$ErrorActionPreference = "Stop"

$root = Split-Path -Parent $MyInvocation.MyCommand.Path
$releaseRoot = Join-Path $root "release"
$latestJsonPath = Join-Path $releaseRoot "latest_release.json"
$finalReportPath = Join-Path $releaseRoot "final_release_report.json"

if (-not (Test-Path -LiteralPath $latestJsonPath)) {
    throw "latest_release.json not found"
}

$latest = Get-Content -LiteralPath $latestJsonPath -Raw | ConvertFrom-Json
$report = $null
if (Test-Path -LiteralPath $finalReportPath) {
    $report = Get-Content -LiteralPath $finalReportPath -Raw | ConvertFrom-Json
}

$reportOk = $null
$reportMatchesLatest = $null
$reportPackageName = ""
$reportStaleReason = ""
$finalReleaseOk = $null
$releaseGateDecision = ""
$releaseGateBlockedReasons = @()
$releaseGateVerifyOk = $null
$releaseGateSmokeTestOk = $null

if ($report) {
    $reportOk = [bool]$report.ok
    if ($report.release_gate) {
        $releaseGateDecision = [string]$report.release_gate.decision
        $releaseGateBlockedReasons = @($report.release_gate.blocked_reasons)
        if ($null -ne $report.release_gate.verify_ok) {
            $releaseGateVerifyOk = [bool]$report.release_gate.verify_ok
        }
        if ($null -ne $report.release_gate.smoke_test_ok) {
            $releaseGateSmokeTestOk = [bool]$report.release_gate.smoke_test_ok
        }
    }
    if ($report.latest_release) {
        $reportPackageName = [string]$report.latest_release.package_name
        $mismatches = @()
        $reportArchivePath = if ($report.latest_release.archive_path) { [string]$report.latest_release.archive_path } else { [string]$report.latest_release.zip_path }
        $latestArchivePath = if ($latest.archive_path) { [string]$latest.archive_path } else { [string]$latest.zip_path }
        if ([string]$report.latest_release.package_name -ne [string]$latest.package_name) {
            $mismatches += "package_name"
        }
        if ($reportArchivePath -ne $latestArchivePath) {
            $mismatches += "archive_path"
        }
        if ([string]$report.latest_release.sha256 -ne [string]$latest.sha256) {
            $mismatches += "sha256"
        }

        $reportMatchesLatest = ($mismatches.Count -eq 0)
        if (-not $reportMatchesLatest) {
            $reportStaleReason = "final_release_report does not match latest_release: $($mismatches -join ', ')"
        }
    }
    else {
        $reportMatchesLatest = $false
        $reportStaleReason = "final_release_report.latest_release missing"
    }

    $finalReleaseOk = ($reportOk -and $reportMatchesLatest)
}

$summary = [ordered]@{
    latest_release = $latest
    final_release_ok = $finalReleaseOk
    final_release_report = if ($report) { $finalReportPath } else { "" }
    final_release_report_ok = $reportOk
    final_release_report_matches_latest = $reportMatchesLatest
    final_release_report_package_name = $reportPackageName
    final_release_report_stale_reason = $reportStaleReason
    final_release_gate_decision = $releaseGateDecision
    final_release_gate_blocked_reasons = $releaseGateBlockedReasons
    final_release_gate_verify_ok = $releaseGateVerifyOk
    final_release_gate_smoke_test_ok = $releaseGateSmokeTestOk
}

$summary | ConvertTo-Json -Depth 8