<?php

namespace App\Services\AgentSettlement;

use App\Models\Player;
use App\Support\CreditAmountScale;
use App\Models\TicketItem;
use App\Support\PlayerFundingMode;
use Illuminate\Support\Facades\DB;

final class GameSettlementReversalService
{
    public function reverseTicketItem(TicketItem $item): void
    {
        $ledger = DB::table('share_ledger')->where('ticket_item_id', $item->id)->whereNull('reversal_of_id')->first();
        if ($ledger === null) {
            return;
        }

        $settledAt = now();

        DB::transaction(function () use ($item, $ledger, $settledAt): void {
            DB::table('share_ledger')->insert([
                'ticket_item_id' => $item->id,
                'player_id' => $ledger->player_id,
                'agent_node_id' => $ledger->agent_node_id,
                'agent_path' => $ledger->agent_path,
                'share_snapshot' => $ledger->share_snapshot,
                'game_win_loss' => -1 * (int) $ledger->game_win_loss,
                'basic_rebate' => -1 * (int) $ledger->basic_rebate,
                'shared_net_win_loss' => -1 * (int) $ledger->shared_net_win_loss,
                'allocations_json' => $ledger->allocations_json,
                'reversal_of_id' => $ledger->id,
                'settled_at' => $settledAt,
                'created_at' => $settledAt,
                'updated_at' => $settledAt,
            ]);

            $rebates = DB::table('rebate_records')
                ->where('ticket_item_id', $item->id)
                ->where('status', 'accrued')
                ->get();

            foreach ($rebates as $rebate) {
                DB::table('rebate_records')->insert([
                    'player_id' => $rebate->player_id,
                    'ticket_item_id' => $item->id,
                    'game_type' => $rebate->game_type,
                    'valid_bet_amount' => $rebate->valid_bet_amount,
                    'rebate_rate' => $rebate->rebate_rate,
                    'rebate_amount' => -1 * (int) $rebate->rebate_amount,
                    'rebate_type' => $rebate->rebate_type,
                    'owner_agent_id' => $rebate->owner_agent_id,
                    'status' => 'reversed',
                    'reversal_of_id' => $rebate->id,
                    'created_at' => $settledAt,
                    'updated_at' => $settledAt,
                ]);
                DB::table('rebate_records')->where('id', $rebate->id)->update(['status' => 'reversed']);
            }

            $player = Player::query()->find((int) $ledger->player_id);
            if ($player !== null && PlayerFundingMode::usesCredit($player) && (int) $ledger->game_win_loss > 0) {
                $playerId = (int) $ledger->player_id;
                $row = DB::table('player_credit_accounts')->where('player_id', $playerId)->first();
                if ($row !== null) {
                    $deltaMinor = (int) $ledger->game_win_loss;
                    $deltaMajor = CreditAmountScale::minorToMajor(
                        $deltaMinor,
                        (string) $player->default_currency,
                    );
                    DB::table('player_credit_accounts')
                        ->where('player_id', $playerId)
                        ->update([
                            'used_credit' => max(0, (int) $row->used_credit - $deltaMajor),
                            'updated_at' => $settledAt,
                        ]);
                }
            }
        });
    }
}