Yattee v2 rewrite

Yattee/Models/Caption.swift

@@ -0,0 +1,69 @@
+//
+//  Caption.swift
+//  Yattee
+//
+//  Model representing a video caption/subtitle track.
+//
+
+import Foundation
+
+/// Represents a caption/subtitle track for a video.
+struct Caption: Identifiable, Codable, Hashable, Sendable {
+    /// The display label (e.g., "English", "English (auto-generated)")
+    let label: String
+
+    /// The language code (e.g., "en", "de-DE", "es-419")
+    let languageCode: String
+
+    /// The URL to fetch the caption content
+    let url: URL
+
+    /// Whether this is an auto-generated caption
+    var isAutoGenerated: Bool {
+        label.contains("auto-generated")
+    }
+
+    /// The base language code without region (e.g., "en" from "en-US")
+    var baseLanguageCode: String {
+        if let hyphenIndex = languageCode.firstIndex(of: "-") {
+            return String(languageCode[..<hyphenIndex])
+        }
+        return languageCode
+    }
+
+    var id: String {
+        "\(languageCode):\(label)"
+    }
+
+    /// Formatted display name for the caption
+    var displayName: String {
+        // Try to get localized language name (AUTO badge shown separately in UI)
+        if let localizedName = Locale.current.localizedString(forLanguageCode: baseLanguageCode) {
+            return localizedName
+        }
+        // Strip "(auto-generated)" from label if present
+        return label.replacingOccurrences(of: " (auto-generated)", with: "")
+    }
+}
+
+// MARK: - Preview Data
+
+extension Caption {
+    /// A sample English caption for SwiftUI previews.
+    static var preview: Caption {
+        Caption(
+            label: "English",
+            languageCode: "en",
+            url: URL(string: "https://example.com/captions/en.vtt")!
+        )
+    }
+
+    /// A sample auto-generated caption for SwiftUI previews.
+    static var autoGeneratedPreview: Caption {
+        Caption(
+            label: "English (auto-generated)",
+            languageCode: "en",
+            url: URL(string: "https://example.com/captions/en-auto.vtt")!
+        )
+    }
+}