Yattee v2 rewrite

Yattee/Models/PlayerControls/LayoutPreset.swift

@@ -0,0 +1,110 @@
+//
+//  LayoutPreset.swift
+//  Yattee
+//
+//  A named preset containing a complete player controls layout.
+//
+
+import Foundation
+
+/// A named preset containing a complete player controls layout.
+struct LayoutPreset: Identifiable, Codable, Hashable, Sendable {
+    /// Unique identifier for this preset.
+    let id: UUID
+
+    /// User-visible name for the preset. Maximum 30 characters.
+    var name: String
+
+    /// When this preset was created.
+    let createdAt: Date
+
+    /// When this preset was last modified.
+    var updatedAt: Date
+
+    /// Whether this is a built-in preset (read-only).
+    let isBuiltIn: Bool
+
+    /// The device class this preset is for.
+    let deviceClass: DeviceClass
+
+    /// The complete player controls layout.
+    var layout: PlayerControlsLayout
+
+    // MARK: - Constants
+
+    /// Maximum length for preset names.
+    static let maxNameLength = 30
+
+    // MARK: - Initialization
+
+    /// Creates a new layout preset.
+    /// - Parameters:
+    ///   - id: Unique identifier. Defaults to a new UUID.
+    ///   - name: Preset name. Truncated to 30 characters.
+    ///   - createdAt: Creation date. Defaults to now.
+    ///   - updatedAt: Last modified date. Defaults to now.
+    ///   - isBuiltIn: Whether this is a built-in preset.
+    ///   - deviceClass: Device class for this preset. Defaults to current.
+    ///   - layout: The player controls layout.
+    init(
+        id: UUID = UUID(),
+        name: String,
+        createdAt: Date = Date(),
+        updatedAt: Date = Date(),
+        isBuiltIn: Bool = false,
+        deviceClass: DeviceClass = .current,
+        layout: PlayerControlsLayout
+    ) {
+        self.id = id
+        self.name = String(name.prefix(Self.maxNameLength))
+        self.createdAt = createdAt
+        self.updatedAt = updatedAt
+        self.isBuiltIn = isBuiltIn
+        self.deviceClass = deviceClass
+        self.layout = layout
+    }
+
+    // MARK: - Mutation
+
+    /// Creates a copy of this preset with updated layout and timestamp.
+    /// - Parameter layout: The new layout.
+    /// - Returns: A new preset with the updated layout.
+    func withUpdatedLayout(_ layout: PlayerControlsLayout) -> LayoutPreset {
+        var updated = self
+        updated.layout = layout
+        updated.updatedAt = Date()
+        return updated
+    }
+
+    /// Creates a copy of this preset with a new name.
+    /// - Parameter name: The new name.
+    /// - Returns: A new preset with the updated name.
+    func renamed(to name: String) -> LayoutPreset {
+        var updated = self
+        updated.name = String(name.prefix(Self.maxNameLength))
+        updated.updatedAt = Date()
+        return updated
+    }
+
+    /// Creates a duplicate of this preset as a custom (non-built-in) preset.
+    /// - Parameter name: Name for the duplicate.
+    /// - Returns: A new custom preset with the same layout.
+    func duplicate(name: String) -> LayoutPreset {
+        LayoutPreset(
+            name: name,
+            isBuiltIn: false,
+            deviceClass: deviceClass,
+            layout: layout
+        )
+    }
+}
+
+// MARK: - Equatable
+
+extension LayoutPreset: Equatable {
+    static func == (lhs: LayoutPreset, rhs: LayoutPreset) -> Bool {
+        lhs.id == rhs.id &&
+        lhs.name == rhs.name &&
+        lhs.updatedAt == rhs.updatedAt
+    }
+}