//
//  Definition.swift
//  
//
//  Created by Thibaut Schmitt on 04/01/2022.
//

import Foundation

class Definition {
    let name: String
    var tags = [String]()
    var comment: String?
    var translations = [String: String]()
    var reference: String?
    var isPlurals = false
    
    var isValid: Bool {
        name.isEmpty == false &&
        translations.isEmpty == false
    }
    
    init(name: String) {
        self.name = name
    }
    
    static func match(_ line: String) -> Definition? {
        guard line.range(of: "\\[(.*?)]$", options: .regularExpression, range: nil, locale: nil) != nil else {
            return nil
        }
        
        let definitionName = line
            .replacingOccurrences(of: ["[", "]"], with: "")
            .removeLeadingTrailingWhitespace()
        
        return Definition(name: definitionName)
    }
    
    // MARK: -
    
    func getNSLocalizedStringProperty(forLang lang: String) -> String {
        guard let translation = translations[lang] else {
            let error = StringiumError.langNotDefined(lang, name, reference != nil)
            print(error.localizedDescription)
            Stringium.exit(withError: error)
        }
        
        return """
            /// Translation in \(lang) :
            /// \(translation)
            var \(name): String {
                NSLocalizedString("\(name)", tableName: kStringsFileName, bundle: Bundle.main, value: "\(translation)", comment: "")
            }
        """
    }
    
    func getNSLocalizedStringStaticProperty(forLang lang: String) -> String {
        guard let translation = translations[lang] else {
            let error = StringiumError.langNotDefined(lang, name, reference != nil)
            print(error.localizedDescription)
            Stringium.exit(withError: error)
        }
        
        return """
            /// Translation in \(lang) :
            /// \(translation)
            static var \(name): String {
                NSLocalizedString("\(name)", tableName: kStringsFileName, bundle: Bundle.main, value: "\(translation)", comment: "")
            }
        """
    }
    
    // MARK: - Raw strings
    
    func getProperty(forLang lang: String) -> String {
        guard let translation = translations[lang] else {
            let error = StringiumError.langNotDefined(lang, name, reference != nil)
            print(error.localizedDescription)
            Stringium.exit(withError: error)
        }
        
        return """
            /// Translation in \(lang) :
            /// \(translation)
            var \(name): String {
                "\(translation)"
            }
        """
    }
    
    func getStaticProperty(forLang lang: String) -> String {
        guard let translation = translations[lang] else {
            let error = StringiumError.langNotDefined(lang, name, reference != nil)
            print(error.localizedDescription)
            Stringium.exit(withError: error)
        }
        
        return """
            /// Translation in \(lang) :
            /// \(translation)
            static var \(name): String {
                "\(translation)"
            }
        """
    }
}