// Service-level tests for characterService (profile + energy countdown).
const { describe, it, before, after } = require('node:test');
const assert = require('node:assert/strict');
const { setup, teardown, cleanup } = require('../helpers');

const NOW = 1_700_000_000_000;

describe('characterService.getCharacterProfile', () => {
  let db, svc, time;

  before(async () => {
    await setup();
    db = require('../../src/db').getDb();
    svc = require('../../src/services/characterService');
    time = require('../../src/utils/time');
    time.setNow(() => NOW);
  });
  after(async () => { time.resetNow(); await teardown(); cleanup(); });

  function hero(n, energy, updatedAt) {
    const uid = Number(db.prepare('INSERT INTO users (username, password_hash, created_at) VALUES (?, ?, ?)').run(`cu${n}`, 'x', NOW).lastInsertRowid);
    const { id } = svc.createCharacter(uid, `CHero${n}`, 'mage');
    db.prepare('UPDATE characters SET energy = ?, energy_updated_at = ? WHERE id = ?').run(energy, updatedAt, id);
    return uid;
  }

  it('REGRESSION: nextTickInSec is time to the NEXT +1, not time until full', () => {
    // 40/100 energy, last tick 60s ago → next +1 in 120s (regen is 180s per point)
    const p = svc.getCharacterProfile(hero(1, 40, NOW - 60_000));
    assert.equal(p.energy.current, 40);
    assert.equal(p.energy.nextTickInSec, 120);
  });

  it('nextTickInSec is 0 when energy is full', () => {
    const p = svc.getCharacterProfile(hero(2, 100, NOW));
    assert.equal(p.energy.current, 100);
    assert.equal(p.energy.nextTickInSec, 0);
  });

  it('applies offline regen when the profile is read', () => {
    // 10 energy, last tick 30 minutes ago → +10
    const p = svc.getCharacterProfile(hero(3, 10, NOW - 30 * 60_000));
    assert.equal(p.energy.current, 20);
  });

  it('a new hero starts at full HP and full energy, timestamped "now" (not server start time)', () => {
    const uid = Number(db.prepare('INSERT INTO users (username, password_hash, created_at) VALUES (?, ?, ?)').run('cu4', 'x', NOW).lastInsertRowid);
    const { id } = svc.createCharacter(uid, 'CHero4', 'warrior');
    const c = db.prepare('SELECT * FROM characters WHERE id = ?').get(id);
    assert.equal(c.energy, 100);
    assert.equal(c.energy_updated_at, NOW);
    assert.equal(c.hp_current, 135); // warrior L1: 50 + 8*10 + 5
  });
});