$ErrorActionPreference = 'Stop'

$root = Split-Path -Parent $PSScriptRoot
$script:failed = @()

function Resolve-Go {
    $cmd = Get-Command go -ErrorAction SilentlyContinue
    if ($cmd) {
        return $cmd.Source
    }
    foreach ($candidate in @('C:\Program Files\Go\bin\go.exe', 'C:\Go\bin\go.exe')) {
        if (Test-Path -LiteralPath $candidate) {
            return $candidate
        }
    }
    throw 'Go executable not found. Install Go 1.23 or add it to PATH.'
}

function Invoke-Check {
    param(
        [Parameter(Mandatory = $true)]
        [string]$Name,
        [Parameter(Mandatory = $true)]
        [scriptblock]$Command
    )

    Write-Host "[$Name]"
    try {
        & $Command
        if ($LASTEXITCODE -ne 0) {
            Write-Host "FAILED: $Name (exit $LASTEXITCODE)"
            $script:failed += $Name
        }
    } catch {
        Write-Host "FAILED: $Name - $($_.Exception.Message)"
        $script:failed += $Name
    }
}

$goExe = Resolve-Go

Push-Location (Join-Path $root 'server-go')
try {
    Invoke-Check 'server-go test' { & $goExe test ./... }
    Invoke-Check 'server-go vet' { & $goExe vet ./... }
    Invoke-Check 'server-go build' { & $goExe build ./... }
} finally {
    Pop-Location
}

Push-Location (Join-Path $root 'web')
try {
    Invoke-Check 'web test' { npm test }
    Invoke-Check 'web lint' { npm run lint }
    Invoke-Check 'web build' { npm run build }
} finally {
    Pop-Location
}

Push-Location (Join-Path $root 'miniapp')
try {
    Invoke-Check 'miniapp test' { npm test }
    Invoke-Check 'miniapp typecheck' { npm run typecheck }
    Invoke-Check 'miniapp build:weapp' { npm run build:weapp }
} finally {
    Pop-Location
}

Push-Location (Join-Path $root 'app')
try {
    Invoke-Check 'app typecheck' { npm run tsc }
    Invoke-Check 'app lint' { npm run lint }
} finally {
    Pop-Location
}

$aiPython = Join-Path $root 'ai-service\.venv\Scripts\python.exe'
if (-not (Test-Path -LiteralPath $aiPython)) {
    $aiPython = 'python'
}

Push-Location (Join-Path $root 'ai-service')
try {
    Invoke-Check 'ai-service pytest' { & $aiPython -m pytest }
} finally {
    Pop-Location
}

if ($script:failed.Count -gt 0) {
    Write-Error "Verification failed for: $($script:failed -join ', ')"
    exit 1
}

Write-Host 'All verification checks passed.'
exit 0