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

export function registerGetModuleConfigVarsTool(server) {
    server.tool(
        "get_module_config_vars",
        `Get the current configuration variable values for a module instance on a page record. Returns resolved values (text, HTML, etc.) for simple vars and arrays of objects for multi/repeater vars.

Required params:
- tableName (string) without 'cms_' prefix
- recordNum (number) record primary key ('num' field, never 'id')
- sectionId (string) section ID of the module instance`,
        withAuthParams({
            tableName: z.string().describe("Parent table name (e.g. 'apartados')"),
            recordNum: z.number().describe("Parent record number"),
            sectionId: z.string().describe("Section ID of the module instance"),
        }),
        { readOnlyHint: true, destructiveHint: false },
        withAuth(async ({ tableName, recordNum, sectionId }, extra) => {
            try {
                const validationError = validateRequired({ tableName, recordNum, sectionId }, ['tableName', 'recordNum', 'sectionId'], 'get_module_config_vars');
                if (validationError) return validationError;

                const sessionId = extra.sessionId;
                const credentials = await getSessionCredentials(sessionId);
                const payload = {
                    tableName,
                    recordNum,
                    sectionId
                };

                const response = await AcaiHttpClient.getModuleConfigVars(
                    credentials,
                    credentials.token,
                    credentials.tokenHash,
                    payload
                );

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

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