/** 语句：keyevent 系统按键（含 adb 下 keyevent 子逻辑） */
const types = ['keyevent']

function parse(action, parseContext) {
  return Object.assign({}, action, { type: 'keyevent' })
}

async function execute(action, ctx) {
  const { device, variableContext, api, extractVarName, resolveValue } = ctx
  let keyCode = null
  const inVars = action.inVars || []
  if (inVars.length > 0) {
    const keyVar = extractVarName(inVars[0])
    keyCode = variableContext[keyVar] || keyVar
  } else if (action.value) {
    keyCode = resolveValue(action.value, variableContext)
  }
  if (!keyCode) return { success: false, error: 'keyevent 操作缺少按键代码参数' }
  if (keyCode === 'KEYCODE_BACK') keyCode = '4'
  const keyResult = api.sendSystemKey(device, String(keyCode))
  if (!keyResult.success) return { success: false, error: `按键失败: ${keyResult.error}` }
  return { success: true }
}

module.exports = { types, parse, execute }