import Foundation

extension SharingState {
    static func reducer(state: inout SharingState, action: SharingAction) {
        switch action {
        case .showSharing(let shown):
            state.sharingShown = shown

        case .setCameraAccess(let granted):
            state.isCameraAccessGranted = granted

        case .setGalleryAccess(let granted):
            state.isGalleryAccessGranted = granted

        case .cameraCaptured(let media, let type):
            state.cameraCapturedMedia = media
            state.cameraCapturedMediaType = type

        case .flushCameraCaptured:
            state.cameraCapturedMedia = Data()
            state.cameraCapturedMediaType = .photo

        case .galleryFetched(let items):
            state.galleryItems = items

        case .thumbnailUpdated(let thumbnailData, let id):
            guard let index = state.galleryItems.firstIndex(where: { $0.id == id }) else {
                return
            }
            state.galleryItems[index].thumbnail = thumbnailData

        default:
            break
        }
    }
}