'use strict';
const fs=require('fs');
const path=require('path');
const assert=require('assert/strict');
const {root,functionSource}=require('./helpers/app-source');
const app=fs.readFileSync(path.join(root,'app.js'),'utf8');
const server=fs.readFileSync(path.join(root,'server.js'),'utf8');
const realtime=fs.readFileSync(path.join(root,'realtime-server.js'),'utf8');
const html=fs.readFileSync(path.join(root,'index.html'),'utf8');
const css=fs.readFileSync(path.join(root,'style.css'),'utf8');
const pkg=JSON.parse(fs.readFileSync(path.join(root,'package.json'),'utf8'));

assert(html.includes('<canvas id="presenceCanvas"'),'Presence canvas is missing');
assert(css.includes('#presenceCanvas')&&css.includes('.board-claim-badge'),'Presence or claim presentation styles are missing');
assert(app.includes('REALTIME_CURSOR_INTERVAL=50')&&app.includes('REALTIME_CURSOR_HEARTBEAT_INTERVAL=5000')&&app.includes('AUXILIARY_FRAME_INTERVAL'),'Cursor transport is not capped at 20 Hz or presence drawing is not tied to the auxiliary frame budget');
assert(functionSource('scheduleRealtimeViewport').includes('REALTIME_VIEWPORT_INTERVAL'),'Viewport subscription is not throttled');
assert(functionSource('drawPresenceLayer').includes('remotePlayers')&&functionSource('drawPresenceLayer').includes('scheduleMinimap'),'Remote cursors are not rendered through the shared canvas layer');
assert(functionSource('drawMinimap').includes('remotePlayers'),'Remote players are missing from the minimap');
assert(functionSource('requestBoardClaim').includes("type:'claim'")&&functionSource('touchBoardClaim').includes("type:'claim-touch'"),'Client claim lease messages are incomplete');
assert(server.includes("status:423")&&server.includes('hasClaim(player.playerId,rawRow.id)'),'Server clear validation does not require the active claimant');
assert(realtime.includes('5 * 60 * 1000')&&realtime.includes("releaseBoardClaim(boardId, 'moved')")&&realtime.includes("reason:'expired'"),'Five-minute lease or board-switch release behavior is missing');
assert(realtime.includes("message.type === 'viewport'")&&realtime.includes("message.type === 'cursor-hide'")&&realtime.includes('pointInViewport'),'Realtime fan-out is not viewport-filtered');
assert(!Object.keys(pkg.dependencies||{}).length&&Object.keys(pkg.devDependencies||{}).every(name=>name==='playwright-core'),'Phase 2 added an unnecessary runtime dependency');
console.log('Shared-world phase 2 source guards passed');