//
//  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"
    
    static func go() {
        
        let realm = try! Realm()
        try! realm.write {
            realm.deleteAll()
        }
        
        Seed.createTournaments()
        Importer.start()
        ReportGenerator.create()

    }
    
    static func createDirectories() {
        
        // Create winners directory if necessary
        if let docDirectory = FileUtils.documentsDirectoryPath {
            let winnersDirectory = docDirectory.appendingPathComponent(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)
                }
            }
        }

    }
    
    static func create() {
        
        self.createDirectories()
        
        let realm = try! Realm()
        
        Queries.biggestWinners(realm: realm).writeHTML(fileName: "reports/earningsLeaderboard.html")
        Queries.mostCashes(realm: realm).writeHTML(fileName: "reports/mostCashes.html", limit: 25)
        
        let tournamentWinners = Queries.allWinnersSortedByEvent(realm: realm)
        tournamentWinners.writeHTML(fileName: "reports/allWinners.html", limit: nil)
        tournamentWinners.writeHTML(fileName: "reports/allWinners_top10.html", limit: 10)

        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")
        }
        
        let tourniesByEntries = Queries.sortedEvents(realm: realm, fieldName: "entries", ascending: false)
        tourniesByEntries.writeHTML(fileName: "reports/tourniesByEntries.html", limit: nil)
        tourniesByEntries.writeHTML(fileName: "reports/tourniesByEntries_top5.html", limit: 5)
        let tourniesByPrizepool = Queries.sortedEvents(realm: realm, fieldName: "prizepool", ascending: false)
        tourniesByPrizepool.writeHTML(fileName: "reports/tourniesByPrizepool.html", limit: nil)
        tourniesByPrizepool.writeHTML(fileName: "reports/tourniesByPrizepool_top5.html", limit: 5)

        Queries.winsByCountry(realm: realm).writeHTML(fileName: "reports/countryWins.html")
        Queries.cashesByCountry(realm: realm).writeHTML(fileName: "reports/countryCashes.html")
        Queries.averageEvent(realm: realm).writeHTML(fileName: "reports/averageEvent.html")
        Queries.mostCashes(realm: realm, notable: true).writeHTML(fileName: "reports/notablesMostCashes.html", limit: nil)
        Queries.averageCash(realm: realm).writeHTML(fileName: "reports/averageCashes.html", limit: 5)

    }
    
}