import { z } from "zod";
import { withAuth, getSessionCredentials } from "../../auth/index.js";
import { handleToolError, validateRequired, handleApiResponse } from "../helpers/errorHandler.js";
import { withAuthParams } from "../helpers/authSchema.js";
import { AcaiHttpClient } from "../helpers/acaiHttpClient.js";

export function registerReorderModuleTool(server) {
    server.tool(
        "reorder_module",
        `Move a module from one position to another in a record's builder array.
Use list_page_modules first to see current positions.

Table names WITHOUT 'cms_' prefix. The recordNum is the 'num' primary key.`,
        withAuthParams({
            tableName: z.string().describe("Table name without cms_ prefix (e.g. 'apartados')"),
            recordNum: z.union([z.string(), z.number()]).describe("Record num (primary key)"),
            fromPosition: z.number().describe("Current position of the module (0-based)"),
            toPosition: z.number().describe("Target position to move the module to (0-based)"),
        }),
        { readOnlyHint: false, destructiveHint: false },
        withAuth(async ({ tableName, recordNum, fromPosition, toPosition }, extra) => {
            try {
                const validationError = validateRequired(
                    { tableName, recordNum },
                    ['tableName', 'recordNum'],
                    'reorder_module'
                );
                if (validationError) return validationError;

                const credentials = await getSessionCredentials(extra.sessionId);
                const response = await AcaiHttpClient.postViewerAction(
                    credentials,
                    "reorderModule",
                    {
                        tableName,
                        recordNum,
                        fromPosition,
                        toPosition,
                    },
                    credentials.token,
                    credentials.tokenHash,
                    {},
                    15000
                );

                const apiError = handleApiResponse(response.data, 'reorder_module');
                if (apiError) return apiError;

                return {
                    content: [{
                        type: "text",
                        text: JSON.stringify({
                            success: true,
                            action: 'reorder_module',
                            ...response.data,
                        }, null, 2)
                    }],
                };
            } catch (error) {
                return handleToolError(error, 'reorder_module', { tableName, recordNum, fromPosition, toPosition });
            }
        })
    );
}