solution 0.01 one test failed

README.md

@@ -47,4 +47,4 @@ Implement the ability to edit a todo title on double click:
 
 - Implement a solution following the [React task guideline](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
-- Replace `<your_account>` with your Github username in the [DEMO LINK](https://<your_account>.github.io/react_todo-app-with-api/) and add it to the PR description.
+- Replace `<your_account>` with your Github username in the [DEMO LINK](https://StanislavKapytsia.github.io/react_todo-app-with-api/) and add it to the PR description.

src/App.tsx

@@ -1,26 +1,326 @@
-/* eslint-disable max-len */
-/* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
-import { UserWarning } from './UserWarning';
-
-const USER_ID = 0;
+import React, {
+  useCallback,
+  useEffect,
+  useMemo,
+  useRef,
+  useState,
+} from 'react';
+import { addTodo, delTodo, get, updTodo } from './api/todos';
+import { TodoInterface } from './types/Todo';
+import { Filter } from './types/filter';
+import { TodoList } from './components/todoList/TodoList';
+import { FilteredTodoList } from './components/footer/FilteredTodoList';
+import classNames from 'classnames';
 
 export const App: React.FC = () => {
-  if (!USER_ID) {
-    return <UserWarning />;
-  }
+  const [todos, setTodos] = useState<TodoInterface[]>([]);
+  const [filter, setFilter] = useState<Filter>(Filter.All);
+  const [value, setValue] = useState('');
+  const [tempTodo, setTempTodo] = useState<TodoInterface | null>(null);
+  const [errorMessage, setErrorMessage] = useState('');
+  const [todosForModify, setTodosForModify] = useState<TodoInterface[]>([]);
+
+  const inputForFocusRef = useRef<HTMLInputElement>(null);
+  const notificationRef = useRef<HTMLDivElement>(null);
+
+  const hideNotification = useCallback(() => {
+    if (notificationRef.current) {
+      notificationRef.current.classList.add('hidden');
+    }
+  }, []);
+
+  const errorHandling = (error: Error) => {
+    if (notificationRef.current) {
+      notificationRef.current.classList.remove('hidden');
+      setErrorMessage(error.message);
+      setTimeout(() => {
+        if (notificationRef.current) {
+          notificationRef.current.classList.add('hidden');
+        }
+      }, 3000);
+    }
+  };
+
+  const newId = () => {
+    const maxId = Math.max(0, ...todos.map(todo => todo.id));
+
+    return maxId + 1;
+  };
+
+  const errorManagement = (er: unknown) => {
+    if (er instanceof Error) {
+      errorHandling(er);
+    }
+  };
+
+  const createTodo = (id: number, title: string): TodoInterface => ({
+    id,
+    userId: 2039,
+    title: title.trim(),
+    completed: false,
+  });
+
+  useEffect(() => {
+    if (inputForFocusRef.current) {
+      inputForFocusRef.current.focus();
+    }
+
+    const fetchTodos = async () => {
+      try {
+        hideNotification();
+
+        const data = await get();
+
+        setTodos(data);
+      } catch (error) {
+        if (error instanceof Error) {
+          errorHandling(error);
+        }
+      }
+    };
+
+    fetchTodos();
+  }, [hideNotification]);
+
+  const allTodosComplited = useMemo(() => {
+    return todos.every(item => item.completed);
+  }, [todos]);
+
+  const [active, setActive] = useState(allTodosComplited);
+
+  useEffect(() => {
+    setActive(allTodosComplited);
+  }, [allTodosComplited]);
+
+  useEffect(() => {
+    if (inputForFocusRef.current && !tempTodo) {
+      inputForFocusRef.current.focus();
+    }
+  }, [tempTodo]);
+
+  const deleteTodos = async (content: number[], inputEdit?: boolean) => {
+    for (const todoId of content) {
+      try {
+        hideNotification();
+        await delTodo(todoId);
+        // await new Promise(resolve => setTimeout(resolve, 2000)); for checking delete/save every single todo;
+
+        setTodos(current => current.filter(item => todoId !== item.id));
+      } catch (error) {
+        errorManagement(error);
+      }
+    }
+
+    if (inputForFocusRef.current && !inputEdit) {
+      inputForFocusRef.current.focus();
+    }
+
+    setTodosForModify([]);
+  };
+
+  const addTodos = async (data: string) => {
+    if (inputForFocusRef.current) {
+      inputForFocusRef.current.focus();
+    }
+
+    setTempTodo(() => createTodo(0, data));
+
+    try {
+      hideNotification();
+
+      await addTodo(data);
+
+      const newTodo = createTodo(newId(), data);
+
+      setTodos(current => [...current, newTodo]);
+
+      setValue('');
+    } catch (error) {
+      errorManagement(error);
+      setValue(value);
+    } finally {
+      setTempTodo(null);
+    }
+  };
+
+  const updateTodos = async (updateTodo: TodoInterface[]) => {
+    const updatedTodos: TodoInterface[] = [];
+
+    for (const upTodo of updateTodo) {
+      try {
+        const updatedTodo = (await updTodo(upTodo)) as TodoInterface;
+
+        setTodos(current => {
+          const newTodosList = [...current];
+          const index = newTodosList.findIndex(todo => todo.id === upTodo.id);
+
+          newTodosList.splice(index, 1, updatedTodo);
+
+          return newTodosList;
+        });
+
+        updatedTodos.push(updatedTodo);
+
+        if (inputForFocusRef.current) {
+          inputForFocusRef.current.focus();
+        }
+      } catch (error) {
+        errorManagement(error);
+      }
+    }
+
+    setTodosForModify([]);
+
+    return updatedTodos;
+  };
+
+  const handleClose = () => {
+    if (notificationRef.current) {
+      notificationRef.current.classList.add('hidden');
+    }
+  };
+
+  const filteredTodos = useMemo(() => {
+    return todos.filter(todo => {
+      switch (filter) {
+        case Filter.All:
+          return true;
+        case Filter.Active:
+          return !todo.completed;
+        case Filter.Completed:
+          return todo.completed;
+        default:
+          return true;
+      }
+    });
+  }, [todos, filter]);
+
+  const handleChangeValue = (e: React.ChangeEvent<HTMLInputElement>) => {
+    if (notificationRef.current) {
+      notificationRef.current.classList.add('hidden');
+    }
+
+    setValue(e.target.value);
+  };
+
+  const onSubmit = (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault();
+
+    if (value.trim()) {
+      addTodos(value);
+    } else {
+      const empty = new Error('Title should not be empty');
+
+      errorHandling(empty);
+      setValue('');
+    }
+  };
+
+  const handleUpdateStatus = async () => {
+    const copyTodos = [...todos];
+
+    let content;
+
+    if (active) {
+      content = copyTodos.map(item => ({ ...item, completed: false }));
+    } else {
+      content = copyTodos
+        .filter(todo => !todo.completed)
+        .map(item => ({ ...item, completed: true }));
+    }
+
+    setTodosForModify(content);
+
+    await Promise.allSettled(content.map(todo => updateTodos([todo]))).then(
+      results => {
+        const successfulResults = results
+          .filter(result => result.status === 'fulfilled')
+          .flatMap(result => result.value);
+
+        setTodos(currnet => {
+          const newList = [...currnet];
+
+          successfulResults.forEach(updatedTodo => {
+            const index = newList.findIndex(todo => todo.id === updatedTodo.id);
+
+            if (index !== -1) {
+              newList[index] = updatedTodo;
+            }
+          });
+
+          return newList;
+        });
+      },
+    );
+
+    setTodosForModify([]);
+  };
 
   return (
-    <section className="section container">
-      <p className="title is-4">
-        Copy all you need from the prev task:
-        <br />
-        <a href="https://github.com/mate-academy/react_todo-app-add-and-delete#react-todo-app-add-and-delete">
-          React Todo App - Add and Delete
-        </a>
-      </p>
-
-      <p className="subtitle">Styles are already copied</p>
-    </section>
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+
+      <div className="todoapp__content">
+        <header className="todoapp__header">
+          {todos.length > 0 && (
+            <button
+              type="button"
+              className={classNames('todoapp__toggle-all', { active: active })}
+              data-cy="ToggleAllButton"
+              onClick={handleUpdateStatus}
+            />
+          )}
+
+          <form onSubmit={onSubmit}>
+            <input
+              ref={inputForFocusRef}
+              data-cy="NewTodoField"
+              type="text"
+              className="todoapp__new-todo"
+              placeholder="What needs to be done?"
+              value={value}
+              onChange={handleChangeValue}
+              disabled={tempTodo !== null}
+            />
+          </form>
+        </header>
+
+        {todos.length > 0 && (
+          <TodoList
+            filteredTodos={filteredTodos}
+            deleteTodos={deleteTodos}
+            tempTodo={tempTodo}
+            setTodosForModify={setTodosForModify}
+            todosForModify={todosForModify}
+            updateTodos={updateTodos}
+          />
+        )}
+
+        {todos.length > 0 && (
+          <FilteredTodoList
+            todos={todos}
+            setFilter={setFilter}
+            filter={filter}
+            deleteTodos={deleteTodos}
+            setTodosForModify={setTodosForModify}
+          />
+        )}
+      </div>
+
+      <div
+        ref={notificationRef}
+        data-cy="ErrorNotification"
+        className="notification 
+        is-danger is-light has-text-weight-normal hidden"
+      >
+        <button
+          data-cy="HideErrorButton"
+          type="button"
+          className="delete"
+          onClick={handleClose}
+        />
+        {errorMessage}
+      </div>
+    </div>
   );
 };