export type MailConfig = {
  smtpHost: string;
  smtpPort: number;
  smtpSecure: boolean;
  smtpUser: string;
  smtpPassword: string;
  fromName: string;
  fromAddress: string;
  bccAddress: string;
  sendEnabled: boolean;
  /** 설정 시 모든 수신인을 이 주소로 고정 (local/stage 테스트용) */
  overrideTo: string | undefined;
};

export function getMailConfig(): MailConfig {
  return {
    smtpHost:     process.env.MAIL_SMTP_HOST     ?? "smtp.gmail.com",
    smtpPort:     Number(process.env.MAIL_SMTP_PORT ?? "465"),
    smtpSecure:   process.env.MAIL_SMTP_SECURE   !== "false",
    smtpUser:     process.env.MAIL_SMTP_USER     ?? "",
    smtpPassword: process.env.MAIL_SMTP_PASSWORD ?? "",
    fromName:     process.env.MAIL_FROM_NAME     ?? "초코마에",
    fromAddress:  process.env.MAIL_FROM_ADDRESS  ?? "",
    bccAddress:   process.env.MAIL_BCC_ADDRESS   ?? "",
    sendEnabled:  process.env.MAIL_SEND_ENABLED  === "true",
    overrideTo:   process.env.MAIL_OVERRIDE_TO   || undefined,
  };
}