$ErrorActionPreference = "Stop"

$BaseUrl = if ($env:TEZZ_INSTALL_BASE) { $env:TEZZ_INSTALL_BASE } else { "https://tn.tezzcorp.com/download" }
$InstallDir = if ($env:TEZZ_INSTALL_DIR) { $env:TEZZ_INSTALL_DIR } else { Join-Path $HOME "TezzNative" }
$ZipPath = Join-Path $env:TEMP "tezznative-sdk.zip"
$ApiBase = if ($env:TEZZ_API_BASE) { $env:TEZZ_API_BASE } else { ($BaseUrl -replace "/download/?$", "") + "/api" }
$InstallId = if ($env:TEZZ_INSTALL_ID) { $env:TEZZ_INSTALL_ID } else { "win-" + [guid]::NewGuid().ToString() }

function Send-InstallEvent {
  param(
    [string]$Status,
    [string]$Message
  )
  try {
    Invoke-RestMethod -Method Post -Uri "$ApiBase/install_event" -Body @{
      platform   = "windows"
      version    = "1.0.0"
      status     = $Status
      install_id = $InstallId
      message    = $Message
    } | Out-Null
  } catch {
  }
}

try {
  Write-Host "Downloading TezzNative SDK..."
  Invoke-WebRequest -Uri "$BaseUrl/tezznative-sdk.zip" -OutFile $ZipPath

  if (Test-Path $InstallDir) {
    Remove-Item -Recurse -Force $InstallDir
  }
  New-Item -ItemType Directory -Path $InstallDir | Out-Null
  Expand-Archive -Path $ZipPath -DestinationPath $InstallDir -Force
  Remove-Item $ZipPath -Force

  $SdkDir = Join-Path $InstallDir "sdk"
  $BinDir = Join-Path $HOME "bin"
  if (-not (Test-Path $BinDir)) {
    New-Item -ItemType Directory -Path $BinDir | Out-Null
  }
  $CmdShimPath = Join-Path $BinDir "tezz.cmd"
  $PsShimPath = Join-Path $BinDir "tezz.ps1"
  $TezzcShimPath = Join-Path $BinDir "tezzc.cmd"
  $TezzcExe = Join-Path $SdkDir "bin\\tezzc-windows-x64.exe"
  $CmdShim = "@echo off`r`n""$SdkDir\tezz.cmd"" %*`r`n"
  $PsShim = "& ""$SdkDir\tezz.ps1"" @args`r`n"
  Set-Content -Path $CmdShimPath -Value $CmdShim -Encoding ASCII
  Set-Content -Path $PsShimPath -Value $PsShim -Encoding ASCII
  if (Test-Path $TezzcExe) {
    $TezzcShim = "@echo off`r`n""$TezzcExe"" %*`r`n"
    Set-Content -Path $TezzcShimPath -Value $TezzcShim -Encoding ASCII
  }

  Write-Host ""
  Write-Host "TezzNative installed to $InstallDir"
  Write-Host "Add $BinDir to PATH, then run:"
  Write-Host "  tezz doctor"
  Write-Host "  tezz run hello.tn"

  Send-InstallEvent -Status "success" -Message "sdk installed"
} catch {
  Send-InstallEvent -Status "failed" -Message $_.Exception.Message
  throw
}