/*
┌──────────────────────────────────────────────────────────────────┐
│  Author: Ivan Murzak (https://github.com/IvanMurzak)             │
│  Repository: GitHub (https://github.com/IvanMurzak/Unity-MCP)    │
│  Copyright (c) 2025 Ivan Murzak                                  │
│  Licensed under the Apache License, Version 2.0.                 │
│  See the LICENSE file in the project root for more information.  │
└──────────────────────────────────────────────────────────────────┘
*/

#nullable enable
using com.IvanMurzak.McpPlugin;

namespace com.IvanMurzak.Unity.MCP.Editor.API
{
    [AiToolType]
    public partial class Tool_Assets
    {
        public static class Error
        {
            public static string NeitherProvided_AssetPath_AssetGuid()
                => $"Neither 'assetPath' or 'assetGuid' provided. Please provide at least one of them.";

            public static string NotFoundAsset(string assetPath, string assetGuid)
                => $"Asset not found. Path: '{assetPath}'. GUID: '{assetGuid}'.\n" +
                   $"Please check if the asset is in the project and the path is correct.";

            public static string SourceOrDestinationPathIsEmpty()
                => "Source or destination path is empty. Please provide a valid path. Sample: \"Assets/Scripts/MyScript.cs\".";

            public static string SourcePathsArrayIsEmpty()
                => "Source paths array is empty. Please provide a valid path. Sample: \"Assets/Scripts/MyScript.cs\".";

            public static string SourcePathIsEmpty()
                => "Source path is empty. Please provide a valid path. Sample: \"Assets/Scripts/MyScript.cs\".";

            public static string SourceAndDestinationPathsArrayMustBeOfTheSameLength()
                => "Source and destination paths arrays must be of the same length.";

            public static string NotAllowedToModifyAssetInPackages(string assetPath)
                => $"Not allowed to modify asset in '/Packages' folder. Please modify it in '/Assets' folder. Path: '{assetPath}'.";

            public static string EmptyAssetPath()
                => "Asset path is empty. Please provide a valid path. Sample: \"Assets/Scripts/MyScript.cs\".";
            public static string AssetPathMustStartWithAssets(string assetPath)
                => $"Asset path must start with 'Assets/'. Path: '{assetPath}'.";
            public static string AssetPathMustEndWithMat(string assetPath)
                => $"Asset path must end with '.mat'. Path: '{assetPath}'.";
            public static string ShaderNotFound(string shaderName)
                => $"Shader not found. Name: '{shaderName}'. Please check if the shader is in the project and the name is correct.";

            // public static string MaterialsPrinted => string.Join("\n", AssetDatabase.FindAssets("t:Material"));
        }

        // Shared skill metadata for `assets-modify`. The Unity 6.5 and pre-6.5 implementations
        // diverge in behavioral code but their SKILL.md description/body are identical,
        // so we keep the strings here once instead of duplicating them across both files.
        internal static class ModifySkill
        {
            public const string Description =
                "Modify an asset file in the project. " +
                "Use '" + AssetsGetDataToolId + "' first to inspect the asset structure before modifying. " +
                "Not allowed to modify asset files in the 'Packages/' folder — modify them in 'Assets/'. " +
                "Three modification surfaces are available (content, pathPatches, jsonPatch) — see the skill body for details.";

            public const string Body =
                "## Three modification surfaces\n\n" +
                "Use whichever fits the task:\n\n" +
                "1. `content` — full `SerializedMember` override (legacy, backwards compatible).\n" +
                "2. `pathPatches` — list of `{path, value}` pairs routed through `Reflector.TryModifyAt`.\n" +
                "3. `jsonPatch` — JSON Merge Patch routed through `Reflector.TryPatch`.\n\n" +
                "When more than one is supplied they run in this order: `jsonPatch` → `pathPatches` → `content`. At least one is required.\n\n" +
                "## Path syntax\n\n" +
                "`fieldName`, `nested/field`, `arrayField/[i]`, `dictField/[key]`. Leading `#/` is stripped.";
        }
    }
}