SectorsCalc.swift

//: Playground - noun: a place where people can play

import Cocoa

func loadHTML() -> String {
    let bundle = Bundle.main
    let path = bundle.path(forResource: "File", ofType: nil)
    let data = try! Data(contentsOf: URL(fileURLWithPath: path!))
    return String(data: data, encoding: .utf8)!
}

var cols = loadHTML()

extension String {
    var en_clean: String {
        var replaceIt = ["<div class=\"cols-wrapper\">"]
        replaceIt.append("<p>")
        replaceIt.append("<div class=\"cols\">")
        replaceIt.append("</div>")
        replaceIt.append("</span>")
        replaceIt.append("</p>")
        replaceIt.append("<!--end cols-->")
        replaceIt.append("<span class=\"color_dis\">")
        replaceIt.append("<span class=\"color_correct\">")
        
        return replaceIt.reduce(self) { $0.replacingOccurrences(of: $1, with: "") }
    }
    
    var en_remove_digit: String {
        if let last = self.last, Int(String(last)) != nil {
            return String(dropLast()).en_remove_digit
        } else {
            return self
        }
    }
}

var clean = cols.en_clean
var a: [String] = clean.split(separator: "\n").map(String.init)

func mapIt(_ arg :String) -> (String, Bool) {
    let split = arg.split(separator: ":")
    return (String(split[0]).en_remove_digit, !split[1].contains("код не введён"))
}

let b = a.map(mapIt)

var sum = [String: Int]()
let c = b.reduce(into: sum) { (result, pair) in
    if pair.1 {
        if result[pair.0] == nil {
            result[pair.0] = 1
        } else {
            result[pair.0] = result[pair.0]! + 1
        }
    }
}

func reduce(_ arg: [String]) -> String {
    return arg.reduce("") { $0 + "\n" + $1 }
}

let d = c.map({ (key, value) -> String in
    return "\(key)"
})

let e = c.map({ (key, value) -> String in
    return "\(value)"
})

print(reduce(d))
print(reduce(e))