feat: pick username

* put new registered social login user to session data
* ask to choose username
* simplify checkUsername functions

app/src/components/AuthenticationPart.vue

@@ -34,7 +34,7 @@ const handleLogin = async () => {
   try {
     const isSuccess = await login(username.value, password.value)
     if (isSuccess) success()
-    else errorMessage.value = 'Invalid username or password.'
+    else errorMessage.value = 'Wrong username or password.'
   } catch (err) {
     console.error(err)
     errorMessage.value = 'Something went wrong.'
@@ -47,20 +47,18 @@ async function check() {
     const res = await api.get('/auth/check-username', {
       params: { username: user },
     })
-    // user not exists, try register
-    const { type } = res.data
-    if (type === 'email') {
-      email.value = user
-      username.value = ''
-    }
-    isRegister.value = true
-    usernameInput.value.focus()
-  } catch (err) {
-    if (err.response?.status === 409) {
-      // user already exists, try login
+    const { type, available } = res.data
+    if (available) {
+      if (type === 'email') {
+        email.value = user
+        username.value = ''
+      }
+      isRegister.value = true
+      usernameInput.value.focus()
+    } else {
       await handleLogin()
-      return
     }
+  } catch (err) {
     if (err.response?.status === 400) {
       errorMessage.value = 'Invalid username or email.'
       return

app/src/components/UsernameForm.vue

@@ -0,0 +1,82 @@
+<script setup>
+import { ref } from 'vue'
+import { useRouter } from 'vue-router'
+import api from '../utils/api'
+
+const username = ref('')
+const errorMessage = ref('')
+const router = useRouter()
+
+async function checkUsername() {
+  const user = username.value.trim()
+  errorMessage.value = ''
+  if (user.length > 3) {
+    try {
+      const { data } = await api.get('/auth/check-username', {
+        params: { username: user },
+      })
+
+      const { available } = data
+      if (!available) {
+        errorMessage.value = 'Username is already taken.'
+      } else {
+        errorMessage.value = ''
+      }
+    } catch {
+      errorMessage.value = 'Invalid username.'
+    }
+  }
+}
+
+async function handleSubmit() {
+  if (errorMessage.value) {
+    return
+  }
+  try {
+    const { data } = await api.post('/auth/register-from-session', {
+      username: username.value.trim(),
+    })
+    console.log(data)
+    router.push({ name: 'game' })
+  } catch (err) {
+    console.error(err.message)
+    if (err.response?.status === 409) {
+      errorMessage.value = 'Username is already taken.'
+    } else {
+      errorMessage.value = 'Something went wrong.'
+    }
+  }
+}
+</script>
+<template>
+  <div
+    class="bg-background border-8 border-background-primary flex flex-1 flex-col items-center justify-center rounded-3xl p-10"
+  >
+    <h1 class="text-text-primary text-3xl font-black mb-8">Choose username</h1>
+    <form @submit.prevent="handleSubmit" class="w-full">
+      <div class="mb-6">
+        <label for="username" class="text-sm font-semibold text-text"
+          >Username</label
+        ><input
+          type="text"
+          id="username"
+          ref="usernameInput"
+          class="my-4 bg-background-primary text-text-primary bg- rounded-md block w-full px-3 h-10 shadow-sm focus:outline-none placeholder:text-text-line focus:ring-2 focus:ring-text-primary ring-1 ring-background-secondary"
+          placeholder="Enter your email or username"
+          v-model="username"
+          @input="checkUsername"
+          autocomplete="username"
+        />
+      </div>
+      <p class="text-red-500 flex justify-center" v-if="errorMessage">
+        {{ errorMessage }}
+      </p>
+      <button
+        class="inline-flex justify-center rounded-lg text-sm font-black py-2 mt-3 bg-text-primary text-background w-full"
+        type="submit"
+      >
+        <span>Sign up</span>
+      </button>
+    </form>
+  </div>
+</template>