Private/Update-ConfigJson.ps1
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function Update-ConfigJson { <# .SYNOPSIS Updates a single field in JSON configuration. .DESCRIPTION Reads config.json, updates one field, returns modified JSON string. Preserves all other fields and structure. .PARAMETER ConfigPath Full path to config.json file to read. .PARAMETER Field Field name to update (Token, Channel, Format, Activity). .PARAMETER Value New value for the field (validated before use). .OUTPUTS [string] Modified JSON content as string .EXAMPLE $newJson = Update-ConfigJson -ConfigPath 'C:\BATCRelayBot\config.json' ` -Field 'Token' -Value 'newtoken123' Write-ConfigFile -ConfigPath 'C:\BATCRelayBot\config.json' -JsonContent $newJson .NOTES - Field Mapping: * Token -> token (bot auth token) * Channel -> channel_id (Discord channel ID) * Format -> output_format (message format type) * Activity -> bot_activity (status message) - Validation: Caller must validate value before calling - Error handling: Throws on JSON parse error or missing file #> param( [string]$ConfigPath, [string]$Field, [string]$Value ) $config = Get-Content $ConfigPath -Raw | ConvertFrom-Json $fieldMap = @{ "Token" = "token" "Channel" = "channel_id" "Format" = "output_format" "Activity" = "bot_activity" } $jsonField = $fieldMap[$Field] $config.$jsonField = $Value $json = $config | ConvertTo-Json -Depth 10 return $json } |