import { defineEventHandler, readBody, createError } from 'h3'
import { verifyCaptcha } from '../../utils/guard'

/**
 * 校验滑块拼图位置。
 * body: { token, x }  x 为用户拖动后拼图块中心 X 坐标。
 * 成功返回 { pass: true, ticket }（ticket 为一次性提交票据）；失败返回 { pass: false }。
 */
export default defineEventHandler(async (event) => {
  const body = (await readBody(event).catch(() => ({}))) as Record<string, any>
  const token = body?.token
  const x = Number(body?.x)

  if (!token || !Number.isFinite(x)) {
    throw createError({ statusCode: 400, statusMessage: '参数缺失' })
  }

  const ticket = await verifyCaptcha(token, x)
  if (!ticket) return { pass: false }

  return { pass: true, ticket }
})