<?php
namespace App\Controllers\Admin;

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

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

    public function index() {
        $this->checkLogin(); $this->checkAdmin();
        $gameId = $this->getGameId();
        $configs = $this->db->select('water_control', '*', ['game_id' => $gameId]);
        $limits = $this->db->select('bet_limits', '*', ['game_id' => $gameId]);
        $targetProfitRate = \App\Core\SettingsHelper::get('target_profit_rate');
        $this->render('Admin/water_control.php', compact('configs', 'limits', 'gameId', 'targetProfitRate'));
    }

    public function updateWater() {
        $this->checkLogin(); $this->checkAdmin();
        $data = json_decode(file_get_contents('php://input'), true);
        foreach ($data['items'] ?? [] as $item) {
            $existing = $this->db->get('water_control', 'id', [
                'game_id' => (int)$item['game_id'], 'bet_type' => $item['bet_type']
            ]);
            $fields = [
                'win_rate_pct' => floatval($item['win_rate_pct']),
                'enabled' => (int)($item['enabled'] ?? 0),
            ];
            if ($existing) {
                $this->db->update('water_control', $fields, ['id' => $existing]);
            } else {
                $fields['game_id'] = (int)$item['game_id'];
                $fields['bet_type'] = $item['bet_type'];
                $this->db->insert('water_control', $fields);
            }
        }
        $this->json(['status' => 'success']);
    }

    public function updateLimits() {
        $this->checkLogin(); $this->checkAdmin();
        $data = json_decode(file_get_contents('php://input'), true);
        foreach ($data['items'] ?? [] as $item) {
            $existing = $this->db->get('bet_limits', 'id', [
                'game_id' => (int)$item['game_id'], 'bet_type' => $item['bet_type']
            ]);
            $fields = [
                'min_amount' => floatval($item['min_amount']),
                'max_amount' => floatval($item['max_amount']),
                'max_per_period' => floatval($item['max_per_period'] ?? 500000),
            ];
            if ($existing) {
                $this->db->update('bet_limits', $fields, ['id' => $existing]);
            } else {
                $fields['game_id'] = (int)$item['game_id'];
                $fields['bet_type'] = $item['bet_type'];
                $this->db->insert('bet_limits', $fields);
            }
        }
        $this->json(['status' => 'success']);
    }

    public function updateProfitRate() {
        $this->checkLogin(); $this->checkAdmin();
        $data = json_decode(file_get_contents('php://input'), true);
        $rate = isset($data['target_profit_rate']) ? floatval($data['target_profit_rate']) : 15;
        if ($rate < 0 || $rate > 100) {
            $this->json(['status' => 'error', 'message' => '盈利率必须在0-100之间']);
            return;
        }

        $db = $this->db;
        $existing = $db->get('system_settings', 'id', ['setting_key' => 'target_profit_rate']);
        if ($existing) {
            $db->update('system_settings', ['setting_value' => (string)$rate], ['id' => $existing]);
        } else {
            $db->insert('system_settings', ['setting_key' => 'target_profit_rate', 'setting_value' => (string)$rate]);
        }
        \App\Core\SettingsHelper::clearCache();
        $this->json(['status' => 'success']);
    }

    private function getGameId(): int {
        if (!empty($_GET['game_id'])) return (int)$_GET['game_id'];
        return (int)($this->db->get('games', 'id', ['code' => 'pk10']) ?: 0);
    }
    private function json($d) { header('Content-Type: application/json'); echo json_encode($d); }
}