param(
    [Parameter(Position = 0)]
    [string]$Tag = (Get-Date -Format 'yyyyMMdd'),
    [switch]$SaveArchive
)

$ErrorActionPreference = 'Stop'

if ($Tag -notmatch '^[a-zA-Z0-9][a-zA-Z0-9_.-]{0,79}$') {
    Write-Error "无效版本号: $Tag"
}

$Root = Split-Path -Parent $PSScriptRoot
$OutDir = Join-Path $Root '.cache\docker'
$Image = "harbor.fuhua91.com/game/sw2:$Tag"
$Tar = Join-Path $OutDir "sw2-frontend-$Tag.tar"

Write-Host "构建 $Image"
$previousAttestations = [Environment]::GetEnvironmentVariable('BUILDX_NO_DEFAULT_ATTESTATIONS', 'Process')
try {
    $env:BUILDX_NO_DEFAULT_ATTESTATIONS = '1'
    docker buildx version *> $null
    if ($LASTEXITCODE -eq 0) {
        docker buildx build --platform linux/amd64 --output type=docker --build-arg "VERSION=$Tag" -t $Image $Root
    } else {
        docker build --build-arg "VERSION=$Tag" -t $Image $Root
    }
    if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
} finally {
    [Environment]::SetEnvironmentVariable('BUILDX_NO_DEFAULT_ATTESTATIONS', $previousAttestations, 'Process')
}

Write-Host "推送 $Image"
docker push $Image
if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
if ($SaveArchive) {
    New-Item -ItemType Directory -Force -Path $OutDir | Out-Null
    if (Test-Path -LiteralPath $Tar) { throw "镜像归档已存在：$Tar" }
    Write-Host "导出 $Tar"
    docker save -o $Tar $Image
    if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
    $Item = Get-Item -LiteralPath $Tar
    Write-Host ("完成 {0}  {1:N1} MB" -f $Item.FullName, ($Item.Length / 1MB))
}
Write-Host "Harbor 镜像：$Image"