import Foundation

final class FinishedTable: AbstractTable<FinishedPlayer> {

    let game: GameType

    var winners: [FinishedPlayer] {
        leadersHaveWon ? leaders : opponents
    }

    var loosers: [FinishedPlayer] {
        leadersHaveWon ? opponents : leaders
    }

    var leaders: [FinishedPlayer] {
        players.filter { $0.leadsGame }
    }

    var opponents: [FinishedPlayer] {
        players.filter { !$0.leadsGame }
    }

    var winningPoints: Int {
        leadersHaveWon ? leadingPoints : 120 - leadingPoints
    }

    var loosingPoints: Int {
        leadersHaveWon ? 120 - leadingPoints : leadingPoints
    }

    let leadingPoints: Int

    var leadersHaveWon: Bool {
        leadingPoints > 60
    }

    var isSchwarz: Bool {
        loosingPoints == 0
    }

    var isSchneider: Bool {
        loosingPoints < (leadersHaveWon ? 30 : 31)
    }

    override var playedGame: GameType? {
        game
    }

    init(table: PlayingTable)  {

        let players = table.players.map(FinishedPlayer.init)
        self.game = table.game
        leadingPoints = players
            .filter { $0.leadsGame }
            .map { $0.points }
            .reduce(0, +)
        // TODO: Set isNextActor for winners
        // TODO: Check for bettel
        // TODO: Set schneider, schwarz, cost
        super.init(table: table, players: players)
    }

    /**
     Perform a deal action on the finished table.

     - Parameter action: The action to perform
     - Parameter player: The name of the player
     */
    override func perform(action: PlayerAction, forPlayer name: PlayerName) -> (result: PlayerActionResult, table: ManageableTable?) {
        // Only dealing is allowed...
        guard action == .deal else {
            return (.tableStateInvalid, nil)
        }
        guard let player = players.player(named: name) else {
            print("Unexpectedly missing player \(name) for deal action at finished table \(self.name)")
            return (.tableStateInvalid, nil)
        }

        guard player.canPerform(.deal) else {
            print("Finished table: Player \(name) can't perform deal")
            return (.tableStateInvalid, nil)
        }
        let waiting = WaitingTable(oldTableAdvancedByOne: self)
        let table = DealingTable(table: waiting)
        return (.success, table)
    }
}