using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;
using WI;

public class UI_StackBar : UIBase
{
    public Image targetImage;
    public List<float> segmentRatios = new List<float>();

    public Image[] stackedImages;

    public override void AfterAwake()
    {
        targetImage = GetComponent<Image>();
        var images = transform.GetComponentsInChildren<Image>();
        stackedImages = images.Where(t => t != targetImage).ToArray();
        SetActive(false);
    }
    public void SetStackBar(BarChartData barChartData, Vector3 topPosition, Vector3 bottomPosition)
    {
        SetActive(true);

        transform.position = topPosition;

        var height = (transform.localPosition.y + bottomPosition.y);
        rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, height);
        
        SetImageRatios(barChartData);
    }
    private void SetImageRatios(BarChartData barChartData)
    {
        segmentRatios.Clear();
        segmentRatios.Add(barChartData.etc);
        segmentRatios.Add(barChartData.holdingPressureTime);
        segmentRatios.Add(barChartData.weighingTime);
        segmentRatios.Add(barChartData.coolingTime);

        var parentHeight = targetImage.rectTransform.rect.height;
        var totalHeight = 0f;

        foreach (var height in segmentRatios)
        {
            totalHeight += height;
        }
        AdjustChildImagesHeight(parentHeight, totalHeight);
    }

    void AdjustChildImagesHeight(float parentHeight, float totalHeight)
    {
        for (int i = 0; i < stackedImages.Length; i++)
        {
            var rectTrnasform = stackedImages[i].rectTransform;

            var newHeight = (segmentRatios[i] / totalHeight) * parentHeight;
            rectTrnasform.sizeDelta = new Vector2(rectTrnasform.sizeDelta.x, newHeight);
        }
    }

}