From 868e48bb1e999ee24f9310c210a9fce03107eca7 Mon Sep 17 00:00:00 2001
From: uropbbro <Igor.Sosnovskikh@urfu.me>
Date: Wed, 9 Jun 2021 13:11:37 +0500
Subject: [PATCH] Task done

---
 index.js | 146 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 143 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index 8635050..3844be6 100644
--- a/index.js
+++ b/index.js
@@ -2,24 +2,164 @@ const {getAllFilePathsWithExtension, readFile} = require('./fileSystem');
 const {readLine} = require('./console');
 
 const files = getFiles();
+const todos = getTodos();
 
 console.log('Please, write your command!');
 readLine(processCommand);
-
 function getFiles() {
     const filePaths = getAllFilePathsWithExtension(process.cwd(), 'js');
     return filePaths.map(path => readFile(path));
 }
 
 function processCommand(command) {
-    switch (command) {
+    let commandArr = command.split(' ');
+    switch (commandArr[0]) {
         case 'exit':
             process.exit(0);
             break;
+        case 'show':
+            console.log(getTODOfiles());
+            break;
+        case 'important':
+            console.log(getImportant());
+            break;
+        case 'user':
+            console.log(getNamesTODO(commandArr[1]));
+            break;
+        case 'sort':
+            switch (commandArr[1]){
+                case 'importance':
+                    sortImp();
+                    break;
+                case 'user':
+                    sortUser();
+                    break;
+                default:
+                    sortDate();
+                    break;
+            }
         default:
             console.log('wrong command');
             break;
     }
 }
-
 // TODO you can do it!
+function getTODOfiles() {
+    let result = [];
+    for(let file of files) {
+        let strings = file.split('\r\n').filter(x => x.includes('// TODO') && !x.includes('\'// TODO\''));
+        for(let string of strings) {
+            result.push(string.slice(string.indexOf('//')));
+        }
+    }
+    return removeTODO(result);
+}
+
+function getTodos() {
+    let todos = [];
+    for (let file of files){
+        let strings = file.split("\n");
+        for (let str of strings){
+            if (str.includes("// TODO ")){
+                todos.push(str.substring(str.indexOf("// TODO ")));
+            }
+        }
+    }
+
+    return todos;
+}
+
+function removeTODO(todos) {
+    let result = [];
+    for(let todo of todos) {
+        todo = todo.substr(8);
+        result.push(todo);
+    }
+    return result;
+}
+
+function getImportant(){
+    let todos = getTODOfiles();
+    let important = [];
+    for (let todo of todos){
+        if (todo.includes('!')){
+            important.push(todo);
+        }
+    }
+    return important;
+}
+
+function getNamesTODO(userName) {
+    userName = userName.toLowerCase();
+    let todos = getTODOfiles();
+    let nameTODOS = [];
+    for(todo of todos) {
+        if(todo.split(';').length === 3 && todo.toLowerCase().startsWith(userName)) {
+            nameTODOS.push(todo);
+        }
+    }
+    return nameTODOS;
+}
+
+function sortImp(){
+    let clone = todos.slice();
+    clone.sort((a, b) => compareImp(a, b));
+    for (let todo of clone){
+        console.log(todo);
+    }
+}
+
+function compareImp(a, b) {
+    let aS = (a.match(new RegExp("!", "g")) || []).length;
+    let bS = (b.match(new RegExp("!", "g")) || []).length;
+    if (aS <= bS) {
+      return 1;
+    } else if (aS > bS) {
+      return -1;
+    }
+  }
+
+function sortUser(){
+    let clone = todos.slice();
+    clone.sort((a, b) => compareUser(a, b));
+    for (let todo of clone){
+        console.log(todo);
+    }
+}
+
+function compareUser(a, b) {
+    let aS = getUser(a);
+    let bS = getUser(b);
+    return aS.localeCompare(bS);
+}
+
+function getUser(todo){
+    if (todo.includes(';')){
+        return todo.substring(8, todo.indexOf(';'));
+    } else {
+        return "ZZZ";
+    }
+}
+
+function sortDate(){
+    let clone = todos.slice();
+    clone.sort((a, b) => compareDate(a, b));
+    for (let todo of clone){
+        console.log(todo);
+    }
+}
+
+function compareDate(a, b) {
+    let aS = getDate(a);
+    let bS = getDate(b);
+    return aS.localeCompare(bS);
+}
+
+function getDate(todo){
+    let date = [];
+    if ((todo.match(new RegExp("-", "g")) || []).length > 1){
+        return todo.substring(todo.indexOf('-') - 4, todo.indexOf('-') + 6);
+    } else {
+        return '9999-99-99';
+    }
+}