//
//  GraphLoadOperation.swift
//  Docsis Toolkit
//
//  Created by Kilian Hofmann on 21.06.17.
//  Copyright © 2017 Kilian Hofmann. All rights reserved.
//

import Cocoa

class GraphLoadOperation: Operation {

    var graph: FrequencyGraph!
    var item: FileWrapper!
    var downstream: Bool!
    
    init(graph: FrequencyGraph, item: FileWrapper, downstream: Bool) {
        self.graph = graph
        self.item = item
        self.downstream = downstream
    }
    
    override func main() {
        if isCancelled {
            return
        }
        if downstream {
            graph.data = FileOperations.loadDownstream(log: item.regularFileContents! as NSData)!
        } else {
            graph.data = FileOperations.loadUpstream(log: item.regularFileContents! as NSData)!
        }
        let keyString: String = item.filename!.components(separatedBy: " ")[1]
        graph.frequency = Double(keyString[..<keyString.index(keyString.endIndex, offsetBy: -4)])! / 1000000
        graph.initView(operation: self)
    }
}