using UnityEngine;
using UnityEditor;
using UnityEngine.UI;

public static class SetupShootingAndAmmo
{
    [MenuItem("Tools/Setup Shooting & Ammo System")]
    public static void Setup()
    {
        // 1. Находим игрока (PlayerMovement)
        PlayerMovement playerMovement = Object.FindAnyObjectByType<PlayerMovement>();
        if (playerMovement == null)
        {
            Debug.LogError("[Setup] Не найден объект игрока с компонентом PlayerMovement!");
            return;
        }

        GameObject playerGo = playerMovement.gameObject;
        Undo.RegisterFullObjectHierarchyUndo(playerGo, "Setup Shooting");

        // 2. Добавляем / настраиваем PlayerGun на игроке
        PlayerGun playerGun = playerGo.GetComponent<PlayerGun>();
        if (playerGun == null)
        {
            playerGun = playerGo.AddComponent<PlayerGun>();
        }

        // 3. Создаем плейсхолдер модель оружия (GunHolder), если еще нет
        Transform existingGun = playerGo.transform.Find("GunHolder");
        if (existingGun != null)
        {
            Object.DestroyImmediate(existingGun.gameObject);
        }

        GameObject gunHolder = new GameObject("GunHolder");
        gunHolder.transform.SetParent(playerGo.transform, false);
        // Позиционируем справа на уровне пояса / руки
        gunHolder.transform.localPosition = new Vector3(0.35f, 1.0f, 0.45f);
        gunHolder.transform.localRotation = Quaternion.identity;

        // Создаем детали пистолета-заглушки
        // А. Затвор / Ствол
        GameObject slide = GameObject.CreatePrimitive(PrimitiveType.Cube);
        slide.name = "Pistol_Slide";
        slide.transform.SetParent(gunHolder.transform, false);
        slide.transform.localPosition = new Vector3(0f, 0.05f, 0.1f);
        slide.transform.localScale = new Vector3(0.08f, 0.08f, 0.3f);
        Object.DestroyImmediate(slide.GetComponent<Collider>());

        // Б. Рукоятка
        GameObject grip = GameObject.CreatePrimitive(PrimitiveType.Cube);
        grip.name = "Pistol_Grip";
        grip.transform.SetParent(gunHolder.transform, false);
        grip.transform.localPosition = new Vector3(0f, -0.05f, 0.02f);
        grip.transform.localRotation = Quaternion.Euler(15f, 0f, 0f);
        grip.transform.localScale = new Vector3(0.07f, 0.16f, 0.08f);
        Object.DestroyImmediate(grip.GetComponent<Collider>());

        // В. Ствол на конце
        GameObject barrel = GameObject.CreatePrimitive(PrimitiveType.Cylinder);
        barrel.name = "Pistol_Barrel";
        barrel.transform.SetParent(gunHolder.transform, false);
        barrel.transform.localPosition = new Vector3(0f, 0.05f, 0.26f);
        barrel.transform.localRotation = Quaternion.Euler(90f, 0f, 0f);
        barrel.transform.localScale = new Vector3(0.04f, 0.04f, 0.04f);
        Object.DestroyImmediate(barrel.GetComponent<Collider>());

        // Точка вылета пули
        GameObject muzzleGo = new GameObject("MuzzlePoint");
        muzzleGo.transform.SetParent(gunHolder.transform, false);
        muzzleGo.transform.localPosition = new Vector3(0f, 0.05f, 0.32f);

        // Вспышка (свет)
        GameObject flashGo = new GameObject("MuzzleFlashLight");
        flashGo.transform.SetParent(muzzleGo.transform, false);
        flashGo.transform.localPosition = Vector3.zero;
        Light flashLight = flashGo.AddComponent<Light>();
        flashLight.type = LightType.Point;
        flashLight.color = new Color(1f, 0.85f, 0.4f);
        flashLight.range = 5f;
        flashLight.intensity = 3f;
        flashLight.enabled = false;

        // Назначаем ссылки в PlayerGun
        playerGun.gunModelTransform = gunHolder.transform;
        playerGun.muzzlePoint = muzzleGo.transform;
        playerGun.muzzleFlashLight = flashLight;
        playerGun.isGunEquipped = false;
        playerGun.UpdateGunVisibility();

        // Покрасим пистолет в стильный темный цвет
        Material gunMat = new Material(Shader.Find("Universal Render Pipeline/Lit"));
        if (gunMat.shader == null || !gunMat.shader.isSupported)
        {
            gunMat = new Material(Shader.Find("Standard"));
        }
        gunMat.color = new Color(0.15f, 0.16f, 0.18f, 1f);
        slide.GetComponent<Renderer>().material = gunMat;
        grip.GetComponent<Renderer>().material = gunMat;
        barrel.GetComponent<Renderer>().material = gunMat;

        // 4. Настраиваем UI патронов на HUD_Canvas
        GameObject canvasGo = GameObject.Find("HUD_Canvas");
        if (canvasGo == null)
        {
            SetupHealthBarHUD.Setup();
            canvasGo = GameObject.Find("HUD_Canvas");
        }

        Transform existingAmmoUI = canvasGo.transform.Find("AmmoPanel");
        if (existingAmmoUI != null)
        {
            Object.DestroyImmediate(existingAmmoUI.gameObject);
        }

        // Ammo Root Container (под полоской здоровья)
        GameObject ammoContainer = new GameObject("AmmoPanel", typeof(RectTransform));
        ammoContainer.transform.SetParent(canvasGo.transform, false);
        RectTransform ammoRect = ammoContainer.GetComponent<RectTransform>();
        ammoRect.anchorMin = new Vector2(1f, 1f);
        ammoRect.anchorMax = new Vector2(1f, 1f);
        ammoRect.pivot = new Vector2(1f, 1f);
        ammoRect.anchoredPosition = new Vector2(-40f, -84f);
        ammoRect.sizeDelta = new Vector2(280f, 40f);

        // Background
        GameObject bgGo = new GameObject("Background", typeof(RectTransform), typeof(Image));
        bgGo.transform.SetParent(ammoContainer.transform, false);
        RectTransform bgRect = bgGo.GetComponent<RectTransform>();
        bgRect.anchorMin = Vector2.zero;
        bgRect.anchorMax = Vector2.one;
        bgRect.offsetMin = Vector2.zero;
        bgRect.offsetMax = Vector2.zero;
        Image bgImg = bgGo.GetComponent<Image>();
        bgImg.color = new Color(0.08f, 0.08f, 0.08f, 0.85f);

        Font defaultFont = Resources.GetBuiltinResource<Font>("LegacyRuntime.ttf");
        if (defaultFont == null) defaultFont = Resources.GetBuiltinResource<Font>("Arial.ttf");

        // Иконка / Лейбл "AMMO"
        GameObject labelGo = new GameObject("Text_Label", typeof(RectTransform), typeof(Text));
        labelGo.transform.SetParent(ammoContainer.transform, false);
        RectTransform labelRect = labelGo.GetComponent<RectTransform>();
        labelRect.anchorMin = new Vector2(0f, 0f);
        labelRect.anchorMax = new Vector2(0.4f, 1f);
        labelRect.offsetMin = new Vector2(12f, 0f);
        labelRect.offsetMax = Vector2.zero;
        Text labelText = labelGo.GetComponent<Text>();
        labelText.text = "ПАТРОНЫ";
        labelText.font = defaultFont;
        labelText.fontSize = 14;
        labelText.fontStyle = FontStyle.Bold;
        labelText.alignment = TextAnchor.MiddleLeft;
        labelText.color = new Color(0.7f, 0.7f, 0.7f, 0.9f);

        // Текст патронов (7 / 21)
        GameObject countGo = new GameObject("Text_Count", typeof(RectTransform), typeof(Text));
        countGo.transform.SetParent(ammoContainer.transform, false);
        RectTransform countRect = countGo.GetComponent<RectTransform>();
        countRect.anchorMin = new Vector2(0.4f, 0f);
        countRect.anchorMax = new Vector2(1f, 1f);
        countRect.offsetMin = Vector2.zero;
        countRect.offsetMax = new Vector2(-12f, 0f);
        Text countText = countGo.GetComponent<Text>();
        countText.text = "7 / 21";
        countText.font = defaultFont;
        countText.fontSize = 20;
        countText.fontStyle = FontStyle.Bold;
        countText.alignment = TextAnchor.MiddleRight;
        countText.color = Color.white;

        // Текст статуса / подсказки под панелью
        GameObject statusGo = new GameObject("Text_Status", typeof(RectTransform), typeof(Text));
        statusGo.transform.SetParent(ammoContainer.transform, false);
        RectTransform statusRect = statusGo.GetComponent<RectTransform>();
        statusRect.anchorMin = new Vector2(0f, 0f);
        statusRect.anchorMax = new Vector2(1f, 0f);
        statusRect.pivot = new Vector2(0.5f, 1f);
        statusRect.anchoredPosition = new Vector2(0f, -4f);
        statusRect.sizeDelta = new Vector2(280f, 22f);
        Text statusText = statusGo.GetComponent<Text>();
        statusText.text = "";
        statusText.font = defaultFont;
        statusText.fontSize = 13;
        statusText.fontStyle = FontStyle.Bold;
        statusText.alignment = TextAnchor.MiddleRight;
        statusText.color = new Color(1f, 0.85f, 0.2f, 1f);

        // PlayerAmmoUI компонент
        PlayerAmmoUI ammoUI = ammoContainer.AddComponent<PlayerAmmoUI>();
        ammoUI.playerGun = playerGun;
        ammoUI.ammoText = countText;
        ammoUI.statusText = statusText;

        // 5. Создаем 2 коробки с патронами на уровне рядом с игроком
        CreateAmmoBox(playerGo.transform.position + playerGo.transform.forward * 3f + playerGo.transform.right * 1.5f, 14);
        CreateAmmoBox(playerGo.transform.position + playerGo.transform.forward * 6f - playerGo.transform.right * 2f, 21);

        Undo.RegisterCreatedObjectUndo(gunHolder, "Create Gun Holder");
        Undo.RegisterCreatedObjectUndo(ammoContainer, "Create Ammo HUD");
        UnityEditor.SceneManagement.EditorSceneManager.MarkSceneDirty(playerGo.scene);

        Debug.Log("<color=green>[Setup] Механика стрельбы, пистолет, патроны и UI успешно настроены!</color>");
    }

    private static void CreateAmmoBox(Vector3 position, int ammoCount)
    {
        GameObject boxGo = GameObject.CreatePrimitive(PrimitiveType.Cube);
        boxGo.name = $"AmmoBox_({ammoCount})";
        boxGo.transform.position = position + Vector3.up * 0.25f;
        boxGo.transform.localScale = new Vector3(0.4f, 0.3f, 0.3f);

        // Коллайдер делаем триггером
        Collider col = boxGo.GetComponent<Collider>();
        col.isTrigger = true;

        // Скрипт подбора
        AmmoPickup pickup = boxGo.AddComponent<AmmoPickup>();
        pickup.ammoAmount = ammoCount;
        pickup.pickupOnTouch = true;

        // Военный зеленый / оранжевый материал
        Material boxMat = new Material(Shader.Find("Universal Render Pipeline/Lit"));
        if (boxMat.shader == null || !boxMat.shader.isSupported)
        {
            boxMat = new Material(Shader.Find("Standard"));
        }
        boxMat.color = new Color(0.2f, 0.45f, 0.25f, 1f); // Темно-зеленый армейский ящик
        boxGo.GetComponent<Renderer>().material = boxMat;

        Undo.RegisterCreatedObjectUndo(boxGo, "Create Ammo Box");
    }
}