# Modules\ConfigService.ps1
# Configuration Management Module for Enterprise Admin Studio

$global:AppConfigPath = Join-Path (Split-Path -Parent $PSScriptRoot) "config.json"

function Get-AppConfig {
    if (-not (Test-Path $global:AppConfigPath)) {
        $defaultConfig = @{
            Application = @{
                LiveMode = $false
                Theme = "Dark"
                AutoRefreshSeconds = 60
            }
            ActiveDirectory = @{
                UseLive = $false
                DomainController = "dc01.corp.local"
                Domain = "corp.local"
                BaseOU = "DC=corp,DC=local"
                UseLdaps = $false
                Username = ""
                Password = ""
            }
            NetApp = @{
                UseLive = $false
                ClusterEndpoint = "https://10.200.10.50"
                Port = 443
                DefaultSvm = "svm_cifs_prod01"
                Username = "admin"
                Password = ""
                IgnoreSslErrors = $true
            }
            MsSql = @{
                UseLive = $false
                Server = "localhost"
                AuthType = "Integrated"
                Username = "sa"
                Password = ""
                DefaultDatabase = "master"
                ConnectionTimeout = 10
                BackupDirectory = "C:\Backups"
            }
        }
        $json = $defaultConfig | ConvertTo-Json -Depth 5
        [System.IO.File]::WriteAllText($global:AppConfigPath, $json, [System.Text.Encoding]::UTF8)
        return $defaultConfig
    }

    try {
        $raw = [System.IO.File]::ReadAllText($global:AppConfigPath, [System.Text.Encoding]::UTF8)
        return ($raw | ConvertFrom-Json)
    } catch {
        Write-Warning "설정 파일 로드 실패, 기본값을 사용합니다: $_"
        return $null
    }
}

function Save-AppConfig {
    param([object]$Config)

    try {
        $json = $Config | ConvertTo-Json -Depth 5
        [System.IO.File]::WriteAllText($global:AppConfigPath, $json, [System.Text.Encoding]::UTF8)
        return $true
    } catch {
        Write-Error "설정 저장 실패: $_"
        return $false
    }
}