package com.vci.ubcs.ddl.processor.dll;

import com.vci.ubcs.ddl.bo.DdlFieldMappingAttrBO;
import com.vci.ubcs.ddl.mapper.DllDmMapper;
import com.vci.ubcs.ddl.mapper.DllMapper;
import com.vci.ubcs.omd.vo.BtmTypeAttributeVO;
import com.vci.ubcs.starter.util.VciSpringUtil;
import com.vci.ubcs.starter.web.enumpck.VciFieldTypeEnum;
import org.apache.commons.collections4.BidiMap;
import org.springblade.core.tool.utils.StringPool;
import org.springblade.core.tool.utils.StringUtil;
import org.springframework.context.annotation.DependsOn;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.Locale;
import java.util.Optional;

/**
 * Description: 应用于达梦数据，生成创建表操作sql的处理器
 *
 * @author LiHang
 * @date 2023/4/24
 */
@Component
@DependsOn("vciSpringUtil")
public class DllDmMapperProcessor extends DllMapperProcessor {

	private static final DllMapper MAPPER = VciSpringUtil.getBean(DllDmMapper.class);

	private static final BidiMap<VciFieldTypeEnum, DdlFieldMappingAttrBO> FIELD_MAP = getMappingMapCopy();

	static {
		// 需要重新映射的字段类型在这里写
		FIELD_MAP.put(VciFieldTypeEnum.VTDouble, new DdlFieldMappingAttrBO("DOUBLE", 53, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTInteger, new DdlFieldMappingAttrBO("INTEGER", null, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTLong, new DdlFieldMappingAttrBO("NUMBER", 38, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTBoolean, new DdlFieldMappingAttrBO("VARCHAR", 5, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTDate, new DdlFieldMappingAttrBO("DATE", null, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTDateTime, new DdlFieldMappingAttrBO("TIMESTAMP", null, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTTime, new DdlFieldMappingAttrBO("TIME", null, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTFilePath, new DdlFieldMappingAttrBO("TEXT", null, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTClob, new DdlFieldMappingAttrBO("CLOB", 100, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTString, new DdlFieldMappingAttrBO("VARCHAR", 255, null, true, null));
		FIELD_MAP.put(VciFieldTypeEnum.VTString, new DdlFieldMappingAttrBO("VARCHAR2", 255, null, true, null));
	}

	public DllDmMapperProcessor() {
		super(MAPPER);
		System.out.println("-----------------");
		if (MAPPER != null) {
			System.out.println("[success]::加载达梦数据库DLL操作服务成功");
		} else {
			System.out.println("[fail]::加载达梦数据库DLL操作服务失败");
		}
	}

	@Override
	public boolean support(String url) {
		return "dm.jdbc.driver.DmDriver".equals(url);
	}

	@Override
	protected DdlFieldMappingAttrBO getMappingBO(VciFieldTypeEnum fieldTypeEnum) {
		return getMappingBOInMap(fieldTypeEnum, FIELD_MAP);
	}

	@Override
	public String getColumnTypeSql(VciFieldTypeEnum fieldType, BtmTypeAttributeVO attributeVO) {
		DdlFieldMappingAttrBO mappingBO = getMappingBO(fieldType);
		if (mappingBO.getDataLength() != null) {
			//mappingBO用来做最后的校验，如果定义的BO没有字段长度，则说明这个类型生成的sql不应该指定长度。如果指定了长度，说明是字段长度的最大值，VARCHAR、CLOB除外
			// TODO:2024-4-23修改，这儿第一组判断条件取反了，但是这儿应该是不取反才对
			if ((fieldType.equals(VciFieldTypeEnum.VTClob) || fieldType.equals(VciFieldTypeEnum.VTString))
				&& attributeVO.getAttributeLength() > mappingBO.getDataLength()) {
				mappingBO.setDataLength(attributeVO.getAttributeLength());
			}
		}
		mappingBO.setNullable(attributeVO.isNullableFlag());
		mappingBO.setDefaultValue(attributeVO.getDefaultValue());
		return mappingBO.toString() + (StringUtil.equals(attributeVO.getId().toLowerCase(Locale.ROOT), "OID".toLowerCase(Locale.ROOT)) ? StringPool.SPACE + "primary key" + StringPool.SPACE : "");

	}

	/**
	 * 按数据库字段类型列举所有的VCI字段类型
	 *
	 * @param columnStr 数据库字段类型
	 * @return VCI字段类型
	 */
	@Override
	public List<VciFieldTypeEnum> listFieldByColumnStr(String columnStr) {
		return listFieldInMapByColumnStr(columnStr, FIELD_MAP);
	}

	@Override
	public VciFieldTypeEnum getFieldTypeByColumnStr(String columnStr, Integer length) {
		return getFieldTypeBeColumnStrInMap(columnStr, length, FIELD_MAP);
	}
}