import Foundation

@MainActor
final class ActivityService {
    static let shared = ActivityService()
    private let client = APIClient.shared

    func summary() async throws -> ActivitySummary {
        try await client.request("/activity/summary")
    }

    func heatmap() async throws -> [String: Int] {
        try await client.request("/activity/heatmap")
    }

    func trend(days: Int = 7) async throws -> [ActivityTrend] {
        try await client.request("/activity/trend?days=\(days)")
    }

    func streak() async throws -> ActivityStreak {
        let offset = TimeZone.current.secondsFromGMT() / 60
        return try await client.request("/activity/streak?tzOffset=\(offset)")
    }

    func recommendations() async throws -> [ActivityRecommendation] {
        try await client.request("/activity/recommendations")
    }
}