using MealPlanner.Models;

namespace MealPlanner.Services;

public static class GermanTranslator
{
    private static readonly Dictionary<string, string> MealNames = new(StringComparer.OrdinalIgnoreCase)
    {
        // Common TheMealDB meal titles
        {"Beef", "Rind"}, {"Chicken", "Hähnchen"}, {"Pork", "Schwein"}, {"Lamb", "Lamm"},
        {"Fish", "Fisch"}, {"Salmon", "Lachs"}, {"Tuna", "Thunfisch"}, {"Shrimp", "Garnelen"},
        {"Prawn", "Garnelen"}, {"Turkey", "Truthahn"}, {"Duck", "Ente"}, {"Veal", "Kalb"},
        {"Steak", "Steak"}, {"Roast", "Braten"}, {"Grilled", "Gegrilltes"}, {"Fried", "Gebratenes"},
        {"Baked", "Gebackenes"}, {"Braised", "Geschmortes"}, {"Smoked", "Geräuchertes"},
        {"Soup", "Suppe"}, {"Stew", "Eintopf"}, {"Salad", "Salat"}, {"Pie", "Pastete"},
        {"Pasta", "Pasta"}, {"Noodles", "Nudeln"}, {"Rice", "Reis"}, {"Bread", "Brot"},
        {"Cake", "Kuchen"}, {"Pancake", "Pfannkuchen"}, {"Pancakes", "Pfannkuchen"},
        {"Curry", "Curry"}, {"Casserole", "Auflauf"}, {"Sandwich", "Sandwich"},
        {"Wrap", "Wrap"}, {"Tacos", "Tacos"}, {"Burrito", "Burrito"},
        {"Spaghetti", "Spaghetti"}, {"Lasagne", "Lasagne"}, {"Risotto", "Risotto"},
        {"Pizza", "Pizza"}, {"Burger", "Burger"}, {"Meatballs", "Fleischbällchen"},
        {"Teriyaki", "Teriyaki"}, {"Sweet", "Süß"}, {"Spicy", "Scharf"},
        {"Creamy", "Cremig"}, {"Crispy", "Knusprig"}, {"Honey", "Honig"},
        {"Garlic", "Knoblauch"}, {"Lemon", "Zitronen"}, {"Mushroom", "Pilz"},
        {"Tomato", "Tomaten"}, {"Potato", "Kartoffel"}, {"Potatoes", "Kartoffeln"},
        {"Cheese", "Käse"}, {"Cream", "Sahne"}, {"Butter", "Butter"},
        {"Chocolate", "Schokoladen"}, {"Caramel", "Karamell"}, {"Vanilla", "Vanille"},
        {"Apple", "Apfel"}, {"Orange", "Orangen"}, {"Banana", "Bananen"},
        {"Beans", "Bohnen"}, {"Lentil", "Linsen"}, {"Lentils", "Linsen"},
        {"Vegetable", "Gemüse"}, {"Vegetables", "Gemüse"},
        {"with", "mit"}, {"and", "und"}, {"in", "in"}, {"on", "auf"},
        {"Sauce", "Soße"}, {"Gravy", "Bratensaft"}, {"Dressing", "Dressing"},
        {"Stuffed", "Gefüllte"}, {"Roasted", "Geröstete"}, {"Sautéed", "Sautierte"},
        {"Chili", "Chili"}, {"Ginger", "Ingwer"}, {"Coconut", "Kokos"},
        {"Spinach", "Spinat"}, {"Broccoli", "Brokkoli"}, {"Carrot", "Karotten"},
        {"Onion", "Zwiebel"}, {"Pepper", "Pfeffer"}, {"Peppers", "Paprika"},
        {"Corn", "Mais"}, {"Peas", "Erbsen"}, {"Cabbage", "Kohl"},
        {"Eggplant", "Aubergine"}, {"Zucchini", "Zucchini"}, {"Celery", "Sellerie"},
        {"Parsley", "Petersilie"}, {"Basil", "Basilikum"}, {"Thyme", "Thymian"},
        {"Oregano", "Oregano"}, {"Rosemary", "Rosmarin"}, {"Cinnamon", "Zimt"},
        {"Nutmeg", "Muskatnuss"}, {"Cumin", "Kreuzkümmel"}, {"Paprika", "Paprika"},
        {"Soy", "Soja"}, {"Sesame", "Sesam"}, {"Peanut", "Erdnuss"},
        {"Almond", "Mandel"}, {"Walnut", "Walnuss"},
        {"Egg", "Ei"}, {"Eggs", "Eier"}, {"Milk", "Milch"}, {"Yogurt", "Joghurt"},
        {"Oil", "Öl"}, {"Olive", "Oliven"}, {"Vinegar", "Essig"},
        {"Sugar", "Zucker"}, {"Salt", "Salz"}, {"Flour", "Mehl"},
    };

    private static readonly Dictionary<string, string> Ingredients = new(StringComparer.OrdinalIgnoreCase)
    {
        // All from above plus more specific ingredient names
        {"Beef", "Rindfleisch"}, {"Chicken", "Hähnchen"}, {"Chicken Breast", "Hähnchenbrust"},
        {"Chicken Thighs", "Hähnchenschenkel"}, {"Chicken Stock", "Hühnerbrühe"},
        {"Minced Beef", "Rinderhackfleisch"}, {"Ground Beef", "Rinderhackfleisch"},
        {"Pork", "Schweinefleisch"}, {"Bacon", "Speck"}, {"Sausage", "Wurst"},
        {"Lamb", "Lammfleisch"}, {"Fish", "Fisch"}, {"Salmon", "Lachs"},
        {"Tuna", "Thunfisch"}, {"Shrimp", "Garnelen"}, {"Prawns", "Garnelen"},
        {"Butter", "Butter"}, {"Olive Oil", "Olivenöl"}, {"Vegetable Oil", "Pflanzenöl"},
        {"Sesame Oil", "Sesamöl"}, {"Coconut Oil", "Kokosöl"},
        {"Milk", "Milch"}, {"Cream", "Sahne"}, {"Sour Cream", "Saure Sahne"},
        {"Heavy Cream", "Schlagsahne"}, {"Double Cream", "Sahne"},
        {"Cheese", "Käse"}, {"Parmesan", "Parmesan"}, {"Cheddar", "Cheddar"},
        {"Mozzarella", "Mozzarella"}, {"Feta", "Feta"}, {"Cream Cheese", "Frischkäse"},
        {"Yogurt", "Joghurt"}, {"Yoghurt", "Joghurt"}, {"Egg", "Ei"}, {"Eggs", "Eier"},
        {"Egg Yolks", "Eigelb"}, {"Egg Whites", "Eiweiß"},
        {"Onion", "Zwiebel"}, {"Onions", "Zwiebeln"}, {"Red Onion", "Rote Zwiebel"},
        {"Garlic", "Knoblauch"}, {"Garlic Clove", "Knoblauchzehe"},
        {"Garlic Cloves", "Knoblauchzehen"}, {"Garlic Minced", "Knoblauch gehackt"},
        {"Ginger", "Ingwer"}, {"Celery", "Sellerie"}, {"Carrot", "Karotte"},
        {"Carrots", "Karotten"}, {"Potato", "Kartoffel"}, {"Potatoes", "Kartoffeln"},
        {"Sweet Potato", "Süßkartoffel"}, {"Tomato", "Tomate"}, {"Tomatoes", "Tomaten"},
        {"Cherry Tomatoes", "Kirschtomaten"}, {"Tomato Paste", "Tomatenmark"},
        {"Tomato Puree", "Tomatenmark"}, {"Chopped Tomatoes", "Gehackte Tomaten"},
        {"Tomato Sauce", "Tomatensoße"}, {"Passata", "Passata"},
        {"Pepper", "Pfeffer"}, {"Bell Pepper", "Paprika"}, {"Red Pepper", "Rote Paprika"},
        {"Green Pepper", "Grüne Paprika"}, {"Chilli", "Chili"}, {"Chili", "Chili"},
        {"Chilli Powder", "Chilipulver"}, {"Chili Flakes", "Chiliflocken"},
        {"Mushroom", "Pilze"}, {"Mushrooms", "Pilze"},
        {"Spinach", "Spinat"}, {"Broccoli", "Brokkoli"}, {"Cauliflower", "Blumenkohl"},
        {"Cabbage", "Kohl"}, {"Lettuce", "Salat"}, {"Cucumber", "Gurke"},
        {"Zucchini", "Zucchini"}, {"Courgette", "Zucchini"}, {"Eggplant", "Aubergine"},
        {"Aubergine", "Aubergine"}, {"Corn", "Mais"}, {"Peas", "Erbsen"},
        {"Green Beans", "Grüne Bohnen"}, {"Kidney Beans", "Kidneybohnen"},
        {"Chickpeas", "Kichererbsen"}, {"Lentils", "Linsen"},
        {"Rice", "Reis"}, {"Basmati Rice", "Basmatireis"}, {"Long Grain Rice", "Langkornreis"},
        {"Pasta", "Nudeln"}, {"Spaghetti", "Spaghetti"}, {"Penne", "Penne"},
        {"Noodles", "Nudeln"}, {"Lasagne Sheets", "Lasagneplatten"},
        {"Bread", "Brot"}, {"Breadcrumbs", "Semmelbrösel"}, {"Flour", "Mehl"},
        {"Plain Flour", "Mehl"}, {"Self Raising Flour", "Mehl mit Backpulver"},
        {"Cornflour", "Speisestärke"}, {"Cornstarch", "Speisestärke"},
        {"Baking Powder", "Backpulver"}, {"Baking Soda", "Natron"},
        {"Sugar", "Zucker"}, {"Brown Sugar", "Brauner Zucker"}, {"Caster Sugar", "Feiner Zucker"},
        {"Icing Sugar", "Puderzucker"}, {"Honey", "Honig"}, {"Maple Syrup", "Ahornsirup"},
        {"Salt", "Salz"}, {"Black Pepper", "Schwarzer Pfeffer"},
        {"Cumin", "Kreuzkümmel"}, {"Paprika", "Paprika"}, {"Turmeric", "Kurkuma"},
        {"Coriander", "Koriander"}, {"Cinnamon", "Zimt"}, {"Nutmeg", "Muskatnuss"},
        {"Oregano", "Oregano"}, {"Basil", "Basilikum"}, {"Thyme", "Thymian"},
        {"Rosemary", "Rosmarin"}, {"Parsley", "Petersilie"}, {"Bay Leaf", "Lorbeerblatt"},
        {"Bay Leaves", "Lorbeerblätter"}, {"Mint", "Minze"}, {"Dill", "Dill"},
        {"Chives", "Schnittlauch"}, {"Cilantro", "Koriander"},
        {"Soy Sauce", "Sojasoße"}, {"Worcestershire Sauce", "Worcestersoße"},
        {"Fish Sauce", "Fischsoße"}, {"Hot Sauce", "Scharfe Soße"},
        {"Vinegar", "Essig"}, {"Balsamic Vinegar", "Balsamico-Essig"},
        {"Red Wine Vinegar", "Rotweinessig"}, {"White Wine Vinegar", "Weißweinessig"},
        {"Lemon", "Zitrone"}, {"Lemon Juice", "Zitronensaft"}, {"Lime", "Limette"},
        {"Lime Juice", "Limettensaft"}, {"Orange", "Orange"}, {"Orange Juice", "Orangensaft"},
        {"Wine", "Wein"}, {"Red Wine", "Rotwein"}, {"White Wine", "Weißwein"},
        {"Beer", "Bier"}, {"Coconut Milk", "Kokosmilch"}, {"Stock", "Brühe"},
        {"Beef Stock", "Rinderbrühe"}, {"Vegetable Stock", "Gemüsebrühe"},
        {"Water", "Wasser"}, {"Ice", "Eis"},
        {"Chocolate", "Schokolade"}, {"Dark Chocolate", "Zartbitterschokolade"},
        {"Cocoa", "Kakao"}, {"Vanilla", "Vanille"}, {"Vanilla Extract", "Vanilleextrakt"},
        {"Apple", "Apfel"}, {"Banana", "Banane"}, {"Strawberries", "Erdbeeren"},
        {"Blueberries", "Blaubeeren"}, {"Raisins", "Rosinen"},
        {"Almonds", "Mandeln"}, {"Walnuts", "Walnüsse"}, {"Peanuts", "Erdnüsse"},
        {"Peanut Butter", "Erdnussbutter"}, {"Pine Nuts", "Pinienkerne"},
        {"Sesame Seeds", "Sesamkörner"}, {"Sunflower Oil", "Sonnenblumenöl"},
        {"Spring Onions", "Frühlingszwiebeln"}, {"Leek", "Lauch"},
        {"Fennel", "Fenchel"}, {"Avocado", "Avocado"}, {"Olives", "Oliven"},
        {"Capers", "Kapern"}, {"Anchovies", "Sardellen"},
        {"Tortilla", "Tortilla"}, {"Pita", "Fladenbrot"}, {"Naan", "Naan"},
        {"Tofu", "Tofu"}, {"Coconut", "Kokosnuss"}, {"Coconut Cream", "Kokoscreme"},
        {"Curry Powder", "Currypulver"}, {"Garam Masala", "Garam Masala"},
        {"Mustard", "Senf"}, {"Dijon Mustard", "Dijon-Senf"}, {"Ketchup", "Ketchup"},
        {"Mayonnaise", "Mayonnaise"}, {"Sriracha", "Sriracha"},
    };

    public static string TranslateTitle(string title)
    {
        // Word-by-word translation for meal titles
        var words = title.Split(' ');
        var translated = new List<string>();
        int i = 0;
        while (i < words.Length)
        {
            // Try two-word match first
            if (i + 1 < words.Length)
            {
                var twoWord = $"{words[i]} {words[i + 1]}";
                if (MealNames.TryGetValue(twoWord, out var tw))
                {
                    translated.Add(tw);
                    i += 2;
                    continue;
                }
            }
            if (MealNames.TryGetValue(words[i], out var single))
                translated.Add(single);
            else
                translated.Add(words[i]); // Keep original if no translation
            i++;
        }
        return string.Join(' ', translated);
    }

    public static string TranslateIngredient(string name)
    {
        // Try exact match first
        if (Ingredients.TryGetValue(name, out var exact)) return exact;

        // Try two-word, three-word combos from start
        var words = name.Split(' ');
        if (words.Length >= 3)
        {
            var three = $"{words[0]} {words[1]} {words[2]}";
            if (Ingredients.TryGetValue(three, out var tw3)) return tw3;
        }
        if (words.Length >= 2)
        {
            var two = $"{words[0]} {words[1]}";
            if (Ingredients.TryGetValue(two, out var tw2)) return tw2;
        }
        // Single word
        if (words.Length >= 1 && Ingredients.TryGetValue(words[0], out var sw)) return sw;

        return name; // Keep original
    }

    public static Recipe TranslateRecipe(Recipe recipe)
    {
        recipe.Title = TranslateTitle(recipe.Title);
        foreach (var ing in recipe.Ingredients)
        {
            ing.Name = TranslateIngredient(ing.Name);
        }
        return recipe;
    }
}