/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2022 abel533@gmail.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.github.pagehelper.test.features.dialectclass;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.github.pagehelper.PageSerializable;
import com.github.pagehelper.dialect.AbstractHelperDialect;
import com.github.pagehelper.mapper.UserMapper;
import com.github.pagehelper.model.User;
import com.github.pagehelper.page.PageAutoDialect;
import com.github.pagehelper.util.MybatisHelper;
import org.apache.ibatis.cache.CacheKey;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.session.SqlSession;
import org.junit.Test;

import java.util.List;
import java.util.Map;

import static org.junit.Assert.assertEquals;

public class UsingDialectClassTest {

    public static final String TEST2_DIALECT_CLASS = Test2Dialect.class.getName();

    static {
        //一个通过注册方法，另一个直接通过类名
        PageAutoDialect.registerDialectAlias("test1", Test1Dialect.class);
    }

    @Test
    public void test() {
        SqlSession sqlSession = MybatisHelper.getSqlSession();
        UserMapper userMapper = sqlSession.getMapper(UserMapper.class);
        try {
            //获取第1页，10条内容，默认查询总数count
            PageHelper.startPage(1, 10);
            List<User> list = userMapper.selectAll();
            System.out.println(list);
            PageInfo<User> page = new PageInfo<User>(list);
            assertEquals(1, page.getPageNum());
            assertEquals(10, page.getPageSize());
            assertEquals(1, page.getStartRow());
            assertEquals(10, page.getEndRow());
            assertEquals(183, page.getTotal());
            assertEquals(19, page.getPages());
            assertEquals(true, page.isIsFirstPage());
            assertEquals(false, page.isIsLastPage());
            assertEquals(false, page.isHasPreviousPage());
            assertEquals(true, page.isHasNextPage());

            PageSerializable<User> serializable = PageSerializable.of(list);
            assertEquals(183, serializable.getTotal());

            //获取第1页，10条内容，默认查询总数count
            PageHelper.startPage(1, 10).using("test1");
            list = userMapper.selectAll();
            page = new PageInfo<User>(list);
            assertEquals(183, list.size());
            assertEquals(183, page.getTotal());

            serializable = PageSerializable.of(list);
            assertEquals(183, serializable.getTotal());


            //获取第1页，10条内容，默认查询总数count
            PageHelper.startPage(1, 10);
            list = userMapper.selectAll();
            page = new PageInfo<User>(list);
            assertEquals(10, list.size());
            assertEquals(183, page.getTotal());

            serializable = PageSerializable.of(list);
            assertEquals(183, serializable.getTotal());

            //获取第1页，10条内容，默认查询总数count
            PageHelper.startPage(2, 10);
            list = userMapper.selectAll();
            page = new PageInfo<User>(list);
            assertEquals(10, list.size());
            assertEquals(183, page.getTotal());

            serializable = PageSerializable.of(list);
            assertEquals(183, serializable.getTotal());


            //获取第2页，10条内容，默认查询总数count
            PageHelper.startPage(2, 10).using(TEST2_DIALECT_CLASS);
            list = userMapper.selectAll();
            page = new PageInfo<User>(list);

            assertEquals(100, list.size());
            assertEquals(183, page.getTotal());


            PageHelper.startPage(2, 10);
            list = userMapper.selectAll();
            page = new PageInfo<User>(list);

            assertEquals(10, list.size());
            assertEquals(183, page.getTotal());

        } finally {
            sqlSession.close();
        }
    }

    public static class Test1Dialect extends AbstractHelperDialect {
        @Override
        public Object processPageParameter(MappedStatement ms, Map<String, Object> paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {
            return paramMap;
        }

        @Override
        public String getPageSql(String sql, Page page, CacheKey pageKey) {
            return "/*test1*/" + sql;
        }
    }

    public static class Test2Dialect extends AbstractHelperDialect {
        @Override
        public Object processPageParameter(MappedStatement ms, Map<String, Object> paramMap, Page page, BoundSql boundSql, CacheKey pageKey) {
            return paramMap;
        }

        @Override
        public String getPageSql(String sql, Page page, CacheKey pageKey) {
            pageKey.update(100);
            return "select * from (\n" + sql + "\n) temp_table where id <= 100";
        }
    }
}
