@startuml
left to right direction
actor "Пользователь" as user
note top of user : Основной пользователь приложения - обучаемый
actor "Администратор" as admin
note top of admin : Администратор учебного центра (загрузка контента)
actor "Монитор" as monitor
note top of monitor : Заказчик, проверяющий результаты обучений и тестирований

' rectangle exam-service {
    usecase "Создание курса" as courseCreate
    usecase "Создание теста" as testCreate
    usecase "Создание вопроса" as questionCreate
    usecase "Создание ответа" as answerCreate
    usecase "Создание темы" as themeCreate
    usecase "Создание структуры курса" as schemeCreate
    usecase "Оформление содержимого курса" as courseEdit

    courseCreate <-- admin 
    testCreate <-- admin
    questionCreate <-- admin 
    answerCreate <-- admin
    schemeCreate <-- admin
    themeCreate <-- admin
    courseEdit <-- admin

    usecase "Назначение задания" as target
    target <-- admin
    
    usecase "Подробный просмотр результатов" as resultsView
    monitor --> resultsView

    usecase "Авторизация" as auth
    ' rectangle "Авторизация" as examServiceAuth {
        usecase "Внесение сведений об организации" as organization
        usecase "Внесение сведений о должности" as position
        usecase "внесение кода действующей учетной записи" as code35
        auth ..> organization
        auth ..> position
        auth ..> code35
    ' }
    
    usecase "Просмотр перечня доступных курсов" as task
    usecase "Просмотр статусов о прохождении курса" as status
    usecase "Изучение контента курса" as learn
    ' rectangle "Обучение" as examServiceLearn {
        usecase "Просмотр текста" as text
        usecase "Скачивание документов" as doc
        usecase "Просмотр изображений" as image
        usecase "Просмотр видео" as video
        learn ..> text
        learn ..> doc
        learn ..> image
        learn ..> video

        ' text <.. courseCreate
        ' doc <.. courseCreate
        ' image <.. courseCreate
        ' video <.. courseCreate
    ' }

    text <.. courseEdit
    doc <.. courseEdit
    image <.. courseEdit
    video <.. courseEdit

    usecase "Прохождение проверки знаний" as test
    ' rectangle "Проверка знаний" as examServiceTest {
        usecase "Просмотр вопросов и доступных ответов" as quiz
        usecase "Выбор ответов" as answer
        usecase "Отправка ответов в базу" as postAttampt
        test ..> quiz
        test ..> answer
        test ..> postAttampt

        ' quiz <.. testCreate
        ' answer <.. testCreate
        ' postAttampt <.. testCreate
    ' }

    user --> auth
    user --> task
    user --> learn
    user --> test
    user --> status
    monitor --> status

    usecase "Актуализация перечня организаций" as organizationsActuator
    usecase "Актуализация перечня должностей" as positionsActuator

    target <-- organizationsActuator
    target <-- positionsActuator

    organizationsActuator <-- admin
    positionsActuator <-- admin


    
    ' rectangle "API" as api #Pink {
        usecase "/organizations" as organizations #Green
        usecase "/positions" as positions #Green
        usecase "/accounts" as accounts #Green
        usecase "/targets" as targets #Green
        usecase "/courses" as courses #Green
        usecase "/schemes" as schemes #Green
        usecase "/themes" as themes #Green
        usecase "/questions" as questions #Green
        usecase "/answers" as answers #Green
        usecase "/quizes" as quizes #Green
        usecase "/results" as results #Green
    ' }

    organization <.. organizations
    position <.. positions
    code35 <.. accounts
    targets <.. target
    task <.. targets
    status <.. results
    resultsView <.. results

    quizes <.. testCreate
    target <.. testCreate

    quizes <.. questions
    quizes <.. answers

    courses <.. themes
    courses <.. schemes

    targets <.. positions
    positions <.. organizations
    targets <.. courses



    target <.. courseCreate
    courses <.. courseCreate
    themes <.. themeCreate
    schemes <.. schemeCreate

    quiz <.. quizes
    questions <.. questionCreate
    answers <.. answerCreate

    status ..> accounts
    ' results <.. accounts

    ' targets <-- courses




    organizations <.. organizationsActuator
    positions <.. positionsActuator

    






' }

@enduml