// src/env-config.ts
import { EyJsConfig } from '../../@eyjs-env'
import { type LoggerConfig } from './logger-config.interface'


export function getConfigFromEnv(eyConfig: EyJsConfig): Partial<LoggerConfig> {
  const level = (eyConfig.get('LOG_LEVEL') as any) as LoggerConfig['level'] | undefined
  const enableDebug = eyConfig.get('LOG_DEBUG') === 'true' ? true : undefined
  const debugKeys = eyConfig.get('LOG_DEBUG_KEYS')
    ? eyConfig.get('LOG_DEBUG_KEYS')!.split(',').filter(Boolean)
    : undefined
  const serverUrl = eyConfig.get('LOG_SERVER_URL') || undefined
  const serviceName = eyConfig.get('SERVICE_NAME') || undefined
  const theme = (eyConfig.get('LOG_THEME') as any) || undefined
  const colorsEnabled = eyConfig.get('LOG_COLORS') === undefined
    ? undefined
    : eyConfig.get('LOG_COLORS') !== 'false'

  return {
    level,
    enableDebug,
    debugKeys,
    serverUrl,
    serviceName,
    colors: {
      theme,
      enabled: colorsEnabled,
    },
  }
}

export function mergeConfig(
  envConfig: Partial<LoggerConfig>,
  userConfig: LoggerConfig,
): LoggerConfig {
  return {
    level: userConfig.level ?? envConfig.level!,
    enableDebug: userConfig.enableDebug ?? (envConfig.enableDebug as boolean | undefined) ?? true,
    debugKeys: userConfig.debugKeys ?? envConfig.debugKeys ?? [],
    serverUrl: userConfig.serverUrl ?? envConfig.serverUrl,
    serviceName: userConfig.serviceName ?? envConfig.serviceName,
    colors: {
      ...(envConfig.colors || {}),
      ...(userConfig.colors || {}),
    },
  }
}