import SwiftUI
import WidgetKit

/// 语记复杂功能：显示今日速记数，点一下打开手表 App 开始录音。
/// 放进 Widget Extension target；今日数读的是手表本地 UserDefaults（与 WatchSessionManager 共用 key）。
struct YuJiEntry: TimelineEntry {
    let date: Date
    let count: Int
}

struct YuJiProvider: TimelineProvider {
    func placeholder(in context: Context) -> YuJiEntry {
        YuJiEntry(date: Date(), count: 3)
    }

    func getSnapshot(in context: Context, completion: @escaping (YuJiEntry) -> Void) {
        completion(YuJiEntry(date: Date(), count: WatchSessionManager.loadTodayCount()))
    }

    func getTimeline(in context: Context, completion: @escaping (Timeline<YuJiEntry>) -> Void) {
        let entry = YuJiEntry(date: Date(), count: WatchSessionManager.loadTodayCount())
        let nextMidnight = Calendar.current.startOfDay(for: Date().addingTimeInterval(86400))
        completion(Timeline(entries: [entry], policy: .after(nextMidnight)))
    }
}

struct YuJiComplicationView: View {
    @Environment(\.widgetFamily) private var family
    var entry: YuJiEntry

    var body: some View {
        switch family {
        case .accessoryCircular:
            ZStack {
                AccessoryWidgetBackground()
                VStack(spacing: 0) {
                    Image(systemName: "mic.fill").font(.caption2)
                    Text("\(entry.count)").font(.headline)
                }
            }
        case .accessoryRectangular:
            HStack {
                Image(systemName: "mic.fill")
                VStack(alignment: .leading) {
                    Text("语记").font(.caption2)
                    Text("今日 \(entry.count) 条").font(.caption)
                }
            }
        default:
            HStack(spacing: 2) {
                Image(systemName: "mic.fill").font(.caption2)
                Text("\(entry.count)").font(.caption)
            }
        }
    }
}

struct YuJiComplicationWidget: Widget {
    var body: some WidgetConfiguration {
        StaticConfiguration(kind: "YuJiComplication", provider: YuJiProvider()) { entry in
            YuJiComplicationView(entry: entry)
        }
        .configurationDisplayName("语记")
        .description("今日速记数，点一下开始录音")
        .supportedFamilies([.accessoryCircular, .accessoryRectangular, .accessoryInline])
    }
}

@main
struct YuJiWidgets: WidgetBundle {
    var body: some Widget {
        YuJiComplicationWidget()
    }
}