From 3fa40da444f91086614f74a6673b46c8f43ae6ba Mon Sep 17 00:00:00 2001
From: Jason Fu <jason.fz@hotmail.com>
Date: Sat, 8 Oct 2022 13:33:07 -0700
Subject: [PATCH] commit homework no3

---
 todo_CLI/todo_cli.js | 89 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 todo_CLI/todo_cli.js

diff --git a/todo_CLI/todo_cli.js b/todo_CLI/todo_cli.js
new file mode 100644
index 0000000..f374f90
--- /dev/null
+++ b/todo_CLI/todo_cli.js
@@ -0,0 +1,89 @@
+const readline = require('readline')
+
+const rl = readline.createInterface({
+  input: process.stdin, 
+  output: process.stdout 
+})
+
+let welcomeMenu = 
+"\n\n😄Welcome to Todo List Application😄\n" + "------------------------------------"
+
+let functionMenu = 
+"\nPlease choose one of the following functions:\n\n" +  "(v) View • ( n ) New • (cX) Complete • (dX) Delete • (q) Quit\n\n"
+
+// arrar to record the todo list
+let arrTodoList = []
+
+//function to turn arrary into a list on screen
+let todoListContentMenu = function(){
+for (let i = 0; i < arrTodoList.length; i++){
+   console.log("\n" + i + arrTodoList[i]);
+}
+return 
+}
+
+console.log (welcomeMenu)
+
+function view() {
+  if(arrTodoList.length === 0){
+    console.log("List is empty...\n")
+    return main()
+  }else{
+  todoListContentMenu()
+  
+  return main()
+  }
+}
+
+function newItem (){
+  rl.question("\nwhat?\n \n", (answer2) => {
+    arrTodoList.push(`[]${answer2}`)
+     return main()
+    })
+}
+
+let completeAnswer 
+function complete (){
+  console.log(`\nCompleted \"${arrTodoList[completeAnswer].substring(2)}\"`)
+  arrTodoList[completeAnswer] = arrTodoList[completeAnswer].replace("[]", "[✓]")
+  return main()
+}
+
+let deleteAnswer 
+function deleteItem (){
+  if(arrTodoList[deleteAnswer][1] === "]"){
+  console.log(`\nDeleted \"${arrTodoList[deleteAnswer].substring(2)}\"`)
+  }else{
+  console.log(`\nDeleted \"${arrTodoList[deleteAnswer].substring(3)}\"`)
+  }
+  arrTodoList.splice(deleteAnswer,1);
+  return main()
+}
+
+function quit (){
+  console.log ("\nSee you soon! 😄")
+  rl.close() 
+}
+
+
+function main(){
+  rl.question(functionMenu, (answer) => {
+    if(answer==='v') {
+      view();
+    }else if(answer==='n'){
+      newItem();
+    }else if(answer[0]==='c'){
+      completeAnswer = answer[1]
+      complete ();
+    }else if(answer[0]==='d'){
+      deleteAnswer = answer[1]
+      deleteItem ();
+    }else if(answer==='q'){
+      quit ();
+    }
+  })
+}
+
+main()
+
+