import Foundation

public enum CustomError: Error {
    case appIdMissing
    case bundleAlreadyExists
    case bundleIdMissing
    case bundleIndexHtmlMissing
    case bundleNotFound
    case channelDiscoveryNotEnabled
    case channelMissing
    case checksumCalculationFailed
    case checksumMismatch
    case customIdMissing
    case downloadFailed
    case httpTimeout
    case signatureMissing
    case signatureVerificationFailed
    case syncInProgress
    case unknown
    case urlMissing
}

extension CustomError: LocalizedError {
    public var errorDescription: String? {
        switch self {
        case .appIdMissing:
            return NSLocalizedString("appId must be configured.", comment: "appIdMissing")
        case .bundleAlreadyExists:
            return NSLocalizedString("bundle already exists.", comment: "bundleAlreadyExists")
        case .bundleIdMissing:
            return NSLocalizedString("bundleId must be provided.", comment: "bundleIdMissing")
        case .bundleIndexHtmlMissing:
            return NSLocalizedString("The bundle does not contain an index.html file.", comment: "bundleIndexHtmlMissing")
        case .bundleNotFound:
            return NSLocalizedString("bundle not found.", comment: "bundleNotFound")
        case .channelDiscoveryNotEnabled:
            return NSLocalizedString("Unauthorized. Channel Discovery may not be enabled for this app.", comment: "channelDiscoveryNotEnabled")
        case .channelMissing:
            return NSLocalizedString("channel must be provided.", comment: "channelMissing")
        case .checksumCalculationFailed:
            return NSLocalizedString("Failed to calculate checksum.", comment: "checksumCalculationFailed")
        case .checksumMismatch:
            return NSLocalizedString("Checksum mismatch.", comment: "checksumMismatch")
        case .customIdMissing:
            return NSLocalizedString("customId must be provided.", comment: "customIdMissing")
        case .downloadFailed:
            return NSLocalizedString("Bundle could not be downloaded.", comment: "downloadFailed")
        case .httpTimeout:
            return NSLocalizedString("Request timed out.", comment: "httpTimeout")
        case .signatureMissing:
            return NSLocalizedString("Bundle does not contain a signature.", comment: "signatureMissing")
        case .signatureVerificationFailed:
            return NSLocalizedString("Signature verification failed.", comment: "signatureVerificationFailed")
        case .syncInProgress:
            return NSLocalizedString("Sync is already in progress.", comment: "syncInProgress")
        case .unknown:
            return NSLocalizedString("An unknown error occurred.", comment: "unknown")
        case .urlMissing:
            return NSLocalizedString("url must be provided.", comment: "urlMissing")
        }
    }
}