#!/usr/bin/env pwsh

$ErrorActionPreference = "Stop"
$Utf8 = [System.Text.UTF8Encoding]::new($false)
[Console]::OutputEncoding = $Utf8
$OutputEncoding = $Utf8
$Root = Split-Path -Parent $PSScriptRoot
Set-Location -Path $Root

function Assert-NativeSuccess {
  param([string]$Step)
  if ($LASTEXITCODE -ne 0) {
    throw "$Step failed with exit code $LASTEXITCODE"
  }
}

function Invoke-Step {
  param(
    [string]$Name,
    [scriptblock]$Command
  )
  Write-Host "==> $Name"
  & $Command
  Assert-NativeSuccess -Step $Name
}

$GoPath = (& go env GOPATH).Trim()
Assert-NativeSuccess -Step "Locate GOPATH"
$GoBin = Join-Path $GoPath "bin"
if (Test-Path (Join-Path $GoBin "go1.20.14.exe")) {
  $env:PATH = "$GoBin;$env:PATH"
}

New-Item -ItemType Directory -Force -Path (Join-Path $Root "dist") | Out-Null

Invoke-Step "Sync root workspace" {
  $env:GOTOOLCHAIN = "go1.25.0"
  $env:GOWORK = (Resolve-Path "go.work").Path
  go work sync
}

Invoke-Step "Sync Win7 workspace" {
  $env:GOTOOLCHAIN = "go1.25.0"
  $env:GOWORK = (Resolve-Path "app-win7/go.work").Path
  go work sync
}

Invoke-Step "Validate harness governance" {
  python scripts/validate_agent_context.py
  Assert-NativeSuccess -Step "Validate agent context"
  python -m unittest discover -s tests -p "test_*.py"
  Assert-NativeSuccess -Step "Run governance tests"
  python scripts/validate_harness_governance.py
}

Invoke-Step "Validate core architecture boundary" {
  python scripts/check_core_boundaries.py --self-test
  Assert-NativeSuccess -Step "Self-test core boundary matcher"
  python scripts/check_core_boundaries.py
}

Invoke-Step "Validate Go and dependency pins" {
  Remove-Item Env:GOTOOLCHAIN -ErrorAction SilentlyContinue
  Remove-Item Env:GOWORK -ErrorAction SilentlyContinue
  python scripts/check_go_versions.py
}

Invoke-Step "Vet and test core with Go 1.20.14" {
  $env:GOTOOLCHAIN = "go1.20.14"
  $env:GOWORK = "off"
  go -C core vet ./...
  Assert-NativeSuccess -Step "Vet core"
  go -C core test -count=1 ./...
}

Invoke-Step "Test and build modern target with Go 1.25.0" {
  $env:GOTOOLCHAIN = "go1.25.0"
  $env:GOWORK = (Resolve-Path "go.work").Path
  Remove-Item Env:GOOS -ErrorAction SilentlyContinue
  Remove-Item Env:GOARCH -ErrorAction SilentlyContinue
  $env:CGO_ENABLED = "0"
  go -C app-modern test -count=1 ./ui/gio ./platform/windows
  Assert-NativeSuccess -Step "Test modern adapters"
  $env:GOOS = "windows"
  $env:GOARCH = "amd64"
  go -C app-modern build -trimpath "-ldflags=-H=windowsgui" -o ../dist/SoftBox.exe ./cmd/softbox
}

Invoke-Step "Test and build Win7 target with Go 1.20.14" {
  $env:GOTOOLCHAIN = "go1.20.14"
  $env:GOWORK = (Resolve-Path "app-win7/go.work").Path
  Remove-Item Env:GOOS -ErrorAction SilentlyContinue
  Remove-Item Env:GOARCH -ErrorAction SilentlyContinue
  $env:CGO_ENABLED = "0"
  go -C app-win7 test -count=1 ./ui/gio ./platform/windows
  Assert-NativeSuccess -Step "Test Win7 adapters"
  $env:GOOS = "windows"
  $env:GOARCH = "amd64"
  go -C app-win7 build -trimpath "-ldflags=-H=windowsgui" -o ../dist/SoftBox-win7.exe ./cmd/softbox
}

Write-Host "Phase 0 verification passed."