param(
    [ValidateSet('local', 'dev', 'development', 'test', 'production')]
    [string]$Environment,
    [ValidateSet('cn', 'overseas')]
    [string]$Region = 'cn',
    [string]$ServerAddr = '127.0.0.1:8848',
    [string]$Group = 'BAIYUE',
    [string]$Namespace
)

$ErrorActionPreference = 'Stop'
$projectRoot = Split-Path -Parent (Split-Path -Parent $MyInvocation.MyCommand.Path)

if ($Environment -eq 'local') {
    if ($Namespace -and $Namespace -ne 'public') {
        throw 'local 环境只能发布到 public namespace'
    }
    $Namespace = 'public'
    $configProfile = 'local'
} else {
    if (-not $Namespace -or $Namespace -eq 'public') {
        throw "$Environment/$Region 必须显式指定非 public 的 Nacos namespace"
    }
    $configProfile = $Region
}

$configRoot = (Resolve-Path (Join-Path $projectRoot "config\nacos\$configProfile")).Path
$healthUrl = "http://$ServerAddr/nacos/v1/console/health/readiness"
$publishUrl = "http://$ServerAddr/nacos/v1/cs/configs"
$health = Invoke-WebRequest -UseBasicParsing -Uri $healthUrl -TimeoutSec 5
if ($health.StatusCode -ne 200 -or $health.Content.Trim() -ne 'OK') {
    throw "Nacos not ready: $healthUrl"
}

$files = Get-ChildItem -LiteralPath $configRoot -File -Filter '*.yml' | Sort-Object Name
if ($files.Count -eq 0) {
    throw "No Nacos configuration found: $configRoot"
}

$published = 0
foreach ($file in $files) {
    $resolvedFile = (Resolve-Path -LiteralPath $file.FullName).Path
    if (-not $resolvedFile.StartsWith($configRoot, [System.StringComparison]::OrdinalIgnoreCase)) {
        throw "Unexpected config path: $resolvedFile"
    }
    $body = @{
        dataId = $file.Name
        group = $Group
        content = Get-Content -LiteralPath $resolvedFile -Raw -Encoding UTF8
        type = 'yaml'
    }
    if ($Namespace -ne 'public') {
        $body.tenant = $Namespace
    }
    $pairs = foreach ($entry in $body.GetEnumerator()) {
        [uri]::EscapeDataString([string]$entry.Key) + '=' + [uri]::EscapeDataString([string]$entry.Value)
    }
    $result = Invoke-RestMethod -Method Post -Uri $publishUrl `
        -ContentType 'application/x-www-form-urlencoded; charset=UTF-8' `
        -Body ($pairs -join '&') -TimeoutSec 10
    if ([string]$result -ne 'true') {
        throw "Publish failed: $($file.Name), Nacos response: $result"
    }
    $published++
    Write-Host "Published $($file.Name) -> $Namespace / $Group"
}

Write-Host "Published $Environment/$Region Nacos configuration: $published items."