import { build } from 'esbuild'

const bundled = await build({
  bundle: true,
  stdin: {
    contents: "export { fieldFalloff, vortexAcceleration } from './src/core/particleMath.ts'",
    resolveDir: process.cwd(),
    sourcefile: 'vortex-test-entry.ts',
  },
  format: 'esm',
  platform: 'node',
  write: false,
})
const source = bundled.outputFiles[0].text
const api = await import(`data:text/javascript;base64,${Buffer.from(source).toString('base64')}`)

if (api.fieldFalloff('constant', 50, 100) !== 1) throw new Error('恒定衰减计算错误')
if (api.fieldFalloff('linear', 50, 100) !== 0.5) throw new Error('线性衰减计算错误')
if (api.fieldFalloff('inverse', 5, 100) !== 10) throw new Error('距离反比衰减计算错误')
if (api.fieldFalloff('constant', 101, 100) !== 0) throw new Error('漩涡范围外不应有力')

const counterclockwise = api.vortexAcceleration(10, 0, 0, 0, 2, 100, 'constant')
if (counterclockwise.x !== 0 || counterclockwise.y !== 20) throw new Error('正强度应产生逆时针切向力')
const clockwise = api.vortexAcceleration(10, 0, 0, 0, -2, 100, 'constant')
if (clockwise.x !== 0 || clockwise.y !== -20) throw new Error('负强度应产生顺时针切向力')

console.log('漩涡力方向、半径与三种衰减模式校验通过')