import test from 'node:test';
import assert from 'node:assert/strict';
import Fastify from 'fastify';
import cookie from '@fastify/cookie';
import rateLimit from '@fastify/rate-limit';
import api from '../src/api.js';

const cookies = { teach_session: 'x'.repeat(64) };
const teacher = {
  id: 3, username: 'juf', role: 'teacher', school_id: 2,
  class_id: null, data: {}, data_rev: 0,
};

test('live inzicht berekent fout-, stiltesignalen en zevendaagse grafiekdata', async () => {
  const now = new Date();
  const idleStart = new Date(now.getTime() - 4 * 60_000);
  const date = new Date(); date.setHours(12, 0, 0, 0);
  const day = date.toISOString().slice(0, 10);
  const query = async (sql) => {
    if (sql.includes('FROM sessions s JOIN users u')) return { rows: [teacher] };
    if (sql.includes('FROM user_roles')) return { rows: [] };
    if (sql.startsWith('SELECT * FROM classes')) return { rows: [{ id: 50, school_id: 2 }] };
    if (sql.startsWith('SELECT 1 FROM class_teachers')) return { rows: [{ ok: 1 }] };
    if (sql.includes('FROM live_learning_sessions ls')) return { rows: [
      {
        id: 101, pupil_id: 9, display_name: 'Lena', widget_id: 'math-1',
        widget_type: 'madd', mode: 'werken', started_at: idleStart,
        last_seen_at: now, last_progress_at: now, attempts: 10, correct: 3,
      },
      {
        id: 102, pupil_id: 10, display_name: 'Sam', widget_id: 'letters-1',
        widget_type: 'letters', mode: 'werken', started_at: idleStart,
        last_seen_at: now, last_progress_at: null, attempts: 0, correct: 0,
      },
    ] };
    if (sql.includes('FROM progress_events pe')) return { rows: [{
      pupil_id: 9, day, attempts: 10, correct: 7, updates: 2,
    }] };
    if (sql.includes('FROM assignment_step_progress asp')) return { rows: [{
      pupil_id: 9, day, completed: 1,
    }] };
    return { rows: [] };
  };
  const app = Fastify({ trustProxy: 2 });
  await app.register(cookie);
  await app.register(rateLimit, { global: false });
  app.decorate('pg', { query });
  await app.register(api, { prefix: '/api' });
  await app.ready();
  const response = await app.inject({
    method: 'GET', url: '/api/progress/live/class/50', cookies,
  });
  assert.equal(response.statusCode, 200, response.body);
  const body = response.json();
  assert.equal(body.helpCount, 2);
  assert.deepEqual(body.sessions.map((session) => session.helpSignal), ['errors', 'idle']);
  assert.equal(body.classTrend.at(-1).accuracy, 70);
  assert.equal(body.classTrend.at(-1).completed, 2);
  assert.equal(body.pupilTrends['9'].at(-1).updates, 2);
  await app.close();
});