/**
 * Headless test for Session 11 - Golden Starbloom random event.
 * Verifies golden bloom scheduling, claiming, and the production boost.
 */

// Minimal DOM stubs (only what our code touches)
global.document = {
    getElementById: () => ({ getBoundingClientRect: () => ({ left: 0, top: 0, width: 300, height: 200 }) }),
    querySelector: () => null,
    addEventListener: () => {},
    querySelectorAll: () => [],
};

// UI stub capturing notifications + spawn/remove calls
const notifications = [];
global.UI = {
    showNotification: (msg) => notifications.push(msg),
    update: () => {},
    spawnGoldenBloom: () => { global.__spawned = (global.__spawned || 0) + 1; },
    removeGoldenBloom: () => { global.__removed = (global.__removed || 0) + 1; },
    updateGoldenBloomBadge: () => {},
};

// Audio / Particles stubs
global.Audio = { playGoldenBloom: () => {} };
global.Particles = { createGoldenEffect: (x, y) => { global.__goldX = x; global.__goldY = y; } };

// Load the real game engine source and eval it in this scope.
import { readFileSync } from 'fs';
const src = readFileSync('/opt/data/idle-game/js/game.js', 'utf8')
    .replace(/window\.Game = Game;/, '')
    + '\nglobalThis.Game = Game;\n';

eval(src);

// Build stubs for the data modules needed by the engine.
global.BUILDINGS = {
    starSprout: { id: 'starSprout', baseCost: 15, baseProduction: 0.1 },
    moonBloom: { id: 'moonBloom', baseCost: 100, baseProduction: 0.5 },
};
global.UPGRADES = {};

// Minimal prestige stub returning x1 multiplier (no bonus) so we can isolate
// golden-bloom math from the real prestige system.
global.PRESTIGE = { getMultiplier: () => 1 };
global.PRESTIGE_UPGRADES = {};

// Achievements stub - check() must be a no-op for these tests.
global.Achievements = { check: () => {} };

let passed = 0, failed = 0;
function assert(cond, msg) {
    if (cond) { passed++; console.log(`  OK ${msg}`); }
    else { failed++; console.error(`  FAIL ${msg}`); }
}

console.log('Test 1: no bloom active initially -> remaining is 0');
Game.state.goldenBlooms.active = false;
assert(Game.getGoldenBloomRemaining() === 0, `remaining is 0 (got ${Game.getGoldenBloomRemaining()})`);

console.log('Test 2: claiming with no active bloom returns 0 and does not award stardust');
const before = Game.state.stardust;
Game.state.goldenBlooms.active = false;
const none = Game.claimGoldenBloom(10, 10);
assert(none === 0, `claim returned 0 when inactive (got ${none})`);
assert(Game.state.stardust === before, 'stardust unchanged when no bloom');

console.log('Test 3: golden bloom bonus = floor(production * mult), production boost applied');
// Give the player some buildings so production is deterministic.
Game.state.buildings = { starSprout: 10 }; // 10 * 0.1 = 1.0 /s (prestige multiplier = 1)
Game.state.productionBoostUntil = 0;
const remaining0 = Game.getGoldenBloomRemaining();
Game.state.goldenBlooms.active = true;
Game.state.goldenBlooms.timer = 5;
assert(Game.getGoldenBloomRemaining() === 5, `remaining reflects timer (got ${Game.getGoldenBloomRemaining()})`);

const prodBefore = Game.getProductionPerSecond();
assert(Math.abs(prodBefore - 1.0) < 1e-9, `production is 1.0 before boost (got ${prodBefore})`);

// Activate the boost and check the x1.5 multiplier.
Game.state.productionBoostUntil = Date.now() + 30000;
const prodBoosted = Game.getProductionPerSecond();
assert(Math.abs(prodBoosted - 1.5) < 1e-9, `production is 1.5 during boost (got ${prodBoosted})`);

const boostInfo = Game.getProductionBoostInfo();
assert(boostInfo.active === true, 'boost info reports active');
assert(boostInfo.remaining > 0 && boostInfo.remaining <= 30, `boost remaining in range (${boostInfo.remaining})`);

// Now claim the bloom. Bonus should be floor(1.5 * 15) = 22.
Game.state.productionBoostUntil = Date.now() + 30000; // keep boost on so bonus uses boosted prod
const earned = Game.claimGoldenBloom(42, 84);
assert(earned === Math.floor(1.5 * 15), `bonus is floor(prod*mult)=${Math.floor(1.5*15)} (got ${earned})`);
assert(Game.state.stardust === before + earned, 'stardust increased by exactly the bonus');
assert(Game.state.goldenBlooms.totalClaimed === 1, 'totalClaimed incremented to 1');
assert(Game.state.goldenBlooms.active === false, 'bloom no longer active after claim');
assert(global.__goldX === 42 && global.__goldY === 84, `particle coords passed through (${global.__goldX}, ${global.__goldY})`);
assert(notifications.some(n => /Golden Starbloom/.test(n)), 'golden bloom notification shown');

console.log('Test 4: boost expires correctly via getProductionBoostInfo');
Game.state.productionBoostUntil = Date.now() - 1000; // already expired
const expired = Game.getProductionBoostInfo();
assert(expired.active === false && expired.remaining === 0, 'boost inactive after expiry');
const prodExpired = Game.getProductionPerSecond();
assert(Math.abs(prodExpired - 1.0) < 1e-9, `production back to 1.0 after boost expires (got ${prodExpired})`);

console.log('Test 5: updateGoldenBloom countdown decrements active bloom and vanishes');
Game.state.goldenBlooms.active = true;
Game.state.goldenBlooms.timer = 2.0;
Game.updateGoldenBloom(1.0); // advance 1s
assert(Game.state.goldenBlooms.active === true && Game.state.goldenBlooms.timer === 1.0, `countdown decremented (timer=${Game.state.goldenBlooms.timer})`);
Game.updateGoldenBloom(1.5); // more than remaining -> vanishes
assert(Game.state.goldenBlooms.active === false && Game.state.goldenBlooms.timer === 0, 'bloom vanishes when timer hits 0');

console.log('Test 6: bloom spawns after elapsed reaches maxMs (forced)');
Game.state.goldenBlooms.active = false;
Game.state.goldenBlooms.lastSpawn = Date.now() - (Game.config.goldenBloomMaxMs + 1); // past maximum
global.__spawned = 0;
Game.updateGoldenBloom(0.1);
assert(Game.state.goldenBlooms.active === true, 'bloom spawns once maxMs has elapsed');
assert(Game.state.goldenBlooms.timer === Game.config.goldenBloomDuration, `timer set to duration (${Game.state.goldenBlooms.timer})`);
assert(global.__spawned >= 1, `UI.spawnGoldenBloom called (${global.__spawned}x)`);

console.log('Test 7: bloom does NOT spawn before minMs elapsed');
Game.state.goldenBlooms.active = false;
Game.state.goldenBlooms.lastSpawn = Date.now(); // just now
const spawnedBefore = global.__spawned || 0;
Game.updateGoldenBloom(5); // advance a few seconds (well under minMs)
assert(Game.state.goldenBlooms.active === false, 'no premature spawn before minMs');

console.log(`\nResult: ${passed} passed, ${failed} failed`);
process.exit(failed === 0 ? 0 : 1);