package com.yanzuoguang.dao.cond;

import com.yanzuoguang.dao.impl.SqlDataField;
import com.yanzuoguang.util.base.ObjectHelper;
import com.yanzuoguang.util.helper.StringHelper;

import java.util.Arrays;
import java.util.List;

/**
 * 包含的值字段
 *
 * @author 颜佐光
 */
public class SqlCondEquals extends SqlCondBase {

    public Object val;

    public SqlCondEquals(String field, Object val) {
        this(Arrays.asList(field), val);
    }

    public SqlCondEquals(List<String> fields, Object val) {
        super(fields);
        this.val = val;
    }

    /**
     * 当前条件是否相等
     *
     * @return
     */
    @Override
    protected int getCondType(Object model, SqlDataField sqlField) {
        // 判断是否包含输入参数
        boolean isInputField = !this.fields.isEmpty();
        // 判断是否属于条件
        boolean isCond = sqlField.getCodes().size() > 0 && sqlField.isAuto();
        if (isInputField && isCond) {
            for (String field : this.fields) {
                // 获取值
                Object val = ObjectHelper.get(model, field);
                if (StringHelper.isEmpty(val) || StringHelper.isEmptyArray(val)) {
                    continue;
                }
                if (StringHelper.compare(val, this.val)) {
                    // 只要有值不为空，则条件满足
                    return COND_TYPE_CODE_COND;
                }
            }
        }
        return COND_TYPE_NONE;
    }

    /**
     * 将当前条件复制为新的对象
     *
     * @return
     */
    @Override
    public SqlCond copy() {
        SqlCondEquals cond = new SqlCondEquals(this.fields, this.val);
        return cond;
    }
}