//
//  DBHelpers.swift
//  App
//
//  Created by Michael Simard on 8/4/21.
//

import Fluent
import Vapor

class DBHelpers {
    
    static func relcalulateRecords(db:Database, completion:(_ message:String)->()){
        
         let group = DispatchGroup()
        _ =  try? StatsController().forceCalculatedStats(db: db).map({ statsDict in

            
         
            for key in statsDict.keys {
                print (key)
                group.enter()
            }
            
            for key in statsDict.keys {
                
                let s:EventLoopFuture<Void> =  WinLossRecords.query(on: db).filter(\.$codTrackerId == key).first()
                    .unwrap(or: Abort(.notFound))
                    .flatMap {
                        
                        $0.update(statistics: WinLossRecords(id: $0.id, title: $0.title, wins: statsDict[key]?.totalWins ?? 0, losses: statsDict[key]?.totalLosses ?? 0, codTrackerId: $0.codTrackerId))
                    
                        return $0.save(on: db)
                    }
                    
            
                s.whenComplete { result in
                    group.leave()
                    return
                }
                 
            
            }
        })
       .wait()

        
        group.wait()

        completion("complete")

        
    }
    
    
}