# 升级旧部署时从公开 API 地址补齐浏览器来源，并校验显式配置。
. (Join-Path $PSScriptRoot "Initialize-PublicApiBaseUrl.ps1")

function Initialize-SecurityOrigin {
    param([Parameter(Mandatory = $true)][string]$Path)
    if (-not (Test-Path $Path)) { throw "Environment file not found: $Path" }

    $content = Get-Content $Path -Raw -Encoding UTF8
    if ($null -eq $content) { $content = "" }
    $apiUrl = Get-PublicEnvValue $content "CONFIG_PUBLIC_API_BASE_URL"
    if (-not (ConvertTo-PublicApiBaseUrl $apiUrl)) {
        throw "Configure a valid CONFIG_PUBLIC_API_BASE_URL first"
    }
    $apiUri = [Uri]$apiUrl
    $derived = $apiUri.GetLeftPart([UriPartial]::Authority)
    $current = Get-PublicEnvValue $content "CONFIG_SECURITY_ORIGIN"

    if (-not $current -or
        ($current -eq "http://127.0.0.1,http://localhost" -and $derived -ne "http://127.0.0.1")) {
        $content = Set-PublicEnvValue $content "CONFIG_SECURITY_ORIGIN" $derived
        [System.IO.File]::WriteAllText(
            (Resolve-Path $Path),
            $content,
            [System.Text.UTF8Encoding]::new($false)
        )
        Write-Host "   [OK] Browser origin: $derived" -ForegroundColor Green
        return
    }

    if ($current.StartsWith(',') -or $current.EndsWith(',') -or $current.Contains(',,')) {
        throw "CONFIG_SECURITY_ORIGIN contains an empty origin"
    }
    foreach ($value in $current.Split(',')) {
        $origin = $value.Trim()
        $uri = $null
        if (-not [Uri]::TryCreate($origin, [UriKind]::Absolute, [ref]$uri) -or
            $uri.Scheme -notin @('http', 'https') -or
            $uri.UserInfo -or $uri.Query -or $uri.Fragment -or
            $uri.AbsolutePath -ne '/' -or -not $uri.Host) {
            throw "CONFIG_SECURITY_ORIGIN must contain only http(s) origins without paths or wildcards"
        }
    }
}