package core.operation;

import core.user.User;
import dao.DBManagement;
import error.GExcptSQL;

import java.io.File;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class UploadFileOperation extends Operation {
    @Override
    public Map<String, Object> execute(User subject) throws Exception {
        File file = (File) this.getOptions().get("file");
        String table = (String) this.getOptions().get("file_type");
        Map<String,String> limits = (Map<String, String>) this.getOptions().get("limits");

        String field = core.operation.utils.Utils.getFileField(table);
        String filePath = core.operation.utils.Utils.getFilePathName(table,file.getName());
        Map<String,String> vMap = new HashMap<>();
        vMap.put(field,filePath);

        file.renameTo(new File(filePath));
        //todo

        List<String> ls = new ArrayList<>();
        ls.add(field);
        ResultSet rs = DBManagement.select(ls,table,limits,0,1);
        rs.next();
        String lastFilePath = rs.getString(0);
        new File(lastFilePath).delete();
        DBManagement.update(table,vMap,limits);
        return this.getOptions();
    }
}