//
//  PlayerNotableFinishes.swift
//  TournamentStats
//
//  Created by Laurent Morvillier on 28/08/2019.
//  Copyright © 2019 Stax River. All rights reserved.
//

import Foundation
import UIKit

struct PlayerNotableFinishes {
    
    var player: Player
    var wins: [Result] = []
    var runnerUps: [Result] = []
    var finalTables: [Result] = []
    
}

class PlayerNotableFinishesDataSource : NSObject, UITableViewDataSource, UITableViewDelegate {
    
    let notableFinishes: [PlayerNotableFinishes]
    var mostWins: [PlayerNotableFinishes] = []
    var mostWinsCount: Int = 0
    var mostRunnerUps: [PlayerNotableFinishes] = []
    var mostRunnerUpsCount: Int = 0
    var mostFinalTables: [PlayerNotableFinishes] = []
    //    var mostFinalTablesCount: Int = 0
    
    var winsDisplay: [(String, UIFont)] = []
    var runnerUpsDisplay: [(String, UIFont)] = []
    
    init(notableFinishes: [PlayerNotableFinishes]) {
        self.notableFinishes = notableFinishes
        
        var nFinalTables = notableFinishes
        nFinalTables.sort { (p1, p2) -> Bool in
            return p1.finalTables.count > p2.finalTables.count
        }
        self.mostFinalTables = nFinalTables
        
        var nWins = notableFinishes
        nWins.sort { (p1, p2) -> Bool in
            return p1.wins.count > p2.wins.count
        }
        let winsTopCount = nWins.first?.wins.count ?? 0
        self.mostWins = nWins.filter { $0.wins.count == winsTopCount}
        
        for win in self.mostWins {
            self.winsDisplay.append((win.player.formattedName, Fonts.bold))
            let sortedWins = win.wins.sorted(by: { $0.tournaments.first!.number < $1.tournaments.first!.number })
            for result in sortedWins {
                if let tournamentName = result.tournaments.first?.formatted {
                    self.winsDisplay.append(("   " + tournamentName, Fonts.small))
                } else {
                    self.winsDisplay.append(("no tournament!!!", Fonts.small))
                }
            }
        }
        
        ///////
        var nRunnerups = notableFinishes
        nRunnerups.sort { (p1, p2) -> Bool in
            return p1.runnerUps.count > p2.runnerUps.count
        }
        let runnerUpsTopCount = nRunnerups.first?.runnerUps.count ?? 0
        self.mostRunnerUps = nRunnerups.filter { $0.runnerUps.count == runnerUpsTopCount }
        
        for runnerup in self.mostRunnerUps {
            self.runnerUpsDisplay.append((runnerup.player.formattedName, Fonts.bold))
            let sortedRunnerUps = runnerup.runnerUps.sorted(by: { $0.tournaments.first!.number < $1.tournaments.first!.number })
            for result in sortedRunnerUps {
                if let tournamentName = result.tournaments.first?.formatted {
                    self.runnerUpsDisplay.append(("     " + tournamentName, Fonts.regular))
                } else {
                    self.runnerUpsDisplay.append(("no tournament!!!", Fonts.regular))
                }
            }
        }
        
        self.mostWinsCount = winsTopCount
        self.mostRunnerUpsCount = runnerUpsTopCount
        
    }
    
    func finalTablesCumulated() -> [CumulatedResults] {
        var cumulatedResults: [CumulatedResults] = []
        for finalTablist in self.mostFinalTables {
            let cr = CumulatedResults(player: finalTablist.player, results: finalTablist.finalTables)
            cumulatedResults.append(cr)
        }
        cumulatedResults.sort(by: { (c1, c2) -> Bool in
            if c1.numberOfCashes == c2.numberOfCashes {
                return c1.total > c2.total
            }
            return c1.numberOfCashes > c2.numberOfCashes
        })
        
        return cumulatedResults
    }
    
    // MARK: - Table
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        switch section {
        case 0:
            return self.winsDisplay.count
        case 1:
            return self.runnerUpsDisplay.count
        default:
            return self.mostFinalTables.count
        }
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        let cell = UITableViewCell()
        cell.backgroundColor = UIColor.clear
        cell.textLabel?.textColor = Fonts.color
        let font: UIFont
        let text: String
        
        switch indexPath.section {
        case 0:
            text = self.winsDisplay[indexPath.row].0
            font = self.winsDisplay[indexPath.row].1
        case 1:
            text = self.runnerUpsDisplay[indexPath.row].0
            font = self.runnerUpsDisplay[indexPath.row].1
        case 2:
            text = self.mostFinalTables[indexPath.row].player.formattedName
            font = Fonts.regular
        default:
            text = "problem"
            font = Fonts.regular
        }

        cell.textLabel?.text = text
        cell.textLabel?.font = font
        return cell
    }
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        let text: String
        switch section {
        case 0:
            text = "Most bracelets"
        case 1:
            text = "Most runner-ups"
        default:
            text = "Most final tables"
        }
        return self.headerLabel(text: text)
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 32.0
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 60.0
    }
    
    func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
        return 30.0
    }
    
    func headerLabel(text: String) -> UILabel {
        let label = UILabel(frame: CGRect(x: 0, y: 0, width: 500.0, height: 60.0))
        label.textColor = Fonts.titleColor
        label.font = Fonts.title
        label.text = text
        return label
    }
    
}