feat: integrate Tailwind CSS and enhance MainForm component

- Added Tailwind CSS and related packages to the project.
- Refactored App.css and index.css to use Tailwind for styling.
- Enhanced MainForm component with improved form handling, validation, and layout using Material-UI and Tailwind CSS.
- Implemented dynamic error handling and submission feedback.
- Created a new Tailwind configuration file.

backend/routes/default/frontend.data.js

@@ -0,0 +1,21 @@
+import mysql from "mysql2";
+import dotenv from "dotenv";
+dotenv.config();
+
+const pool = mysql
+  .createPool({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_NAME,
+  })
+  .promise();
+
+export const getAll25 = async () => {
+  const [rows] = await pool.query("SELECT unique_key FROM users");
+  if (rows.length > 0) {
+    return rows;
+  } else {
+    return "No data found";
+  }
+};

backend/routes/default/frontend.route.js

@@ -1,4 +1,14 @@
 import express from "express";
 import dotenv from "dotenv";
 const router = express.Router();
-dotenv.config();
+dotenv.config();
+
+import { getAll25 } from "./frontend.data.js";
+
+router.post("/frontend", (req, res) => {
+  console.log(req.body);
+  res.status(200).json({ message: "Data received successfully" });
+  console.log(getAll25());
+});
+
+export default router;

docker-compose.yml

@@ -13,7 +13,7 @@ services:
       - "8004:8004"
     environment:
       NODE_ENV: production
-      DB_HOST: ca_lose
+      DB_HOST: ca-lose-mysql
       DB_USER: root
       DB_PASSWORD: ${DB_PASSWORD}
       DB_NAME: ca_lose

frontend/package.json

@@ -21,7 +21,11 @@
     "react-dom": "^19.2.0",
     "react-i18next": "^16.2.0",
     "react-router-dom": "^7.11.0",
-    "styled-components": "^6.1.19"
+    "styled-components": "^6.1.19",
+    "tailwind-merge": "^3.3.1",
+    "tailwindcss": "^4.1.11",
+    "tailwindcss-animate": "^1.0.7",
+    "@tailwindcss/vite": "^4.1.11"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.1",
@@ -37,4 +41,4 @@
     "typescript-eslint": "^8.46.4",
     "vite": "^7.2.4"
   }
-}
+}

frontend/src/App.css

@@ -1,42 +1 @@
-#root {
+@import "tailwindcss";
-  max-width: 1280px;
-  margin: 0 auto;
-  padding: 2rem;
-  text-align: center;
-}
-
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-  transition: filter 300ms;
-}
-.logo:hover {
-  filter: drop-shadow(0 0 2em #646cffaa);
-}
-.logo.react:hover {
-  filter: drop-shadow(0 0 2em #61dafbaa);
-}
-
-@keyframes logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  a:nth-of-type(2) .logo {
-    animation: logo-spin infinite 20s linear;
-  }
-}
-
-.card {
-  padding: 2em;
-}
-
-.read-the-docs {
-  color: #888;
-}

frontend/src/index.css

@@ -1,68 +1 @@
-:root {
+@import "tailwindcss";
-  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
-  line-height: 1.5;
-  font-weight: 400;
-
-  color-scheme: light dark;
-  color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
-
-  font-synthesis: none;
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-
-a {
-  font-weight: 500;
-  color: #646cff;
-  text-decoration: inherit;
-}
-a:hover {
-  color: #535bf2;
-}
-
-body {
-  margin: 0;
-  display: flex;
-  place-items: center;
-  min-width: 320px;
-  min-height: 100vh;
-}
-
-h1 {
-  font-size: 3.2em;
-  line-height: 1.1;
-}
-
-button {
-  border-radius: 8px;
-  border: 1px solid transparent;
-  padding: 0.6em 1.2em;
-  font-size: 1em;
-  font-weight: 500;
-  font-family: inherit;
-  background-color: #1a1a1a;
-  cursor: pointer;
-  transition: border-color 0.25s;
-}
-button:hover {
-  border-color: #646cff;
-}
-button:focus,
-button:focus-visible {
-  outline: 4px auto -webkit-focus-ring-color;
-}
-
-@media (prefers-color-scheme: light) {
-  :root {
-    color: #213547;
-    background-color: #ffffff;
-  }
-  a:hover {
-    color: #747bff;
-  }
-  button {
-    background-color: #f9f9f9;
-  }
-}

frontend/src/pages/MainForm.tsx

@@ -1,96 +1,434 @@
-import { TextField, FormControlLabel, Checkbox, Button } from "@mui/material";
+import {
+  Box,
+  Stack,
+  TextField,
+  FormControlLabel,
+  Checkbox,
+  Button,
+  Alert,
+} from "@mui/material";
 import { useTranslation } from "react-i18next";
 import { useState } from "react";
 
+const phonePattern = /^[+]?[- 0-9()]{7,}$/;
+const emailPattern = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+
 export const MainForm = () => {
   const { t } = useTranslation();
   const [invoice, setInvoice] = useState(false);
+  const [paymentMethod, setPaymentMethod] = useState<
+    "cash" | "paypal" | "transfer" | null
+  >(null);
+  const [formValues, setFormValues] = useState({
+    firstName: "",
+    lastName: "",
+    email: "",
+    phoneNumber: "",
+    tickets: "",
+    code: "",
+    companyName: "",
+    invoiceFirstName: "",
+    invoiceLastName: "",
+    street: "",
+    postalCode: "",
+    invoicePhoneNumber: "",
+    invoiceEmail: "",
+  });
+  const [errors, setErrors] = useState<Record<string, string>>({});
+  const [submitting, setSubmitting] = useState(false);
+  const [submitMessage, setSubmitMessage] = useState<string | null>(null);
+
+  const updateField =
+    (field: keyof typeof formValues) =>
+    (event: React.ChangeEvent<HTMLInputElement>) => {
+      setFormValues((prev) => ({ ...prev, [field]: event.target.value }));
+    };
+
+  const validate = () => {
+    const nextErrors: Record<string, string> = {};
+
+    if (!formValues.firstName.trim()) nextErrors.firstName = "Required";
+    if (!formValues.lastName.trim()) nextErrors.lastName = "Required";
+
+    if (!formValues.email.trim()) nextErrors.email = "Required";
+    else if (!emailPattern.test(formValues.email))
+      nextErrors.email = "Invalid email";
+
+    if (!formValues.phoneNumber.trim()) nextErrors.phoneNumber = "Required";
+    else if (!phonePattern.test(formValues.phoneNumber))
+      nextErrors.phoneNumber = "Invalid phone number";
+
+    const ticketsNumber = Number(formValues.tickets);
+    if (!formValues.tickets.trim()) nextErrors.tickets = "Required";
+    else if (!Number.isFinite(ticketsNumber) || ticketsNumber <= 0)
+      nextErrors.tickets = "Must be a positive number";
+
+    if (!paymentMethod) nextErrors.paymentMethod = "Select a payment method";
+
+    if (!formValues.code.trim()) nextErrors.code = "Required";
+
+    if (invoice) {
+      if (!formValues.companyName.trim()) nextErrors.companyName = "Required";
+      if (!formValues.invoiceFirstName.trim())
+        nextErrors.invoiceFirstName = "Required";
+      if (!formValues.invoiceLastName.trim())
+        nextErrors.invoiceLastName = "Required";
+      if (!formValues.street.trim()) nextErrors.street = "Required";
+      if (!formValues.postalCode.trim()) nextErrors.postalCode = "Required";
+
+      if (!formValues.invoicePhoneNumber.trim())
+        nextErrors.invoicePhoneNumber = "Required";
+      else if (!phonePattern.test(formValues.invoicePhoneNumber))
+        nextErrors.invoicePhoneNumber = "Invalid phone number";
+
+      if (!formValues.invoiceEmail.trim()) nextErrors.invoiceEmail = "Required";
+      else if (!emailPattern.test(formValues.invoiceEmail))
+        nextErrors.invoiceEmail = "Invalid email";
+    }
+
+    setErrors(nextErrors);
+    return Object.keys(nextErrors).length === 0;
+  };
+
+  const handleSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    setSubmitMessage(null);
+
+    const isValid = validate();
+    if (!isValid) return;
+
+    setSubmitting(true);
+    try {
+      const payload = {
+        invoice,
+        paymentMethod,
+        firstName: formValues.firstName.trim(),
+        lastName: formValues.lastName.trim(),
+        email: formValues.email.trim(),
+        phoneNumber: formValues.phoneNumber.trim(),
+        tickets: Number(formValues.tickets),
+        code: Number(formValues.code),
+        invoiceDetails: invoice
+          ? {
+              companyName: formValues.companyName.trim(),
+              firstName: formValues.invoiceFirstName.trim(),
+              lastName: formValues.invoiceLastName.trim(),
+              street: formValues.street.trim(),
+              postalCode: formValues.postalCode.trim(),
+              phoneNumber: formValues.invoicePhoneNumber.trim(),
+              email: formValues.invoiceEmail.trim(),
+            }
+          : null,
+      };
+
+      const response = await fetch("http://localhost:8004/default/frontend", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify(payload),
+      });
+
+      if (!response.ok) {
+        throw new Error(`Request failed with status ${response.status}`);
+      }
+
+      setSubmitMessage("Submitted successfully.");
+    } catch (error) {
+      setSubmitMessage("Submit failed. Please try again.");
+    } finally {
+      setSubmitting(false);
+    }
+  };
 
   return (
-    <>
+    <Box className="min-h-screen bg-neutral-900 flex justify-center items-start py-10 px-4">
-      <form action="" method="post">
+      <Box
+        component="form"
+        action=""
+        method="post"
+        onSubmit={handleSubmit}
+        className="w-full max-w-md bg-white shadow-sm rounded-md"
+        sx={{ display: "flex", flexDirection: "column", gap: 2, p: 3 }}
+      >
+        <Box
+          sx={{
+            display: "grid",
+            gridTemplateColumns: { xs: "1fr", sm: "1fr 1fr" },
+            gap: 2,
+          }}
+        >
+          <TextField
+            required
+            id="first-name"
+            label={t("first_name")}
+            variant="filled"
+            size="small"
+            fullWidth
+            margin="dense"
+            value={formValues.firstName}
+            onChange={updateField("firstName")}
+            error={Boolean(errors.firstName)}
+            helperText={errors.firstName}
+          />
+          <TextField
+            required
+            id="last-name"
+            label={t("last_name")}
+            variant="filled"
+            size="small"
+            fullWidth
+            margin="dense"
+            value={formValues.lastName}
+            onChange={updateField("lastName")}
+            error={Boolean(errors.lastName)}
+            helperText={errors.lastName}
+          />
+        </Box>
+
         <TextField
           required
-          id="first-name"
+          id="email"
-          label={t("first_name")}
+          label={t("email")}
           variant="filled"
+          size="small"
+          fullWidth
+          margin="dense"
+          type="email"
+          value={formValues.email}
+          onChange={updateField("email")}
+          error={Boolean(errors.email)}
+          helperText={errors.email}
         />
-        <TextField
-          required
-          id="last-name"
-          label={t("last_name")}
-          variant="filled"
-        />
-        <TextField required id="email" label={t("email")} variant="filled" />
         <TextField
           required
           id="phone-number"
           label={t("phone_number")}
           variant="filled"
+          size="small"
+          fullWidth
+          margin="dense"
+          type="tel"
+          value={formValues.phoneNumber}
+          onChange={updateField("phoneNumber")}
+          error={Boolean(errors.phoneNumber)}
+          helperText={errors.phoneNumber}
         />
-        <TextField
+
-          required
+        <Box
-          id="tickets"
+          sx={{
-          label={t("tickets")}
+            display: "grid",
-          variant="filled"
+            gridTemplateColumns: { xs: "1fr", sm: "2fr 1fr" },
-        />
+            gap: 2,
-        <FormControlLabel control={<Checkbox />} label={t("invoice")} />
+            alignItems: "center",
+          }}
+        >
+          <TextField
+            required
+            id="tickets"
+            label={t("tickets")}
+            variant="filled"
+            size="small"
+            fullWidth
+            margin="dense"
+            type="number"
+            value={formValues.tickets}
+            onChange={updateField("tickets")}
+            error={Boolean(errors.tickets)}
+            helperText={errors.tickets}
+          />
+          <FormControlLabel
+            control={
+              <Checkbox
+                checked={invoice}
+                onChange={(event) => setInvoice(event.target.checked)}
+              />
+            }
+            label={t("invoice")}
+          />
+        </Box>
 
         {invoice && (
-          <>
+          <Box sx={{ display: "flex", flexDirection: "column", gap: 2 }}>
             <TextField
               required
               id="company-name"
               label={t("company_name")}
               variant="filled"
+              size="small"
+              fullWidth
+              margin="dense"
+              value={formValues.companyName}
+              onChange={updateField("companyName")}
+              error={Boolean(errors.companyName)}
+              helperText={errors.companyName}
             />
-            <TextField
+            <Box
-              required
+              sx={{
-              id="first-name_invoice"
+                display: "grid",
-              label={t("first_name")}
+                gridTemplateColumns: { xs: "1fr", sm: "1fr 1fr" },
-              variant="filled"
+                gap: 2,
-            />
+              }}
-            <TextField
+            >
-              required
+              <TextField
-              id="last-name_invoice"
+                required
-              label={t("last_name")}
+                id="first-name_invoice"
-              variant="filled"
+                label={t("first_name")}
-            />
+                variant="filled"
+                size="small"
+                fullWidth
+                margin="dense"
+                value={formValues.invoiceFirstName}
+                onChange={updateField("invoiceFirstName")}
+                error={Boolean(errors.invoiceFirstName)}
+                helperText={errors.invoiceFirstName}
+              />
+              <TextField
+                required
+                id="last-name_invoice"
+                label={t("last_name")}
+                variant="filled"
+                size="small"
+                fullWidth
+                margin="dense"
+                value={formValues.invoiceLastName}
+                onChange={updateField("invoiceLastName")}
+                error={Boolean(errors.invoiceLastName)}
+                helperText={errors.invoiceLastName}
+              />
+            </Box>
             <TextField
               required
               id="street"
               label={t("street")}
               variant="filled"
+              size="small"
+              fullWidth
+              margin="dense"
+              value={formValues.street}
+              onChange={updateField("street")}
+              error={Boolean(errors.street)}
+              helperText={errors.street}
             />
             <TextField
               required
               id="postal-code"
               label={t("postal_code")}
               variant="filled"
+              size="small"
+              fullWidth
+              margin="dense"
+              value={formValues.postalCode}
+              onChange={updateField("postalCode")}
+              error={Boolean(errors.postalCode)}
+              helperText={errors.postalCode}
             />
             <TextField
               required
               id="phone-number_invoice"
               label={t("phone_number")}
               variant="filled"
+              size="small"
+              fullWidth
+              margin="dense"
+              type="tel"
+              value={formValues.invoicePhoneNumber}
+              onChange={updateField("invoicePhoneNumber")}
+              error={Boolean(errors.invoicePhoneNumber)}
+              helperText={errors.invoicePhoneNumber}
             />
             <TextField
               required
               id="email_invoice"
               label={t("email")}
               variant="filled"
+              size="small"
+              fullWidth
+              margin="dense"
+              type="email"
+              value={formValues.invoiceEmail}
+              onChange={updateField("invoiceEmail")}
+              error={Boolean(errors.invoiceEmail)}
+              helperText={errors.invoiceEmail}
             />
-          </>
+          </Box>
         )}
 
-        {/* Payment methods - only one must be selected */}
+        <Stack direction="row" spacing={2} flexWrap="wrap" pl={1}>
-        <FormControlLabel control={<Checkbox />} label={t("cash")} />
+          {/* Payment methods - only one must be selected */}
-        <FormControlLabel control={<Checkbox />} label={t("paypal")} />
+          <FormControlLabel
-        <FormControlLabel control={<Checkbox />} label={t("transfer")} />
+            control={
+              <Checkbox
+                checked={paymentMethod === "cash"}
+                onChange={() =>
+                  setPaymentMethod((current) =>
+                    current === "cash" ? null : "cash"
+                  )
+                }
+              />
+            }
+            label={t("cash")}
+            sx={{ color: errors.paymentMethod ? "error.main" : undefined }}
+          />
+          <FormControlLabel
+            control={
+              <Checkbox
+                checked={paymentMethod === "paypal"}
+                onChange={() =>
+                  setPaymentMethod((current) =>
+                    current === "paypal" ? null : "paypal"
+                  )
+                }
+              />
+            }
+            label={t("paypal")}
+            sx={{ color: errors.paymentMethod ? "error.main" : undefined }}
+          />
+          <FormControlLabel
+            control={
+              <Checkbox
+                checked={paymentMethod === "transfer"}
+                onChange={() =>
+                  setPaymentMethod((current) =>
+                    current === "transfer" ? null : "transfer"
+                  )
+                }
+              />
+            }
+            label={t("transfer")}
+            sx={{ color: errors.paymentMethod ? "error.main" : undefined }}
+          />
+        </Stack>
 
-        <TextField required id="code" label={t("code")} variant="filled" />
+        <TextField
-        <Button variant="contained">{t("submit")}</Button>
+          required
-      </form>
+          id="code"
-    </>
+          label={t("code")}
+          variant="filled"
+          size="small"
+          fullWidth
+          margin="dense"
+          value={formValues.code}
+          onChange={updateField("code")}
+          error={Boolean(errors.code)}
+          helperText={errors.code}
+        />
+        <Button
+          type="submit"
+          variant="contained"
+          size="large"
+          sx={{ mt: 1 }}
+          fullWidth
+          disabled={submitting}
+        >
+          {t("submit")}
+        </Button>
+        {submitMessage && (
+          <Alert
+            severity={submitMessage.includes("failed") ? "error" : "success"}
+          >
+            {submitMessage}
+          </Alert>
+        )}
+      </Box>
+    </Box>
   );
 };

frontend/tailwind.config.js

@@ -0,0 +1,11 @@
+module.exports = {
+  content: [
+    "./index.html",
+    "./src/**/*.{js,jsx,ts,tsx}",
+    // add other paths if needed
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+};