[Session] Refactor to prepare for V2 (#3781)

* Move types to another file

Co-authored-by: dan <dan.abramov@gmail.com>

* Move utilities out

Co-authored-by: dan <dan.abramov@gmail.com>

* Move PUBLIC_BSKY_AGENT

Co-authored-by: dan <dan.abramov@gmail.com>

* Move createPersistSessionHandler inline

Co-authored-by: dan <dan.abramov@gmail.com>

* Call configureModeration when clearing account too

This ensures that the app labelers get reset in a test environment.

Co-authored-by: dan <dan.abramov@gmail.com>

* Make guest configureModeration sync, non-guest async

* Extract isSessionExpired

Co-authored-by: dan <dan.abramov@gmail.com>

* Flip isSessionExpired condition

Co-authored-by: dan <dan.abramov@gmail.com>

* Extract agentToSessionAccount

Co-authored-by: dan <dan.abramov@gmail.com>

* Extract createAgent*

Co-authored-by: dan <dan.abramov@gmail.com>

* Simplify isSessionExpired

---------

Co-authored-by: Eric Bailey <git@esb.lol>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/state/session/types.ts b/src/state/session/types.ts
new file mode 100644
index 000000000..3c7e7d253
--- /dev/null
+++ b/src/state/session/types.ts
@@ -0,0 +1,65 @@
+import {LogEvents} from '#/lib/statsig/statsig'
+import {PersistedAccount} from '#/state/persisted'
+
+export type SessionAccount = PersistedAccount
+
+export type SessionState = {
+  isInitialLoad: boolean
+  isSwitchingAccounts: boolean
+  accounts: SessionAccount[]
+  currentAccount: SessionAccount | undefined
+}
+export type SessionStateContext = SessionState & {
+  hasSession: boolean
+}
+export type SessionApiContext = {
+  createAccount: (props: {
+    service: string
+    email: string
+    password: string
+    handle: string
+    inviteCode?: string
+    verificationPhone?: string
+    verificationCode?: string
+  }) => Promise<void>
+  login: (
+    props: {
+      service: string
+      identifier: string
+      password: string
+      authFactorToken?: string | undefined
+    },
+    logContext: LogEvents['account:loggedIn']['logContext'],
+  ) => Promise<void>
+  /**
+   * A full logout. Clears the `currentAccount` from session, AND removes
+   * access tokens from all accounts, so that returning as any user will
+   * require a full login.
+   */
+  logout: (
+    logContext: LogEvents['account:loggedOut']['logContext'],
+  ) => Promise<void>
+  /**
+   * A partial logout. Clears the `currentAccount` from session, but DOES NOT
+   * clear access tokens from accounts, allowing the user to return to their
+   * other accounts without logging in.
+   *
+   * Used when adding a new account, deleting an account.
+   */
+  clearCurrentAccount: () => void
+  initSession: (account: SessionAccount) => Promise<void>
+  resumeSession: (account?: SessionAccount) => Promise<void>
+  removeAccount: (account: SessionAccount) => void
+  selectAccount: (
+    account: SessionAccount,
+    logContext: LogEvents['account:loggedIn']['logContext'],
+  ) => Promise<void>
+  updateCurrentAccount: (
+    account: Partial<
+      Pick<
+        SessionAccount,
+        'handle' | 'email' | 'emailConfirmed' | 'emailAuthFactor'
+      >
+    >,
+  ) => void
+}