/**
 * adb method: swipe — 滑动（方向或起止坐标）
 */
const { calculateSwipeCoordinates } = require('./utils.js')

async function run(action, ctx) {
  const { device, resolution, variableContext, api, extractVarName, resolveValue } = ctx
  const inVars = action.inVars || []
  let direction = inVars.length > 0 ? (variableContext[extractVarName(inVars[0])] || inVars[0]) : resolveValue(action.value, variableContext)
  if (!direction) return { success: false, error: 'swipe 操作缺少方向参数' }
  let x1, y1, x2, y2
  if (inVars.length >= 3) {
    const start = variableContext[extractVarName(inVars[1])]
    const end = variableContext[extractVarName(inVars[2])]
    if (start && end) {
      x1 = start.x ?? start[0]
      y1 = start.y ?? start[1]
      x2 = end.x ?? end[0]
      y2 = end.y ?? end[1]
    }
  }
  if (x1 === undefined || y1 === undefined || x2 === undefined || y2 === undefined) {
    const coords = calculateSwipeCoordinates(direction, resolution.width, resolution.height)
    x1 = coords.x1
    y1 = coords.y1
    x2 = coords.x2
    y2 = coords.y2
  }
  if (!api?.sendSwipe) return { success: false, error: '滑动 API 不可用' }
  const swipeResult = await api.sendSwipe(device, x1, y1, x2, y2, 300)
  if (!swipeResult.success) return { success: false, error: `滑动失败: ${swipeResult.error != null ? swipeResult.error : 'unknown'}` }
  return { success: true }
}

module.exports = { run }