using System.IO;
using System.Collections.Generic;
using UnityEngine;
using sam;
using exprivia;
using exprivia.editor;

[RequireComponent(typeof(ProductLoader))]
public class PointVariableSubsessionInitializer : MonoBehaviour
{
    //public List<SatellitePointDataConfig> satellites;
    //public PointVariableSubsession subsession;
    public IProductDataConsumer subsession
    {
        get => _subsession as IProductDataConsumer;
        set => _subsession = value as Object;
    }

    [SerializeField]
    [RequireInterface(typeof(IProductDataConsumer))]
    private Object _subsession = null;


    SatelliteDataTypeConfig cfg;
    ProductLoader loader;
    string productName;


    void Start()
    {
        loader = GetComponent<ProductLoader>();

        //FindObjectOfType<IProductDataConsumer>();

        cfg = GlobalDictionary.GetValue("SatelliteDataTypeConfig") as SatelliteDataTypeConfig;
        if (cfg == null)
        {
            Debug.LogError($"PointVariableSubsessionInitializer: SatelliteDataTypeConfig not found in GlobalDictionary");
            return;
        }

        productName = GlobalDictionary.GetValue("ProductName") as string;
        if (string.IsNullOrEmpty(productName))
        {
            Debug.LogError($"PointVariableSubsessionInitializer: null product name");
            return;
        }

        string fullpath = Path.Combine(Application.streamingAssetsPath, cfg.GetProfileFilename());
        if (!loader.LoadProfile(fullpath))
        {
            Debug.LogError($"Error loading product profile file {fullpath}");
            return;
        }
        loader.dateExtractor = cfg.dateExtractionFunc;
        loader.productNameExtractor = cfg.productNameExtractionFunc;

        DownloadDataFile();
    }

    void DownloadDataFile()
    {
        string dataUrl = cfg.url + "/Products/" + productName;

        loader.Download(dataUrl,
            // OnSuccess
            (loader) =>
            {
                //subsession.initiallySelectedVariableIndex = cfg.initiallySelectedVariableIndex;
                subsession.SetInitiallySelectedVariableIndex(cfg.initiallySelectedVariableIndex);
                subsession.SelectProduct(loader.downloadedData);
            },

            // OnError
            (loader) =>
            {
            });
    }
}