MVP of the plane throwing game (#77)

Co-authored-by: Michal Pikulski <michal@foolhardyhorizons.com>
Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Reviewed-on: #77

Assets/Scripts/Minigames/Airplane/UI/AirplaneSelectionUI.cs

@@ -0,0 +1,297 @@
+using System;
+using Core;
+using Minigames.Airplane.Data;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Minigames.Airplane.UI
+{
+    /// <summary>
+    /// UI for selecting airplane type before game starts.
+    /// Displays buttons for each available airplane type.
+    /// </summary>
+    public class AirplaneSelectionUI : MonoBehaviour
+    {
+        #region Inspector References
+        
+        [Header("UI References")]
+        [SerializeField] private Button jetPlaneButton;
+        [SerializeField] private Button bobbingPlaneButton;
+        [SerializeField] private Button dropPlaneButton;
+        [SerializeField] private Button confirmButton;
+        
+        [Header("Debug")]
+        [SerializeField] private bool showDebugLogs;
+        
+        #endregion
+        
+        #region State
+        
+        private AirplaneAbilityType selectedType;
+        private AirplaneSelectionButton selectedButtonComponent;
+        private bool hasConfirmed;
+        
+        public bool HasSelectedType => hasConfirmed;
+        
+        #endregion
+        
+        #region Events
+        
+        public event Action<AirplaneAbilityType> OnTypeSelected;
+        public event Action<AirplaneAbilityType> OnConfirmed;
+        
+        #endregion
+        
+        #region Lifecycle
+        
+        private void Awake()
+        {
+            // Setup button listeners
+            if (jetPlaneButton != null)
+                jetPlaneButton.onClick.AddListener(() => SelectType(AirplaneAbilityType.Jet, jetPlaneButton));
+            
+            if (bobbingPlaneButton != null)
+                bobbingPlaneButton.onClick.AddListener(() => SelectType(AirplaneAbilityType.Bobbing, bobbingPlaneButton));
+            
+            if (dropPlaneButton != null)
+                dropPlaneButton.onClick.AddListener(() => SelectType(AirplaneAbilityType.Drop, dropPlaneButton));
+            
+            if (confirmButton != null)
+            {
+                confirmButton.onClick.AddListener(ConfirmSelection);
+                confirmButton.interactable = false; // Disabled until selection made
+            }
+            
+            // Hide by default (deactivate container child, not root)
+            if (transform.childCount > 0)
+            {
+                Transform container = transform.GetChild(0);
+                container.gameObject.SetActive(false);
+            }
+        }
+        
+        #endregion
+        
+        #region Public API
+        
+        /// <summary>
+        /// Show the selection UI.
+        /// Activates the immediate child container.
+        /// Script should be on Root, with UI elements under a Container child.
+        /// </summary>
+        public void Show()
+        {
+            selectedType = AirplaneAbilityType.None;
+            selectedButtonComponent = null;
+            hasConfirmed = false;
+            
+            if (confirmButton != null)
+                confirmButton.interactable = false;
+            
+            // Reset all button highlights
+            ResetButtonHighlights();
+            
+            // Populate icons from settings
+            PopulateButtonIcons();
+            
+            // Activate the container (immediate child)
+            if (transform.childCount > 0)
+            {
+                Transform container = transform.GetChild(0);
+                container.gameObject.SetActive(true);
+                
+                if (showDebugLogs)
+                {
+                    Logging.Debug($"[AirplaneSelectionUI] Shown. Activated container: {container.name}");
+                }
+            }
+            else
+            {
+                Logging.Error("[AirplaneSelectionUI] No child container found! Expected structure: Root(script)->Container->UI Elements");
+            }
+        }
+        
+        /// <summary>
+        /// Hide the selection UI.
+        /// Deactivates the immediate child container.
+        /// </summary>
+        public void Hide()
+        {
+            // Deactivate the container (immediate child)
+            if (transform.childCount > 0)
+            {
+                Transform container = transform.GetChild(0);
+                container.gameObject.SetActive(false);
+                
+                if (showDebugLogs)
+                {
+                    Logging.Debug($"[AirplaneSelectionUI] Hidden. Deactivated container: {container.name}");
+                }
+            }
+        }
+        
+        /// <summary>
+        /// Get the selected airplane type.
+        /// </summary>
+        public AirplaneAbilityType GetSelectedType()
+        {
+            return selectedType;
+        }
+        
+        #endregion
+        
+        #region Private Methods
+        
+        private void SelectType(AirplaneAbilityType type, Button button)
+        {
+            if (type == AirplaneAbilityType.None)
+            {
+                Logging.Warning("[AirplaneSelectionUI] Attempted to select None type!");
+                return;
+            }
+            
+            selectedType = type;
+            
+            // Get the AirplaneSelectionButton component (on same GameObject as Button)
+            var buttonComponent = button.GetComponent<AirplaneSelectionButton>();
+            if (buttonComponent == null)
+            {
+                Logging.Warning($"[AirplaneSelectionUI] Button {button.name} is missing AirplaneSelectionButton component!");
+                return;
+            }
+            
+            selectedButtonComponent = buttonComponent;
+            
+            // Update visual feedback
+            ResetButtonHighlights();
+            HighlightButton(buttonComponent);
+            
+            // Enable confirm button
+            if (confirmButton != null)
+                confirmButton.interactable = true;
+            
+            // Fire event
+            OnTypeSelected?.Invoke(type);
+            
+            if (showDebugLogs)
+            {
+                Logging.Debug($"[AirplaneSelectionUI] Selected type: {type}");
+            }
+        }
+        
+        private void ConfirmSelection()
+        {
+            if (selectedType == AirplaneAbilityType.None)
+            {
+                Logging.Warning("[AirplaneSelectionUI] Cannot confirm - no type selected!");
+                return;
+            }
+            
+            hasConfirmed = true;
+            
+            // Fire event
+            OnConfirmed?.Invoke(selectedType);
+            
+            // Hide UI
+            Hide();
+        }
+        
+        private void ResetButtonHighlights()
+        {
+            // End highlight on all buttons
+            if (jetPlaneButton != null)
+            {
+                var component = jetPlaneButton.GetComponent<AirplaneSelectionButton>();
+                if (component != null) component.HighlightEnd();
+            }
+            
+            if (bobbingPlaneButton != null)
+            {
+                var component = bobbingPlaneButton.GetComponent<AirplaneSelectionButton>();
+                if (component != null) component.HighlightEnd();
+            }
+            
+            if (dropPlaneButton != null)
+            {
+                var component = dropPlaneButton.GetComponent<AirplaneSelectionButton>();
+                if (component != null) component.HighlightEnd();
+            }
+        }
+        
+        private void HighlightButton(AirplaneSelectionButton buttonComponent)
+        {
+            if (buttonComponent != null)
+            {
+                buttonComponent.HighlightStart();
+            }
+        }
+        
+        /// <summary>
+        /// Populate button icons from airplane settings.
+        /// Assumes Image component is on the same GameObject as the Button.
+        /// </summary>
+        private void PopulateButtonIcons()
+        {
+            // Get airplane settings
+            var settings = GameManager.GetSettingsObject<AppleHills.Core.Settings.IAirplaneSettings>();
+            if (settings == null)
+            {
+                if (showDebugLogs)
+                {
+                    Logging.Warning("[AirplaneSelectionUI] Could not load airplane settings for icons");
+                }
+                return;
+            }
+            
+            // Populate Jet button icon
+            if (jetPlaneButton != null)
+            {
+                var jetConfig = settings.GetAirplaneConfig(AirplaneAbilityType.Jet);
+                if (jetConfig != null && jetConfig.previewSprite != null)
+                {
+                    var image = jetPlaneButton.GetComponent<Image>();
+                    if (image != null)
+                    {
+                        image.sprite = jetConfig.previewSprite;
+                    }
+                }
+            }
+            
+            // Populate Bobbing button icon
+            if (bobbingPlaneButton != null)
+            {
+                var bobbingConfig = settings.GetAirplaneConfig(AirplaneAbilityType.Bobbing);
+                if (bobbingConfig != null && bobbingConfig.previewSprite != null)
+                {
+                    var image = bobbingPlaneButton.GetComponent<Image>();
+                    if (image != null)
+                    {
+                        image.sprite = bobbingConfig.previewSprite;
+                    }
+                }
+            }
+            
+            // Populate Drop button icon
+            if (dropPlaneButton != null)
+            {
+                var dropConfig = settings.GetAirplaneConfig(AirplaneAbilityType.Drop);
+                if (dropConfig != null && dropConfig.previewSprite != null)
+                {
+                    var image = dropPlaneButton.GetComponent<Image>();
+                    if (image != null)
+                    {
+                        image.sprite = dropConfig.previewSprite;
+                    }
+                }
+            }
+            
+            if (showDebugLogs)
+            {
+                Logging.Debug("[AirplaneSelectionUI] Populated airplane icons from settings");
+            }
+        }
+        
+        #endregion
+    }
+}
+