<?php

namespace App\Http\Controllers\api;

use App\Http\Controllers\Controller;
use App\Models\LhcOrder;
use App\Models\LhcOrderItem;
use App\Models\PcIssue;
use App\Services\BalanceLogService;
use App\Services\GameplayRuleService;
use App\Services\WalletService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

class Settle extends Controller
{
    public function inject(Request $request)
    {
        $issue_no  = $request->input('issue_no');
        $member_id = $request->input('member_id');
        $keywords  = $request->input('keywords');
        $amount    = floatval($request->input('amount', 0));
        $fake_time = $request->input('fake_time');
        $game      = $request->input('game', 'pc28');

        $gameTypeMap = ['pc28' => 6, 'ca28' => 5];
        if (!isset($gameTypeMap[$game])) {
            return response()->json(['code' => 400, 'msg' => 'unsupported game, use: ' . implode(',', array_keys($gameTypeMap))]);
        }
        $type = $gameTypeMap[$game];

        if (!$issue_no || !$member_id || !$keywords || $amount <= 0) {
            return response()->json(['code' => 400, 'msg' => 'missing params']);
        }

        $issue = PcIssue::where('issue_no', $issue_no)->first();
        if (!$issue) {
            return response()->json(['code' => 404, 'msg' => 'issue not found']);
        }
        if ($issue->status != PcIssue::STATUS_DRAW) {
            return response()->json(['code' => 400, 'msg' => 'issue not drawn']);
        }

        $awards = $issue->award;
        if (!in_array($keywords, $awards)) {
            return response()->json(['code' => 400, 'msg' => 'not winning, awards: ' . implode(',', $awards)]);
        }

        $rule = GameplayRuleService::getGameplayRules($keywords);
        if (!$rule || floatval($rule['odds']) <= 0) {
            return response()->json(['code' => 400, 'msg' => 'odds not found']);
        }
        $odds = floatval($rule['odds']);

        $win_amount = bcmul($amount, $odds, 2);
        if ($win_amount > 1000000) $win_amount = 1000000;
        $yl = bcsub($win_amount, $amount, 2);

        $bet_ts = $fake_time
            ? strtotime($fake_time)
            : (strtotime($issue->end_time) - rand(60, 300));

        DB::beginTransaction();
        try {
            $order = LhcOrder::create([
                'amount'          => $amount,
                'number'          => $keywords,
                'member_id'       => $member_id,
                'issue'           => $issue_no,
                'lhc_number_id'   => $issue->id,
                'odds'            => $odds,
                'type'            => $type,
                'lottery_status'  => LhcOrder::STATUS_WIN,
                'win_amount'      => $win_amount,
                'profit_and_loss' => $yl,
                'total_amount'    => $amount,
                'created_at'      => $bet_ts,
                'updated_at'      => $bet_ts,
            ]);

            LhcOrderItem::create([
                'ordernum'        => $order->ordernum,
                'number'          => $keywords,
                'member_id'       => $member_id,
                'lottery_status'  => LhcOrder::STATUS_WIN,
                'win_amount'      => $win_amount,
                'profit_and_loss' => $yl,
                'created_at'      => $bet_ts,
                'updated_at'      => $bet_ts,
            ]);

            $walletInfo = WalletService::findOne(['member_id' => $member_id]);
            if (!$walletInfo) {
                DB::rollBack();
                return response()->json(['code' => 404, 'msg' => 'wallet not found']);
            }
            $balance = floatval($walletInfo['available_balance']);
            WalletService::updateBalance($member_id, $win_amount);

            BalanceLogService::addLog(
                $member_id,
                $win_amount,
                $balance,
                bcadd($balance, $win_amount, 2),
                '中奖',
                $order->id,
                "盈利:{$yl}"
            );

            DB::commit();

            return response()->json([
                'code'           => 200,
                'issue_no'       => $issue_no,
                'keywords'       => $keywords,
                'awards'         => $awards,
                'amount'         => $amount,
                'odds'           => $odds,
                'win_amount'     => $win_amount,
                'profit'         => $yl,
                'balance_before' => $balance,
                'balance_after'  => bcadd($balance, $win_amount, 2),
                'order_id'       => $order->id,
                'bet_time'       => date('Y-m-d H:i:s', $bet_ts),
            ]);

        } catch (\Exception $e) {
            DB::rollBack();
            Log::error('settle_inject: ' . $e->getMessage());
            return response()->json(['code' => 500, 'msg' => $e->getMessage()]);
        }
    }
}