open System

type LanguageEnums = Lithuanian=0 | English= 1;;

type E<'a> = Breakfast of Name : string * Language : LanguageEnums * Translation : string | Lunch of Name : string * Language : LanguageEnums * Translation : string | Dinner of Name : string * Language : LanguageEnums * Translation : string;;

let BC = Breakfast (Name = "Omelet", Language = LanguageEnums.Lithuanian, Translation = "Kiaušinienė");;
let FC = Breakfast (Name = "Kiaušiniai", Language = LanguageEnums.Lithuanian, Translation = "Eggs");;
let HB = Breakfast (Name=  "Dešrelė", Language=LanguageEnums.Lithuanian, Translation="Sausage");;
let HC = Breakfast (Name="Vafliai", Language=LanguageEnums.Lithuanian, Translation="Waffles");;
let RC = Breakfast (Name="Blynai",Language=LanguageEnums.Lithuanian, Translation="Pancakes");;

let TEN = Lunch (Name="Steak", Language=LanguageEnums.Lithuanian, Translation="Kepsnys");;
let SAC = Lunch (Name="Salotos", Language=LanguageEnums.Lithuanian, Translation="Salad");;
let BOX = Lunch (Name="Vištiena", Language=LanguageEnums.Lithuanian, Translation="Chicken");;
let KEB = Lunch (Name="Kebabų Valgymas", Language=LanguageEnums.Lithuanian, Translation="Competetive Kebab Eating");;
let IIG = Lunch (Name="Sėmkių Valgymas", Language=LanguageEnums.Lithuanian, Translation="Competetive Eating of sunflower seeds");;

let KEBA =  Dinner (Name="Banana", Language=LanguageEnums.Lithuanian, Translation="Bananas");;
let PICA =  Dinner (Name="Piculė", Language=LanguageEnums.Lithuanian, Translation="Pizza");;
let FALA =  Dinner (Name="Falafelis", Language=LanguageEnums.Lithuanian, Translation="Falafel");;
let CHIP =  Dinner (Name="Bulvių Traškučiai", Language=LanguageEnums.Lithuanian, Translation="Potato Chips");;
let SEMA =  Dinner (Name="Semkės", Language=LanguageEnums.Lithuanian, Translation="Sunflower seeds");;


let translationList = [BC;FC;HB;HC;RC;TEN;SAC;BOX;KEB;IIG;KEBA;PICA;FALA;CHIP;SEMA];;

// Translate Function Starts
let translate (word:string) =
        let mutable isTranslated = false;
        for i in translationList do
            match i with
                | Breakfast (f1,f2,f3) -> if f1.ToLower() = word.ToLower() then
                                                    printfn "'%s' is a Breakfast Meal, which is  '%s' in %A \n" word f3 f2
                                                    isTranslated <- true
                | Lunch (f1,f2,f3) -> if f1.ToLower() = word.ToLower() then
                                                    printfn "'%s' is a lunch meal, which is '%s' in %A \n" word f3 f2
                                                    isTranslated <- true
                | Dinner (f1,f2,f3) -> if f1.ToLower() = word.ToLower() then
                                                    printfn "'%s' is a meal for the evening, which is'%s' in  %A \n" word f3 f2
                                                    isTranslated <- true
        if (not isTranslated) then printfn "Sorry, your word is not in the dictionary (at least not in our) '%s' \n" word;;

let interpreterAgent = MailboxProcessor.Start(fun translation->

    //processing function
    let rec translateLoop() = async{

        //read input
        let! word = translation.Receive()
        printfn "Looking for a translation for: %s" word

        //call translate to process input
        translate word

        return! translateLoop()
        }

    translateLoop()
    );;

interpreterAgent.Post "omelet"
interpreterAgent.Post "Steak"
interpreterAgent.Post "BANANA"