import assert from 'node:assert/strict';
import { readFileSync } from 'node:fs';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';

const root = dirname(dirname(fileURLToPath(import.meta.url)));
const read = (path) => readFileSync(join(root, path), 'utf8');

const packageJson = JSON.parse(read('package.json'));
assert.equal(packageJson.dependencies.fastify.startsWith('^4.'), true);
assert.equal(packageJson.dependencies.zod.startsWith('^3.'), true);
assert.equal(packageJson.dependencies.mysql2.startsWith('^3.'), true);
assert.equal(packageJson.dependencies.kysely.startsWith('^0.'), true);

const tsconfig = JSON.parse(read('tsconfig.json'));
assert.equal(tsconfig.compilerOptions.strict, true);
assert.equal(tsconfig.compilerOptions.moduleResolution, 'NodeNext');

const appSource = read('src/app.ts');
assert.match(appSource, /genReqId/);
assert.match(appSource, /x-trace-id/);
assert.match(appSource, /setErrorHandler/);
assert.match(appSource, /rateLimit/);
assert.match(appSource, /cors/);

const configSource = read('src/config.ts');
assert.match(configSource, /z\.object/);
assert.match(configSource, /QIPAI_MQTT_URL/);
assert.match(configSource, /QIPAI_MYSQL_PASSWORD/);

const healthSource = read('src/routes/health.ts');
for (const route of [
  '/app-api/health',
  '/admin-api/health',
  '/app-api/ready',
  '/admin-api/ready',
  '/app-api/version',
  '/admin-api/version'
]) {
  assert.match(healthSource, new RegExp(route));
}

console.log('PASS: backend M01-A contract is present.');