//
//  ReadCurrentPageNumberMessageBody.swift
//  RileyLink
//
//  Created by Jaim Zuber on 2/17/17.
//  Copyright © 2017 Pete Schwamb. All rights reserved.
//

import Foundation

public class ReadCurrentPageNumberMessageBody : CarelinkLongMessageBody {
    public let pageNum: Int
 
    // Partially implemented from https://github.com/bewest/decoding-carelink/blob/master/decocare/commands.py#L575
    public required init?(rxData: Data) {
        var page = 0
        
        //NOTE: Page Number  is likely 4 bytes little endian but anything longer that one byte is not implemented
        if rxData.count > 1 {
            page = Int(rxData[0])
        }
        
        if page < 0 || page > 36 {
            page = 36
        }
        
        pageNum = page
        super.init(rxData: rxData)
    }
}