//
//  WaterRecordManager.swift
//  digitalpilates
//
//  Native module for managing water records through React Native bridge
//

import Foundation
import React
import WidgetKit

@objc(WaterRecordManager)
class WaterRecordManager: NSObject, RCTBridgeModule {
  
  static func moduleName() -> String! {
    return "WaterRecordManager"
  }
  
  static func requiresMainQueueSetup() -> Bool {
    return false
  }
  
  @objc
  func addWaterRecord(_ amount: Int, resolver: @escaping RCTPromiseResolveBlock, rejecter: @escaping RCTPromiseRejectBlock) {
    
    // 更新 App Group UserDefaults（用于 Widget 显示）
    guard let sharedDefaults = UserDefaults(suiteName: "group.com.anonymous.digitalpilates") else {
      rejecter("USERDEFAULTS_ERROR", "Failed to access App Group UserDefaults", nil)
      return
    }
    
    let currentIntake = sharedDefaults.object(forKey: "widget_current_water_intake") as? Int ?? 0
    let newIntake = currentIntake + amount
    sharedDefaults.set(newIntake, forKey: "widget_current_water_intake")
    
    // 创建 ISO8601 格式的日期字符串
    let formatter = ISO8601DateFormatter()
    let isoString = formatter.string(from: Date())
    sharedDefaults.set(isoString, forKey: "widget_last_sync_time")
    sharedDefaults.synchronize()
    
    print("Water record added via bridge: +\(amount)ml, New total: \(newIntake)ml")
    
    // 通过 React Native bridge 调用 TypeScript 代码来创建记录
    DispatchQueue.main.async { [weak self] in
      guard let bridge = self?.bridge else {
        rejecter("BRIDGE_ERROR", "React Native bridge is not available", nil)
        return
      }
      
      // 调用 TypeScript 中的 Redux action 来创建喝水记录
      let eventData = [
        "amount": amount,
        "recordedAt": isoString,
        "source": "auto" // 标记为来自 Widget/自动添加
      ]
      
      // 发送事件给 TypeScript 代码
      self?.sendEvent(withName: "WaterRecordAdded", body: eventData)
      
      // 刷新 Widget
      if #available(iOS 14.0, *) {
        WidgetCenter.shared.reloadTimelines(ofKind: "WaterWidget")
      }
      
      resolver(["success": true, "amount": amount, "newTotal": newIntake])
    }
  }
  
  // MARK: - Event Emitter
  
  override func supportedEvents() -> [String]! {
    return ["WaterRecordAdded"]
  }
  
  private func sendEvent(withName name: String, body: Any) {
    if let bridge = self.bridge {
      bridge.eventDispatcher().sendAppEvent(withName: name, body: body)
    }
  }
}