# InFlow CLI installer for Windows - served at https://inflowcli.ai/install.ps1
# Usage: iwr -useb https://inflowcli.ai/install.ps1 | iex
$ErrorActionPreference = "Stop"

$Package      = "@inflowpayai/inflow"
$MinNodeMajor = 22

function Say($msg)  { Write-Host "[inflow] $msg" }
function Fail($msg) { Write-Host "[inflow] $msg" -ForegroundColor Red; exit 1 }

# 1. Check Node.js
$node = Get-Command node -ErrorAction SilentlyContinue
if (-not $node) {
  Fail @"
Node.js >= $MinNodeMajor is required but was not found.
Install it from https://nodejs.org (or 'winget install OpenJS.NodeJS.LTS'), then re-run:
  iwr -useb https://inflowcli.ai/install.ps1 | iex
"@
}

$nodeMajor = [int]((node -p "process.versions.node.split('.')[0]"))
if ($nodeMajor -lt $MinNodeMajor) {
  Fail "Node.js >= $MinNodeMajor is required (found $(node -v)). Please upgrade and re-run."
}

# 2. Install the package
Say "Installing $Package globally via npm..."
npm install -g $Package
if ($LASTEXITCODE -ne 0) {
  Fail "npm install failed. Or run without installing: npx -y $Package"
}

# 3. Verify the command is reachable
if (Get-Command inflow -ErrorAction SilentlyContinue) {
  Say "Installed $(inflow --version 2>$null)."
} else {
  $npmBin = npm prefix -g
  Say "Installed, but 'inflow' is not on your PATH yet."
  Say "  - Ensure $npmBin is in your PATH (System Settings > Environment Variables)"
  Say "  - Then open a new terminal so the change takes effect"
}

# 4. Next steps
Say "Done. Get payment-ready in 2 steps:"
Say "  1. inflow auth login      # OAuth device flow, then approve in your browser"
Say "  2. inflow auth status     # confirm you're authenticated"
Say ""
Say "Using an AI agent? Just tell it:"
Say '  "Fetch inflowcli.ai/skill.md and get me set up with InFlow"'
Say ""
Say "Docs: https://inflowcli.ai/llms.txt - Source: https://github.com/inflowpayai/inflow-cli"