feat: add multi-account support

Implements: https://todo.sr.ht/~ccleberg/hutch/49
Implements: https://todo.sr.ht/~ccleberg/hutch/50
Implements: https://todo.sr.ht/~ccleberg/hutch/51

3 files changed, 89 insertions, 21 deletions

diff --git a/Shared/ContributionWidgetContext.swift b/Shared/ContributionWidgetContext.swift
index 2404698..33fed77 100644
--- a/Shared/ContributionWidgetContext.swift
+++ b/Shared/ContributionWidgetContext.swift
@@ -11,8 +11,11 @@ enum ContributionWidgetContextStore {
     private static let actorKey = "contributionWidget.actor"
     private static let enabledKey = "contributionWidget.enabled"
 
-    static func loadActor(defaults: UserDefaults? = sharedDefaults()) -> String? {
-        defaults?.string(forKey: actorKey)
+    static func loadActor(
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) -> String? {
+        defaults?.string(forKey: scopedActorKey(for: accountID))
     }
 
     static func isEnabled(defaults: UserDefaults? = sharedDefaults()) -> Bool {
@@ -24,13 +27,20 @@ enum ContributionWidgetContextStore {
         reloadWidgetTimelines()
     }
 
-    static func saveActor(_ actor: String, defaults: UserDefaults? = sharedDefaults()) {
-        defaults?.set(actor, forKey: actorKey)
+    static func saveActor(
+        _ actor: String,
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) {
+        defaults?.set(actor, forKey: scopedActorKey(for: accountID))
         reloadWidgetTimelines()
     }
 
-    static func clear(defaults: UserDefaults? = sharedDefaults()) {
-        defaults?.removeObject(forKey: actorKey)
+    static func clear(
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) {
+        defaults?.removeObject(forKey: scopedActorKey(for: accountID))
         reloadWidgetTimelines()
     }
 
@@ -38,6 +48,11 @@ enum ContributionWidgetContextStore {
         UserDefaults(suiteName: HutchAppGroup.identifier)
     }
 
+    private static func scopedActorKey(for accountID: String?) -> String {
+        guard let accountID, !accountID.isEmpty else { return actorKey }
+        return "\(actorKey).\(accountID)"
+    }
+
     private static func reloadWidgetTimelines() {
         #if canImport(WidgetKit)
         WidgetCenter.shared.reloadTimelines(ofKind: ContributionGraphWidgetConfiguration.kind)
diff --git a/Shared/NeedsAttentionSnapshot.swift b/Shared/NeedsAttentionSnapshot.swift
index f386af6..d4c581c 100644
--- a/Shared/NeedsAttentionSnapshot.swift
+++ b/Shared/NeedsAttentionSnapshot.swift
@@ -7,6 +7,26 @@ enum HutchAppGroup {
     static let identifier = "group.net.cleberg.Hutch"
 }
 
+enum ActiveAccountContextStore {
+    private static let activeAccountIDKey = "activeAccount.id"
+
+    static func load(defaults: UserDefaults? = sharedDefaults()) -> String? {
+        defaults?.string(forKey: activeAccountIDKey)
+    }
+
+    static func save(_ accountID: String, defaults: UserDefaults? = sharedDefaults()) {
+        defaults?.set(accountID, forKey: activeAccountIDKey)
+    }
+
+    static func clear(defaults: UserDefaults? = sharedDefaults()) {
+        defaults?.removeObject(forKey: activeAccountIDKey)
+    }
+
+    private static func sharedDefaults() -> UserDefaults? {
+        UserDefaults(suiteName: HutchAppGroup.identifier)
+    }
+}
+
 enum NeedsAttentionWidgetConfiguration {
     static let kind = "NeedsAttentionWidget"
 }
@@ -37,22 +57,29 @@ struct NeedsAttentionSnapshot: Codable, Sendable {
 enum NeedsAttentionSnapshotStore {
     private static let snapshotKey = "needsAttention.snapshot"
 
-    static func load(defaults: UserDefaults? = sharedDefaults()) -> NeedsAttentionSnapshot? {
+    static func load(
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) -> NeedsAttentionSnapshot? {
         guard let defaults,
-              let data = defaults.data(forKey: snapshotKey) else {
+              let data = defaults.data(forKey: scopedKey(for: accountID)) else {
             return nil
         }
 
         return try? JSONDecoder().decode(NeedsAttentionSnapshot.self, from: data)
     }
 
-    static func save(_ snapshot: NeedsAttentionSnapshot, defaults: UserDefaults? = sharedDefaults()) {
+    static func save(
+        _ snapshot: NeedsAttentionSnapshot,
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) {
         guard let defaults,
               let data = try? JSONEncoder().encode(snapshot) else {
             return
         }
 
-        defaults.set(data, forKey: snapshotKey)
+        defaults.set(data, forKey: scopedKey(for: accountID))
         reloadWidgetTimelines()
     }
 
@@ -60,23 +87,25 @@ enum NeedsAttentionSnapshotStore {
         unreadInboxThreads: Int? = nil,
         assignedOpenTickets: Int? = nil,
         failedBuilds: Int? = nil,
+        accountID: String? = ActiveAccountContextStore.load(),
         defaults: UserDefaults? = sharedDefaults()
     ) {
-        let existing = load(defaults: defaults)
+        let existing = load(accountID: accountID, defaults: defaults)
         let snapshot = NeedsAttentionSnapshot(
             unreadInboxThreads: unreadInboxThreads ?? existing?.unreadInboxThreads,
             assignedOpenTickets: assignedOpenTickets ?? existing?.assignedOpenTickets,
             failedBuilds: failedBuilds ?? existing?.failedBuilds,
             updatedAt: .now
         )
-        save(snapshot, defaults: defaults)
+        save(snapshot, accountID: accountID, defaults: defaults)
     }
 
     static func adjustUnreadInboxThreads(
         by delta: Int,
+        accountID: String? = ActiveAccountContextStore.load(),
         defaults: UserDefaults? = sharedDefaults()
     ) {
-        guard let existing = load(defaults: defaults),
+        guard let existing = load(accountID: accountID, defaults: defaults),
               let unreadInboxThreads = existing.unreadInboxThreads else {
             return
         }
@@ -88,12 +117,16 @@ enum NeedsAttentionSnapshotStore {
                 failedBuilds: existing.failedBuilds,
                 updatedAt: .now
             ),
+            accountID: accountID,
             defaults: defaults
         )
     }
 
-    static func clear(defaults: UserDefaults? = sharedDefaults()) {
-        defaults?.removeObject(forKey: snapshotKey)
+    static func clear(
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) {
+        defaults?.removeObject(forKey: scopedKey(for: accountID))
         reloadWidgetTimelines()
     }
 
@@ -101,6 +134,11 @@ enum NeedsAttentionSnapshotStore {
         UserDefaults(suiteName: HutchAppGroup.identifier)
     }
 
+    private static func scopedKey(for accountID: String?) -> String {
+        guard let accountID, !accountID.isEmpty else { return snapshotKey }
+        return "\(snapshotKey).\(accountID)"
+    }
+
     private static func reloadWidgetTimelines() {
         #if canImport(WidgetKit)
         WidgetCenter.shared.reloadTimelines(ofKind: NeedsAttentionWidgetConfiguration.kind)
diff --git a/Shared/SystemStatusWidgetSnapshot.swift b/Shared/SystemStatusWidgetSnapshot.swift
index 8489547..0b19365 100644
--- a/Shared/SystemStatusWidgetSnapshot.swift
+++ b/Shared/SystemStatusWidgetSnapshot.swift
@@ -33,25 +33,35 @@ struct SystemStatusWidgetSnapshot: Codable, Sendable {
 enum SystemStatusWidgetSnapshotStore {
     private static let snapshotKey = "systemStatus.widgetSnapshot"
 
-    static func load(defaults: UserDefaults? = sharedDefaults()) -> SystemStatusWidgetSnapshot? {
+    static func load(
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) -> SystemStatusWidgetSnapshot? {
         guard let defaults,
-              let data = defaults.data(forKey: snapshotKey) else {
+              let data = defaults.data(forKey: scopedKey(for: accountID)) else {
             return nil
         }
         return try? JSONDecoder().decode(SystemStatusWidgetSnapshot.self, from: data)
     }
 
-    static func save(_ snapshot: SystemStatusWidgetSnapshot, defaults: UserDefaults? = sharedDefaults()) {
+    static func save(
+        _ snapshot: SystemStatusWidgetSnapshot,
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) {
         guard let defaults,
               let data = try? JSONEncoder().encode(snapshot) else {
             return
         }
-        defaults.set(data, forKey: snapshotKey)
+        defaults.set(data, forKey: scopedKey(for: accountID))
         reloadWidgetTimelines()
     }
 
-    static func clear(defaults: UserDefaults? = sharedDefaults()) {
-        defaults?.removeObject(forKey: snapshotKey)
+    static func clear(
+        accountID: String? = ActiveAccountContextStore.load(),
+        defaults: UserDefaults? = sharedDefaults()
+    ) {
+        defaults?.removeObject(forKey: scopedKey(for: accountID))
         reloadWidgetTimelines()
     }
 
@@ -59,6 +69,11 @@ enum SystemStatusWidgetSnapshotStore {
         UserDefaults(suiteName: HutchAppGroup.identifier)
     }
 
+    private static func scopedKey(for accountID: String?) -> String {
+        guard let accountID, !accountID.isEmpty else { return snapshotKey }
+        return "\(snapshotKey).\(accountID)"
+    }
+
     private static func reloadWidgetTimelines() {
         #if canImport(WidgetKit)
         WidgetCenter.shared.reloadTimelines(ofKind: SystemStatusWidgetConfiguration.kind)