from functions import *
load_dotenv()

upload = Blueprint('upload', __name__)


@upload.route('/upload/users', methods=['GET', 'POST'])
def upload_users():
    if ((not check_login_status()) and check_permission()):
        if request.method == 'GET':
            return render_template('uploadcsv.html', title="All Indiviual Users", url="/upload/users")
        elif request.method == 'POST':
            try:
                csv_file = request.files['csv']
                filepath = os.path.join('./temp', csv_file.filename)
                csv_file.save(filepath)
                with open(filepath, encoding="utf-8") as file:
                    csv_dict = csv.DictReader(file)
                    for row in csv_dict:
                        pwd = row['password']
                        db = refresh_db()
                        cursor = db.cursor(buffered=True)
                        cursor.execute("""
                            INSERT IGNORE INTO users (email, name, oldUsername, role, password)
                            VALUES (%s, %s, %s, %s, %s)
                        """, (row['username']+'@abs.fhjh.tp.edu.tw', row['name'], row['username'], 'R', genHash(pwd)))
                        db.commit()
                        cursor.close()
                        # user = auth.create_user_with_email_and_password(
                        #     row['username'] + "@abs.fhjh.tp.edu.tw", pwd)
                        # db.child("Users").child(user['localId']).set({
                        #     'permission': 'realPerson',
                        #     'name': row['name'],
                        #     'origUsername': row['username'],
                        # }, session['token'])
                os.remove(filepath)
            except Exception as e:
                os.remove(filepath)
                return "Error. Please try again\n("+str(e)+")"
            return "Successfully uploaded users"
    else:
        return redirect('/logout')


@upload.route('/upload/1', methods=['GET', 'POST'])
def upload_homeroom():
    if ((not check_login_status()) and check_permission()):
        if request.method == 'GET':
            return render_template('uploadcsv.html', title="Homeroom List", url="/upload/1")
        elif request.method == 'POST':
            try:
                # get csv
                gradec = request.form['gradeCode']
                classc = request.form['classcode']
                csv_file = request.files['csv']
                filepath = os.path.join('./temp', csv_file.filename)
                csv_file.save(filepath)
                # allUsers = db.child("Users").get(session['token']).val()
                with open(filepath, encoding="utf-8") as file:
                    csv_dict = csv.DictReader(file)
                    db = refresh_db()
                    cursor = db.cursor(buffered=True)
                    for row in csv_dict:
                        if row['number'] == 'teacher' or row['number'] == 'Teacher':
                            accs = json.dumps(row['name'].split(','))
                            cursor.execute("""
                                INSERT IGNORE INTO homerooms (grade, class_, accs)
                                VALUES (%s, %s, %s)
                            """, (str(gradec), str(classc), accs))
                            # for key in allUsers:
                            #     if accs == []:
                            #         break
                            #     if (allUsers[key]['origUsername'] in accs):
                            #         db.child("Users").child(key).child("accounts").child("homeroom^"+gradec+classc+'^'+str(randint(10000, 99999))).update({
                            #             "homeroom": gradec + '^' + classc,
                            #             "type": 'homeroom'
                            #         }, session['token'])
                            #         accs.remove(allUsers[key]['origUsername'])
                        else:
                            email = gradec + classc + row['number'] + '@st.fhjh.tp.edu.tw'
                            cursor.execute("""
                                INSERT IGNORE INTO students (grade, class_, num, name, ename, email, password)
                                VALUES (%s, %s, %s, %s, %s, %s, %s)
                            """, (gradec, classc, row['number'], row['name'], row['eng_name'], email, genHash(row['eng_name'])))
                            # db.child("Homerooms").child(gradec).child(
                            #     classc).child(row['number']).set(row, session['token'])
                    db.commit()
                    cursor.close()
                # row['class'] row['number'] row['name'] row['eng_name']
                os.remove(filepath)
            except Exception as e:
                os.remove(filepath)
                return "Error. Please try again\n("+str(e)+")"
            return "Successfully uploaded " + gradec + "-" + classc
    else:
        return redirect('/logout')


@upload.route('/upload/2', methods=['GET', 'POST'])
def upload_gp_classes():
    if ((not check_login_status()) and check_permission()):
        if request.method == 'GET':
            return render_template('uploadcsv.html', title="Group Classes", url="/upload/2")
        elif request.method == 'POST':
            try:
                csv_file = request.files['csv']
                filepath = os.path.join('./temp', csv_file.filename)
                csv_file.save(filepath)
                csv_dict = pd.read_csv(filepath)
                category_cnt = csv_dict.shape[1] - 1
                # allUsers = db.child("Users").get(session['token']).val()
                for i in range(category_cnt):
                    tmp_csv = csv_dict[csv_dict.columns[i+1]].tolist()
                    for j in range(len(tmp_csv)):
                        if type(tmp_csv[j]) == float:
                            break
                        if j % 5 == 0:
                            db = refresh_db()
                            cursor = db.cursor(buffered=True)
                            cursor.execute("""
                                INSERT IGNORE INTO gpclasses (category, subclass, about, accs)
                                VALUES (%s, %s, %s, %s)
                            """, (csv_dict.columns[i+1], tmp_csv[j], tmp_csv[j+1] + " : " + tmp_csv[j+2] + " (" + tmp_csv[j+3] + ")", json.dumps(tmp_csv[j+4].split(','))))
                            db.commit()
                            cursor.close()
                            # db.child("Classes").child("GP_Class").child(csv_dict.columns[i+1]).child("Class").child(
                            #     tmp_csv[j]).child("name").set(tmp_csv[j+1] + " : " + tmp_csv[j+2] + " (" + tmp_csv[j+3] + ")", session['token'])
                            # accs = tmp_csv[j+4].split(',')
                            # for key in allUsers:
                            #     if accs == []:
                            #         break
                            #     if (allUsers[key]['origUsername'] in accs):
                            #         db.child("Users").child(key).child("accounts").child("GP_Class^"+csv_dict.columns[i+1]+'^'+str(randint(10000, 99999))).update({
                            #             csv_dict.columns[i+1]: tmp_csv[j],
                            #             "type": 'group'
                            #         }, session['token'])
                os.remove(filepath)
            except Exception as e:
                os.remove(filepath)
                return "Error. Please try again\n("+str(e)+")"
            return "Successfully uploaded"
    else:
        return redirect('/logout')


@upload.route('/upload/3', methods=['GET', 'POST'])
def upload_stud_in_group():
    if ((not check_login_status()) and check_permission()):
        if request.method == 'GET':
            return render_template('uploadcsv.html', title="Student in Group List", url="/upload/3")
        elif request.method == 'POST':
            try:
                gradec = request.form['gradeCode']
                classc = request.form['classcode']
                csv_file = request.files['csv']
                filepath = os.path.join('./temp', csv_file.filename)
                csv_file.save(filepath)
                with open(filepath, encoding="utf-8") as file:
                    csv_dict = csv.DictReader(file)
                    headers = csv_dict.fieldnames
                    headers = headers[1:]
                    # for h in headers:
                    #     db.child("Classes").child("GP_Class").child(
                    #         h).child("Homerooms").update({gradec+'^'+classc: 0}, session['token'])
                    for row in csv_dict:
                        num = row.pop(str(gradec+classc))
                        db = refresh_db()
                        cursor = db.cursor(buffered=True)
                        cursor.execute("""
                            UPDATE students
                            SET classes = %s
                            WHERE grade = %s AND class_ = %s AND num = %s
                        """, (json.dumps(row), gradec, classc, num))
                        db.commit()
                        cursor.close()
                        # for h in headers:
                        #     db.child("Homerooms").child(gradec).child(classc).child(
                        #         row[str(gradec+classc)]).child("GP_Class").update({h: row[h]}, session['token'])
                os.remove(filepath)
            except Exception as e:
                os.remove(filepath)
                return "Error. Please try again\n("+str(e)+")"
            return "Successfully uploaded " + gradec + "-" + classc
    else:
        return redirect('/logout')


@upload.route('/upload/4', methods=['GET', 'POST'])
def upload_period_list():
    if ((not check_login_status()) and check_permission()):
        if request.method == 'GET':
            return render_template('uploadcsv.html', title="Period List", url="/upload/4")
        elif request.method == 'POST':
            try:
                # get csv
                gradec = request.form['gradeCode']
                classc = request.form['classcode']
                csv_file = request.files['csv']
                filepath = os.path.join('./temp', csv_file.filename)
                csv_file.save(filepath)
                csv_dict = pd.read_csv(filepath)
                periodCodes = csv_dict['Period Day'].tolist()
                for i in range(5):
                    tmp_csv = csv_dict[str(i+1)].tolist()
                    for j in range(len(tmp_csv)):
                        if not (periodCodes[j].endswith('-t')):
                            if type(tmp_csv[j]) == float:
                                db = refresh_db()
                                cursor = db.cursor(buffered=True)
                                cursor.execute("""
                                    INSERT IGNORE INTO schedule
                                    (grade, class_, dow, period, subject, teacher)
                                    VALUES (%s, %s, %s, %s, %s, %s)
                                """, (gradec, classc, str(i+1), periodCodes[j], '--', '--'))
                                db.commit()
                                cursor.close()
                                # db.child("Classes").child("Homeroom").child(gradec).child(classc).child(
                                #     str(i+1)).child(periodCodes[j]).update({'name': '--'}, session['token'])
                            else:
                                db = refresh_db()
                                cursor = db.cursor(buffered=True)
                                cursor.execute("""
                                    INSERT IGNORE INTO schedule
                                    (grade, class_, dow, period, subject)
                                    VALUES (%s, %s, %s, %s, %s)
                                """, (gradec, classc, str(i+1), periodCodes[j], tmp_csv[j]))
                                db.commit()
                                cursor.close()
                                # db.child("Classes").child("Homeroom").child(gradec).child(classc).child(
                                #     str(i+1)).child(periodCodes[j]).update({'name': tmp_csv[j]}, session['token'])
                                if not(periodCodes[j] == 'm' or periodCodes[j] == 'n'):
                                    j += 1
                                    db = refresh_db()
                                    cursor = db.cursor(buffered=True)
                                    cursor.execute("""
                                        UPDATE schedule
                                        SET teacher = %s
                                        WHERE grade = %s AND class_ = %s AND dow = %s AND period = %s
                                    """, (tmp_csv[j], gradec, classc, str(i+1), periodCodes[j-1]))
                                    db.commit()
                                    cursor.close()
                                    # db.child("Classes").child("Homeroom").child(gradec).child(classc).child(
                                    #     str(i+1)).child(periodCodes[j-1]).update({'teacher': tmp_csv[j]}, session['token'])
                                else:
                                    db = refresh_db()
                                    cursor = db.cursor(buffered=True)
                                    cursor.execute("""
                                        UPDATE schedule
                                        SET teacher = %s
                                        WHERE grade = %s AND class_ = %s AND dow = %s AND period = %s
                                    """, ("--", gradec, classc, str(i+1), periodCodes[j]))
                                    db.commit()
                                    cursor.close()
                os.remove(filepath)
            except Exception as e:
                os.remove(filepath)
                return "Error. Please try again\n("+str(e)+")"
            return "Successfully uploaded " + gradec + "-" + classc
    else:
        return redirect('/logout')


@upload.route('/upload/dates', methods=['GET', 'POST'])
def upload_dates():
    if ((not check_login_status()) and check_permission()):
        if request.method == 'GET':
            return render_template('uploadcsv.html', title="School Days", url="/upload/dates")
        elif request.method == 'POST':
            try:
                csv_file = request.files['csv']
                filepath = os.path.join('./temp', csv_file.filename)
                csv_file.save(filepath)
                with open(filepath, encoding="utf-8") as file:
                    csv_dict = csv.DictReader(file)
                    headers = csv_dict.fieldnames
                    db = refresh_db()
                    cursor = db.cursor(buffered=True)
                    for row in csv_dict:
                        for h in headers:
                            cursor.execute("""
                                INSERT IGNORE INTO dates (date, dow) VALUES (%s, %s)
                            """, (h, row[h]))
                    db.commit()
                    cursor.close()
                    # temp = db.child("Homerooms").get(session['token']).val()
                    # for row in csv_dict:
                    #     for h in headers:
                    #         for t in temp:
                    #             for i in temp[t]:
                    #                 periodData = db.child("Classes").child(
                    #                     "Homeroom").child(t).child(i).get(session['token']).val()
                    #                 db.child("Homerooms").child(t).child(i).child(
                    #                     "Absent").child(h).update({"dow": row[h]}, session['token'])
                    #                 db.child("Homerooms").child(t).child(i).child(
                    #                     "Absent").child(h).update(periodData[int(row[h])], session['token'])
                os.remove(filepath)
            except Exception as e:
                os.remove(filepath)
                return "Error. Please try again\n("+str(e)+")"
            return "Successfully uploaded dates"
    else:
        return redirect('/logout')


@upload.route('/upload/admin_acc', methods=['GET', 'POST'])
def upload_admin_acc():
    if ((not check_login_status()) and check_permission()):
        if request.method == 'GET':
            return render_template('uploadcsv.html', title="Admin Accounts", url="/upload/admin_acc")
        elif request.method == 'POST':
            try:
                csv_file = request.files['csv']
                filepath = os.path.join('./temp', csv_file.filename)
                csv_file.save(filepath)
                with open(filepath, encoding="utf-8") as file:
                    csv_dict = csv.DictReader(file)
                    for row in csv_dict:
                        pwd = row['password']
                        role = 'S' if row['permission'] == '1' else 'A'
                        db = refresh_db()
                        cursor = db.cursor(buffered=True)
                        cursor.execute("""
                            INSERT IGNORE INTO users (email, name, oldUsername, role, password)
                            VALUES (%s, %s, %s, %s, %s)
                        """, (row['username']+'@abs.fhjh.tp.edu.tw', row['name'], row['username'], role, genHash(pwd)))
                        db.commit()
                        cursor.close()
                        # auth.create_user_with_email_and_password(
                        #     row['username'] + '@group-attendance.fhjh.tp.edu.tw', row['password'])
                        # user = auth.sign_in_with_email_and_password(
                        #     row['username'] + '@group-attendance.fhjh.tp.edu.tw', row['password'])
                        # db.child("Users").child(user['localId']).update({
                        #     'permission': 'admin',
                        #     'username': row['username'],
                        #     'showUpload': row['permission']
                        # }, session['token'])
                os.remove(filepath)
            except Exception as e:
                os.remove(filepath)
                return "Error. Please try again\n("+str(e)+")"
            return "Successfully uploaded admin accounts"
    else:
        return redirect('/logout')