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

    /// <summary>
    /// Represents a Fluid Tank component in the BWR simulation.
    /// </summary>
    public class FluidTank : Component
    {
        public double MaxVolume { get; private set; } // Maximum capacity of the tank (m^3)
        public double CurrentVolume { get; private set; } // Current fluid volume in the tank (m^3)
        public double CurrentLevel => CurrentVolume / MaxVolume; // 0.0 to 1.0 (0% to 100%)
        public double ContentsTemperature { get; private set; } // Average temperature of fluid in tank

        public FluidPort Inlet => GetFluidPortById("Inlet");
        public FluidPort Outlet => GetFluidPortById("Outlet");

        public FluidTank(string id, string name, double maxVolume, int numInlets, int numOutlets, double initialVolume = 0.0, double initialTemp = 293.15)
            : base(id, name, $"A fluid tank with max volume {maxVolume} m^3.", 5) // Priority 5 (updates last)
        {
            MaxVolume = maxVolume;
            CurrentVolume = Math.Clamp(initialVolume, 0.0, MaxVolume);
            ContentsTemperature = initialTemp;


            AddFluidPort(new FluidPort("Inlet"));
            AddFluidPort(new FluidPort("Outlet"));
        }

        public override void Update(double deltaTime)
        {
            double FlowVolume = 0.0;
            double InletEnergy = 0.0; // For temperature calculation

            FlowVolume += Inlet.FlowRate * deltaTime; // FlowRate is volume/time, so FlowRate * deltaTime = volume
            InletEnergy += Inlet.FlowRate * Inlet.Temperature * deltaTime; // Simple energy balance

            // Sum outgoing flow (assuming outlets draw based on their connected components)
            // For a tank, outlets typically "demand" flow, and the tank supplies it if available.
            // For simplicity here, we'll assume outlets simply remove fluid.
            // In a real system, outlet flow depends on downstream pressure and tank level.
            FlowVolume -= Outlet.FlowRate * deltaTime;


            // Update volume
            double newVolume = CurrentVolume + FlowVolume;
            CurrentVolume = Math.Clamp(newVolume, 0.0, MaxVolume);

            // Update outlet port properties (e.g., pressure based on level)
            // This is a simplification; in reality, outlet pressure also depends on downstream pressure
            double pressureFromLevel = CurrentLevel * 100000; // Example: 100kPa at full level

            Outlet.Pressure = pressureFromLevel; // Or a more complex calculation
            Outlet.Temperature = ContentsTemperature;
                // Mirror values to connected ports
            Outlet.MirrorToConnectedPort();


            Console.WriteLine($"{Name} ({ID}) - Volume: {CurrentVolume:F2} m^3 ({CurrentLevel * 100:F1}%), Temp: {ContentsTemperature:F1} K");
        }
    }
}