<?php

namespace App\Enums;

enum Bank {
    case CCB;
    case ABC;
    case ICBC;
    case BOC;
    case BOCO;
    case CMBCHINA;
    case CMBC;
    case CIB;
    case CITIC;
    case SPDB;
    case CEB;
    case PSBC;
    case SDB;

    /**
     * @return string
     */
    public function bankName(): string
    {
        return static::banks()[$this->name];
    }

    /**
     * @param string $bankName
     * @return static
     */
    public static function tryFromBankName(string $bankName): ?static
    {
        foreach (static::cases() as $enum) {
            if ($enum->bankName() === $bankName) {
                return $enum;
            }
        }

        return null;
    }

    /**
     * @return array
     */
    public static function banks(): array
    {
        return [
            static::CCB->name => '中国建设银行',
            static::ABC->name => '中国农业银行',
            static::ICBC->name => '中国工商银行',
            static::BOC->name => '中国银行',
            static::BOCO->name => '交通银行',
            static::CMBCHINA->name => '招商银行',
            static::CMBC->name => '民生银行',
            static::CIB->name => '兴业银行',
            static::CITIC->name => '中信实业银行',
            static::SPDB->name => '上海浦东发展银行',
            static::CEB->name => '光大银行',
            static::PSBC->name => '邮政储蓄银行',
            static::SDB->name => '平安银行',
        ];
    }
}