export interface ActionExecutor {
  execute(payload: ActionPayload): { success: boolean; message: string };
}

export interface ActionPayload {
  scripId: string;
  scripName: string;
  actionType: string;
  actionConfig: Record<string, unknown>;
  recipients?: string[];
  subject?: string;
  body?: string;
  url?: string;
  method?: string;
  headers?: Record<string, string>;
  field_id?: string;
  value?: string;
}

export class SendEmail implements ActionExecutor {
  execute(payload: ActionPayload): { success: boolean; message: string } {
    console.log('[SendEmail] Would send email:', {
      subject: payload.subject ?? payload.actionConfig['subject'],
      body: payload.body ?? payload.actionConfig['body'],
      recipients: payload.recipients ?? payload.actionConfig['recipients'],
    });
    return { success: true, message: `Email queued: "${payload.subject ?? 'No subject'}"` };
  }
}

export class Webhook implements ActionExecutor {
  execute(payload: ActionPayload): { success: boolean; message: string } {
    console.log('[Webhook] Would fire webhook:', {
      url: payload.url ?? payload.actionConfig['url'],
      method: payload.method ?? payload.actionConfig['method'] ?? 'POST',
      headers: payload.headers ?? payload.actionConfig['headers'],
      body: payload.body ?? payload.actionConfig['body'],
    });
    return { success: true, message: `Webhook fired: ${payload.url ?? 'unknown URL'}` };
  }
}

export class SetCustomField implements ActionExecutor {
  execute(payload: ActionPayload): { success: boolean; message: string } {
    const fieldId = payload.field_id ?? String(payload.actionConfig['field_id'] ?? '');
    const value = payload.value ?? String(payload.actionConfig['value'] ?? '');
    console.log('[SetCustomField] Would set:', { field_id: fieldId, value });
    return { success: true, message: `Custom field ${fieldId} set to "${value}"` };
  }
}

const actionRegistry: Record<string, ActionExecutor> = {
  SendEmail: new SendEmail(),
  Webhook: new Webhook(),
  SetCustomField: new SetCustomField(),
};

export function getActionExecutor(type: string): ActionExecutor | null {
  return actionRegistry[type] ?? null;
}

export { actionRegistry };