param(
    [switch]$SkipBackend,
    [switch]$SkipE2E
)

$ErrorActionPreference = 'Continue'
$projectRoot = (Resolve-Path (Join-Path $PSScriptRoot '..')).Path
$failures = [System.Collections.Generic.List[string]]::new()

function Invoke-Gate {
    param(
        [string]$Name,
        [scriptblock]$Action
    )

    Write-Host "`n[$Name]" -ForegroundColor Cyan
    $gateExit = 0
    try {
        & $Action
        if ($LASTEXITCODE -ne 0) { $gateExit = $LASTEXITCODE }
    } catch {
        Write-Error $_
        $gateExit = 127
    }
    if ($gateExit -ne 0) {
        $failures.Add("$Name (exit $gateExit)")
    }
}

Write-Host 'Shanyuan Danyang V1.1 - Phase 01 baseline verification' -ForegroundColor Green
Write-Host "Project root: $projectRoot"

Invoke-Gate 'Git repository' {
    git -C $projectRoot status --short --branch
}

if (-not $SkipBackend) {
    Invoke-Gate 'Backend unit tests' {
        $java = Get-Command java -ErrorAction SilentlyContinue
        $maven = Get-Command mvn -ErrorAction SilentlyContinue
        if ($java -and $maven) {
            $mavenRepo = Join-Path $projectRoot 'backend/local-maven'
            & $maven.Source -s (Join-Path $projectRoot 'backend/maven-settings.xml') `
                "-Dmaven.repo.local=$mavenRepo" `
                -f (Join-Path $projectRoot 'backend/pom.xml') test
        } elseif (Get-Command docker -ErrorAction SilentlyContinue) {
            $mount = "${projectRoot}:/workspace"
            $containerCommand = 'rm -rf /tmp/maven && mkdir -p /tmp/maven && cd /tmp/maven && jar xf /workspace/backend/maven.zip && chmod +x /tmp/maven/apache-maven-3.9.6/bin/mvn && /tmp/maven/apache-maven-3.9.6/bin/mvn -s /workspace/backend/maven-settings.xml -Dmaven.repo.local=/workspace/backend/local-maven -f /workspace/backend/pom.xml test'
            docker run --rm -v $mount -w /workspace/backend eclipse-temurin:21-jdk-alpine `
                sh -c $containerCommand
        } else {
            throw 'JDK 21 and Maven were not found, and Docker is unavailable.'
        }
    }
}

Invoke-Gate 'Admin type-check' {
    Push-Location (Join-Path $projectRoot 'admin-web')
    try { npm run type-check } finally { Pop-Location }
}

Invoke-Gate 'Admin production build' {
    Push-Location (Join-Path $projectRoot 'admin-web')
    try { npm run build } finally { Pop-Location }
}

Invoke-Gate 'Miniapp TypeScript' {
    $tsc = Join-Path $projectRoot 'admin-web/node_modules/.bin/tsc.cmd'
    if (-not (Test-Path -LiteralPath $tsc)) {
        throw 'TypeScript compiler is missing. Run npm ci in admin-web first.'
    } else {
        & $tsc -p (Join-Path $projectRoot 'miniapp/tsconfig.json') --noEmit
    }
}

if (-not $SkipE2E) {
    Invoke-Gate 'V1.1 E2E collection and execution' {
        Push-Location $projectRoot
        try { python -m pytest tests/e2e -q } finally { Pop-Location }
    }
}

Write-Host "`n[Summary]" -ForegroundColor Cyan
if ($failures.Count -eq 0) {
    Write-Host 'All Phase 01 baseline gates passed.' -ForegroundColor Green
    exit 0
}

Write-Host "Failed gates: $($failures.Count)" -ForegroundColor Red
$failures | ForEach-Object { Write-Host "- $_" -ForegroundColor Red }
exit 1