using System;
using System.IO;
using System.Linq;
using AIGame.EditorTools;
using UnityEditor;
using UnityEngine;

public static class BuildLanes
{
    const string Arena = "Assets/Bundles/Scenes/Prototype/PrototypeArena.prefab";
    const string Materials = "Assets/Bundles/Scenes/Prototype/Materials/";
    static Transform Group(string name, Transform parent)
    {
        var existing = parent.Find(name); if (existing != null) return existing;
        var go = new GameObject(name); go.layer = 30; go.transform.SetParent(parent, false); return go.transform;
    }
    static Transform Shape(string name, Transform parent, PrimitiveType primitive, Vector3 position, Vector3 scale, string material)
    {
        var shape = parent.Find(name);
        if (shape == null)
        {
            var go = GameObject.CreatePrimitive(primitive); go.name = name; go.layer = 30; go.transform.SetParent(parent, false); shape = go.transform;
            UnityEngine.Object.DestroyImmediate(go.GetComponent<Collider>());
        }
        shape.localPosition = position; shape.localScale = scale;
        var mat = AssetDatabase.LoadAssetAtPath<Material>(Materials + material + ".mat");
        if (mat == null) throw new Exception("Missing material " + material);
        shape.GetComponent<Renderer>().sharedMaterial = mat; return shape;
    }
    public static string Build()
    {
        if (EditorApplication.isPlaying) throw new Exception("Build lanes in Edit Mode");
        string repo = Directory.GetParent(Application.dataPath).Parent.FullName;
        foreach (string screen in new[] { "Formation", "Pets", "Battle", "Stages" })
            if (string.IsNullOrEmpty(JsonUIPrefabBuilder.BuildFromJsonFile(Path.Combine(repo, "Doc/UIPrefabCreater/UI_Prototype" + screen + ".json")))) throw new Exception("Failed " + screen);
        var root = PrefabUtility.LoadPrefabContents(Arena);
        try
        {
            var markers = Group("DeploymentMarkers", root.transform); var effects = Group("SkillEffects", root.transform);
            for (int slot = 0; slot < 6; slot++)
                Shape("Slot" + slot, markers, PrimitiveType.Cylinder, new Vector3(slot / 2 == 0 ? 0 : slot / 2 == 1 ? -3 : 3, .015f, slot % 2 == 0 ? 0 : -2), new Vector3(1.7f, .025f, 1.7f), "ProtoCream");
            string[] colors = { "ProtoCyan", "ProtoOrange", "ProtoLeaf", "ProtoYellow", "ProtoWater", "ProtoRock", "ProtoEmber", "ProtoGrass", "ProtoViolet", "ProtoCyan" };
            for (int i = 0; i < 10; i++)
            {
                Shape("Skill" + i, effects, PrimitiveType.Cylinder, Vector3.zero, new Vector3(1.5f, .04f, 1.5f), colors[i]).gameObject.SetActive(false);
                Shape("Shield" + i, effects, PrimitiveType.Cylinder, Vector3.zero, new Vector3(1.9f, .06f, 1.9f), "ProtoCyan").gameObject.SetActive(false);
                var crest = Shape("T2Crest", root.transform.Find("Heroes/Hero" + i), PrimitiveType.Cube, new Vector3(0, 2.0f, 0), Vector3.one * .24f, "ProtoYellow");
                crest.localRotation = Quaternion.Euler(0, 45, 45); crest.gameObject.SetActive(false);
            }
            for (int i = 0; i < 9; i++)
            {
                var mark = root.transform.Find("Enemies/Enemy" + i);
                var slow = Shape("SlowMark", mark, PrimitiveType.Cylinder, new Vector3(0, .015f, 0), new Vector3(1.1f, .03f, 1.1f), "ProtoWater"); slow.gameObject.SetActive(false);
            }
            foreach (Transform child in root.transform.Cast<Transform>().Where(t => t.name == "Lane" || t.name.StartsWith("LaneRoad")))
                child.GetComponent<Renderer>().sharedMaterial = AssetDatabase.LoadAssetAtPath<Material>(Materials + "ProtoPath.mat");
            PrefabUtility.SaveAsPrefabAsset(root, Arena);
        }
        finally { PrefabUtility.UnloadPrefabContents(root); }
        SetupUiBundleCollector.Setup(); AssetDatabase.SaveAssets();
        return "Built four Candy pages, authored drag handles/ghost, three-lane markers, ten skill/shield slots and T2 crests.";
    }
}