//
//  OperationError.swift
//  AltStore
//
//  Created by Riley Testut on 6/7/19.
//  Copyright © 2019 Riley Testut. All rights reserved.
//

import Foundation
import AltSign

enum OperationError: LocalizedError
{
    case unknown
    case unknownResult
    case cancelled
    
    case notAuthenticated
    case appNotFound
    
    case unknownUDID
    
    case invalidApp
    case invalidParameters
    
    case iOSVersionNotSupported(ALTApplication)
    
    case noSources
    
    var errorDescription: String? {
        switch self {
        case .unknown: return NSLocalizedString("An unknown error occured.", comment: "")
        case .unknownResult: return NSLocalizedString("The operation returned an unknown result.", comment: "")
        case .cancelled: return NSLocalizedString("The operation was cancelled.", comment: "")
        case .notAuthenticated: return NSLocalizedString("You are not signed in.", comment: "")
        case .appNotFound: return NSLocalizedString("App not found.", comment: "")
        case .unknownUDID: return NSLocalizedString("Unknown device UDID.", comment: "")
        case .invalidApp: return NSLocalizedString("The app is invalid.", comment: "")
        case .invalidParameters: return NSLocalizedString("Invalid parameters.", comment: "")
        case .noSources: return NSLocalizedString("There are no AltStore sources.", comment: "")
        case .iOSVersionNotSupported(let app):
            let name = app.name
            
            var version = "iOS \(app.minimumiOSVersion.majorVersion).\(app.minimumiOSVersion.minorVersion)"
            if app.minimumiOSVersion.patchVersion > 0
            {
                version += ".\(app.minimumiOSVersion.patchVersion)"
            }
            
            let localizedDescription = String(format: NSLocalizedString("%@ requires %@.", comment: ""), name, version)
            return localizedDescription
        }
    }
}