using OpenTheBox.Core;

namespace OpenTheBox.Rendering;

/// <summary>
/// Phase 0 renderer. Pure Console.WriteLine and Console.ReadLine.
/// No colors, no frames, no fancy stuff. This is the "stone age" of the UI,
/// deliberately ugly and minimal.
/// </summary>
public sealed class BasicRenderer : IRenderer
{
    public void ShowMessage(string message)
    {
        Console.WriteLine(message);
    }

    public void ShowError(string message)
    {
        Console.WriteLine($"ERROR: {message}");
    }

    public void ShowBoxOpening(string boxName, string rarity)
    {
        Console.WriteLine($"Opening {boxName}...");
        Console.WriteLine("...");
        Console.WriteLine("......");
        Console.WriteLine($"Box opened! (Rarity: {rarity})");
    }

    public void ShowLootReveal(List<(string name, string rarity, string category)> items)
    {
        Console.WriteLine("You received:");
        for (int i = 0; i < items.Count; i++)
        {
            var (name, rarity, category) = items[i];
            Console.WriteLine($"  - {name} [{rarity}] ({category})");
        }
    }

    public int ShowSelection(string prompt, List<string> options)
    {
        Console.WriteLine(prompt);
        for (int i = 0; i < options.Count; i++)
        {
            Console.WriteLine($"  {i + 1}. {options[i]}");
        }

        while (true)
        {
            Console.Write("> ");
            string? input = Console.ReadLine();
            if (int.TryParse(input, out int choice) && choice >= 1 && choice <= options.Count)
            {
                return choice - 1;
            }
            Console.WriteLine($"Please enter a number between 1 and {options.Count}.");
        }
    }

    public string ShowTextInput(string prompt)
    {
        Console.Write($"{prompt}: ");
        return Console.ReadLine() ?? string.Empty;
    }

    public void ShowGameState(GameState state, RenderContext context)
    {
        // Phase 0: no panels unlocked yet, so nothing to show.
    }

    public void ShowAdventureDialogue(string? character, string text)
    {
        if (character is not null)
        {
            Console.WriteLine($"[{character}]");
        }
        Console.WriteLine(text);
        Console.WriteLine();
    }

    public int ShowAdventureChoice(List<string> options)
    {
        Console.WriteLine("What do you do?");
        for (int i = 0; i < options.Count; i++)
        {
            Console.WriteLine($"  {i + 1}. {options[i]}");
        }

        while (true)
        {
            Console.Write("> ");
            string? input = Console.ReadLine();
            if (int.TryParse(input, out int choice) && choice >= 1 && choice <= options.Count)
            {
                return choice - 1;
            }
            Console.WriteLine($"Please enter a number between 1 and {options.Count}.");
        }
    }

    public void ShowUIFeatureUnlocked(string featureName)
    {
        Console.WriteLine("========================================");
        Console.WriteLine($"  NEW FEATURE UNLOCKED: {featureName}");
        Console.WriteLine("========================================");
    }

    public void ShowInteraction(string description)
    {
        Console.WriteLine($"* {description} *");
    }

    public void WaitForKeyPress(string? message = null)
    {
        Console.WriteLine(message ?? "Press any key to continue...");
        Console.ReadKey(intercept: true);
        Console.WriteLine();
    }

    public void Clear()
    {
        try { Console.Clear(); }
        catch (IOException) { }
    }
}