package com.rongyichuang;

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.jdbc.core.JdbcTemplate;

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

@SpringBootTest
public class DatabaseSchemaTest {

    @Autowired
    private JdbcTemplate jdbcTemplate;

    @Test
    public void testRatingSchemeTable() {
        try {
            // 查看评分模板表结构
            String sql = "DESCRIBE t_rating_scheme";
            List<Map<String, Object>> result = jdbcTemplate.queryForList(sql);
            System.out.println("=== t_rating_scheme 表结构 ===");
            for (Map<String, Object> row : result) {
                System.out.println(row);
            }
        } catch (Exception e) {
            System.out.println("t_rating_scheme 表不存在，查看所有表：");
            String sql = "SHOW TABLES LIKE '%rating%'";
            List<Map<String, Object>> tables = jdbcTemplate.queryForList(sql);
            for (Map<String, Object> table : tables) {
                System.out.println(table);
            }
        }
    }

    @Test
    public void testRatingItemTable() {
        try {
            // 查看评分条目表结构
            String sql = "DESCRIBE t_rating_item";
            List<Map<String, Object>> result = jdbcTemplate.queryForList(sql);
            System.out.println("=== t_rating_item 表结构 ===");
            for (Map<String, Object> row : result) {
                System.out.println(row);
            }
        } catch (Exception e) {
            System.out.println("t_rating_item 表不存在");
        }
    }

    @Test
    public void testAllTables() {
        String sql = "SHOW TABLES";
        List<Map<String, Object>> tables = jdbcTemplate.queryForList(sql);
        System.out.println("=== 所有数据库表 ===");
        for (Map<String, Object> table : tables) {
            System.out.println(table);
        }
    }

    @Test
    public void testForeignKeyConstraints() {
        try {
            String sql = "SELECT CONSTRAINT_NAME, TABLE_NAME, COLUMN_NAME, REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME " +
                        "FROM information_schema.KEY_COLUMN_USAGE " +
                        "WHERE TABLE_SCHEMA = 'ryc' AND REFERENCED_TABLE_NAME IS NOT NULL";
            List<Map<String, Object>> result = jdbcTemplate.queryForList(sql);
            System.out.println("=== 外键约束 ===");
            for (Map<String, Object> row : result) {
                System.out.println(row);
            }
        } catch (Exception e) {
            System.out.println("查询外键约束失败: " + e.getMessage());
        }
    }
}