<?php

namespace Modules\EcommerceFinance\Database\Seeds;

use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB;
use Modules\EcommerceFinance\AccountBillColumns;

class AccountBillsTableSeeder extends Seeder
{
    /**
     * 为 6 种账户类型生成演示行（淘系支付宝不在内，它有独立表/种子）。
     * 运行：php artisan db:seed --class=Modules\\EcommerceFinance\\Database\\Seeds\\AccountBillsTableSeeder
     */
    public function run()
    {
        $companyId = (int) (DB::table('companies')->value('id') ?? 1);

        $shops = [
            '淘宝-亿家达家居鞋柜电脑桌',
            '天猫-亿家达旗舰店',
            '天猫-卓禾家具旗舰店',
            '拼多多-亿家达家居旗舰店',
            '京东-亿家达旗舰店',
            '抖音-亿家达旗舰店',
            '得物-亿家达旗舰店',
        ];

        $items = ['交易收款', '退款', '提现到银行卡', '服务费', '红包补贴', '佣金扣款', '平台补贴', '以旧换新自补平台过桥'];

        $now = now();
        $seq = 3000000000000000000;

        foreach (AccountBillColumns::types() as $billType) {
            $config = AccountBillColumns::for($billType);
            DB::table('ec_account_bills')
                ->where('company_id', $companyId)
                ->where('bill_type', $billType)
                ->delete();

            $balance = 50000.00;

            for ($i = 0; $i < 6; $i++) {
                $real = [
                    'company_id' => $companyId,
                    'bill_type' => $billType,
                    'modifier' => 'api',
                    'created_by' => null,
                    'created_from' => 'ecommerce-finance',
                    'created_at' => $now,
                    'updated_at' => $now,
                ];
                $payload = [];

                $income = $i % 2 === 0 ? round(60 + ($i * 37 % 600), 2) : 0.00;
                $expense = $i % 2 === 1 ? round(8 + ($i * 13 % 120), 2) : 0.00;
                $balance += $income - $expense;

                $day = str_pad((string) (1 + ($i % 15)), 2, '0', STR_PAD_LEFT);
                $hh = str_pad((string) (8 + ($i % 12)), 2, '0', STR_PAD_LEFT);
                $mm = str_pad((string) (($i * 7) % 60), 2, '0', STR_PAD_LEFT);
                $occurred = '2026-07-' . $day . ' ' . $hh . ':' . $mm . ':11';

                foreach ($config['columns'] as $col) {
                    [$label, $field, $kind] = [$col['label'], $col['field'], $col['kind']];
                    $value = $this->valueFor($field, $kind, $label, [
                        'i' => $i,
                        'shop' => $shops[($i + crc32($billType)) % count($shops)],
                        'item' => $items[$i % count($items)],
                        'income' => $income,
                        'expense' => $expense,
                        'balance' => round($balance, 2),
                        'occurred' => $occurred,
                        'seq' => $seq,
                    ]);

                    if (strpos($field, 'payload.') === 0) {
                        $payload[substr($field, 8)] = $value;
                    } else {
                        $real[$field] = $value;
                    }
                }

                $real['payload'] = json_encode($payload, JSON_UNESCAPED_UNICODE);
                $seq++;

                DB::table('ec_account_bills')->insert($this->normalizeRow($real));
            }
        }
    }

    private function valueFor($field, $kind, $label, array $c)
    {
        // 真实列优先按字段定值
        switch ($field) {
            case 'record_code':
                return (string) ($c['seq']);
            case 'store_name':
                return $c['shop'];
            case 'bill_item':
                return $c['item'];
            case 'occurred_at':
                return $c['occurred'];
            case 'income':
                return $c['income'];
            case 'expense':
                return $c['expense'];
            case 'balance':
                return $c['balance'];
            case 'amount':
                return $c['income'] + $c['expense'];
            case 'order_no':
                return (string) (1570700000000000000 + $c['i']);
            case 'finance_remark':
            case 'custom_remark':
                return $c['i'] % 3 === 0 ? '财务备注-' . $c['i'] : null;
            case 'remark':
                return $c['item'] . ' 演示备注';
            case 'modifier':
                return 'api';
            case 'created_at':
            case 'updated_at':
                return now();
        }

        // payload 列按 kind 推断
        switch ($kind) {
            case 'date':
                return $c['occurred'];
            case 'num':
                return (string) (3300000000000000 + $c['i'] + crc32($field));
            case 'money':
            case 'balance':
                return $c['amount'] ?? 0;
            case 'money_in':
                return $c['income'];
            case 'money_out':
                return $c['expense'];
            case 'tag':
                return $c['item'];
            default:
                return $label . '-' . $c['i'];
        }
    }

    /**
     * 保证插入行类型与表结构一致（decimal/null）。
     */
    private function normalizeRow(array $real): array
    {
        $decimals = ['amount', 'income', 'expense', 'balance'];

        foreach ($decimals as $k) {
            if (isset($real[$k])) {
                $real[$k] = (float) $real[$k];
            }
        }

        if (empty($real['finance_remark'])) {
            $real['finance_remark'] = null;
        }
        if (empty($real['custom_remark'])) {
            $real['custom_remark'] = null;
        }

        return $real;
    }
}