import { TestCase } from "./framework/test_case.js";
import { smallState } from "./framework/helpers.js";
import { HOURS_PER_DAY } from "../shared/game_state/constants.js";
import { RESOURCE_MARKET_BASE } from "../shared/data.js";

// The opening settle: the server runs the world forward until commodity prices
// hold steady, so a fresh game is not served mid-shakeout.
export class WarmupTest extends TestCase {
  test_prices_are_not_steady_before_the_window_is_full() {
    const state = smallState();
    this.assertFalse(state.pricesAreSteady(7, 0.1), "a fresh market has no history to judge");
  }

  test_settling_stops_once_prices_hold_steady() {
    const state = smallState();
    const days = state.warmUpToStability({ maxDays: 90 });
    this.assertLess(days, 90, "it stopped early rather than at the cap");
    this.assertGreaterOrEqual(days, 7, "it ran at least the seven-day window");
    this.assertTrue(state.pricesAreSteady(7, 0.1), "prices are steady when it decides to stop");
  }

  test_settling_stops_at_the_cap_when_it_never_steadies() {
    const state = smallState();
    const days = state.warmUpToStability({ maxDays: 3 });
    this.assertEqual(days, 3, "the cap bounds a world that never settles");
    this.assertEqual(state.totalHours, 3 * HOURS_PER_DAY, "three days were actually run");
  }

  test_a_zero_cap_skips_the_settle() {
    const state = smallState();
    this.assertEqual(state.warmUpToStability({ maxDays: 0 }), 0, "nothing is run");
    this.assertEqual(state.totalHours, 0, "the clock did not move");
  }

  test_a_fixed_warm_up_still_runs_the_exact_days() {
    const state = smallState();
    state.warmUp(5);
    this.assertEqual(state.totalHours, 5 * HOURS_PER_DAY, "a fixed settle runs every day asked for");
  }

  // The rare goods used to settle at a huge multiple of their base because the
  // seeded mines were cached as unreachable and never sold, so a regression here
  // is what a producer-less trade graph looks like.
  test_the_settled_world_opens_with_the_rare_goods_near_their_base() {
    const state = smallState();
    state.warmUpToStability({ maxDays: 150 });
    for (const id of ["luxury", "hightech"]) {
      const index = state.getResourcePrice(id) / RESOURCE_MARKET_BASE[id];
      this.assertTrue(
        index > 0.5 && index < 2.5,
        `${id} settles near its base price (index ${index.toFixed(2)})`
      );
    }
    this.assertTrue(state.pricesAreSteady(7, 0.1), "and the market is steady");
  }
}