bootstrap.ps1

<#
.SYNOPSIS
  Bootstrap WezTerm + Oh My Posh config from dotfiles-koo onto Windows.

.DESCRIPTION
  - Installs WezTerm and Oh My Posh via winget if available
  - Copies wezterm config to $env:USERPROFILE\.config\wezterm
  - Copies oh-my-posh theme to $env:USERPROFILE\.config\ohmyposh
  - Appends oh-my-posh init to PowerShell profile if not already present

.USAGE
  Run from repo root:
    .\bootstrap.ps1

  Dry run (preview only, no changes):
    .\bootstrap.ps1 -DryRun

.NOTES
  Requires PowerShell 7 (pwsh). Run as regular user — no elevation needed.
#>

[CmdletBinding()]
param (
   [switch]$DryRun
)

$ErrorActionPreference = 'Stop'
$repoRoot = $PSScriptRoot

function Write-Step($msg) { Write-Host "`n>> $msg" -ForegroundColor Cyan }
function Write-Ok($msg)   { Write-Host "   OK  $msg" -ForegroundColor Green }
function Write-Skip($msg) { Write-Host "   --  $msg" -ForegroundColor DarkGray }
function Write-Warn($msg) { Write-Warning "   $msg" }

function Safe-Copy($src, $dst) {
   if (-not (Test-Path $src)) {
      Write-Warn "Source not found, skipping: $src"
      return
   }
   if ($DryRun) {
      Write-Skip "[DryRun] Would copy $src -> $dst"
      return
   }
   New-Item -ItemType Directory -Force -Path (Split-Path $dst) | Out-Null
   Copy-Item -Path $src -Destination $dst -Recurse -Force
   Write-Ok "Copied $src -> $dst"
}

# ── 1. Install via winget ─────────────────────────────────────────────────────
Write-Step "Installing tools via winget"

if (Get-Command winget -ErrorAction SilentlyContinue) {
   foreach ($pkg in @(
      @{ id = 'WezTerm.WezTerm';         label = 'WezTerm'       },
      @{ id = 'JanDeDobbeleer.OhMyPosh'; label = 'Oh My Posh'    }
   )) {
      if ($DryRun) {
         Write-Skip "[DryRun] Would install $($pkg.label)"
      } else {
         try {
            winget install --id $pkg.id -e --silent `
               --accept-source-agreements --accept-package-agreements
            Write-Ok "$($pkg.label) installed"
         } catch {
            Write-Skip "$($pkg.label) already installed or install skipped"
         }
      }
   }
} else {
   Write-Warn "winget not found. Install WezTerm and Oh My Posh manually:"
   Write-Warn "  https://wezfurlong.org/wezterm/install/windows.html"
   Write-Warn "  https://ohmyposh.dev/docs/installation/windows"
}

# ── 2. Copy WezTerm config ────────────────────────────────────────────────────
Write-Step "Copying WezTerm config"

$weztermSrc = Join-Path $repoRoot 'wezterm'
$weztermDst = Join-Path $env:USERPROFILE '.config\wezterm'

if (Test-Path (Join-Path $weztermDst 'wezterm.lua')) {
   Write-Warn "Existing WezTerm config found at $weztermDst"
   $confirm = if ($DryRun) { 'n' } else { Read-Host "   Overwrite? [y/N]" }
   if ($confirm -ne 'y') {
      Write-Skip "Skipping WezTerm config copy"
   } else {
      Safe-Copy $weztermSrc $weztermDst
   }
} else {
   Safe-Copy $weztermSrc $weztermDst
}

# ── 3. Copy Oh My Posh theme ──────────────────────────────────────────────────
Write-Step "Copying Oh My Posh theme"

$ompSrc = Join-Path $repoRoot 'ohmyposh\.poshconfig.json'
$ompDst = Join-Path $env:USERPROFILE '.config\ohmyposh\.poshconfig.json'

Safe-Copy $ompSrc $ompDst

# ── 4. Wire up PowerShell profile ────────────────────────────────────────────
Write-Step "Updating PowerShell profile"

$profilePath = $PROFILE.CurrentUserAllHosts
$initLine = "oh-my-posh init pwsh --config `"$ompDst`" | Invoke-Expression"

if (-not (Test-Path $profilePath)) {
   if (-not $DryRun) {
      New-Item -ItemType File -Force -Path $profilePath | Out-Null
   }
}

$profileContent = if (Test-Path $profilePath) { Get-Content $profilePath -Raw } else { '' }

if ($profileContent -match [regex]::Escape('oh-my-posh init pwsh')) {
   Write-Skip "Profile already contains oh-my-posh init — not modified"
} elseif ($DryRun) {
   Write-Skip "[DryRun] Would append oh-my-posh init to $profilePath"
} else {
   Add-Content -Path $profilePath -Value "`n# Oh My Posh — dotfiles-koo`n$initLine`n"
   Write-Ok "Appended oh-my-posh init to $profilePath"
}

# ── 5. Summary ────────────────────────────────────────────────────────────────
Write-Host ""
Write-Host "Bootstrap complete." -ForegroundColor Green
if ($DryRun) {
   Write-Host "(DryRun — no files were modified)" -ForegroundColor Yellow
} else {
   Write-Host "Next steps:" -ForegroundColor Cyan
   Write-Host "  1. Fully close and reopen WezTerm (not just config reload)"
   Write-Host "  2. Open a new pwsh session to pick up profile changes"
   Write-Host "  3. Verify: wezterm --version && Get-Command oh-my-posh"
}