const STORAGE_PREFIX = "trading-pro:";

export function getStorageKey(key: string): string {
  return `${STORAGE_PREFIX}${key}`;
}

export function getStorageItem<T>(key: string, defaultValue: T): T {
  if (typeof window === "undefined") {
    return defaultValue;
  }

  try {
    const item = localStorage.getItem(getStorageKey(key));
    return item ? JSON.parse(item) : defaultValue;
  } catch {
    return defaultValue;
  }
}

export function setStorageItem<T>(key: string, value: T): void {
  if (typeof window === "undefined") {
    return;
  }

  try {
    localStorage.setItem(getStorageKey(key), JSON.stringify(value));
  } catch (error) {
    console.error("Failed to save to localStorage:", error);
  }
}

export function removeStorageItem(key: string): void {
  if (typeof window === "undefined") {
    return;
  }

  try {
    localStorage.removeItem(getStorageKey(key));
  } catch (error) {
    console.error("Failed to remove from localStorage:", error);
  }
}

export function clearStorageItems(): void {
  if (typeof window === "undefined") {
    return;
  }

  try {
    const keysToRemove: string[] = [];
    for (let i = 0; i < localStorage.length; i++) {
      const key = localStorage.key(i);
      if (key && key.startsWith(STORAGE_PREFIX)) {
        keysToRemove.push(key);
      }
    }
    keysToRemove.forEach((key) => localStorage.removeItem(key));
  } catch (error) {
    console.error("Failed to clear localStorage:", error);
  }
}