using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using sam;

public class OrbitsController : MonoBehaviour
{
    public Material orbitMaterial;
    public Color defaultColor = Color.yellow;
    public Color selectedColor = Color.red;
    public float lineWidth = 0.65f;

    OrbitSelectSubsession oss;
    Satellite satellite;
    List<SatelliteOrbitController> satControllers = new List<SatelliteOrbitController>();

    SatelliteOrbitController selectedOrbit = null;
 
    private void Awake()
    {
        oss = GetComponentInParent<OrbitSelectSubsession>();       
    }

    public void OnProductListUpdated(List<string> productNames)
    {
        satControllers.Clear(); 
        satellite = new Satellite(oss.cfg.tleHistoryFilename, oss.cfg.satelliteId);
        int n = productNames.Count;
        for (int i=0; i<n; i++)
        {
            SatelliteOrbitController soc = new GameObject($"Orbit-{i}", typeof(SatelliteOrbitController)).GetComponent<SatelliteOrbitController>();
            satControllers.Add(soc);
            //soc.gameObject.AddComponent<Highlighter>();
            soc.transform.SetParent(transform);
            soc.satellite = satellite;
            soc.orbitStartDateTime = oss.productDates[i].Item1.ToString("yyyy-MM-ddTHH:mm:ss");
            soc.orbitEndDateTime = oss.productDates[i].Item2.ToString("yyyy-MM-ddTHH:mm:ss");
            soc.width = 0.01f;
            soc.orbitMaterial = orbitMaterial;
        }
    }

    private IEnumerator Start()
    {
        while (satControllers.Count == 0)
            yield return null;

        bool ready = false;
        SatelliteOrbitController soc = satControllers[0];

        while (!ready)
        {
            yield return null;
            ready = soc.GetComponentInChildren<LineRenderer>() != null;
        }

        if (selectedOrbit == null)
            selectedOrbit = soc;

        foreach (var orbit in satControllers)
        {
            LineRenderer r = orbit.GetComponentInChildren<LineRenderer>();

            r.startWidth = lineWidth;
            r.endWidth = lineWidth;

            if (selectedOrbit == orbit)
            {
                r.startColor = selectedColor;
                r.endColor = selectedColor;
            }
            else
            {
                r.startColor = defaultColor;
                r.endColor = defaultColor;
            }
        }
    }

    public void OnOrbitSelected((string name, (DateTime start, DateTime end) dates) product)
    {
        if (selectedOrbit != null)
        {
            LineRenderer lr = selectedOrbit.GetComponentInChildren<LineRenderer>();
            lr.startColor = defaultColor;
            lr.endColor = defaultColor;
        }

        SatelliteOrbitController soc = satControllers[oss.selectedProductIndex];
        LineRenderer r = soc.GetComponentInChildren<LineRenderer>();
        if (r != null)
        {
            r.startColor = selectedColor;
            r.endColor = selectedColor;
        }
        selectedOrbit = soc;
    }
}