<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class VerifyFinanceLedger extends Command
{
    protected $signature = 'finance-ledger:verify';

    protected $description = '校验财务台账数量、金额勾稽和流水平衡（只读）';

    public function handle(): int
    {
        $db = DB::connection((string) config('upstream_mirrors.connection', 'business_mirror'));
        $accounts = (int) $db->table('fin_accounts')->count();
        $shops = (int) $db->table('fin_shops')->count();
        $companies = (int) $db->table('fin_companies')->count();
        $openingRows = (int) $db->table('fin_account_opening')->count();
        $transactions = (int) $db->table('fin_transactions')->count();
        $flows = (int) $db->table('fin_daily_flows')->count();
        $maps = (int) $db->table('fin_account_map')->count();
        $mapped = (int) $db->table('fin_account_map')->whereNotNull('account_short')->where('account_short', '<>', '')->count();

        $accountBalance = round((float) $db->table('fin_accounts')->sum('current_balance'), 2);
        $openingSum = round((float) $db->table('fin_account_opening')->sum('opening_balance'), 2);
        $income = round((float) $db->table('fin_transactions')->sum('income'), 2);
        $expense = round((float) $db->table('fin_transactions')->sum('expense'), 2);
        $flowOpening = round((float) $db->table('fin_daily_flows')->sum('opening_balance'), 2);
        $flowInflow = round((float) $db->table('fin_daily_flows')->sum('inflow'), 2);
        $flowOutflow = round((float) $db->table('fin_daily_flows')->sum('outflow'), 2);
        $flowClosing = round((float) $db->table('fin_daily_flows')->sum('closing_balance'), 2);
        $diff = round($flowOpening + $flowInflow - $flowOutflow - $flowClosing, 2);

        $this->table(['项目', '值'], [
            ['账户', $accounts],
            ['店铺', $shops],
            ['公司', $companies],
            ['期初账户', $openingRows],
            ['期初合计', number_format($openingSum, 2)],
            ['账户余额合计', number_format($accountBalance, 2)],
            ['动账明细', $transactions],
            ['收入合计', number_format($income, 2)],
            ['支出合计', number_format($expense, 2)],
            ['每日流水', $flows],
            ['流水期末合计', number_format($flowClosing, 2)],
            ['流水勾稽差异', number_format($diff, 2)],
            ['映射记录', $maps],
            ['已映射', $mapped],
        ]);

        $errors = [];
        if (abs($openingSum - $accountBalance) > 0.01) {
            $errors[] = '期初合计与账户余额合计不一致。';
        }
        if (abs($diff) > 0.01) {
            $errors[] = '每日流水期末不等于期初+入账-出账。';
        }
        if ($openingRows !== $flows) {
            $errors[] = '期初账户数与当前流水行数不一致（期初日应一账户一行）。';
        }

        foreach ($errors as $error) {
            $this->error($error);
        }

        return $errors === [] ? self::SUCCESS : self::FAILURE;
    }
}