solution

src/App.tsx

@@ -1,5 +1,5 @@
 /* eslint-disable max-len */
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 import 'bulma/css/bulma.css';
 import '@fortawesome/fontawesome-free/css/all.css';
 
@@ -8,7 +8,26 @@ import { TodoFilter } from './components/TodoFilter';
 import { TodoModal } from './components/TodoModal';
 import { Loader } from './components/Loader';
 
+import { getTodos } from './api';
+
+import { Todo } from './types/Todo';
+
 export const App: React.FC = () => {
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [activeTodo, setActiveTodo] = useState<Todo | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [showModal, setShowModal] = useState(false);
+
+  useEffect(() => {
+    setLoading(true);
+
+    getTodos()
+      .then(setTodos)
+      .finally(() => {
+        setLoading(false);
+      });
+  }, []);
+
   return (
     <>
       <div className="section">
@@ -17,18 +36,32 @@ export const App: React.FC = () => {
             <h1 className="title">Todos:</h1>
 
             <div className="block">
-              <TodoFilter />
+              <TodoFilter setTodos={setTodos} />
             </div>
 
             <div className="block">
-              <Loader />
-              <TodoList />
+              {loading && <Loader />}
+
+              {!loading && todos.length > 0 && (
+                <TodoList
+                  todos={todos}
+                  setActiveTodo={setActiveTodo}
+                  activeTodo={activeTodo}
+                  setShowModal={setShowModal}
+                />
+              )}
             </div>
           </div>
         </div>
       </div>
 
-      <TodoModal />
+      {showModal && activeTodo && (
+        <TodoModal
+          setActiveTodo={setActiveTodo}
+          activeTodo={activeTodo}
+          setShowModal={setShowModal}
+        />
+      )}
     </>
   );
 };

src/api.ts

@@ -1,4 +1,5 @@
 import { Todo } from './types/Todo';
+import { TodoStatus } from './types/TodoStatus';
 import { User } from './types/User';
 
 // eslint-disable-next-line operator-linebreak
@@ -25,4 +26,36 @@ function get<T>(url: string): Promise<T> {
 
 export const getTodos = () => get<Todo[]>('/todos');
 
+export const getSortedTodos = () => {
+  return getTodos().then(todos => todos.sort((a, b) => a.id - b.id));
+};
+
+export const getCompletedTodos = () => {
+  return getSortedTodos().then(todos =>
+    todos.filter(todo => todo.completed === true),
+  );
+};
+
+export const getActiveTodos = () => {
+  return getSortedTodos().then(todos =>
+    todos.filter(todo => todo.completed === false),
+  );
+};
+
+export const getFilteredTodos = (value: TodoStatus) => {
+  switch (value) {
+    case TodoStatus.all:
+      return getSortedTodos();
+
+    case TodoStatus.active:
+      return getActiveTodos();
+
+    case TodoStatus.completed:
+      return getCompletedTodos();
+
+    default:
+      return getSortedTodos();
+  }
+};
+
 export const getUser = (userId: number) => get<User>(`/users/${userId}`);

src/components/TodoFilter/TodoFilter.tsx

@@ -1,30 +1,88 @@
-export const TodoFilter = () => (
-  <form className="field has-addons">
-    <p className="control">
-      <span className="select">
-        <select data-cy="statusSelect">
-          <option value="all">All</option>
-          <option value="active">Active</option>
-          <option value="completed">Completed</option>
-        </select>
-      </span>
-    </p>
-
-    <p className="control is-expanded has-icons-left has-icons-right">
-      <input
-        data-cy="searchInput"
-        type="text"
-        className="input"
-        placeholder="Search..."
-      />
-      <span className="icon is-left">
-        <i className="fas fa-magnifying-glass" />
-      </span>
-
-      <span className="icon is-right" style={{ pointerEvents: 'all' }}>
-        {/* eslint-disable-next-line jsx-a11y/control-has-associated-label */}
-        <button data-cy="clearSearchButton" type="button" className="delete" />
-      </span>
-    </p>
-  </form>
-);
+import React, { useEffect, useState } from 'react';
+import { getFilteredTodos } from '../../api';
+import { Todo } from '../../types/Todo';
+import { TodoStatus } from '../../types/TodoStatus';
+
+type Props = {
+  setTodos: (todos: Todo[]) => void;
+};
+
+export const TodoFilter: React.FC<Props> = ({ setTodos = () => {} }) => {
+  const [query, setQuery] = useState('');
+  const [selectedValue, setSelectedValue] = useState<TodoStatus>(
+    TodoStatus.all,
+  );
+
+  const handleQueryChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const newValue = event.target.value;
+
+    setQuery(newValue);
+  };
+
+  const handleDelete = () => {
+    setQuery('');
+  };
+
+  useEffect(() => {
+    if (query) {
+      getFilteredTodos(selectedValue)
+        .then(todos =>
+          todos.filter(todo =>
+            todo.title.toLowerCase().includes(query.toLowerCase()),
+          ),
+        )
+        .then(setTodos);
+    } else {
+      getFilteredTodos(selectedValue).then(setTodos);
+    }
+  }, [selectedValue, query]);
+
+  return (
+    <form className="field has-addons">
+      <p className="control">
+        <span className="select">
+          <select
+            data-cy="statusSelect"
+            onChange={e => {
+              setSelectedValue(e.target.value as TodoStatus);
+            }}
+          >
+            <option value={TodoStatus.all}>All</option>
+            <option value={TodoStatus.active}>Active </option>
+            <option value={TodoStatus.completed}>Completed</option>
+          </select>
+        </span>
+      </p>
+
+      <p className="control is-expanded has-icons-left has-icons-right">
+        <input
+          value={query}
+          onChange={event => {
+            handleQueryChange(event);
+          }}
+          data-cy="searchInput"
+          type="text"
+          className="input"
+          placeholder="Search..."
+        />
+        <span className="icon is-left">
+          <i className="fas fa-magnifying-glass" />
+        </span>
+
+        {query && (
+          <span className="icon is-right" style={{ pointerEvents: 'all' }}>
+            {/* eslint-disable-next-line jsx-a11y/control-has-associated-label */}
+            <button
+              onClick={() => {
+                handleDelete();
+              }}
+              data-cy="clearSearchButton"
+              type="button"
+              className="delete"
+            />
+          </span>
+        )}
+      </p>
+    </form>
+  );
+};