import Foundation

/// File formats that can be opened by `RDEpubURLReaderController`.
public enum RDReaderDocumentFormat: String, CaseIterable, Sendable {
    case epub
    case plainText = "txt"
    case mobi
    case cbz

    public init?(fileURL: URL) {
        self.init(rawValue: fileURL.pathExtension.lowercased())
    }

    public static func supports(_ fileURL: URL) -> Bool {
        RDReaderDocumentFormat(fileURL: fileURL) != nil
    }

    public static var supportedPathExtensions: Set<String> {
        Set(allCases.map(\.rawValue))
    }
}