Untitled Page

// ==UserScript==
// @name         EPFO Service History Date & Total Service Modifier
// @namespace    http://tampermonkey.net/
// @version      1.2
// @description  Modifies dates by Member ID and automatically recalculates Total Service duration.
// @author       You
// @match        https://passbook.epfindia.gov.in/MemberPassBook/service-history*
// @run-at       document-end
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // CONFIGURATION: Map Member IDs to your custom dates
    // Format: "DD-Mon-YYYY" (e.g., "01-Jan-2024")
    const dateOverrides = {
        "TNMAS00313090001723119": {
            joining: "01-Jul-2016",
            exit: "30-Sep-2016"
        },
        "PYKRP26032100000010199": {
            joining: "01-Nov-2016",
            exit: "25-Apr-2022"
        }
        // Add more Member IDs here as needed:
        // "YOUR_MEMBER_ID_HERE": { joining: "DD-Mon-YYYY", exit: "DD-Mon-YYYY" }
    };

    let isApplyingChanges = false;

    // Helper function to calculate duration between two date strings (DD-Mon-YYYY)
    function calculateServiceDuration(startDateStr, endDateStr) {
        const parseDate = (str) => {
            const parts = str.split('-');
            if (parts.length !== 3) return null;
            const monthsMap = { Jan: 0, Feb: 1, Mar: 2, Apr: 3, May: 4, Jun: 5, Jul: 6, Aug: 7, Sep: 8, Oct: 9, Nov: 10, Dec: 11 };
            return new Date(parseInt(parts[2], 10), monthsMap[parts[1]], parseInt(parts[0], 10));
        };

        const start = parseDate(startDateStr);
        const end = parseDate(endDateStr);
        if (!start || !end || start > end) return "0 Years 0 Months 0 Days";

        let years = end.getFullYear() - start.getFullYear();
        let months = end.getMonth() - start.getMonth();
        let days = end.getDate() - start.getDate() + 1; // Inclusive of start date

        if (days < 0) {
            months -= 1;
            const prevMonth = new Date(end.getFullYear(), end.getMonth(), 0);
            days += prevMonth.getDate();
        }
        if (months < 0) {
            years -= 1;
            months += 12;
        }

        return `${years} Years ${months} Months ${days} Days`;
    }

    function modifyDatesAndService() {
        if (isApplyingChanges) return;

        const timelineItems = document.querySelectorAll('.timeline-item');
        if (!timelineItems.length) return;

        isApplyingChanges = true;

        timelineItems.forEach(item => {
            if (item.dataset.modified === "true") return;

            const pElements = item.querySelectorAll('p');
            let targetMemberId = null;

            pElements.forEach(p => {
                const text = p.textContent.trim();
                if (dateOverrides[text]) {
                    targetMemberId = text;
                }
            });

            if (targetMemberId) {
                const overrides = dateOverrides[targetMemberId];
                const rows = item.querySelectorAll('.row .row');

                let currentJoining = null;
                let currentExit = null;
                let totalServiceValEl = null;

                // First pass: Update dates and capture current values for service calculation
                rows.forEach(row => {
                    const labelEl = row.querySelector('.col-md-4 p');
                    const valueEl = row.querySelector('.col-md-8 p');

                    if (labelEl && valueEl) {
                        const labelText = labelEl.textContent.trim();

                        if (labelText === 'Joining Date') {
                            if (overrides.joining) {
                                valueEl.innerHTML = `${overrides.joining}&nbsp; <span class="fa fa-calendar"></span>`;
                            }
                            currentJoining = valueEl.textContent.trim().split(' ')[0];
                        }

                        if (labelText === 'Exit Date') {
                            if (overrides.exit) {
                                valueEl.innerHTML = `${overrides.exit}&nbsp; <span class="fa fa-calendar"></span>`;
                            }
                            currentExit = valueEl.textContent.trim().split(' ')[0];
                        }

                        if (labelText === 'Total Service') {
                            totalServiceValEl = valueEl.querySelector('.border-text') || valueEl;
                        }
                    }
                });

                // Second pass: Recalculate and update Total Service if both dates are present
                if (currentJoining && currentExit && totalServiceValEl) {
                    const newDuration = calculateServiceDuration(currentJoining, currentExit);
                    totalServiceValEl.textContent = ` ${newDuration} `;
                    console.log(`[EPFO Modifier] Updated ${targetMemberId} -> Joining: ${currentJoining}, Exit: ${currentExit}, Total: ${newDuration}`);
                }

                // Mark as processed to prevent infinite loops
                item.dataset.modified = "true";
            }
        });

        setTimeout(() => {
            isApplyingChanges = false;
        }, 50);
    }

    // Run on load
    window.addEventListener('load', modifyDatesAndService);

    // Watch for dynamic DOM updates safely with debounce
    let timeoutId = null;
    const observer = new MutationObserver(() => {
        if (isApplyingChanges) return;
        clearTimeout(timeoutId);
        timeoutId = setTimeout(() => {
            modifyDatesAndService();
        }, 200);
    });

    observer.observe(document.body, { childList: true, subtree: true });
})();