/**
 * adb method: input — 输入文本（支持 clear 清空）
 */
async function run(action, ctx) {
  const { device, folderPath, variableContext, api, extractVarName, resolveValue } = ctx
  const inVars = action.inVars || []
  let inputValue = inVars.length > 0 ? variableContext[extractVarName(inVars[0])] : null
  if (!inputValue && action.value) inputValue = resolveValue(action.value, variableContext)
  if (!inputValue) return { success: false, error: 'input 操作缺少输入内容' }
  if (action.clear) {
    for (let i = 0; i < 200; i++) {
      const clearResult = await api.sendKeyEvent(device, '67')
      if (!clearResult.success) break
      await new Promise((r) => setTimeout(r, 10))
    }
    await new Promise((r) => setTimeout(r, 200))
  }
  if (!api?.sendText) return { success: false, error: '输入 API 不可用' }
  const textResult = await api.sendText(device, String(inputValue))
  if (!textResult.success) return { success: false, error: `输入失败: ${textResult.error != null ? textResult.error : 'unknown'}` }
  return { success: true }
}

module.exports = { run }