8'),
);
const url = new URL(local.DATABASE_URL);
if (
    !['127.0.0.1', 'localhost'].includes(url.hostname) ||
    url.pathname !== '/doodle_dev'
)
    throw new Error('数据库集成测试只允许本机 doodle_dev 实例创建隔离库');
const database = `doodle_auth_test_${randomUUID().replaceAll('-', '')}`;
const admin = new pg.Pool({
    connectionString: url.toString(),
    max: 1,
    connectionTimeoutMillis: 3000,
});
const testUrl = new URL(url);
testUrl.pathname = `/${database}`;
const env = {
    ...process.env,
    DATABASE_URL: testUrl.toString(),
    TEST_DATABASE_URL: testUrl.toString(),
};
let created = false;

function run(args) {
    const result = spawnSync('pnpm', args, {
        cwd: serverRoot,
        env,
        encoding: 'utf8',
        timeout: 120_000,
    });
    for (const output of [result.stdout, result.stderr])
        if (output)
            process.stdout.write(
                output
                    .replaceAll(testUrl.toString(), '[test-database-url]')
                    .replaceAll(decodeURIComponent(url.password), '[redacted]'),
            );
    if (result.status !== 0) throw new Error('数据库测试子任务失败');
}

try {
    await admin.query(
        `CREATE DATABASE "${database}" WITH TEMPLATE template0 ENCODING 'UTF8' LC_COLLATE 'C' LC_CTYPE 'C'`,
    );
    created = true;
    run(['exec', 'prisma', 'migrate', 'deploy']);
    run(['exec', 'tsc', '-p', 'tsconfig.test.json']);
    run(['exec', 'node', '--test', 'dist-test/test/auth-database.test.js']);
    run(['exec', 'node', '--test', 'dist-test/test/category-database.test.js']);
    run([
        'exec',
        'node',
        '--test',
        'dist-test/test/worksheet-import-database.test.js',
    ]);
    run([
        'exec',
        'node',
        '--test',
        'dist-test/test/worksheet-database.test.js',
    ]);
    run([
        'exec',
        'node',
        '--test',
        'dist-test/test/content-publication-database.test.js',
    ]);
} finally {
    if (created) {
        await admin.query(`DROP DATABASE "${database}"`);
        console.log('临时数据库已删除，开发库业务数据未改动。');
    }
    await admin.end();
}