/*
 * This file is part of onkostar-plugin-dnpm
 *
 * Copyright (c) 2025 the original author or authors.
 *
 * 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 dev.dnpm.oshelper.security;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.stereotype.Service;

import javax.sql.DataSource;
import java.util.List;

/**
 * Service mit Methoden zum Feststellen von sicherheitsrelevanten Informationen eines Benutzers
 */
@Service
public class SecurityService {

    private final JdbcTemplate jdbcTemplate;

    public SecurityService(final DataSource dataSource) {
        this.jdbcTemplate = new JdbcTemplate(dataSource);
    }

    List<String> getPersonPoolIdsForPermission(Authentication authentication, PermissionType permissionType) {
        var sql = "SELECT p.kennung FROM personenstamm_zugriff " +
                " JOIN usergroup u ON personenstamm_zugriff.benutzergruppe_id = u.id " +
                " JOIN akteur_usergroup au ON u.id = au.usergroup_id " +
                " JOIN akteur a ON au.akteur_id = a.id " +
                " JOIN personenstamm p on personenstamm_zugriff.personenstamm_id = p.id " +
                " WHERE a.login = ? AND a.aktiv AND a.anmelden_moeglich ";

        if (PermissionType.READ_WRITE == permissionType) {
            sql += " AND personenstamm_zugriff.bearbeiten ";
        }

        var userDetails = (UserDetails)authentication.getPrincipal();

        return jdbcTemplate
                .query(sql, new Object[]{userDetails.getUsername()}, (rs, rowNum) -> rs.getString("kennung"));
    }

    List<String> getFormNamesForPermission(Authentication authentication, PermissionType permissionType) {

        var sql = "SELECT df.name FROM formular_usergroup_zugriff " +
                " JOIN data_form df ON formular_usergroup_zugriff.formular_id = df.id " +
                " JOIN usergroup u ON formular_usergroup_zugriff.usergroup_id = u.id " +
                " JOIN akteur_usergroup au ON u.id = au.usergroup_id " +
                " JOIN akteur a on au.akteur_id = a.id " +
                " WHERE a.login = ? AND a.aktiv AND a.anmelden_moeglich ";

        if (PermissionType.READ_WRITE == permissionType) {
            sql += " AND formular_usergroup_zugriff.bearbeiten ";
        }

        var userDetails = (UserDetails)authentication.getPrincipal();

        return jdbcTemplate
                .query(sql, new Object[]{userDetails.getUsername()}, (rs, rowNum) -> rs.getString("name"));
    }

}