Initial VTuber Awards implementation

frontend/src/stores/auth.ts

@@ -0,0 +1,68 @@
+import { defineStore } from 'pinia'
+
+import { AUTH_TOKEN_KEY, api } from '../lib/api'
+import type { AuthSession, LoginPayload } from '../types/awards'
+
+function readStoredToken() {
+  if (typeof window === 'undefined') return null
+  return window.localStorage.getItem(AUTH_TOKEN_KEY)
+}
+
+function writeStoredToken(token: string | null) {
+  if (typeof window === 'undefined') return
+
+  if (token) {
+    window.localStorage.setItem(AUTH_TOKEN_KEY, token)
+  } else {
+    window.localStorage.removeItem(AUTH_TOKEN_KEY)
+  }
+}
+
+export const useAuthStore = defineStore('auth', {
+  state: () => ({
+    session: null as AuthSession | null,
+    hydrated: false,
+    loading: false,
+  }),
+  getters: {
+    isLoggedIn: (state) => Boolean(state.session),
+    isAdmin: (state) => state.session?.role === 'admin',
+  },
+  actions: {
+    async hydrate() {
+      if (!readStoredToken()) {
+        this.hydrated = true
+        return
+      }
+
+      try {
+        this.session = await api.getSession()
+      } catch {
+        this.session = null
+        writeStoredToken(null)
+      } finally {
+        this.hydrated = true
+      }
+    },
+    async login(payload: LoginPayload) {
+      this.loading = true
+      try {
+        const session = await api.login(payload)
+        this.session = session
+        writeStoredToken(session.sessionToken)
+      } finally {
+        this.loading = false
+      }
+    },
+    async logout() {
+      this.loading = true
+      try {
+        await api.logout()
+      } finally {
+        this.session = null
+        writeStoredToken(null)
+        this.loading = false
+      }
+    },
+  },
+})