import CoreCommon
import CoreDomain
import CoreModel

/// Fake 个人资料仓库（骨架阶段返回假数据）。
public struct FakeProfileRepository: ProfileRepository {
    public init() {}

    public func observeProfile() -> AsyncThrowingStream<UserProfile, Error> {
        AsyncThrowingStream { continuation in
            let task = Task {
                do {
                    try await Task.sleep(for: .milliseconds(400))
                    try Task.checkCancellation()
                    Logger.info("FakeProfileRepository 返回假数据")
                    continuation.yield(Self.fakeData)
                    continuation.finish()
                } catch {
                    continuation.finish(throwing: error)
                }
            }
            continuation.onTermination = { _ in task.cancel() }
        }
    }

    private static let fakeData = UserProfile(
        displayName: "张三",
        name: "张三",
        studentId: "20260001",
        phone: "138****1234",
        role: "成员",
        group: "进阶一组",
        loginType: "手机号",
        avatarUrl: nil,
        classGroups: [
            ClassGroup(period: "2026 秋季", group: "进阶一组", role: "成员"),
            ClassGroup(period: "2026 春季", group: "进阶二组", role: "组长"),
        ]
    )
}