From 7bffa67a7fe434e6d163e50bbf86f57fa0ee5b66 Mon Sep 17 00:00:00 2001
From: Gabriel Arakaki Giovanini <mail@gabrielgio.me>
Date: Mon, 11 Jul 2022 14:24:39 +0200
Subject: feat: Add support for floating numbers

Add support for floating points using decimal comma format.
---
 index.html | 32 +++++++++++++++++++++-----------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/index.html b/index.html
index 39697ff..65ee3f8 100644
--- a/index.html
+++ b/index.html
@@ -97,14 +97,14 @@ main {
         </header>
         <main>
             <div class="section">
-                <input class="form-ctl" type="number" id="a" placeholder="A">
+                <input class="form-ctl" pattern="([0-9]+.{0,1}[0-9]*,{0,1})*[0-9]" type="text" id="a" placeholder="A">
                 &nbsp;=&nbsp;
-                <input class="form-ctl" type="number" id="b" placeholder="B">
+                <input class="form-ctl" pattern="([0-9]+.{0,1}[0-9]*,{0,1})*[0-9]"type="text" id="b" placeholder="B">
             </div>
             <div class="section">
-                <input class="form-ctl" type="number" id="c" placeholder="C">
+                <input class="form-ctl" pattern="([0-9]+.{0,1}[0-9]*,{0,1})*[0-9]" type="text" id="c" placeholder="C">
                 &nbsp;=&nbsp;
-                <input class="form-ctl" type="number" id="resultado" disabled placeholder="Resultado">
+                <input class="form-ctl" pattern="([0-9]+.{0,1}[0-9]*,{0,1})*[0-9]" id="resultado" disabled placeholder="Resultado">
             </div>
             <div id="warning" class="section warning">
                 <p>
@@ -122,14 +122,24 @@ const cInput = document.getElementById('c')
 const resultadoInput = document.getElementById('resultado')
 const warningParagraph = document.getElementById('warning')
 
+function cToP(v) {
+    return v.replace(",", ".")
+}
+
+function pToC(v) {
+    return v.replace(".", ",")
+}
+
 function eval() {
-    const a = aInput.value
-    const b = bInput.value
-    const c = cInput.value
+    const a = cToP(aInput.value)
+    const b = cToP(bInput.value)
+    const c = cToP(cInput.value)
 
     try {
         const values = validate(a,b,c)
-        resultadoInput.value = calculate(...values)
+        // fix float to 3 and remove zeroes
+        const result = calculate(...values).toFixed(3).replace(/\.0+$/,'')
+        resultadoInput.value = pToC(result)
     } catch (e) {
         warningParagraph.textContent = e
         warningParagraph.style.visibility = 'visible';
@@ -142,19 +152,19 @@ function eval() {
 function validate(a, b, c) {
     const result = [0,0,0]
 
-    const ra = parseInt(a)
+    const ra = parseFloat(a)
     if (isNaN(ra)){
         throw "Valor de A invalido"
     }
     result[0] = ra
 
-    const rb = parseInt(b)
+    const rb = parseFloat(b)
     if (isNaN(rb)){
         throw "Valor de B invalido"
     }
     result[1] = rb
 
-    const rc = parseInt(c)
+    const rc = parseFloat(c)
     if (isNaN(rc)){
         throw "Valor de C invalido"
     }
-- 
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