import com.sun.org.apache.xalan.internal.xsltc.dom.SimpleResultTreeImpl;
import org.apache.chemistry.opencmis.client.api.CmisObject;
import org.apache.chemistry.opencmis.client.api.Folder;
import org.apache.chemistry.opencmis.client.api.Session;

import java.util.*;
import java.util.function.Consumer;

public class SchoolStructure {

    private static String school;
    private static String repositoryUrl;
    private static Session CmisSession;
    private static Folder schoolFolder;
    private static String userName;
    private static String passWord;

    private static CmisClient cmisClient;

    public SchoolStructure(String schoolName, String repoUrl, String[] credentials) {
        this.school = schoolName;
        this.repositoryUrl = repoUrl;
        this.userName = credentials[0];
        this.passWord = credentials[1];

    }

    public SchoolStructure() {
    }


    /**
     * @param school
     * @param facultyName
     * @param departments
     * @return
     */
    public static Folder createFacultyWithDepartments(String school, String facultyName, List<String> departments){

        String connectionName = repositoryUrl; //"http://192.168.1.104:8080/alfresco/cmisatom";
        //String user = userName;
        //String passwd = passWord; //"rockstar";
        Folder schoolFolder;
        Folder facultyFolder = null;

        Map<String, Folder> departmentsFolderMap = new HashMap<String, Folder>();

        if(cmisClient==null) {
            cmisClient = new CmisClient();
        }
        Session session = cmisClient.getSession(connectionName,
                userName, passWord);
        Folder parentFolder = cmisClient.getParentFolder();

        if(parentFolder!=null){
            schoolFolder = (Folder) cmisClient.getObject(
                    session, parentFolder, school);
            if (schoolFolder==null){
                System.out.println("School Folder does not exits, going to create it");
                if (session != null) {
                    System.out.println("hurray");
                    Folder folder = cmisClient.createFolder(session, school);
                    if (folder != null) {
                        System.out.println("School Folder Created with Name: \t" + folder.getName());
                        schoolFolder = folder;
                    } else {
                        System.out.println("Awwwww");
                    }

                }
            }

            if(schoolFolder!=null){
                facultyFolder = cmisClient.createFolderWithParentFolder(session,
                        facultyName, parentFolder);
                if(facultyFolder!=null){
                    System.out.println("Faculty Folder Created");
                    for (String department: departments ) {
                        Folder departmentFolder = cmisClient.createFolderWithParentFolder(session,
                                department, facultyFolder);
                        departmentsFolderMap.put(department, departmentFolder);
                    }
                    if(facultyFolder!=null){
                        return facultyFolder;
                    }
                }
            }
        }
//        facultyFolder.
        return facultyFolder;
    }


    /**
     * @param school
     * @param facultyName
     * @param departmentsWithCourses
     * @return
     */
    public static Folder createFacultyWithDepartmentsAndCourses (String school, String facultyName, Map<String, List<String>> departmentsWithCourses) {

        Set<String> setOfDepartments = departmentsWithCourses.keySet();
        String[] arrayOfDepartments = new String[setOfDepartments.size()+1];
        Session[] session = new Session[2];
        String connectionName = repositoryUrl; //"http://192.168.1.104:8080/alfresco/cmisatom";

        setOfDepartments.toArray(arrayOfDepartments);
        List<String> listOfDepartments = Arrays.asList(arrayOfDepartments);
        Folder facultyWithDepartments = createFacultyWithDepartments(school,
                facultyName, listOfDepartments);
        Set<Map.Entry<String, List<String>>> entriesOfDepartmentsAndCourses =
                departmentsWithCourses.entrySet();
        if(facultyWithDepartments!=null){
            System.out.println("Faculty Created");
            System.out.println(" Going to create the Courses " +
                    "for Each department");
            if(cmisClient==null) {
                cmisClient = new CmisClient();
                if(session[0]==null) {
                    session[0] = cmisClient.getSession(connectionName,
                            userName, passWord);
                }
            }
            facultyWithDepartments.getChildren().forEach(new Consumer<CmisObject>() {
                public void accept(CmisObject cmisObject) {
                    Folder[] deptFolder = new Folder[2];
                    String departmentName = cmisObject.getName();
                    if(cmisObject instanceof Folder){
                        deptFolder[0] = (Folder)cmisObject;
                        List<String> coursesForDepartment = departmentsWithCourses.get(departmentName);
                        coursesForDepartment.forEach(new Consumer<String>() {
                            @Override
                            public void accept(String course) {
                                if(deptFolder[0]!=null && cmisClient!=null){
                                    Folder courseFolder = cmisClient.createFolderWithParentFolder(session[0],
                                            course, deptFolder[0]);
                                    if(courseFolder!=null){
                                        System.out.println("Course Folder with name: \t" +
                                                courseFolder.getName()+"\t Created");
                                    }
                                }
                            }
                        });
                    }

                }
            });
        }

        return facultyWithDepartments;
    }

    public static Folder createFacultyWithCoursesAndLecturers (String school, String facultyName, Map<String, Map<String, List<String>>> departmentsWithCourses) {

        return null;
    }

    public static Folder createDepartmentWithCourses (String school, String departmentName,
                                                      Map<String, Map<String, Map<String, List<String>>>> coursesWithCoursesAndLecturers) {

        return null;

    }

    public static Folder createDepartmentWithLecturers (String school, String departmentName, Map<> courseswithlecturers) {

        return null;

    }

    public static Folder createCourseswithLecturers (String school, String courseName, Map<> lecturers) {

        return null;

    }
}