//
//  AppGroupUserDefaults.swift
//  digitalpilates
//
//  Native module for accessing App Group UserDefaults
//  Allows sharing data between main app and widget
//

import Foundation
import React

@objc(AppGroupUserDefaults)
class AppGroupUserDefaults: NSObject, RCTBridgeModule {
  
  static func moduleName() -> String! {
    return "AppGroupUserDefaults"
  }
  
  static func requiresMainQueueSetup() -> Bool {
    return false
  }
  
  // MARK: - String Methods
  
  @objc
  func setString(_ groupId: String, key: String, value: String, resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock) {
    DispatchQueue.global(qos: .background).async {
      guard let userDefaults = UserDefaults(suiteName: groupId) else {
        rejecter("ERROR", "Failed to create UserDefaults with suite name: \(groupId)", nil)
        return
      }
      
      userDefaults.set(value, forKey: key)
      userDefaults.synchronize()
      
      DispatchQueue.main.async {
        resolver(nil)
      }
    }
  }
  
  @objc
  func getString(_ groupId: String, key: String, resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock) {
    DispatchQueue.global(qos: .background).async {
      guard let userDefaults = UserDefaults(suiteName: groupId) else {
        rejecter("ERROR", "Failed to create UserDefaults with suite name: \(groupId)", nil)
        return
      }
      
      let value = userDefaults.string(forKey: key)
      
      DispatchQueue.main.async {
        resolver(value)
      }
    }
  }
  
  // MARK: - Number Methods
  
  @objc
  func setNumber(_ groupId: String, key: String, value: NSNumber, resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock) {
    DispatchQueue.global(qos: .background).async {
      guard let userDefaults = UserDefaults(suiteName: groupId) else {
        rejecter("ERROR", "Failed to create UserDefaults with suite name: \(groupId)", nil)
        return
      }
      
      userDefaults.set(value, forKey: key)
      userDefaults.synchronize()
      
      DispatchQueue.main.async {
        resolver(nil)
      }
    }
  }
  
  @objc
  func getNumber(_ groupId: String, key: String, resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock) {
    DispatchQueue.global(qos: .background).async {
      guard let userDefaults = UserDefaults(suiteName: groupId) else {
        rejecter("ERROR", "Failed to create UserDefaults with suite name: \(groupId)", nil)
        return
      }
      
      let value = userDefaults.object(forKey: key) as? NSNumber ?? NSNumber(value: 0)
      
      DispatchQueue.main.async {
        resolver(value)
      }
    }
  }
  
  // MARK: - Remove Key Method
  
  @objc
  func removeKey(_ groupId: String, key: String, resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock) {
    DispatchQueue.global(qos: .background).async {
      guard let userDefaults = UserDefaults(suiteName: groupId) else {
        rejecter("ERROR", "Failed to create UserDefaults with suite name: \(groupId)", nil)
        return
      }
      
      userDefaults.removeObject(forKey: key)
      userDefaults.synchronize()
      
      DispatchQueue.main.async {
        resolver(nil)
      }
    }
  }
}