solution/M2-018

projects/m2/018-text-messaging/js/index.js

@@ -0,0 +1,115 @@
+const readline = require('readline/promises');
+const { stdin: input, stdout: output } = require('process');
+
+
+const Obj = {
+1: ['.', ',', '?', '!', ':'],
+    2: ['A', 'B', 'C'],
+    3: ['D', 'E', 'F'],
+    4: ['G', 'H', 'I'],
+    5: ['J', 'K', 'L'],
+    6: ['M', 'N', 'O'],
+    7: ['P', 'Q', 'R', 'S'],
+    8: ['T', 'U', 'V'],
+    9: ['W', 'X', 'Y', 'Z']
+}
+
+
+function getLetter(index,char,input){
+    console.log('entro',{
+        index,char,input
+    });
+
+    let newIndex = index
+    let found = false;
+    let limit =  index + Obj[char].length;
+    while(newIndex < limit && !found){
+        console.log('while');
+        if(input[newIndex] !== char){
+            found= true;
+        }
+        else{newIndex+=1;
+        }
+    }
+    console.log({
+        newIndex,
+        index,
+        c:Obj[char],
+        diff:newIndex - index
+    })
+
+
+    return {newChar:Obj[char][newIndex - index - 1],newIndex}
+
+}
+
+console.log('4433555555666110966677755531111');
+console.log(getPhraseList('4433555555666110966677755531111'))
+
+function getPhraseList(input){
+    console.log({input,len:input.length})
+    let result = '';
+    let index = 0;
+
+
+    while(index < input.length){
+
+        const char = input[index]
+        if(input[index] === '0'){
+            result+= ' '
+            index++;
+        }
+        else if(!!Obj[char]){
+            console.log('dovrei essere qui');
+
+            const {newChar,newIndex} = getLetter(index,char,input)
+
+            result+=newChar
+            index = newIndex;
+        }
+    }
+
+
+    return result;
+
+
+}
+
+
+async function main() {
+
+
+    const rl = readline.createInterface({ input, output });
+     try{
+       const inputNumber=await getInput(rl);
+      const inputPhrase = getPhraseList(inputNumber);
+       console.log(phraseList); 
+
+
+
+     }
+     catch(e){
+        console.log(e)
+     }
+     finally{
+        rl.close();
+     }
+
+    }
+   //main();
+
+
+
+
+async function getInput(rl){
+
+   const input = await rl.question(`Please enter the SEQUENCE OF NUMBER: `)
+    const inputNumber = Number.parseInt(input,10);
+    if(!Number.isNaN(inputNumber)){
+        return inputNumber
+    }
+
+    //console.log("Please Enter a valid number")
+   return getInput(rl);
+
+}