# Setup script for nekomancer01/DarkSoulsPS2 on Windows (PowerShell), from https://gitmanual.com/nekomancer01/DarkSoulsPS2
# 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 '1/3 Clone the repository'
if (-not (Test-Path 'DarkSoulsPS2')) { Invoke-Step { git clone https://github.com/nekomancer01/DarkSoulsPS2.git } }
Set-Location 'DarkSoulsPS2'

Write-Step '2/3 Install the required tools'
# make, Python 3
# or use WSL
if (-not (Have 'make')) { Invoke-Step { winget install GnuWin32.Make -e --accept-source-agreements --accept-package-agreements }; Update-Path }
if (-not (Have 'python')) { Invoke-Step { winget install Python.Python.3.12 -e --accept-source-agreements --accept-package-agreements }; Update-Path }

Write-Step '3/3 Follow the README: Quick start'
# Run these in Git Bash (installed with Git) or WSL — not PowerShell. Do the README instructions above first.
# (needs Git Bash or WSL on Windows) export DSR_GAME="$HOME/.local/share/Steam/steamapps/common/DARK SOULS REMASTERED"
Invoke-Step { python3 tools/verify_game.py }
Invoke-Step { python3 -m venv .venv }
Invoke-Step { .venv/bin/pip install -r tools/requirements.txt }
# (needs Git Bash or WSL on Windows) source ps2/env.sh
Invoke-Step { make -C ps2/proto }
# (needs Git Bash or WSL on Windows) tools/pcsx2-run.sh build/proto.elf
# writes build/proto.iso
Invoke-Step { make -C ps2/proto iso }

Write-Host 'Set up nekomancer01/DarkSoulsPS2.'
Write-Host 'Manual: https://gitmanual.com/nekomancer01/DarkSoulsPS2'