# Compare branches across all repos in an org - detect unmerged commits
# -CompareSet full: main vs uat, main vs prod, uat vs prod for each repo

param(
    [string]$Org = "G3SF",
    [string]$Repo,
    [string]$BaseBranch = "main",
    [string]$HeadBranch = "prod",
    [ValidateSet("single", "full")]
    [string]$CompareSet = "full",
    [string]$WorkspaceRoot = "d:\AFE Git\G3SF\G3FO\server",
    [switch]$UseApi,
    [string]$SinceTag,
    [string]$SinceDate
)

$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$CompareScript = Join-Path $ScriptDir "branch_compare.ps1"
$ListScript = Join-Path $ScriptDir "list_orgs_repos.ps1"

$repos = if ($Repo) { @($Repo) } else { @(& $ListScript -Action list-repos -Org $Org) }
$hasLocal = Test-Path $WorkspaceRoot

foreach ($r in $repos) {
    if (-not $r) { continue }
    $path = Join-Path $WorkspaceRoot $r
    Write-Host "########## $Org/$r ##########" -ForegroundColor Magenta
    if ($UseApi -or (-not $hasLocal) -or (-not (Test-Path $path))) {
        $params = @{ Owner = $Org; Repo = $r; BaseBranch = $BaseBranch; HeadBranch = $HeadBranch; CompareSet = $CompareSet }
        & $CompareScript @params
    } else {
        $params = @{ RepoPath = $path; BaseBranch = $BaseBranch; HeadBranch = $HeadBranch; CompareSet = $CompareSet }
        if ($SinceTag) { $params.SinceTag = $SinceTag }
        if ($SinceDate) { $params.SinceDate = $SinceDate }
        & $CompareScript @params
    }
    Write-Host ""
}