import { z } from "zod";
import { handleToolError, validateRequired } from "../helpers/errorHandler.js";
import { getCurrentProjectInfo, callLocalFileEndpoint, buildLocalFileErrorResponse } from "./helpers.js";
import { isProtectedLayoutPath, buildProtectedLayoutPathError } from "./protectedPaths.js";

export function registerAcaiDeleteTool(server) {
    server.tool(
        "acai-delete",
        "Delete a file inside the project. Destructive operation.",
        {
            file_path: z.string().describe("Path relative to the project root"),
            expected_sha256: z.string().optional().describe("Optional safety check before deletion"),
        },
        { readOnlyHint: false, destructiveHint: true },
        async ({ file_path, expected_sha256 }) => {
            try {
                const validationError = validateRequired({ file_path }, ["file_path"], "acai-delete");
                if (validationError) return validationError;

                if (isProtectedLayoutPath(file_path)) {
                    return buildProtectedLayoutPathError(file_path);
                }

                const { projectSlug, projectDir } = getCurrentProjectInfo();
                const result = await callLocalFileEndpoint("POST", "/api/files/delete", {
                    project: projectSlug,
                    projectDir: projectDir,
                    relativePath: file_path,
                    expectedSha256: expected_sha256 || "",
                });
                if (!result.data?.success) {
                    return buildLocalFileErrorResponse("acai-delete", result, { file_path });
                }
                const data = result.data;

                return {
                    content: [{
                        type: "text",
                        text: JSON.stringify({
                            success: true,
                            file_path: data.filePath,
                            deleted: data.deleted,
                        }, null, 2),
                    }],
                };
            } catch (error) {
                return handleToolError(error, "acai-delete", { file_path });
            }
        }
    );
}