import { build } from 'esbuild'

const bundled = await build({
  bundle: true,
  entryPoints: ['src/core/loopFrameBaker.ts'],
  format: 'esm',
  platform: 'node',
  treeShaking: true,
  write: false,
})
const source = bundled.outputFiles[0].text
const moduleUrl = `data:text/javascript;base64,${Buffer.from(source).toString('base64')}`
const { closeLoopFrameSeam } = await import(moduleUrl)

const first = [{
  boneName: 'p_0', spawnId: 7, x: 12, y: -4, rotation: 30,
  scaleX: 1.2, scaleY: 0.8, alpha: 0.75, colorHex: 0xffcc00,
  resourceId: 1, imageFrameIndex: 2, imageVisible: true, active: true,
  trailState: {
    bones: [{ boneName: 'trail_0', x: 1, y: 2, rotation: 3 }],
    activeBoneCount: 1, width: 5, alpha: 0.5, colorHex: 0xffffff, resourceId: 1,
  },
}]
const frames = [first, [{ ...first[0], spawnId: 99, x: 200, y: 300 }]]

closeLoopFrameSeam(frames)

if (JSON.stringify(frames[0]) !== JSON.stringify(frames[1])) {
  throw new Error('循环尾帧没有与首帧保持完全一致')
}
if (frames[0] === frames[1] || frames[0][0] === frames[1][0] || frames[0][0].trailState === frames[1][0].trailState) {
  throw new Error('循环闭合帧必须是深拷贝，不能共享可变状态')
}

console.log('循环持续：首尾粒子身份、变换、生命周期表现及拖尾状态完全一致')