<?php
namespace App\Controllers\Admin;

use App\Core\AdminBaseController;
use Db\Database;

class ReportController extends AdminBaseController {
    private $db;
    public function __construct(Database $db) { $this->db = $db; }

    public function index() {
        $this->checkLogin(); $this->checkAdmin();
        $dateFrom = $_GET['from'] ?? date('Y-m-d', strtotime('-7 days'));
        $dateTo = $_GET['to'] ?? date('Y-m-d');
        $range = [$dateFrom . ' 00:00:00', $dateTo . ' 23:59:59'];

        // 总投注（排除虚拟）
        $totalBet = $this->db->sum('bets', 'amount', [
            'is_virtual' => 0, 'created_at[<>]' => $range
        ]) ?: 0;

        // 总派奖
        $totalWin = $this->db->sum('bets', 'win_amount', [
            'is_virtual' => 0, 'status' => 'win', 'created_at[<>]' => $range
        ]) ?: 0;

        // 平台利润
        $profit = $totalBet - $totalWin;

        // 总充值
        $totalDeposit = $this->db->sum('transactions', 'amount', [
            'is_virtual' => 0, 'type[~]' => '%deposit%', 'amount[>]' => 0,
            'created_at[<>]' => $range
        ]) ?: 0;

        // 总提现
        $totalWithdraw = abs($this->db->sum('transactions', 'amount', [
            'is_virtual' => 0, 'type[~]' => '%withdraw%', 'amount[<]' => 0,
            'created_at[<>]' => $range
        ]) ?: 0);

        // 代理佣金
        $totalCommission = $this->db->sum('agent_commissions', 'commission', [
            'created_at[<>]' => $range
        ]) ?: 0;

        // 反水
        $totalRebate = $this->db->sum('agent_commissions', 'commission', [
            'type' => 'rebate', 'created_at[<>]' => $range
        ]) ?: 0;

        // 用户统计
        $totalUsers = $this->db->count('users', ['is_virtual' => 0]);
        $newUsers = $this->db->count('users', [
            'is_virtual' => 0, 'created_at[<>]' => $range
        ]);

        // 每日明细
        $dailyStats = [];
        $start = new \DateTime($dateFrom);
        $end = new \DateTime($dateTo);
        $end->modify('+1 day');
        $interval = new \DateInterval('P1D');
        $period = new \DatePeriod($start, $interval, $end);
        foreach ($period as $day) {
            $d = $day->format('Y-m-d');
            $dr = [$d . ' 00:00:00', $d . ' 23:59:59'];
            $dailyStats[] = [
                'date' => $d,
                'bets' => $this->db->sum('bets', 'amount', ['is_virtual'=>0,'created_at[<>]'=>$dr]) ?: 0,
                'wins' => $this->db->sum('bets', 'win_amount', ['is_virtual'=>0,'status'=>'win','created_at[<>]'=>$dr]) ?: 0,
                'deposits' => $this->db->sum('transactions', 'amount', ['is_virtual'=>0,'type[~]'=>'%deposit%','amount[>]'=>0,'created_at[<>]'=>$dr]) ?: 0,
                'withdraws' => abs($this->db->sum('transactions', 'amount', ['is_virtual'=>0,'type[~]'=>'%withdraw%','amount[<]'=>0,'created_at[<>]'=>$dr]) ?: 0),
            ];
        }

        // 代理报表
        $agentStats = [];
        $agents = $this->db->select('agents', '*', ['status' => 1]);
        foreach ($agents as $ag) {
            $playerIds = $this->db->select('users', 'id', ['agent_id' => $ag['id'], 'is_virtual' => 0]);
            $agBet = 0; $agWin = 0;
            if (!empty($playerIds)) {
                $agBet = $this->db->sum('bets', 'amount', ['user_id' => $playerIds, 'is_virtual'=>0, 'created_at[<>]'=>$range]) ?: 0;
                $agWin = $this->db->sum('bets', 'win_amount', ['user_id' => $playerIds, 'is_virtual'=>0, 'status'=>'win', 'created_at[<>]'=>$range]) ?: 0;
            }
            $agComm = $this->db->sum('agent_commissions', 'commission', ['agent_id'=>$ag['id'],'created_at[<>]'=>$range]) ?: 0;
            $agentStats[] = [
                'agent' => $ag,
                'user' => $this->db->get('users', ['username'], ['id' => $ag['user_id']]),
                'players' => count($playerIds),
                'bets' => $agBet, 'wins' => $agWin, 'commission' => $agComm,
                'profit' => $agBet - $agWin - $agComm,
            ];
        }

        $this->render('Admin/reports.php', compact(
            'dateFrom','dateTo','totalBet','totalWin','profit',
            'totalDeposit','totalWithdraw','totalCommission','totalRebate',
            'totalUsers','newUsers','dailyStats','agentStats'
        ));
    }

    private function json($data) { header('Content-Type: application/json'); echo json_encode($data); }
}