1# planning-with-files: set or display the active plan pointer (PowerShell).
2#
3# Usage:
4#   .\set-active-plan.ps1 <plan_id>   — pin .planning\.active_plan to plan_id
5#   .\set-active-plan.ps1             — print the current active plan (if any)
6 
7param(
8    [string]$PlanId = ""
9)
10 
11$PlanRoot  = Join-Path (Get-Location) ".planning"
12$ActiveFile = Join-Path $PlanRoot ".active_plan"
13 
14if ($PlanId -eq "") {
15    if (Test-Path $ActiveFile) {
16        $current = (Get-Content $ActiveFile -Raw -Encoding UTF8).Trim()
17        $planDir = Join-Path $PlanRoot $current
18        if ($current -ne "" -and (Test-Path $planDir)) {
19            Write-Output "Active plan: $current"
20            Write-Output "Path: $planDir"
21        } elseif ($current -ne "") {
22            Write-Output "Active plan pointer: $current (directory not found — stale pointer)"
23        } else {
24            Write-Output "No active plan set."
25        }
26    } else {
27        Write-Output "No active plan set."
28    }
29    exit 0
30}
31 
32$PlanDir = Join-Path $PlanRoot $PlanId
33 
34if (-not (Test-Path $PlanDir)) {
35    Write-Error "Error: plan directory not found: $PlanDir"
36    Write-Error "Run: init-session.sh `"$PlanId`" to create it, or check .planning\ for available plans."
37    exit 1
38}
39 
40if (-not (Test-Path $PlanRoot)) {
41    New-Item -ItemType Directory -Path $PlanRoot -Force | Out-Null
42}
43 
44Set-Content -Path $ActiveFile -Value $PlanId -Encoding UTF8 -NoNewline
45 
46Write-Output "Active plan set to: $PlanId"
47Write-Output "Path: $PlanDir"
48Write-Output ""
49Write-Output "To pin this terminal session only:"
50Write-Output "`$env:PLAN_ID = '$PlanId'"
51