feat: support changing quest language

app/src/components/QuestIntro.vue

@@ -5,8 +5,9 @@ import { useToast } from 'vue-toastification'
 import { ref, defineProps, onMounted } from 'vue'
 import MarkdownText from './MarkdownText.vue'
 import { trpc } from '../utils/trpc'
+import { SUPPORTED_LOCALES } from '../../../packages/constants'
 
-const { t } = useI18n()
+const { t, locale } = useI18n()
 
 const props = defineProps({
   questTitle: {
@@ -52,8 +53,15 @@ const handleColour = () => {
   }
 }
 onMounted(async () => {
-  const quest = await trpc.quests.getQuestDetail.query(questId)
-  questInstruction.value = quest.instruction
+  try {
+    const quest = await trpc.quests.getQuestDetail.query({
+      questId,
+      locale: locale.value,
+    })
+    questInstruction.value = quest.instruction
+  } catch (error) {
+    toast.error('Failed to load quest detail:', error)
+  }
   handleColour()
 })
 </script>

app/src/components/QuestMap.vue

@@ -2,12 +2,13 @@
 import { useI18n } from 'vue-i18n'
 import { ref, onMounted, watch, computed } from 'vue'
 import { useToast } from 'vue-toastification'
+import { SUPPORTED_LOCALES } from '../../../packages/constants'
 import { DAG } from '../../../packages/utils'
 import { trpc } from '../utils/trpc'
 import useUserProfile from '../store/userProfile'
 import QuestIntro from './QuestIntro.vue'
 
-const { t } = useI18n()
+const { t, locale } = useI18n()
 const store = useUserProfile()
 const toast = useToast()
 
@@ -66,7 +67,8 @@ async function computeGraphData() {
   if (!store.progress) return
 
   try {
-    const quests = await trpc.quests.getQuests.query()
+    const quests = await trpc.quests.getQuests.query({ locale: locale.value })
+
     const dag = new DAG(quests)
     const nodesValues = dag.getNodes()
 
@@ -117,6 +119,11 @@ onMounted(async () => {
 })
 
 watch(() => store.progress, computeGraphData, { deep: true })
+watch(locale, () => {
+  opened.value = null
+  // eslint-disable-next-line no-void
+  void computeGraphData()
+})
 
 const curvedPath = computed(() => {
   return (source: Node, target: Node) => {

app/src/components/game/ControlPalette.vue

@@ -4,15 +4,44 @@ import { useRouter } from 'vue-router'
 import { useToast } from 'vue-toastification'
 import { useSession } from '../../store/session'
 import { openBugReport, openQuestSurvey } from '../../utils/formbricks'
+import { trpc } from '../../utils/trpc'
+import type { QuestLocale } from '../../../../packages/constants'
 
-const { t } = useI18n()
+const { t, locale } = useI18n()
+const toast = useToast()
 
 const router = useRouter()
 const sessionStore = useSession()
 const reset = async () => {
   console.log('resetting...')
-  await sessionStore.createSession()
+  const selectedLocale = locale.value as QuestLocale
+  const questId = sessionStore.session?.quest
+
+  if (!questId) return
+
+  try {
+    const quests = await trpc.quests.getQuests.query({
+      locale: selectedLocale,
+    })
+
+    console.log({
+      selectedLocale,
+      questId,
+      availableQuestIds: quests.map((quest) => quest.id),
+    })
+
+    if (!quests.some((quest) => quest.id === questId)) {
+      toast.warning(t('game.language_unavailable'))
+      return
+    }
+
+    await sessionStore.createSession(selectedLocale)
+  } catch (error) {
+    console.error('Failed to reset quest:', error)
+    toast.error(t('game.reset_failed'))
+  }
 }
+
 const continuePlay = async () => {
   try {
     router.push({ name: 'map' })

app/src/components/game/StartButton.vue

@@ -3,8 +3,9 @@ import { useI18n } from 'vue-i18n'
 import { useToast } from 'vue-toastification'
 import { computed } from 'vue'
 import { useSession } from '../../store/session'
+import { SUPPORTED_LOCALES } from '../../../../packages/constants'
 
-const { t } = useI18n()
+const { t, locale } = useI18n()
 
 const toast = useToast()
 const sessionStore = useSession()
@@ -13,7 +14,7 @@ const showCover = computed(() => sessionStore.session === null)
 
 const startSession = async () => {
   try {
-    await sessionStore.createSession()
+    await sessionStore.createSession(locale.value)
   } catch (err: any) {
     console.error(err)
     toast.error(err.message)

app/src/components/header/LanguageSelector.vue

@@ -1,12 +1,17 @@
 <script setup lang="ts">
 import { useI18n } from 'vue-i18n'
-import { setLocale, type SupportedLocale } from '../../i18n'
+import { setLocale } from '../../i18n'
+import type { QuestLocale } from '../../../../packages/constants'
+import {
+  SUPPORTED_LOCALES,
+  LOCALE_NAME_MAP,
+} from '../../../../packages/constants'
 
-const { locale } = useI18n({ useScope: 'global' })
+const { t, locale } = useI18n({ useScope: 'global' })
 
 function changeLanguage(event: Event) {
   const selectedLocale = (event.target as HTMLSelectElement)
-    .value as SupportedLocale
+    .value as QuestLocale
 
   setLocale(selectedLocale)
 }
@@ -15,12 +20,14 @@ function changeLanguage(event: Event) {
 <template>
   <select
     :value="locale"
+    :title="t('language.change')"
     class="bg-bg-secondary px-3 py-2 text-sm text-text shadow-md outline-none"
     aria-label="Language"
     @change="changeLanguage"
     style="font-size: 2vh"
   >
-    <option value="en">English</option>
-    <option value="zh-TW">繁體中文</option>
+    <option v-for="locale in SUPPORTED_LOCALES" :key="locale" :value="locale">
+      {{ LOCALE_NAME_MAP[locale] }}
+    </option>
   </select>
 </template>

app/src/i18n/index.ts

@@ -1,16 +1,14 @@
 import { createI18n } from 'vue-i18n'
+import type { QuestLocale } from '../../../packages/constants'
+import { SUPPORTED_LOCALES } from '../../../packages/constants'
 import en from './locales/en.json'
 import zhTW from './locales/zh-TW.json'
 
-export const supportedLocales = ['zh-TW', 'en'] as const
-
-export type SupportedLocale = (typeof supportedLocales)[number]
-
-function isSupportedLocale(locale: string): locale is SupportedLocale {
-  return supportedLocales.includes(locale as SupportedLocale)
+function isSupportedLocale(locale: string): locale is QuestLocale {
+  return SUPPORTED_LOCALES.includes(locale as QuestLocale)
 }
 
-function getInitialLocale(): SupportedLocale {
+function getInitialLocale(): QuestLocale {
   const savedLocale = localStorage.getItem('locale')
 
   if (savedLocale && isSupportedLocale(savedLocale)) {
@@ -34,7 +32,7 @@ export const i18n = createI18n({
   },
 })
 
-export function setLocale(locale: SupportedLocale) {
+export function setLocale(locale: QuestLocale) {
   i18n.global.locale.value = locale
   localStorage.setItem('locale', locale)
   document.documentElement.lang = locale

app/src/i18n/locales/en.json

@@ -1,8 +1,6 @@
 {
   "language": {
-    "change": "Change language",
-    "traditional_chinese": "繁體中文",
-    "english": "English"
+    "change": "Change language"
   },
   "landing_nav": {
     "intro": "Introduction",
@@ -102,6 +100,9 @@
     "reset": "Reset",
     "continue": "Continue",
     "command_book": "Command Book",
-    "cheatsheets": "Cheat Sheets"
+    "cheatsheets": "Cheat Sheets",
+    "reset_to_apply_language": "Reset quest to apply language changes",
+    "reset_failed": "Reset failed",
+    "language_unavailable": "This quest does not support the selected language, please choose another language"
   }
 }

app/src/i18n/locales/zh-TW.json

@@ -1,8 +1,6 @@
 {
   "language": {
-    "change": "切換語言",
-    "traditional_chinese": "繁體中文",
-    "english": "English"
+    "change": "切換語言"
   },
   "landing_nav": {
     "intro": "前言",
@@ -102,6 +100,9 @@
     "reset": "重置",
     "continue": "繼續",
     "command_book": "指令之書",
-    "cheatsheets": "指令列表"
+    "cheatsheets": "指令列表",
+    "reset_to_apply_language": "重置關卡以套用語言變更",
+    "reset_failed": "重置失敗",
+    "language_unavailable": "此關卡不支援所選語言，請選擇其他語言"
   }
 }

app/src/store/session.ts

@@ -1,4 +1,5 @@
 import { defineStore } from 'pinia'
+import type { QuestLocale } from '../../../packages/constants'
 import {
   FileGraph,
   type FileGraphUpdateEvent,
@@ -41,11 +42,16 @@ export const useSession = defineStore('session', {
     quest: null,
   }),
   actions: {
-    async setQuest(questId: string) {
-      this.quest = await trpc.quests.getQuestDetail.query(questId)
+    async setQuest(questId: string, locale: QuestLocale) {
+      this.quest = await trpc.quests.getQuestDetail.query({
+        questId,
+        locale,
+      })
       this.questId = questId
     },
     async setSession(session: SessionDetail) {
+      await this.setQuest(session.quest, session.locale)
+
       this.session = {
         ...session,
         graph: new FileGraph(session.graph),
@@ -59,19 +65,18 @@ export const useSession = defineStore('session', {
       )
       term.focus()
     },
-    async createSession() {
+    async createSession(locale: QuestLocale) {
       const session = await trpc.session.createSession.mutate({
         questId: this.questId,
+        locale,
       })
       await this.setSession(session)
       term.send('echo start\n')
     },
-    async getActiveSession() {
-      const session = await trpc.session.getActiveSession.query({
-        questId: this.questId,
-      })
+    async getActiveSession(questId: string) {
+      const session = await trpc.session.getActiveSession.query({ questId })
       if (session) {
-        this.setSession(session)
+        await this.setSession(session)
       }
     },
     newUpdate(update: SessionUpdate) {

app/src/views/GamePage.vue

@@ -1,4 +1,6 @@
 <script setup lang="ts">
+import { useI18n } from 'vue-i18n'
+import { useToast } from 'vue-toastification'
 import { computed, onMounted, watch } from 'vue'
 import { useSession } from '../store/session'
 import useUserProfile from '../store/userProfile'
@@ -13,6 +15,8 @@ import CompleteModal from '../components/game/CompleteModal.vue'
 import StartButton from '../components/game/StartButton.vue'
 import { openQuestSurvey } from '../utils/formbricks'
 
+const { t, locale } = useI18n()
+const toast = useToast()
 const sessionStore = useSession()
 const userStore = useUserProfile()
 
@@ -27,6 +31,13 @@ watch(completed, (newValue, oldValue) => {
   }
 })
 
+watch(locale, (newLocale) => {
+  const { session } = sessionStore
+  if (session && newLocale !== session.locale) {
+    toast.info(t('game.reset_to_apply_language'))
+  }
+})
+
 const props = defineProps({
   questId: {
     type: String,
@@ -37,8 +48,12 @@ const props = defineProps({
 onMounted(async () => {
   sessionStore.reset()
   sessionStore.setup()
-  await sessionStore.setQuest(props.questId)
-  await sessionStore.getActiveSession()
+
+  await sessionStore.getActiveSession(props.questId)
+
+  if (!sessionStore.session) {
+    await sessionStore.setQuest(props.questId, locale.value)
+  }
 })
 </script>