// MyBWRSimulator.Core/Components/Concrete/Pipe.cs
namespace MyBWRSimulator.Core.Components.Concrete
{
    using MyBWRSimulator.Core.Components.Abstract;
    using MyBWRSimulator.Core.Ports;
    using System;
    using System.Collections.Generic;

    /// <summary>
    /// Represents a Pipe component in the BWR simulation.
    /// </summary>
    public class Pipe : Component
    {
        public double Length { get; private set; } // Length of the pipe (m)
        public double Diameter { get; private set; } // Inner diameter of the pipe (m)
        public double Roughness { get; private set; } = 0.000045; // Example roughness for steel (m)

        // Publicly expose ports for easier named access if needed
        public FluidPort Inlet => GetFluidPortById("Inlet");
        public FluidPort Outlet => GetFluidPortById("Outlet");

        public Pipe(string id, string name, double length, double diameter)
            : base(id, name, $"A pipe of length {length}m and diameter {diameter}m.", 4) // Priority 4
        {
            Length = length;
            Diameter = diameter;

            // Use descriptive IDs for ports
            AddFluidPort(new FluidPort("Inlet"));
            AddFluidPort(new FluidPort("Outlet"));
        }

        public override void Update(double deltaTime)
        {
            // Read properties from the inlet port (which should have been updated by upstream component)
            double inletFlowRate = Inlet.FlowRate;
            double inletPressure = Inlet.Pressure;
            double inletTemperature = Inlet.Temperature;

            // Simple pressure drop calculation (e.g., Darcy-Weisbach or simpler linear drop)
            // This is very simplified. For high fidelity, you'd need fluid properties (density, viscosity).
            double pressureDrop = 0.0;
            if (inletFlowRate > 0)
            {
                // A very basic linear pressure drop for demonstration
                pressureDrop = (inletFlowRate * Length * 10.0) / (Diameter * Diameter);
            }

            // Simple heat loss/gain (e.g., based on ambient temperature, not modeled here)
            double outletTemperature = inletTemperature; // Assuming no heat loss for now

            // Update outlet port properties
            Outlet.FlowRate = inletFlowRate;
            Outlet.Pressure = inletPressure - pressureDrop;
            Outlet.Temperature = outletTemperature;

            // Mirror values to connected ports
            Outlet.MirrorToConnectedPort();

            Console.WriteLine($"{Name} ({ID}) - Flow: {inletFlowRate:F2} kg/s, Pressure Drop: {pressureDrop:F2} Pa");
        }
    }
}