<?php

namespace format;

use app\admin\model\zy\game\Game;

class Game17 implements GameInterface
{
    //  赛制说明
    public function describe(): string
    {
        return '双打+八人转 比赛说明:
        每个人与其他人各搭档1次，决出个人排名
        数 4 ≦ n ≦ 16 (Default：8)
        轮数 3 ≦ m＜n (Default：7)
        报名费 0 ≦ m ≦ 10 元 (Default: 5)
        由前几名按比例瓜分 (可调 Default：40%/30%/20%/10%)';
    }

    //  首轮对阵安排
    public function match(Game $game, array $users): array
    {
        $math = $team = [];
        $utotal = count($users);
        //队伍分配
        for ($i = 0; $i < $utotal; $i++) {
            for ($j = $i + 1; $j < $utotal; $j++) {
                $teamName = 'team' . $i . $j;
                $team[] = ([
                    'name' => $teamName,
                    'user' => [
                        [
                            'user_id' => $users[$i]['user_id'],
                            'gender' => $users[$i]['gender'],
                            'avatar' => $users[$i]['avatar'],
                            'name' => $users[$i]['name'],
                        ],
                        [
                            'user_id' => $users[$j]['user_id'],
                            'gender' => $users[$j]['gender'],
                            'avatar' => $users[$j]['avatar'],
                            'name' => $users[$j]['name'],
                        ]
                    ]
                ]);
                $users[$i]['team'] = $users[$j]['team'] = $teamName;
            }
        }
        // 对阵分配
        $ttotal = count($team);
        // df("共 $utotal 人：");
        $n = 1;
        for ($i = 0; $i < $ttotal; $i++) {
            for ($j = $i + 1; $j < $ttotal; $j++) {
                if (array_intersect(array_column($team[$i]['user'], 'user_id'), array_column($team[$j]['user'], 'user_id'))) {
                    continue; //一个人不能同时在两边队伍
                }
                $math[] = [
                    'gym_id' => $game['gym_id'],
                    'club_id' => $game['club_id'],
                    'act_id' => $game['act_id'],
                    'game_id' => $game['id'],
                    'level' => 1, //轮次
                    'turn' => $n, //场次
                    'teamA' => json_encode($team[$i]), //队伍A
                    'teamB' => json_encode($team[$j]), //队伍B
                ];
                // $ta =array_column($team[$i]['user'],'user_id');
                // $tb =array_column($team[$j]['user'],'user_id');
                // df("第 $n 场：".$ta[0].'/'.$ta[1].' VS '.$tb[0].'/'.$tb[1]);
                $n++;
            }
        }
        return $math;
    }

    //  下一轮对阵安排
    public function nextLevel(Game $game, array $maths, $level): array
    {
        if ($game['rule_type'] < 15) { //15战队淘汰赛，16单项淘汰赛，17分区循环淘汰赛
            return []; //只有淘汰赛才有下一轮对阵安排，其他类型比赛只有一轮
        }
        $winner = $next = [];
        foreach ($maths as $m) {
            $winner[] = json_decode($m['winner'], true);
        }
        $total = count($winner);
        $n = 1;
        for ($i = 0; $i < $total; $i++) {
            for ($j = $i + 1; $j < $total; $j++) {
                if (array_intersect(array_column($winner[$i]['user'], 'user_id'), array_column($winner[$j]['user'], 'user_id'))) {
                    continue; 
                }
                $next[] = [
                    'gym_id' => $game['gym_id'],
                    'club_id' => $game['club_id'],
                    'act_id' => $game['act_id'],
                    'game_id' => $game['id'],
                    'level' => $level, //轮次
                    'turn' => $n, //场次
                    'teamA' => json_encode($winner[$i]), //队伍A
                    'teamB' => json_encode($winner[$j]), //队伍B
                ];
                $n++;
            }
        }
        return $next;
    }

    //  奖金分配
    public function prize(array $rank): array
    {
        return $rank;
    }
}