<?php

namespace app\models;

use Exception;
use Yii;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;

/**
 * This is the model class for table "{{%currency}}".
 *
 * @property int $id ID
 * @property int $store_id 商城ID
 * @property string $name 币种名称
 * @property string $scale 精度
 * @property string $unit 币种单位
 * @property string $code 币种代码
 * @property string $symbol
 * @property string $plugin_code 插件代码
 * @property float $exchange_rate 兑换比例
 * @property float $guid_price 指导价
 * @property float $cny_price
 * @property float $exchange_price 兑换价
 * @property float $draw_fee_ratio
 * @property int $enable 是否启用 【1是 0否】
 * @property int $enable_draw 是否启用 【1是 0否】
 * @property int $enable_bussiness_mode 是否支持商业模式【1是 0否】
 * @property int $enable_goods_deduct 是否支持商品抵扣【1是 0否】
 * @property string $remark 备注
 * @property int $created_at 创建时间
 * @property int $updated_at 更新时间
 * @property int $enable_exchange
 * @property int $ts_cardinal_number
 * @property int $ex_cardinal_number
 * @property string $remainder
 */
class Currency extends \yii\db\ActiveRecord
{
    // 贡献积分
    const CURRENCY_COIN = 'coin';
    // 串码红包
    const CURRENCY_STRING_CODE = 'string_code';

    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return '{{%currency}}';
    }

    public function behaviors()
    {
        return [
            [
                'class' => TimestampBehavior::class,
                'attributes' => [
                    ActiveRecord::EVENT_BEFORE_INSERT => ['created_at'],
                    ActiveRecord::EVENT_BEFORE_UPDATE => ['updated_at']
                ]
            ]
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['store_id', 'code', 'name', 'unit', 'exchange_rate', 'enable', 'enable_bussiness_mode', 'enable_goods_deduct'], 'required'],
            [['id', 'store_id', 'ts_cardinal_number', 'ex_cardinal_number', 'enable', 'enable_bussiness_mode', 'enable_exchange', 'enable_goods_deduct', 'is_transfer', 'created_at', 'updated_at', 'enable_balance', 'enable_draw', 'enable_transmit', 'transmit_user_type', 'scale'], 'integer'],
            [['exchange_rate', 'transfer_fee_rate', 'balance_rate', 'transmit_rate', 'balance_fee_ratio', 'draw_fee_ratio', 'remainder', 'guid_price','cny_price', 'exchange_price'], 'number'],
            [['name', 'unit'], 'string', 'max' => 64],
            ['code', 'checkCode'],
            [['code'], 'match', 'pattern' => '/^[a-z][a-z_0-9]{1,}$/', 'message' => '币种码只能以小写字母、数字和下划线构成，并且只能以字母开头'],
            [['code', 'symbol', 'plugin_code', 'type'], 'string', 'max' => 32],
            [['logo'], 'string', 'max' => 128],
            [['remark'], 'string', 'max' => 255],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'store_id' => '店铺ID',
            'name' => '币种名称',
            'scale' => '精度',
            'unit' => '币种单位',
            'code' => '币种代码',
            'plugin_code' => '插件代码',
            'logo' => '币种图标',
            'exchange_rate' => '兑换比例',
            'exchange_price' => '兑换价',
            'enable' => '是否启用 【1是 0否】',
            'enable_bussiness_mode' => '是否支持商业模式【1是 0否】',
            'enable_goods_deduct' => '是否支持商品抵扣【1是 0否】',
            'remark' => '备注',
            'is_transfer' => '是否支持转账',
            'transfer_fee_rate' => '转账手续费',
            'type' => '货币类型',
            'created_at' => '创建时间',
            'updated_at' => '更新时间',
            'ts_cardinal_number' => '转送基数',
            'ex_cardinal_number' => '兑换基数',
            'remainder' => '无质押需要剩余',
        ];
    }

    /**
     * 验证code合法性
     */
    public function checkCode($attribute, $params)
    {
        if (in_array($this->code, ['balance', 'score', 'commission'])) $this->addError('code', '此币种代码已被使用');
        $currency = self::find()->where(array('code' => $this->code, 'store_id' => $this->store_id))->one();
        /* @var Currency[] $currency */
        if (!empty($currency)) {
            if ($this->exchange_rate != $currency->exchange_rate) {
                $this->addError('code', '此币种代码已被使用，兑换比例不能修改');
            }
        }
    }

    public static function getCurrencyByCode($store_id, $code)
    {
        return self::find()->where(array('store_id' => $store_id, 'code' => $code, 'enable' => 1))->one();
    }

}