package com.pms.service;

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

import org.apache.ibatis.session.SqlSession;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * 테이블 관리 서비스
 */
@Service
public class TableManagementService {
    
    @Autowired
    private SqlSessionTemplate sqlSessionTemplate;
    
    /**
     * 테이블 목록 조회
     */
    public List<Map<String, Object>> getTableList() {
        return sqlSessionTemplate.selectList("tableManagement.selectTableList");
    }
    
    /**
     * 테이블 컬럼 정보 조회
     */
    public List<Map<String, Object>> getColumnList(String tableName) {
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("tableName", tableName);
        return sqlSessionTemplate.selectList("tableManagement.selectColumnList", paramMap); // Uses injected template
    }

    public void updateColumnSettings(String tableName, String columnName, Map<String, Object> settings) {
        // 테이블이 table_labels에 없으면 자동 추가
        sqlSessionTemplate.insert("tableManagement.insertTableIfNotExists", tableName);
        
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("tableName", tableName);
        paramMap.put("columnName", columnName);           // 실제 DB 컬럼명 (변경 불가)
        paramMap.put("columnLabel", settings.get("columnLabel")); // 사용자가 입력한 표시명
        paramMap.put("webType", settings.get("webType"));
        paramMap.put("detailSettings", settings.get("detailSettings"));
        paramMap.put("codeCategory", settings.get("codeCategory"));
        paramMap.put("codeValue", settings.get("codeValue"));
        paramMap.put("referenceTable", settings.get("referenceTable"));
        paramMap.put("referenceColumn", settings.get("referenceColumn"));
        
        // 디버깅을 위한 로그 추가
        System.out.println("저장할 컬럼 설정:");
        System.out.println("  tableName: " + tableName);
        System.out.println("  columnName: " + columnName);
        System.out.println("  columnLabel: " + settings.get("columnLabel"));
        System.out.println("  webType: " + settings.get("webType"));
        
        sqlSessionTemplate.update("tableManagement.updateColumnSettings", paramMap);
    }

    public void updateAllColumnSettings(String tableName, List<Map<String, Object>> columnSettings) {
        for (Map<String, Object> columnSetting : columnSettings) {
            String columnName = (String) columnSetting.get("columnName");
            updateColumnSettings(tableName, columnName, columnSetting);
        }
    }
}