using StellaOps.Signals.Models;
using System;

namespace StellaOps.Signals.Options;

/// <summary>
/// Gate multiplier configuration in basis points (10000 = 100%).
/// </summary>
public sealed class SignalsGateMultiplierOptions
{
    public int AuthRequiredMultiplierBps { get; set; } = 3000;

    public int FeatureFlagMultiplierBps { get; set; } = 2000;

    public int AdminOnlyMultiplierBps { get; set; } = 1500;

    public int NonDefaultConfigMultiplierBps { get; set; } = 5000;

    public int MinimumMultiplierBps { get; set; } = 500;

    public int GetMultiplierBps(CallgraphGateType gateType) => gateType switch
    {
        CallgraphGateType.AuthRequired => AuthRequiredMultiplierBps,
        CallgraphGateType.FeatureFlag => FeatureFlagMultiplierBps,
        CallgraphGateType.AdminOnly => AdminOnlyMultiplierBps,
        CallgraphGateType.NonDefaultConfig => NonDefaultConfigMultiplierBps,
        _ => 10000
    };

    public void Validate()
    {
        EnsureBps(nameof(AuthRequiredMultiplierBps), AuthRequiredMultiplierBps);
        EnsureBps(nameof(FeatureFlagMultiplierBps), FeatureFlagMultiplierBps);
        EnsureBps(nameof(AdminOnlyMultiplierBps), AdminOnlyMultiplierBps);
        EnsureBps(nameof(NonDefaultConfigMultiplierBps), NonDefaultConfigMultiplierBps);
        EnsureBps(nameof(MinimumMultiplierBps), MinimumMultiplierBps);
    }

    private static void EnsureBps(string name, int value)
    {
        if (value < 0 || value > 10000)
        {
            throw new ArgumentOutOfRangeException(name, value, "Value must be between 0 and 10000.");
        }
    }
}