import { LightningElement, track, wire } from 'lwc';
import createRecords from '@salesforce/apex/ApexClass.createRecords';

export default class CustomTable extends LightningElement {
    @track tableData = []; // replace with actual data
    @track selectedRows = new Set(); //  to track selected rows

    //  handling checkbox changes
    handleCheckboxChange(event) {
        const rowId = event.target.dataset.id;
        if (event.target.checked) {
            this.selectedRows.add(rowId);
        } else {
            this.selectedRows.delete(rowId);
        }
    }

    // Function to prepare selected row data for Apex
    prepareSelectedData() {
        const selectedData = [];
        this.tableData.forEach((row) => {
            if (this.selectedRows.has(row.id)) {
                selectedData.push({
                    // Including field values you want to send to Apex
                    Id: row.id,
                    Field1__c: row.field1,
                    Field2__c: row.field2,
                });
            }
        });
        return selectedData;
    }

    // Function to create records when the user clicks the save button
    saveRecords() {
        const selectedData = this.prepareSelectedData();
        
        if (selectedData.length === 0) {
            // Handle the case where no rows are selected
            return;
        }

        // Call the Apex method to create records
        createRecords({ recordsToCreate: selectedData })
            .then((result) => {
                // Handle success message
            })
            .catch((error) => {
                // Handle errormessage
            });
    }
}