//
//  ReportGenerator.swift
//  TournamentStats
//
//  Created by Laurent Morvillier on 03/06/2019.
//  Copyright © 2019 Stax River. All rights reserved.
//

import Foundation
import RealmSwift
import Realm

class ReportGenerator {
    
    static private let winnersDirectoryName: String = "reports/winners"
    
    func go(importData: Bool) {
        
        if (importData) {
         
            let realm = try! Realm()
            try! realm.write {
                realm.deleteAll()
            }
            
            Seed.createTournaments()
            RowImporter.start()
        }
        
        self.generateReports()
        self.writeHTML()

    }
    
    func createDirectories() {
        
        // Create winners directory if necessary
        if let docDirectory = FileUtils.documentsDirectoryPath {
            let winnersDirectory = docDirectory.appendingPathComponent(ReportGenerator.winnersDirectoryName)
            var isDir: ObjCBool = true
            if !FileManager.default.fileExists(atPath: winnersDirectory.absoluteString, isDirectory: &isDir) {
                do {
                    try FileManager.default.createDirectory(at: winnersDirectory, withIntermediateDirectories: true, attributes: nil)
                } catch {
                    print(error)
                }
            }
        }

    }
    
    var festivalStats: FestivalStats = FestivalStats()
    var biggestWinners: [CumulatedResults] = []
    var mostWins: [CumulatedWins] = []
    var mostCashes: [CumulatedResults] = []
    var tournamentWinners: [TournamentWinner] = []
    var tourniesByEntries: [TournamentRepresentable] = []
    var tourniesByPrizepool: [TournamentRepresentable] = []
    var winsByCountry: [CountryCounter] = []
    var USAvsWorldWins: [CountryCounter] = []
    var cashesByCountry: [CountryCounter] = []
    var averageEvent: [TournamentStats] = []
    var notablesMostCashes: [CumulatedResults] = []
    var averageCash: [CumulatedResults] = []
    var tournamentBuyinDistribution: [DistributionCounter] = []
    var tournamentPrizepoolDistribution: [DistributionCounter] = []
    var firstPrizeDistribution: [DistributionCounter] = []
    var gamesDistribution: [DistributionCounter] = []
    var rankings1: PlayerNotableFinishesDataSource = PlayerNotableFinishesDataSource(notableFinishes: [])
    var finalTables: [CumulatedResults] = []
    var tableSizeDistribution: [DistributionCounter] = []

    func generateReports() {
        
        self.createDirectories()
        
        let realm = try! Realm()
        
        self.festivalStats = Queries.festivalStats(realm: realm)
        self.biggestWinners = Queries.biggestWinners(realm: realm)
        self.mostWins = Queries.mostWins(realm: realm)
        self.mostCashes = Queries.mostCashes(realm: realm)
        self.tournamentWinners = Queries.allWinnersSortedByEvent(realm: realm)
        self.tourniesByEntries = Queries.sortedEvents(realm: realm, fieldName: "entries", ascending: false)
        self.tourniesByPrizepool = Queries.sortedEvents(realm: realm, fieldName: "prizepool", ascending: false)
        self.winsByCountry = Queries.winsByCountry(realm: realm)
        self.USAvsWorldWins = CountryCounter.aggregate(table: self.winsByCountry, param: "United States")
        self.cashesByCountry = Queries.cashesByCountry(realm: realm)
        self.averageEvent = Queries.averageEvent(realm: realm)
        self.notablesMostCashes = Queries.mostCashes(realm: realm, notable: true)
        self.averageCash = Queries.averageCash(realm: realm, minCount: 8)
        self.tournamentBuyinDistribution = Queries.tournamentBuyinDistribution(realm: realm)
        self.tournamentPrizepoolDistribution = Queries.tournamentPrizepoolDistribution(realm: realm)
        self.firstPrizeDistribution = Queries.firstPrizeDistribution(realm: realm)
        self.gamesDistribution = Queries.gamesDistribution(realm: realm)
        
        let pnds = PlayerNotableFinishesDataSource(notableFinishes: Queries.rankingCounts(realm: realm))
        self.rankings1 = pnds
        self.finalTables = pnds.finalTablesCumulated()
        
        self.tableSizeDistribution = Queries.tableSizeDistribution(realm: realm)
        
        let tourniesDate = realm.objects(Tournament.self).distinct(by: ["date"])
        
        // Individual days
        for tourny in tourniesDate {
            let date = tourny.date
            let fileDate = Formatter.fileDate.string(from: date)

            let dayWinners = Queries.allWinnersSortedByEvent(realm: realm, date: date)
            dayWinners.writeHTML(fileName: "reports/winners/bracelets_\(fileDate).html")
            
            let notableCashes = Queries.notableCashes(realm: realm, date: date)
            notableCashes.writeHTML(fileName: "reports/winners/notables_\(fileDate).html")
        }

        print("total player count = \(realm.objects(Player.self).count)") // 16203, 16129

    }
    
    fileprivate func writeHTML() {
        self.biggestWinners.writeHTML(fileName: "reports/earningsLeaderboard.html")
        self.mostCashes.writeHTML(fileName: "reports/mostCashes.html", limit: 25)
        self.tournamentWinners.writeHTML(fileName: "reports/allWinners.html", limit: nil)
        self.tournamentWinners.writeHTML(fileName: "reports/allWinners_top10.html", limit: 10)
        self.tourniesByEntries.writeHTML(fileName: "reports/tourniesByEntries.html", limit: nil)
        self.tourniesByEntries.writeHTML(fileName: "reports/tourniesByEntries_top5.html", limit: 5)
        self.tourniesByPrizepool.writeHTML(fileName: "reports/tourniesByPrizepool.html", limit: nil)
        self.tourniesByPrizepool.writeHTML(fileName: "reports/tourniesByPrizepool_top5.html", limit: 5)
        self.winsByCountry.writeHTML(fileName: "reports/countryWins.html")
        self.cashesByCountry.writeHTML(fileName: "reports/countryCashes.html")
        self.averageEvent.writeHTML(fileName: "reports/averageEvent.html")
        self.notablesMostCashes.writeHTML(fileName: "reports/notablesMostCashes.html", limit: nil)
        self.averageCash.writeHTML(fileName: "reports/bestAverageCashes.html", limit: 5)
        self.tournamentBuyinDistribution.writeHTML(fileName: "reports/buyinDistribution.html")
        self.tournamentPrizepoolDistribution.writeHTML(fileName: "reports/prizepoolDistribution.html")
        self.firstPrizeDistribution.writeHTML(fileName: "reports/firstPrizeDistribution.html")
        self.gamesDistribution.writeHTML(fileName: "reports/holdemDistribution.html")
        
    }
    
}