const aperture = require('aperture')()
const delay = require('delay')
const robot = require('robotjs')
const util = require('util')
const exec = util.promisify(require('child_process').exec)
const {
  makeAppActive,
  moveAndResizeApp,
  compressVideo,
} = require('../../utils')

module.exports = {
  run: async (outputPath) => {
    console.log('> Recording dock mineffect with param set to suck')

    const { stderr: setEnvError } = await exec(
      'defaults write com.apple.dock mineffect -string suck && killall Dock'
    )
    if (setEnvError) {
      console.error(
        'An error occured while setting up the dock mineffect command'
      )
      logRollbackInfo()
      throw new Error(setEnvError)
    }

    // Preparation
    await makeAppActive('System Preferences')

    const { width, height } = robot.getScreenSize()
    const pos1 = { x: width - 682, y: height - 695 }
    const pos2 = { x: width - 110, y: height - 50 }
    const recordWidth = 750
    const recordHeight = 750
    const cropArea = {
      x: width - recordWidth,
      y: 0,
      width: recordWidth,
      height: recordHeight,
    }
    const windowCropArea = {
      x: cropArea.x + 21,
      y: 156,
      width: 668,
      height: 568,
    }

    await moveAndResizeApp('System Preferences', windowCropArea, height)

    robot.moveMouse(pos1.x, pos1.y)

    // Action!
    await aperture.startRecording({ highlightClicks: true, cropArea })

    robot.mouseClick()
    await delay(100)
    robot.moveMouseSmooth(pos2.x, pos2.y, 2)
    await delay(400)
    robot.mouseClick()
    await delay(400)
    robot.moveMouseSmooth(pos1.x, pos1.y, 2)
    await delay(200)

    const fp = await aperture.stopRecording()
    // End recording

    robot.keyTap('q', 'command')

    try {
      await compressVideo(fp, outputPath, 'suck')
    } catch (compressVideoError) {
      logRollbackInfo()
      throw new Error(compressVideoError)
    }

    const { stderr: deleteEnvError } = await exec(
      'defaults delete com.apple.dock mineffect && killall Dock'
    )
    if (deleteEnvError) {
      console.error(
        'An error occured while cleaning the dock mineffect environment'
      )
      logRollbackInfo()
      throw new Error(deleteEnvError)
    }

    return { filepath: `${outputPath}/suck`, isVideo: true }
  },
}

function logRollbackInfo() {
  console.info(
    'Please manually run this command to make sure everything is properly reset:'
  )
  console.info('defaults delete com.apple.dock mineffect && killall Dock')
}