using System;
using System.Collections.Generic;
using Sirenix.OdinInspector;
using UnityEngine;
using UnityEngine.UI;

public enum LayoutGroupType
{
    Horizontal,
    Vertical,
    Grid
}

[RequireComponent(typeof(RenderPrintingManagerOptionHelper))]
public class RenderPrintingManagerOption : MonoBehaviour
{
    public RenderPrintingManagerOptionHelper helper;
    public Vector2 renderPrintSize;
    public Vector2 renderPreviewSize;
    public Transform pivot;
    [LabelText("需要输出的图合集")] public List<GameObject> objectsToRender = new List<GameObject>();

    public Vector2 modelPosition;
    public Vector3 modelScale;

    public bool isChangeLayout;
    [ShowIf("isChangeLayout")] public Transform layoutGroupTransform;
    [ShowIf("isChangeLayout")] public LayoutGroupType type;
    [ShowIf("isChangeLayout")] public RectOffset padding;
    [ShowIf("isChangeLayout")] public Vector2 cellSize = new Vector2(0f, 0f);
    [ShowIf("isChangeLayout")] public Vector2 spacing = new Vector2(0f, 0f);

    [ShowIf("isChangeLayout")] [ShowIf("type", LayoutGroupType.Grid)]
    public GridLayoutGroup.Constraint constraint;

    [ShowIf("isChangeLayout")] [ShowIf("type", LayoutGroupType.Grid)]
    public int constraintCount = 0;

    private void Awake()
    {
        helper = GetComponent<RenderPrintingManagerOptionHelper>();
    }

    [ContextMenu("AutoInput")]
    void AutoInput()
    {
        renderPrintSize = GetComponent<RectTransform>().sizeDelta;
        pivot = GetComponent<RectTransform>();
        modelScale = transform.localScale;
    }

    [ContextMenu("ResetLayout")]
    void ResetLayout()
    {
        padding = new RectOffset(0, 0, 0, 0);
        cellSize = new Vector2(0f, 0f);
        spacing = new Vector2(0f, 0f);
        constraintCount = 0;
        type = LayoutGroupType.Horizontal;
        isChangeLayout = false;
    }

    [ContextMenu("AutoAddGameObject")]
    void AutoAddGameObject()
    {
        objectsToRender.Clear();
        for (var i = 0; i < transform.childCount; i++)
        {
            objectsToRender.Add(transform.GetChild(i).gameObject);
        }
    }

    [ContextMenu("CopyLayout")]
    void CopyLayout()
    {
        if (layoutGroupTransform != null)
        {
            var layoutGroup = layoutGroupTransform.GetComponent<LayoutGroup>();
            padding = layoutGroup.padding;
            switch (type)
            {
                case LayoutGroupType.Horizontal:
                    spacing.x = ((HorizontalLayoutGroup)layoutGroup).spacing;
                    break;
                case LayoutGroupType.Vertical:
                    spacing.x = ((VerticalLayoutGroup)layoutGroup).spacing;
                    break;
                case LayoutGroupType.Grid:
                    var gridLayoutGroup = ((GridLayoutGroup)layoutGroup);
                    cellSize = gridLayoutGroup.cellSize;
                    spacing = gridLayoutGroup.spacing;
                    constraintCount = gridLayoutGroup.constraintCount;
                    constraint = gridLayoutGroup.constraint;
                    break;
                default:
                    throw new ArgumentOutOfRangeException();
            }
        }
    }

    public virtual void InitPreviewData()
    {
    }

    public virtual void InitPrintingData()
    {
    }
}