// --- Global State Variables ---
// MOVED chart instances to chartManager.js
// let chartInstancesScada = {}; // Separate instances for SCADA
// let chartInstancesDrawing = {}; // Separate instances for Drawing
let currentProjectData = {}; // Stores the LATEST full data received from SSE { project: {status, commit, progress}, ... }
let selectedProjectName = null; // Track the currently selected project (string)
let selectedProject = null; // Duplicate of selectedProjectName? Keep for now, investigate later.
// MOVED to modalManager.js
// let detailsModalInstance = null; // Bootstrap modal instance for the details popup
let currentVisibleSection = 'scada'; // Track visible section: 'scada', 'drawings', 'conflicts'
let eventSource = null; // Reference to the SSE EventSource object
let initialStatuses = {}; // Initial statuses passed from server (if any)
let isAnalysisGloballyActive = false; // NEW: Flag to indicate if *any* background analysis/check might be running

// Map backend list keys for modal clicks
const scadaListKeysMap = {
    found: ['found_both_list', 'found_scada_only_list'],
    notFound: ['found_drawing_only_list', 'missing_list']
};
const drawingListKeysMap = {
    found: ['found_both_list', 'found_drawing_only_list'],
    notFound: ['found_scada_only_list', 'missing_list']
};


// --- Utility Functions ---

// Debounce function to limit the rate at which a function can fire.
function debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
        const later = () => {
            clearTimeout(timeout);
            func(...args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    };
}

// Checks if the status message indicates ongoing processing
function isProcessing(statusMsg) {
    if (!statusMsg) return false; // Handle undefined/null status
    const lowerStatus = statusMsg.toLowerCase();

    // --- Keywords that indicate FINAL/NON-PROCESSING states --- 
    // (Return false immediately if any of these are found)
    if (lowerStatus.includes('analysis complete') ||
        lowerStatus.includes('no changes') || // Covers "Checked repo... No changes."
        lowerStatus.includes('error') || // Any error message is a final state
        lowerStatus.includes('warning') || // Warnings are usually non-processing
        lowerStatus.includes('n/a') || // Not applicable / initial state before selection
        lowerStatus.includes('no project') || // No project selected state
        lowerStatus.includes('updated successfully') || // Manifest/PDF upload success
        lowerStatus.includes('deleted successfully') // PDF/Project deletion success
    ) {
        return false;
    }

    // --- Keywords indicating ACTIVE processing --- 
    // (Return true if any of these are found AFTER checking final states)
    return lowerStatus.includes('initializ') || // initializing, initial...
           lowerStatus.includes('cloning') ||
           lowerStatus.includes('fetching') ||
           lowerStatus.includes('pulling') ||
           lowerStatus.includes('checking') || // checking repo, checking scada, checking drawings (but NOT "Checked repo... no changes")
           lowerStatus.includes('reading manifest') ||
           lowerStatus.includes('calculating') ||
           lowerStatus.includes('extracting') || // If PDF extraction status is sent
           lowerStatus.includes('loading data') || // From handleProjectChange initial state
           lowerStatus.includes('pending') || // e.g., Re-analysis pending
           lowerStatus.includes('triggered'); // e.g., Manual analysis triggered...
}

// Function to update the selected project state globally
function setSelectedProject(projectName) {
    selectedProjectName = projectName;
    selectedProject = projectName; // Keep both synced for now
    console.log(`[State] Selected project updated to: ${selectedProjectName}`);
}

// --- Export (if using modules in the future) ---
// export { chartInstancesScada, chartInstancesDrawing, currentProjectData, selectedProjectName, ... };
// For now, these are global, but designed for future modularity.