import { readFileSync } from 'fs';
import { normalizeParameters, validateSubPath, validateProjectArgs, createErrorResponse, getErrorMessage, projectGodotPath, } from '../utils/godot-runner.js';
import { parseAutoloads, addAutoloadEntry, removeAutoloadEntry, updateAutoloadEntry, } from '../utils/autoload-ini.js';
// --- Tool definitions ---
export const autoloadToolDefinitions = [
    {
        name: 'list_autoloads',
        description: 'List all registered autoloads in a project with paths and singleton status. Use first when diagnosing headless failures — broken autoloads crash all headless ops, so this tells you what is loaded. No Godot process required (reads project.godot directly). Returns: [{ name, path, singleton }].',
        annotations: { readOnlyHint: true },
        inputSchema: {
            type: 'object',
            properties: {
                projectPath: { type: 'string', description: 'Path to the Godot project directory' },
            },
            required: ['projectPath'],
        },
    },
    {
        name: 'add_autoload',
        description: 'Register a new autoload in a project. autoloadPath accepts "res://..." or a project-relative path (auto-prefixed). singleton defaults true (accessible globally by name). No Godot process required. Warning: autoloads initialize in headless mode — a broken script will crash every subsequent headless op; validate before adding. Returns plain-text confirmation with the registered name, path, and singleton flag. Errors if an autoload with the same name already exists; use update_autoload to modify.',
        inputSchema: {
            type: 'object',
            properties: {
                projectPath: { type: 'string', description: 'Path to the Godot project directory' },
                autoloadName: {
                    type: 'string',
                    description: 'Name of the autoload node (e.g. "MyManager")',
                },
                autoloadPath: {
                    type: 'string',
                    description: 'Path to the script or scene (e.g. "res://autoload/my_manager.gd" or "autoload/my_manager.gd")',
                },
                singleton: {
                    type: 'boolean',
                    description: 'Register as a globally accessible singleton by name (default: true)',
                },
            },
            required: ['projectPath', 'autoloadName', 'autoloadPath'],
        },
    },
    {
        name: 'remove_autoload',
        description: 'Unregister an autoload from a project by name. Use to recover from a broken autoload that is crashing headless ops. No Godot process required. Returns plain-text confirmation on success. Errors if no autoload with that name exists.',
        annotations: { destructiveHint: true },
        inputSchema: {
            type: 'object',
            properties: {
                projectPath: { type: 'string', description: 'Path to the Godot project directory' },
                autoloadName: { type: 'string', description: 'Name of the autoload to remove' },
            },
            required: ['projectPath', 'autoloadName'],
        },
    },
    {
        name: 'update_autoload',
        description: "Modify an existing autoload's path or singleton flag. Pass either or both — omitted fields keep their current value. Use instead of remove_autoload + add_autoload (single edit, no orphan window). No Godot process required. Returns plain-text confirmation on success. Errors if autoloadName is not registered.",
        annotations: { idempotentHint: true },
        inputSchema: {
            type: 'object',
            properties: {
                projectPath: { type: 'string', description: 'Path to the Godot project directory' },
                autoloadName: { type: 'string', description: 'Name of the autoload to update' },
                autoloadPath: { type: 'string', description: 'New path to the script or scene' },
                singleton: { type: 'boolean', description: 'New singleton flag' },
            },
            required: ['projectPath', 'autoloadName'],
        },
    },
];
// --- Handlers ---
export function handleListAutoloads(args) {
    args = normalizeParameters(args);
    const v = validateProjectArgs(args);
    if ('isError' in v)
        return v;
    try {
        const projectFile = projectGodotPath(v.projectPath);
        const autoloads = parseAutoloads(projectFile);
        return { content: [{ type: 'text', text: JSON.stringify(autoloads) }] };
    }
    catch (error) {
        return createErrorResponse(`Failed to list autoloads: ${getErrorMessage(error)}`, [
            'Check if project.godot is accessible',
        ]);
    }
}
export function handleAddAutoload(args) {
    args = normalizeParameters(args);
    const v = validateProjectArgs(args);
    if ('isError' in v)
        return v;
    if (!args.autoloadName || !args.autoloadPath) {
        return createErrorResponse('autoloadName and autoloadPath are required', [
            'Provide the autoload node name and script/scene path',
        ]);
    }
    if (!validateSubPath(v.projectPath, args.autoloadPath)) {
        return createErrorResponse('Invalid autoload path', [
            'Provide a valid relative path or res:// URI that stays inside the project directory',
        ]);
    }
    try {
        const projectFile = projectGodotPath(v.projectPath);
        const projectFileContent = readFileSync(projectFile, 'utf8');
        const existing = parseAutoloads(projectFile, projectFileContent);
        if (existing.some((a) => a.name === args.autoloadName)) {
            return createErrorResponse(`Autoload '${args.autoloadName}' already exists`, [
                'Use update_autoload to modify it',
                'Use list_autoloads to see current autoloads',
            ]);
        }
        const isSingleton = args.singleton !== false;
        addAutoloadEntry(projectFile, args.autoloadName, args.autoloadPath, isSingleton, projectFileContent);
        return {
            content: [
                {
                    type: 'text',
                    text: `Autoload '${args.autoloadName}' registered at '${args.autoloadPath}' (singleton: ${isSingleton}).\nWarning: autoloads initialize in headless mode too. If this script has errors, all headless operations will fail. Verify by running get_scene_tree — if it fails, use remove_autoload to remove it.`,
                },
            ],
        };
    }
    catch (error) {
        return createErrorResponse(`Failed to add autoload: ${getErrorMessage(error)}`, [
            'Check if project.godot is accessible',
        ]);
    }
}
export function handleRemoveAutoload(args) {
    args = normalizeParameters(args);
    const v = validateProjectArgs(args);
    if ('isError' in v)
        return v;
    if (!args.autoloadName) {
        return createErrorResponse('autoloadName is required', [
            'Provide the name of the autoload to remove',
        ]);
    }
    try {
        const projectFile = projectGodotPath(v.projectPath);
        const removed = removeAutoloadEntry(projectFile, args.autoloadName);
        if (!removed) {
            return createErrorResponse(`Autoload '${args.autoloadName}' not found`, [
                'Use list_autoloads to see existing autoloads',
            ]);
        }
        return {
            content: [{ type: 'text', text: `Autoload '${args.autoloadName}' removed successfully.` }],
        };
    }
    catch (error) {
        return createErrorResponse(`Failed to remove autoload: ${getErrorMessage(error)}`, [
            'Check if project.godot is accessible',
        ]);
    }
}
export function handleUpdateAutoload(args) {
    args = normalizeParameters(args);
    const v = validateProjectArgs(args);
    if ('isError' in v)
        return v;
    if (!args.autoloadName) {
        return createErrorResponse('autoloadName is required', [
            'Provide the name of the autoload to update',
        ]);
    }
    if (args.autoloadPath && !validateSubPath(v.projectPath, args.autoloadPath)) {
        return createErrorResponse('Invalid autoload path', [
            'Provide a valid relative path or res:// URI that stays inside the project directory',
        ]);
    }
    try {
        const projectFile = projectGodotPath(v.projectPath);
        const updated = updateAutoloadEntry(projectFile, args.autoloadName, args.autoloadPath, args.singleton);
        if (!updated) {
            return createErrorResponse(`Autoload '${args.autoloadName}' not found`, [
                'Use list_autoloads to see existing autoloads',
                'Use add_autoload to register a new one',
            ]);
        }
        return {
            content: [{ type: 'text', text: `Autoload '${args.autoloadName}' updated successfully.` }],
        };
    }
    catch (error) {
        return createErrorResponse(`Failed to update autoload: ${getErrorMessage(error)}`, [
            'Check if project.godot is accessible',
        ]);
    }
}
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