# re-spot installer: puts the re-spot app on an Echo Spot (2017) that already runs LineageOS.
# Run in PowerShell (not as administrator):
#   irm https://spot.wrightserver.org/setup.ps1 | iex
# It downloads Android's adb tool (from Google) and the re-spot app (from this site) into
# %LOCALAPPDATA%\re-spot, installs the app on the Spot over USB, and makes it the home screen.

$ErrorActionPreference = 'Stop'
$ProgressPreference = 'SilentlyContinue'
$site = 'https://spot.wrightserver.org'
$dir = Join-Path $env:LOCALAPPDATA 're-spot'
New-Item -ItemType Directory -Force $dir | Out-Null

function Step($t) { Write-Host "`n== $t" -ForegroundColor Yellow }
function Fail($t) { Write-Host "`n$t" -ForegroundColor Red; Read-Host 'Press Enter to close'; exit 1 }

Write-Host 're-spot setup' -ForegroundColor Cyan

Step 'Getting adb (Android platform-tools from Google)'
$adb = Join-Path $dir 'platform-tools\adb.exe'
if (-not (Test-Path $adb)) {
  $zip = Join-Path $dir 'platform-tools.zip'
  Invoke-WebRequest 'https://dl.google.com/android/repository/platform-tools-latest-windows.zip' -OutFile $zip -UseBasicParsing
  Expand-Archive $zip $dir -Force
}
& $adb start-server 2>$null | Out-Null
Write-Host 'ok'

Step 'Looking for the Spot'
Write-Host 'Plug the Spot into this PC with a micro-USB DATA cable (the port is under the cover on the back).'
Write-Host 'If the Spot asks "Allow USB debugging?", tick "Always allow" and tap Allow.'
$serial = $null
for ($i = 0; $i -lt 90 -and -not $serial; $i++) {
  $lines = & $adb devices | Select-Object -Skip 1 | Where-Object { $_ -match '\S' }
  $ready = $lines | Where-Object { $_ -match '\tdevice$' } | Select-Object -First 1
  if ($ready) { $serial = ($ready -split '\t')[0]; break }
  if ($lines -match 'unauthorized' -and $i % 5 -eq 0) { Write-Host '  Waiting for you to tap Allow on the Spot...' }
  elseif ($i % 10 -eq 0) { Write-Host '  Waiting for the Spot...' }
  Start-Sleep 2
}
if (-not $serial) {
  Fail ("No Spot found. Check that USB debugging is on (Settings > System > Developer options), try another cable, " +
        "and if Windows shows an unknown device, install Google's USB driver: https://developer.android.com/studio/run/win-usb")
}
$model = (& $adb -s $serial shell getprop ro.product.device).Trim()
if ($model -ne 'rook') {
  Write-Host "This device reports '$model', not an Echo Spot (rook). re-spot is made for the Spot's round screen." -ForegroundColor Yellow
  if ((Read-Host 'Install anyway? (y/N)') -ne 'y') { exit 0 }
}
Write-Host "Found $serial ($model)"

Step 'Downloading the re-spot app'
$apk = Join-Path $dir 'respot.apk'
Invoke-WebRequest "$site/download/respot.apk" -OutFile $apk -UseBasicParsing
Write-Host "ok ($([math]::Round((Get-Item $apk).Length / 1KB)) KB)"

Step 'Installing on the Spot'
& $adb -s $serial install -r $apk
if ($LASTEXITCODE) { Fail 'Install failed (see the message above).' }
& $adb -s $serial shell cmd package set-home-activity com.spot.home/.MainActivity | Out-Null
& $adb -s $serial shell settings put secure immersive_mode_confirmations confirmed | Out-Null
& $adb -s $serial shell am start -n com.spot.home/.MainActivity | Out-Null

Write-Host "`nDone! The Spot now shows re-spot." -ForegroundColor Green
Write-Host 'Next: on the Spot, long-press an empty spot > re-spot website > Get a link code,'
Write-Host "then sign in at $site and enter the code under 'Link a Spot'."
Read-Host "`nPress Enter to close"