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

public class CountryData : MonoBehaviour
{
    public string countryName = "Unknown";
    public string countryNameUkr;
    public float utcOffset = 0f;
    public string utcLabel = "UTC+0";
    public bool hasAnomaly = false;
    public string anomalyFact = "";
    public Vector3 centerOnGlobe;

    [Header("DST")]
    public float baseUtcOffset = 0f;
    public string baseUtcLabel = "UTC+0";
    public float dstUtcOffset = 0f;
    public string dstUtcLabel = "UTC+0";
    public int dstStartMonth = 0;
    public int dstEndMonth = 0;

    private Material _mat;
    private static readonly int PropBase = Shader.PropertyToID("_BaseColor");
    private static readonly int PropHover = Shader.PropertyToID("_HoverStrength");
    private static readonly int PropSelect = Shader.PropertyToID("_SelectStrength");

    public void Init(Material mat) { _mat = mat; }

    public void SetDefaultColor(Color color)
    {
        if (_mat != null) _mat.SetColor(PropBase, color);
    }

    public void OnHoverEnter()
    {
        if (_mat != null) _mat.SetFloat(PropHover, 0.35f);
    }

    public void OnHoverExit()
    {
        if (_mat != null) _mat.SetFloat(PropHover, 0f);
    }

    public void Select()
    {
        if (_mat != null)
        {
            _mat.SetFloat(PropHover, 0f);
            _mat.SetFloat(PropSelect, 1f);
        }
    }

    public void Deselect()
    {
        if (_mat != null)
        {
            _mat.SetFloat(PropHover, 0f);
            _mat.SetFloat(PropSelect, 0f);
        }
    }

    public void RefreshDST()
    {
        if (dstStartMonth == 0) return;

        int month = System.DateTime.Now.Month;
        bool isDST;

        if (dstStartMonth > dstEndMonth)
            isDST = (month >= dstStartMonth || month <= dstEndMonth);
        else
            isDST = (month >= dstStartMonth && month <= dstEndMonth);

        utcOffset = isDST ? dstUtcOffset : baseUtcOffset;
        utcLabel = isDST ? dstUtcLabel : baseUtcLabel;
    }

    public string GetCurrentTime()
    {
        System.TimeSpan offset = System.TimeSpan.FromMinutes(utcOffset * 60.0);
        System.DateTime local = System.DateTime.UtcNow + offset;
        return local.ToString("dd MMMM, HH:mm", new System.Globalization.CultureInfo("uk-UA"));
    }
}