//
//  ImagiumError.swift
//  
//
//  Created by Thibaut Schmitt on 24/01/2022.
//

import Foundation

enum ImagiumError: Error {
    case inputFolderNotFound(String)
    case fileNotExists(String)
    case unknownImageExtension(String)
    case getFileAttributed(String, String)
    case rsvgConvertNotFound
    case writeFile(String, String)
    case unknown(String)
    
    var localizedDescription: String {
        switch self {
        case .inputFolderNotFound(let inputFolder):
            return " error:[\(Imagium.toolName)] Input folder not found: \(inputFolder)"
            
        case .fileNotExists(let filename):
            return " error:[\(Imagium.toolName)] File \(filename) does not exists"
            
        case .unknownImageExtension(let filename):
            return " error:[\(Imagium.toolName)] File \(filename) have an unhandled file extension. Cannot generate image."
            
        case .getFileAttributed(let filename, let errorDescription):
            return " error:[\(Imagium.toolName)] Getting file attributes of \(filename) failed with error: \(errorDescription)"
            
        case .rsvgConvertNotFound:
            return " error:[\(Imagium.toolName)] Can't find rsvg-convert (can be installed with 'brew remove imagemagick && brew install imagemagick --with-librsvg')"
            
        case .writeFile(let subErrorDescription, let filename):
            return " error:[\(Imagium.toolName)] An error occured while writing content to \(filename): \(subErrorDescription)"
            
        case .unknown(let errorDescription):
            return " error:[\(Imagium.toolName)] Unknown error: \(errorDescription)"
        }
    }
}