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package im.shs.tick.mybatis.injector.methods;

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.core.injector.AbstractMethod;
import com.baomidou.mybatisplus.core.metadata.TableInfo;
import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
import com.baomidou.mybatisplus.core.toolkit.sql.SqlScriptUtils;
import im.shs.tick.core.utils.StringUtil;
import im.shs.tick.mybatis.injector.CustomSqlMethod;
import lombok.RequiredArgsConstructor;
import org.apache.ibatis.executor.keygen.Jdbc3KeyGenerator;
import org.apache.ibatis.executor.keygen.KeyGenerator;
import org.apache.ibatis.executor.keygen.NoKeyGenerator;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlSource;

/**
 * 抽象的 插入一条数据（选择字段插入）
 *
 * @author SimpleJuly
 */
@RequiredArgsConstructor
public class AbstractInsertMethod extends AbstractMethod {
	private final CustomSqlMethod sqlMethod;

	@Override
	public MappedStatement injectMappedStatement(Class mapperClass, Class modelClass, TableInfo tableInfo) {
		KeyGenerator keyGenerator = new NoKeyGenerator();
		String columnScript = SqlScriptUtils.convertTrim(tableInfo.getAllInsertSqlColumnMaybeIf(),
			LEFT_BRACKET, RIGHT_BRACKET, null, COMMA);
		String valuesScript = SqlScriptUtils.convertTrim(tableInfo.getAllInsertSqlPropertyMaybeIf(null),
			LEFT_BRACKET, RIGHT_BRACKET, null, COMMA);
		String keyProperty = null;
		String keyColumn = null;
		// 表包含主键处理逻辑,如果不包含主键当普通字段处理
		if (StringUtil.isNotBlank(tableInfo.getKeyProperty())) {
			if (tableInfo.getIdType() == IdType.AUTO) {
				// 自增主键
				keyGenerator = new Jdbc3KeyGenerator();
				keyProperty = tableInfo.getKeyProperty();
				keyColumn = tableInfo.getKeyColumn();
			} else {
				if (null != tableInfo.getKeySequence()) {
					keyGenerator = TableInfoHelper.genKeyGenerator(sqlMethod.getMethod(), tableInfo, builderAssistant);
					keyProperty = tableInfo.getKeyProperty();
					keyColumn = tableInfo.getKeyColumn();
				}
			}
		}
		String sql = String.format(sqlMethod.getSql(), tableInfo.getTableName(), columnScript, valuesScript);
		SqlSource sqlSource = languageDriver.createSqlSource(configuration, sql, modelClass);
		return this.addInsertMappedStatement(mapperClass, modelClass, sqlMethod.getMethod(), sqlSource, keyGenerator, keyProperty, keyColumn);
	}
}