using UnityEngine;

namespace GeometryTD.UI
{
    public partial class CombatSelectFormController
    {
        private static CombatSelectFormContext BuildContext(CombatSelectFormRawData rawData)
        {
            if (rawData == null)
            {
                return null;
            }

            return new CombatSelectFormContext
            {
                IsVisible = rawData.IsVisible,
                ScreenPosition = rawData.ScreenPosition,
                ShowBuildArea = rawData.IsVisible && rawData.DisplayMode == CombatSelectDisplayMode.Build,
                ShowFuncArea = rawData.IsVisible && rawData.DisplayMode == CombatSelectDisplayMode.Func,
                BuildItems = BuildItemContexts(rawData.BuildItems),
                UpgradeItem = BuildItemContext(rawData.UpgradeItem),
                DestroyItem = BuildItemContext(rawData.DestroyItem)
            };
        }

        private static TowerSelectItemContext[] BuildItemContexts(TowerSelectItemRawData[] itemRawData)
        {
            if (itemRawData == null || itemRawData.Length <= 0)
            {
                return System.Array.Empty<TowerSelectItemContext>();
            }

            TowerSelectItemContext[] contexts = new TowerSelectItemContext[itemRawData.Length];
            for (int i = 0; i < itemRawData.Length; i++)
            {
                contexts[i] = BuildItemContext(itemRawData[i]);
            }

            return contexts;
        }

        private static TowerSelectItemContext BuildItemContext(TowerSelectItemRawData rawData)
        {
            if (rawData == null)
            {
                return null;
            }

            return new TowerSelectItemContext
            {
                Icon = rawData.Icon,
                PriceText = BuildPriceText(rawData.Price, rawData.IsGain),
                IsVisible = rawData.IsVisible,
                IsInteractable = rawData.IsInteractable,
                ActionType = rawData.ActionType,
                ActionIndex = rawData.ActionIndex,
                TowerIconAreaContext = new TowerIconAreaContext
                {
                    BaseColor = rawData.BaseColor,
                    BearingColor = rawData.BearingColor,
                    MuzzleColor = rawData.MuzzleColor
                }
            };
        }

        private static string BuildPriceText(int price, bool isGain)
        {
            int positivePrice = Mathf.Max(0, price);
            if (isGain)
            {
                return $"+{positivePrice}";
            }

            return positivePrice.ToString();
        }
    }
}