//
//  CountryCashes.swift
//  TournamentStats
//
//  Created by Laurent Morvillier on 09/06/2019.
//  Copyright © 2019 Stax River. All rights reserved.
//

import Foundation
import Charts

final class CountryCounter : HTMLRepresentable, Aggregeable {
    
    static func aggregate(table: [CountryCounter], param: String) -> [CountryCounter] {
        
        if let indexOfParam = table.firstIndex(where: { $0.country == param }) {
            let paramCounter = table[indexOfParam]
            var copy = table
            copy.remove(at: indexOfParam)
            let count = copy.reduce(0) { $0 + $1.counter }
            return [paramCounter, CountryCounter(country: "Others", counter: count)]
        }
        
        let count = table.reduce(0) { $0 + $1.counter }
        return [CountryCounter(country: "All", counter: count)]
    }
    
    var country: String
    var counter: Int

    init(country: String, counter: Int) {
        self.country = country
        self.counter = counter
    }
    
    func increment() {
        self.counter += 1
    }
    
    static func columnDescriptors() -> [ColumnDescriptor] {
        return [ColumnDescriptor(header: "Country", number: false, widthWeight: 1.0),
                ColumnDescriptor(header: "Cashes", number: true, widthWeight: 1.0)]
    }
    
    func cellValues() -> [String] {
        let formattedCountry: String
        if let flagoji = Locale.current.flagoji(from: self.country) {
            formattedCountry = "\(flagoji) \(self.country)"
        } else {
            formattedCountry = self.country
        }
        
        var strings: [String] = []
        strings.append(formattedCountry)
        strings.append("\(counter)")
        return strings
    }
    
    var pieChartDataEntry: PieChartDataEntry {
        return PieChartDataEntry(value: Double(self.counter), label: self.country)
    }
    
//    static func htmlHeaders() -> String {
//        var strings: [String] = []
//        strings.append("Country")
//        strings.append("Cashes")
//        let all = strings.joined(separator: "</td><td>")
//        return "<tr class=\"table-header\"><td>\(all)</td></tr>"
//    }
//    
//    func html() -> String {
//        
//        let formattedCountry: String
//        if let flagoji = Locale.current.flagoji(from: self.country) {
//            formattedCountry = "\(flagoji) \(self.country)"
//        } else {
//            formattedCountry = self.country
//        }
//        
//        var strings: [String] = []
//        strings.append(formattedCountry)
//        strings.append("\(counter)")
//        let all = strings.joined(separator: "</td><td>")
//        return "<tr><td>\(all)</td></tr>"
//    }
    
}