# Setup script for bytedance/deer-flow on Windows (PowerShell), from https://gitmanual.com/bytedance/deer-flow
# Read it before you run it: the commands come from the repo's own README and files.
# Run: powershell -ExecutionPolicy Bypass -File .\setup.ps1
$ErrorActionPreference = "Stop"
function Write-Step($t) { Write-Host "`n==> $t" -ForegroundColor Cyan }
# Windows ships a python that only opens the Microsoft Store; it doesn't count.
function Have($c) { $cmd = Get-Command $c -ErrorAction SilentlyContinue; [bool]$cmd -and $cmd.Source -notlike '*\WindowsApps\*' }
# New installs change PATH; pick it up without opening a new window.
function Update-Path { $env:Path = [Environment]::GetEnvironmentVariable("Path", "Machine") + ";" + [Environment]::GetEnvironmentVariable("Path", "User") }
# Stop when a program fails, like bash's set -e. Dot-sourced, so cd and venv activation carry on to the next step.
function Invoke-Step([scriptblock]$Block) { $global:LASTEXITCODE = 0; . $Block; if ($LASTEXITCODE) { throw "Failed with exit code $LASTEXITCODE" } }

Write-Step '1/2 Clone the repository'
if (-not (Test-Path 'deer-flow')) { Invoke-Step { git clone https://github.com/bytedance/deer-flow.git } }
Set-Location 'deer-flow'

Write-Step '2/2 Configure environment variables'
# Fill in secrets: SERPER_API_KEY, EXA_API_KEY, SERPLY_API_KEY, TAVILY_API_KEY, JINA_API_KEY, INFOQUEST_API_KEY, SOFYA_API_KEY, UNBROWSE_API_KEY
if (-not (Test-Path .env)) { Copy-Item .env.example .env; Write-Host 'Created .env. Fill in secrets: SERPER_API_KEY, EXA_API_KEY, SERPLY_API_KEY, TAVILY_API_KEY, JINA_API_KEY, INFOQUEST_API_KEY, SOFYA_API_KEY, UNBROWSE_API_KEY in .env, then run this script again.'; exit 0 }

Write-Host 'Set up bytedance/deer-flow.'
Write-Host 'Fill in secrets: SERPER_API_KEY, EXA_API_KEY, SERPLY_API_KEY, TAVILY_API_KEY, JINA_API_KEY, INFOQUEST_API_KEY, SOFYA_API_KEY, UNBROWSE_API_KEY'
Write-Host 'Manual: https://gitmanual.com/bytedance/deer-flow'