import Foundation

/// A camera slot: named position (A-Cam, B-Cam...) bound to a driver.
public struct CameraSlot: Identifiable, Sendable {
    public let id: UUID
    public var name: String
    public let driver: any CameraDriver

    public init(id: UUID = UUID(), name: String, driver: any CameraDriver) {
        self.id = id
        self.name = name
        self.driver = driver
    }
}

/// Registry of active camera slots.
public actor SlotRegistry {
    public private(set) var slots: [CameraSlot] = []

    public init() {}

    @discardableResult
    public func addSlot(name: String, driver: any CameraDriver) -> CameraSlot {
        let slot = CameraSlot(name: name, driver: driver)
        slots.append(slot)
        return slot
    }

    public func removeSlot(id: UUID) {
        slots.removeAll { $0.id == id }
    }

    public func slot(id: UUID) -> CameraSlot? {
        slots.first { $0.id == id }
    }

    public func slot(named name: String) -> CameraSlot? {
        slots.first { $0.name == name }
    }
}