name: btp-cli

variables:
  # The SAP BTP CLI is distributed under the SAP Developer License
  # (https://tools.hana.ondemand.com/developer-license-3_2.txt). Set this to
  # true to accept it; otherwise the CLI is not installed.
  - name: accept_sap_developer_license
    type: boolean
    value: false

fodder:
- name: install-btp-cli
  type: shellscript
  filename: install-btp-cli.ps1
  content: |
    #ps1_sysnative
    # Installs the SAP BTP command line interface (btp) for all users.
    $ErrorActionPreference = 'Stop'
    $ProgressPreference = 'SilentlyContinue'
    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072

    $license = 'https://tools.hana.ondemand.com/developer-license-3_2.txt'
    if ('{{ accept_sap_developer_license }}' -ne 'true') {
        Write-Host "SAP BTP CLI not installed: it is licensed under the SAP Developer License ($license)."
        Write-Host 'Set the variable accept_sap_developer_license to true to accept it and install the CLI.'
        exit 0
    }

    $installDir = Join-Path $env:ProgramFiles 'SAP\btp-cli'
    $btp = Join-Path $installDir 'btp.exe'
    if (-not (Test-Path $btp)) {
        $tempDir = Join-Path $env:TEMP 'btp-cli'
        New-Item -ItemType Directory -Path $tempDir -Force | Out-Null
        try {
            $archive = Join-Path $tempDir 'btp-cli.tar.gz'
            Write-Host 'Downloading the SAP BTP CLI (SAP Developer License accepted)...'
            # The download site requires the license acceptance cookie.
            curl.exe -fsSL --retry 3 -o $archive `
                --cookie 'eula_3_2_agreed=tools.hana.ondemand.com/developer-license-3_2.txt' `
                'https://tools.hana.ondemand.com/additional/btp-cli-windows-amd64-latest.tar.gz'
            if ($LASTEXITCODE -ne 0) { throw "Download of the BTP CLI failed (curl exit $LASTEXITCODE)" }
            tar.exe -xzf $archive -C $tempDir
            if ($LASTEXITCODE -ne 0) { throw "Extracting the BTP CLI failed (tar exit $LASTEXITCODE)" }
            New-Item -ItemType Directory -Path $installDir -Force | Out-Null
            Copy-Item -Path (Join-Path $tempDir 'windows-amd64\btp.exe') -Destination $btp -Force
        }
        finally {
            Remove-Item $tempDir -Recurse -Force -ErrorAction SilentlyContinue
        }
    }
    Write-Host "btp: $(& $btp --version | Select-Object -First 1)"

    $machinePath = [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
    if (($machinePath -split ';') -notcontains $installDir) {
        [System.Environment]::SetEnvironmentVariable('Path', "$machinePath;$installDir", 'Machine')
        Write-Host "Added $installDir to the system PATH"
    }