diff --git a/phone-book.js b/phone-book.js
index 69fb468..1d39b9f 100644
--- a/phone-book.js
+++ b/phone-book.js
@@ -9,7 +9,7 @@ exports.isStar = true;
 /**
  * Телефонная книга
  */
-var phoneBook;
+let phoneBook = [];
 
 /**
  * Добавление записи в телефонную книгу
@@ -17,36 +17,136 @@ var phoneBook;
  * @param {String} name
  * @param {String} email
  */
+
 exports.add = function (phone, name, email) {
+    let re = /^\d{10}$/;
+    if (!re.test(phone) || name === '' || typeof (name) === 'undefined') {
+        return false;
+    }
+    for (let phoneNumber of phoneBook) {
+        if (phoneNumber.phone === phone) {
+            return false;
+        }
+    }
+    phoneBook.push({ phone, name, email });
 
+    return true;
 };
 
-/**
+/*
  * Обновление записи в телефонной книге
  * @param {String} phone
  * @param {String} name
  * @param {String} email
  */
+
 exports.update = function (phone, name, email) {
+    for (let i = 0; i < phoneBook.length; i++) {
+        if (name === null || name === '') {
+            return false;
+        }
+
+        if (phoneBook[i].phone === phone && name !== undefined) {
+            phoneBook[i].name = name;
+            phoneBook[i].email = email;
 
+            return true;
+        }
+
+        if (phoneBook[i].phone === phone && name === undefined) {
+            phoneBook[i].email = email;
+
+            return true;
+        }
+    }
 };
 
-/**
+/*
  * Удаление записей по запросу из телефонной книги
  * @param {String} query
  */
-exports.findAndRemove = function (query) {
+exports.findAndRemove = function (query) { // eslint-disable-line complexity
+    let iteration = 0;
+    if (query === '') {
+        return 0;
+    }
+    if (query === '*') {
+        for (let i = 0; i < phoneBook.length; i++) {
+            phoneBook.splice(i, 1);
+            i--;
+            iteration++;
+        }
 
+        return iteration;
+    }
+    for (let i = 0; i < phoneBook.length; i++) {
+        if (phoneBook[i].name.indexOf(query) !== -1 ||
+            phoneBook[i].phone.indexOf(query) !== -1 ||
+            (phoneBook[i].email !== undefined) && phoneBook[i].email.indexOf(query) !== -1) {
+            phoneBook.splice(i, 1);
+            i--;
+            iteration++;
+        }
+    }
+
+    return iteration;
 };
 
-/**
+/*
  * Поиск записей по запросу в телефонной книге
  * @param {String} query
  */
-exports.find = function (query) {
+function formContact(phone, name, email) {
+    let formOfContact = [];
+    formOfContact.name = name;
+    formOfContact.phone = '+7 (' + phone.slice(0, 3) + ') ' + phone.slice(3, 6) + '-' +
+     phone.slice(6, 8) + '-' + phone.slice(8, 10);
+    formOfContact.email = email;
+    if (email === undefined) {
+        formOfContact.email = '';
+        let str = formOfContact.name + ', ' + formOfContact.phone;
+
+        return str;
+    }
+    let str = formOfContact.name + ', ' + formOfContact.phone + ', ' + formOfContact.email;
 
+    return str;
+}
+
+exports.find = function (query) { // eslint-disable-line max-statements
+    let findResult = [];
+    if (query === '') {
+        return findResult;
+    }
+    if (query === '*') {
+        for (let i = 0; i < phoneBook.length; i++) {
+            let phone = phoneBook[i].phone;
+            let name = phoneBook[i].name;
+            let email = phoneBook[i].email;
+            findResult[i] = formContact(phone, name, email);
+        }
+    } else {
+        for (let i = 0; i < phoneBook.length; i++) {
+            if (test(query, phoneBook[i].name, // eslint-disable-line max-depth
+                phoneBook[i].phone, phoneBook[i].email)) {
+                let phone = phoneBook[i].phone;
+                let name = phoneBook[i].name;
+                let email = phoneBook[i].email;
+                findResult[i] = formContact(phone, name, email);
+            }
+        }
+    }
+
+    return findResult.sort();
 };
 
+function test(query, name, phone, email) {
+    if (name.indexOf(query) !== -1 || phone.indexOf(query) !== -1 ||
+    (email !== undefined) && email.indexOf(query) !== -1) {
+        return 1;
+    }
+}
+
 /**
  * Импорт записей из csv-формата
  * @star
@@ -57,6 +157,17 @@ exports.importFromCsv = function (csv) {
     // Парсим csv
     // Добавляем в телефонную книгу
     // Либо обновляем, если запись с таким телефоном уже существует
+    let stringsCSV = csv.split('\n');
+    let iteration = 0;
+    for (let i = 0; i < stringsCSV.length; i++) {
+        let arrayString = stringsCSV[i].split(';');
+        let name = arrayString[0];
+        let phone = arrayString[1];
+        let email = arrayString[2];
+        if (exports.add(phone, name, email) || exports.update(phone, name, email)) {
+            iteration++;
+        }
+    }
 
-    return csv.split('\n').length;
+    return iteration;
 };