// Verify MC - Add Encounter Application
// Enterprise-grade medical marijuana SaaS workflow

class VerifyMCApp {
    constructor() {
        this.currentStep = 1;
        this.totalSteps = 5;
        this.patients = [];
        this.selectedPatient = null;
        this.encounterData = {
            conditions: [],
            therapies: [],
            productForms: [],
            compliance: {},
            details: {}
        };
        this.transcript = [];
        this.isRecording = false;
        this.isPaused = false;
        this.recordingTime = 0;
        this.recordingInterval = null;
        this.currentFilter = 'all';
        this.copilotOpen = false;
        
        this.init();
    }

    init() {
        this.generateMockPatients();
        this.renderStepper();
        this.renderPatients();
        this.initWaveform();
        this.updateProgress();
        this.startAutoSave();
        
        // Keyboard shortcuts
        document.addEventListener('keydown', (e) => {
            if (e.metaKey && e.key === 'k') {
                e.preventDefault();
                this.toggleCopilot();
            }
            if (e.key === 'Escape') {
                this.closeWalkInModal();
                this.closePreview();
            }
        });
    }

    // Data Generation
    generateMockPatients() {
        const conditions = ['Chronic Pain', 'PTSD', 'Neuropathy', 'MS Spasticity', 'Cancer-related Nausea'];
        const statuses = ['checked-in', 'in-room', 'waiting', 'renewal', 'high-risk'];
        
        this.patients = [
            {
                id: 1,
                firstName: 'James',
                lastName: 'Wilson',
                dob: '1985-03-15',
                mrn: 'MRN-2024-001',
                registryId: 'CA-MMJ-789456',
                status: 'checked-in',
                lastVisit: '2024-01-15',
                nextRenewal: '2025-01-15',
                conditions: ['Chronic Pain', 'PTSD'],
                avatar: 'JW',
                aiSuggested: true,
                reason: 'Follow-up appointment scheduled'
            },
            {
                id: 2,
                firstName: 'Maria',
                lastName: 'Garcia',
                dob: '1978-11-22',
                mrn: 'MRN-2024-002',
                registryId: 'CA-MMJ-123789',
                status: 'in-room',
                lastVisit: '2024-11-20',
                nextRenewal: '2024-12-20',
                conditions: ['Neuropathy'],
                avatar: 'MG',
                aiSuggested: true,
                reason: 'Renewal due in 30 days'
            },
            {
                id: 3,
                firstName: 'Robert',
                lastName: 'Chen',
                dob: '1990-07-08',
                mrn: 'MRN-2024-003',
                registryId: null,
                status: 'waiting',
                lastVisit: null,
                nextRenewal: null,
                conditions: [],
                avatar: 'RC',
                aiSuggested: false,
                reason: 'New patient - initial certification'
            },
            {
                id: 4,
                firstName: 'Sarah',
                lastName: 'Johnson',
                dob: '1982-04-30',
                mrn: 'MRN-2024-004',
                registryId: 'CA-MMJ-456123',
                status: 'renewal',
                lastVisit: '2024-10-01',
                nextRenewal: '2024-12-01',
                conditions: ['MS Spasticity', 'Chronic Pain'],
                avatar: 'SJ',
                aiSuggested: true,
                reason: 'Renewal overdue'
            },
            {
                id: 5,
                firstName: 'David',
                lastName: 'Smith',
                dob: '1975-09-12',
                mrn: 'MRN-2024-005',
                registryId: 'CA-MMJ-789123',
                status: 'high-risk',
                lastVisit: '2024-11-10',
                nextRenewal: '2025-02-10',
                conditions: ['PTSD'],
                avatar: 'DS',
                aiSuggested: false,
                reason: 'Multiple medications - review required'
            },
            {
                id: 6,
                firstName: 'Emily',
                lastName: 'Davis',
                dob: '1988-12-05',
                mrn: 'MRN-2024-006',
                registryId: 'CA-MMJ-321654',
                status: 'checked-in',
                lastVisit: '2024-09-20',
                nextRenewal: '2025-09-20',
                conditions: ['Cancer-related Nausea'],
                avatar: 'ED',
                aiSuggested: false,
                reason: 'Regular follow-up'
            }
        ];
    }

    // Stepper Navigation
    renderStepper() {
        const steps = [
            { num: 1, label: 'Patient' },
            { num: 2, label: 'Details' },
            { num: 3, label: 'Scribe' },
            { num: 4, label: 'Notes' },
            { num: 5, label: 'Review' }
        ];

        const container = document.getElementById('stepper-container');
        if (!container) return;

        container.innerHTML = steps.map((step, index) => {
            const isActive = step.num === this.currentStep;
            const isCompleted = step.num < this.currentStep;
            const isLast = index === steps.length - 1;

            let classes = 'w-10 h-10 rounded-full flex items-center justify-center text-sm font-bold transition-all ';
            if (isActive) {
                classes += 'bg-emerald-600 text-white shadow-lg ring-4 ring-emerald-100';
            } else if (isCompleted) {
                classes += 'bg-emerald-100 text-emerald-700';
            } else {
                classes += 'bg-gray-100 text-gray-500';
            }

            return `
                <div class="flex items-center">
                    <button onclick="app.goToStep(${step.num})" class="${classes}">
                        ${isCompleted ? '<i data-lucide="check" class="w-5 h-5"></i>' : step.num}
                    </button>
                    <span class="ml-2 text-xs font-medium ${isActive ? 'text-emerald-700' : 'text-gray-500'} hidden lg:block">${step.label}</span>
                    ${!isLast ? '<div class="w-8 h-0.5 bg-gray-200 mx-2"></div>' : ''}
                </div>
            `;
        }).join('');

        // Update footer
        const stepNames = ['Patient Selection', 'Encounter Details', 'AI Scribe', 'AI Documentation', 'Review & Finalize'];
        document.getElementById('footer-step-current').textContent = this.currentStep;
        document.getElementById('footer-step-total').textContent = this.totalSteps;
        document.getElementById('footer-step-name').textContent = stepNames[this.currentStep - 1];

        // Update buttons
        document.getElementById('btn-prev').disabled = this.currentStep === 1;
        
        if (this.currentStep === this.totalSteps) {
            document.getElementById('btn-next').classList.add('hidden');
            document.getElementById('btn-submit-final').classList.remove('hidden');
        } else {
            document.getElementById('btn-next').classList.remove('hidden');
            document.getElementById('btn-submit-final').classList.add('hidden');
        }

        lucide.createIcons();
    }

    goToStep(stepNum) {
        if (stepNum < 1 || stepNum > this.totalSteps) return;
        
        // Validation before moving forward
        if (stepNum > this.currentStep) {
            if (this.currentStep === 1 && !this.selectedPatient) {
                this.showToast('Please select a patient first', 'error');
                return;
            }
        }

        this.currentStep = stepNum;
        this.renderStepper();
        
        // Hide all steps
        document.querySelectorAll('.step-content').forEach(el => {
            el.classList.remove('active');
        });
        
        // Show current step
        document.getElementById(`step-${this.currentStep}`).classList.add('active');
        
        // Scroll to top
        document.getElementById('main-container').scrollTop = 0;
    }

    nextStep() {
        if (this.currentStep < this.totalSteps) {
            this.goToStep(this.currentStep + 1);
        }
    }

    prevStep() {
        if (this.currentStep > 1) {
            this.goToStep(this.currentStep - 1);
        }
    }

    // Patient Selection
    renderPatients() {
        const grid = document.getElementById('patient-grid');
        const aiContainer = document.getElementById('ai-suggested-container');
        
        if (!grid) return;

        // Filter patients
        let filtered = this.patients;
        if (this.currentFilter !== 'all') {
            filtered = this.patients.filter(p => p.status === this.currentFilter);
        }

        // Render AI suggested
        const aiSuggested = this.patients.filter(p => p.aiSuggested);
        aiContainer.innerHTML = aiSuggested.map(p => this.createPatientCard(p, true)).join('');

        // Render main grid
        grid.innerHTML = filtered.map(p => this.createPatientCard(p, false)).join('');

        lucide.createIcons();
    }

    createPatientCard(patient, isCompact) {
        const isSelected = this.selectedPatient?.id === patient.id;
        const statusColors = {
            'checked-in': 'bg-blue-100 text-blue-700',
            'in-room': 'bg-emerald-100 text-emerald-700',
            'waiting': 'bg-amber-100 text-amber-700',
            'renewal': 'bg-purple-100 text-purple-700',
            'high-risk': 'bg-red-100 text-red-700'
        };

        if (isCompact) {
            return `
                <div onclick="app.selectPatient(${patient.id})" class="patient-card cursor-pointer border-2 ${isSelected ? 'border-emerald-500 bg-emerald-50' : 'border-gray-200 bg-white'} rounded-xl p-4 hover:border-emerald-300 hover:shadow-md transition-all">
                    <div class="flex items-center gap-3 mb-2">
                        <div class="w-10 h-10 rounded-full bg-emerald-600 text-white flex items-center justify-center font-bold text-sm">${patient.avatar}</div>
                        <div class="flex-1 min-w-0">
                            <div class="font-semibold text-gray-900 truncate">${patient.firstName} ${patient.lastName}</div>
                            <div class="text-xs text-gray-500">MRN: ${patient.mrn}</div>
                        </div>
                    </div>
                    <div class="flex items-center justify-between">
                        <span class="text-xs px-2 py-0.5 rounded-full ${statusColors[patient.status]}">${patient.status.replace('-', ' ')}</span>
                        <span class="text-xs text-gray-400">${patient.reason}</span>
                    </div>
                </div>
            `;
        }

        return `
            <div onclick="app.selectPatient(${patient.id})" class="patient-card cursor-pointer border-2 ${isSelected ? 'border-emerald-500 bg-emerald-50' : 'border-gray-200 bg-white'} rounded-xl p-5 hover:border-emerald-300 hover:shadow-md transition-all">
                <div class="flex items-start justify-between mb-3">
                    <div class="flex items-center gap-3">
                        <div class="w-12 h-12 rounded-full bg-emerald-600 text-white flex items-center justify-center font-bold">${patient.avatar}</div>
                        <div>
                            <div class="font-semibold text-gray-900">${patient.firstName} ${patient.lastName}</div>
                            <div class="text-sm text-gray-500">DOB: ${patient.dob}</div>
                        </div>
                    </div>
                    <span class="text-xs px-2 py-1 rounded-full ${statusColors[patient.status]}">${patient.status.replace('-', ' ')}</span>
                </div>
                
                <div class="space-y-2 mb-3">
                    <div class="text-xs text-gray-500">MRN: ${patient.mrn}</div>
                    <div class="text-xs text-gray-500">Registry: ${patient.registryId || 'Pending'}</div>
                    ${patient.conditions.length ? `
                        <div class="flex flex-wrap gap-1 mt-2">
                            ${patient.conditions.map(c => `<span class="text-xs px-2 py-0.5 bg-gray-100 text-gray-700 rounded">${c}</span>`).join('')}
                        </div>
                    ` : ''}
                </div>

                <div class="flex items-center justify-between text-xs text-gray-400 border-t pt-3">
                    <span>Last visit: ${patient.lastVisit || 'New patient'}</span>
                    <span>Renewal: ${patient.nextRenewal || 'N/A'}</span>
                </div>
            </div>
        `;
    }

    selectPatient(patientId) {
        this.selectedPatient = this.patients.find(p => p.id === patientId);
        this.renderPatients();
        this.updateProgress();
        this.showToast(`Selected ${this.selectedPatient.firstName} ${this.selectedPatient.lastName}`, 'success');
    }

    filterPatients(query) {
        const grid = document.getElementById('patient-grid');
        const filtered = this.patients.filter(p => 
            p.firstName.toLowerCase().includes(query.toLowerCase()) ||
            p.lastName.toLowerCase().includes(query.toLowerCase()) ||
            p.mrn.toLowerCase().includes(query.toLowerCase())
        );
        
        grid.innerHTML = filtered.map(p => this.createPatientCard(p, false)).join('');
        lucide.createIcons();
    }

    sortPatients(method) {
        // Implementation for sorting
        this.renderPatients();
    }

    setFilter(filter) {
        this.currentFilter = filter;
        
        // Update chip styles
        document.querySelectorAll('.filter-chip').forEach(chip => {
            if (chip.dataset.filter === filter) {
                chip.className = 'filter-chip px-3 py-1.5 rounded-full text-xs font-medium bg-emerald-100 text-emerald-700 border border-emerald-200 transition-all';
            } else {
                chip.className = 'filter-chip px-3 py-1.5 rounded-full text-xs font-medium bg-gray-100 text-gray-600 border border-gray-200 hover:bg-gray-200 transition-all';
            }
        });
        
        this.renderPatients();
    }

    // Walk-in Modal
    openWalkInModal() {
        document.getElementById('walkin-modal').classList.remove('hidden');
    }

    closeWalkInModal() {
        document.getElementById('walkin-modal').classList.add('hidden');
    }

    createWalkIn() {
        const first = document.getElementById('walkin-first').value;
        const last = document.getElementById('walkin-last').value;
        const dob = document.getElementById('walkin-dob').value;
        const phone = document.getElementById('walkin-phone').value;

        if (!first || !last || !dob) {
            this.showToast('Please fill in all required fields', 'error');
            return;
        }

        const newPatient = {
            id: Date.now(),
            firstName: first,
            lastName: last,
            dob: dob,
            mrn: `MRN-${Date.now()}`,
            registryId: null,
            status: 'waiting',
            lastVisit: null,
            nextRenewal: null,
            conditions: [],
            avatar: `${first[0]}${last[0]}`.toUpperCase(),
            aiSuggested: false,
            reason: 'Walk-in patient'
        };

        this.patients.unshift(newPatient);
        this.selectPatient(newPatient.id);
        this.closeWalkInModal();
        this.showToast('New walk-in patient created', 'success');
    }

    // Encounter Details
    updateEncounterDetail(field, value) {
        this.encounterData.details[field] = value;
        
        if (field === 'severity') {
            document.getElementById('severity-value').textContent = value;
        }
        
        this.updateProgress();
        this.updatePreSummary();
    }

    addCondition(condition) {
        if (!condition || this.encounterData.conditions.includes(condition)) return;
        
        this.encounterData.conditions.push(condition);
        this.renderConditionTags();
        this.updatePreSummary();
        document.getElementById('condition-select').value = '';
    }

    renderConditionTags() {
        const container = document.getElementById('condition-tags');
        container.innerHTML = this.encounterData.conditions.map(c => `
            <span class="px-3 py-1 bg-emerald-100 text-emerald-700 rounded-full text-sm flex items-center gap-1">
                ${c}
                <button onclick="app.removeCondition('${c}')" class="hover:text-emerald-900">
                    <i data-lucide="x" class="w-3 h-3"></i>
                </button>
            </span>
        `).join('');
        lucide.createIcons();
    }

    removeCondition(condition) {
        this.encounterData.conditions = this.encounterData.conditions.filter(c => c !== condition);
        this.renderConditionTags();
        this.updatePreSummary();
    }

    toggleTherapy(therapy) {
        if (this.encounterData.therapies.includes(therapy)) {
            this.encounterData.therapies = this.encounterData.therapies.filter(t => t !== therapy);
        } else {
            this.encounterData.therapies.push(therapy);
        }
        this.updatePreSummary();
    }

    toggleProductForm(btn, form) {
        btn.classList.toggle('bg-emerald-100');
        btn.classList.toggle('text-emerald-700');
        btn.classList.toggle('border-emerald-500');
        
        if (this.encounterData.productForms.includes(form)) {
            this.encounterData.productForms = this.encounterData.productForms.filter(f => f !== form);
        } else {
            this.encounterData.productForms.push(form);
        }
    }

    updateCompliance(type, value) {
        this.encounterData.compliance[type] = value;
        this.updatePreSummary();
    }

    updatePreSummary() {
        const qualification = document.getElementById('summary-qualification');
        const missing = document.getElementById('summary-missing');
        const complexityBar = document.getElementById('complexity-bar');
        const complexityText = document.getElementById('complexity-text');

        // Update qualification
        if (this.encounterData.conditions.length > 0) {
            qualification.textContent = 'Likely Eligible - ' + this.encounterData.conditions.join(', ');
            qualification.className = 'text-sm font-semibold text-emerald-700';
        } else {
            qualification.textContent = 'Select conditions to assess';
            qualification.className = 'text-sm font-semibold text-gray-500';
        }

        // Update missing items
        const missingItems = [];
        if (!this.encounterData.compliance.residency) missingItems.push('Residency verification');
        if (!this.encounterData.compliance.identity) missingItems.push('Identity check');
        if (!this.encounterData.compliance.consent) missingItems.push('Consent forms');
        
        missing.innerHTML = missingItems.length ? missingItems.map(item => `
            <li class="flex items-center gap-1 text-amber-600">
                <i data-lucide="alert-circle" class="w-3 h-3"></i>
                <span>${item}</span>
            </li>
        `).join('') : '<li class="flex items-center gap-1 text-emerald-600"><i data-lucide="check" class="w-3 h-3"></i><span>All required items complete</span></li>';

        // Update complexity
        const complexity = Math.min(100, (this.encounterData.conditions.length * 15) + (this.encounterData.therapies.length * 5) + 10);
        complexityBar.style.width = `${complexity}%`;
        
        if (complexity < 30) {
            complexityText.textContent = 'Low';
            complexityBar.className = 'h-full bg-emerald-500 rounded-full';
        } else if (complexity < 70) {
            complexityText.textContent = 'Moderate';
            complexityBar.className = 'h-full bg-amber-500 rounded-full';
        } else {
            complexityText.textContent = 'High';
            complexityBar.className = 'h-full bg-red-500 rounded-full';
        }

        lucide.createIcons();
    }

    simulateUpload() {
        this.showToast('Uploading document...', 'info');
        setTimeout(() => {
            this.showToast('Document uploaded successfully', 'success');
        }, 1500);
    }

    // AI Scribe
    initWaveform() {
        const container = document.getElementById('waveform-container');
        if (!container) return;
        
        container.innerHTML = Array(40).fill(0).map(() => 
            `<div class="w-1 bg-emerald-400 rounded-full waveform-bar" style="height: 20%; animation-delay: ${Math.random() * 0.5}s"></div>`
        ).join('');
    }

    startRecording() {
        this.isRecording = true;
        this.isPaused = false;
        document.getElementById('recording-status').textContent = 'Recording';
        document.getElementById('recording-status').className = 'px-2 py-1 rounded-full text-xs font-medium bg-red-100 text-red-600 recording-pulse';
        
        document.getElementById('btn-start').classList.add('hidden');
        document.getElementById('btn-pause').classList.remove('hidden');
        document.getElementById('btn-stop').classList.remove('hidden');
        
        document.getElementById('waveform-container').classList.remove('opacity-30');
        
        this.recordingInterval = setInterval(() => {
            this.recordingTime++;
            const mins = Math.floor(this.recordingTime / 60).toString().padStart(2, '0');
            const secs = (this.recordingTime % 60).toString().padStart(2, '0');
            document.getElementById('recording-timer').textContent = `${mins}:${secs}`;
        }, 1000);
        
        // Simulate transcript generation
        this.simulateTranscriptGeneration();
    }

    pauseRecording() {
        this.isPaused = true;
        clearInterval(this.recordingInterval);
        document.getElementById('recording-status').textContent = 'Paused';
        document.getElementById('recording-status').className = 'px-2 py-1 rounded-full text-xs font-medium bg-amber-100 text-amber-600';
        
        document.getElementById('btn-pause').classList.add('hidden');
        document.getElementById('btn-resume').classList.remove('hidden');
        document.getElementById('recording-overlay').classList.remove('hidden');
        document.getElementById('waveform-container').classList.add('opacity-30');
    }

    resumeRecording() {
        this.isPaused = false;
        document.getElementById('recording-status').textContent = 'Recording';
        document.getElementById('recording-status').className = 'px-2 py-1 rounded-full text-xs font-medium bg-red-100 text-red-600 recording-pulse';
        
        document.getElementById('btn-resume').classList.add('hidden');
        document.getElementById('btn-pause').classList.remove('hidden');
        document.getElementById('recording-overlay').classList.add('hidden');
        document.getElementById('waveform-container').classList.remove('opacity-30');
        
        this.recordingInterval = setInterval(() => {
            this.recordingTime++;
            const mins = Math.floor(this.recordingTime / 60).toString().padStart(2, '0');
            const secs = (this.recordingTime % 60).toString().padStart(2, '0');
            document.getElementById('recording-timer').textContent = `${mins}:${secs}`;
        }, 1000);
    }

    stopRecording() {
        this.isRecording = false;
        clearInterval(this.recordingInterval);
        
        document.getElementById('recording-status').textContent = 'Completed';
        document.getElementById('recording-status').className = 'px-2 py-1 rounded-full text-xs font-medium bg-emerald-100 text-emerald-600';
        
        document.getElementById('btn-pause').classList.add('hidden');
        document.getElementById('btn-resume').classList.add('hidden');
        document.getElementById('btn-stop').classList.add('hidden');
        document.getElementById('btn-start').classList.remove('hidden');
        document.getElementById('btn-start').innerHTML = '<i data-lucide="mic" class="w-5 h-5"></i> New Recording';
        
        document.getElementById('waveform-container').classList.add('opacity-30');
        document.getElementById('recording-overlay').classList.add('hidden');
        
        this.showToast('Recording saved', 'success');
        this.updateProgress();
    }

    simulateTranscriptGeneration() {
        const lines = [
            { speaker: 'Dr', text: 'Good morning, James. How are you feeling today?' },
            { speaker: 'Pt', text: 'Good morning, Doctor. The back pain is still there, maybe a 7 out of 10.' },
            { speaker: 'Dr', text: 'I see. And how about the sleep issues we discussed last time?' },
            { speaker: 'Pt', text: 'Still having nightmares. Maybe 3 or 4 times a week.' },
            { speaker: 'Dr', text: 'Have you tried the physical therapy exercises?' },
            { speaker: 'Pt', text: 'Yes, but they only help for an hour or so, then the pain returns.' }
        ];

        let delay = 0;
        lines.forEach((line, index) => {
            delay += 2000 + Math.random() * 1000;
            setTimeout(() => {
                if (this.isRecording && !this.isPaused) {
                    this.addTranscriptLine(line.speaker, line.text);
                }
            }, delay);
        });
    }

    addTranscriptLine(speaker, text) {
        const container = document.getElementById('transcript-lines');
        
        // Remove placeholder if exists
        if (container.querySelector('.italic')) {
            container.innerHTML = '';
        }
        
        const line = document.createElement('div');
        line.className = 'transcript-line flex gap-3 p-2 rounded-lg hover:bg-gray-50';
        line.innerHTML = `
            <div class="w-16 shrink-0 text-xs font-semibold ${speaker === 'Dr' ? 'text-emerald-600' : 'text-blue-600'}">${speaker}:</div>
            <div class="flex-1 text-sm text-gray-700">${text}</div>
            <div class="text-xs text-gray-400">${new Date().toLocaleTimeString()}</div>
        `;
        
        container.appendChild(line);
        container.scrollTop = container.scrollHeight;
        
        // Update word count
        const words = container.innerText.split(/\s+/).length;
        document.getElementById('word-count').textContent = `${words} words`;
    }

    simulateConversation() {
        this.startRecording();
        this.showToast('Simulating conversation...', 'info');
    }

    uploadAudio() {
        this.showToast('Audio upload feature would open file picker', 'info');
    }

    useSampleVisit() {
        document.getElementById('transcript-lines').innerHTML = '';
        const sampleLines = [
            { speaker: 'Dr', text: 'Hello James, I see you\'re here for your initial certification visit.' },
            { speaker: 'Pt', text: 'Yes, I\'ve been dealing with chronic pain from an old injury.' },
            { speaker: 'Dr', text: 'Can you describe the pain for me?' },
            { speaker: 'Pt', text: 'It\'s a sharp burning sensation in my lower back, radiating down my left leg.' },
            { speaker: 'Dr', text: 'Rate the pain on a scale of 1-10.' },
            { speaker: 'Pt', text: 'Usually around a 7, sometimes 8 in the evenings.' },
            { speaker: 'Dr', text: 'What treatments have you tried?' },
            { speaker: 'Pt', text: 'Physical therapy, ibuprofen, gabapentin... nothing really helps long-term.' },
            { speaker: 'Dr', text: 'I see. And you mentioned PTSD in your intake form?' },
            { speaker: 'Pt', text: 'Yes, from my time in the service. The nightmares are the worst part.' }
        ];
        
        sampleLines.forEach((line, index) => {
            setTimeout(() => {
                this.addTranscriptLine(line.speaker, line.text);
            }, index * 500);
        });
        
        this.showToast('Sample visit loaded', 'success');
    }

    switchTab(tabName) {
        // Hide all tabs
        document.querySelectorAll('.tab-panel').forEach(p => p.classList.add('hidden'));
        document.getElementById(`tab-${tabName}`).classList.remove('hidden');
        
        // Update button styles
        document.querySelectorAll('.tab-btn').forEach(btn => {
            if (btn.dataset.tab === tabName) {
                btn.className = 'tab-btn active px-3 py-1.5 text-xs font-medium rounded-md bg-emerald-100 text-emerald-700';
            } else {
                btn.className = 'tab-btn px-3 py-1.5 text-xs font-medium rounded-md text-gray-600 hover:bg-gray-100';
            }
        });
    }

    clearTranscript() {
        document.getElementById('transcript-lines').innerHTML = '<div class="text-sm text-gray-400 italic text-center py-8">Recording not started. Click "Start Recording" or "Simulate Conversation" to begin.</div>';
        document.getElementById('word-count').textContent = '0 words';
    }

    copyTranscript() {
        const text = document.getElementById('transcript-lines').innerText;
        navigator.clipboard.writeText(text);
        this.showToast('Transcript copied to clipboard', 'success');
    }

    expandTranscript() {
        this.showToast('Expand view would open full-screen transcript', 'info');
    }

    insertCommand(command) {
        this.showToast(`Voice command: "${command}"`, 'info');
        if (this.isRecording && !this.isPaused) {
            setTimeout(() => {
                this.addTranscriptLine('System', `[AI Command: ${command}]`);
            }, 500);
        }
    }

    // AI Notes
    generateAINotes() {
        const btn = document.getElementById('btn-generate-notes');
        btn.innerHTML = '<i data-lucide="loader-2" class="w-5 h-5 animate-spin"></i> Generating...';
        lucide.createIcons();
        
        setTimeout(() => {
            document.getElementById('ai-notes-container').style.opacity = '1';
            document.getElementById('ai-notes-container').style.pointerEvents = 'auto';
            document.getElementById('quality-score-card').classList.remove('hidden');
            
            btn.innerHTML = '<i data-lucide="refresh-cw" class="w-5 h-5"></i> Regenerate';
            lucide.createIcons();
            
            this.showToast('AI notes generated successfully', 'success');
            this.updateProgress();
        }, 2000);
    }

    regenerateSection(section) {
        this.showToast(`Regenerating ${section} section...`, 'info');
        setTimeout(() => {
            this.showToast(`${section} section updated`, 'success');
        }, 1000);
    }

    lockSection(section) {
        this.showToast(`${section} section locked`, 'success');
    }

    selectCode(element) {
        document.querySelectorAll('#coding-suggestions > div').forEach(el => {
            el.classList.remove('bg-purple-50', 'border-purple-300');
        });
        element.classList.add('bg-purple-50', 'border-purple-300');
    }

    showMoreCodes() {
        this.showToast('Additional coding suggestions would appear here', 'info');
    }

    jumpToSection(section) {
        this.showToast(`Navigating to ${section}...`, 'info');
    }

    generateCertPDF() {
        this.showToast('Generating certification PDF...', 'info');
        setTimeout(() => {
            this.showToast('PDF generated and ready for download', 'success');
        }, 1500);
    }

    generateRegistryDoc() {
        this.showToast('Preparing registry documents...', 'info');
    }

    sendToRegistry() {
        this.showToast('Submitting to state registry...', 'info');
        setTimeout(() => {
            this.showToast('Registry submission successful', 'success');
        }, 2000);
    }

    // Review & Finalize
    toggleComplianceCheck(checkbox, type) {
        this.showToast(`${type} compliance ${checkbox.checked ? 'verified' : 'pending'}`, 'info');
    }

    submitEncounter() {
        this.showToast('Submitting encounter...', 'info');
        setTimeout(() => {
            this.showToast('Encounter submitted successfully!', 'success');
            setTimeout(() => {
                if (confirm('Encounter complete! Return to dashboard?')) {
                    this.showToast('Returning to dashboard...', 'info');
                }
            }, 500);
        }, 2000);
    }

    saveDraft() {
        this.showToast('Draft saved successfully', 'success');
    }

    scheduleFollowUp() {
        this.showToast('Opening scheduling calendar...', 'info');
    }

    previewDoc(type) {
        const titles = {
            soap: 'SOAP Note Preview',
            cert: 'Certification Letter Preview',
            registry: 'Registry Form Preview',
            bill: 'Encounter Bill Preview'
        };
        
        document.getElementById('preview-title').textContent = titles[type];
        document.getElementById('preview-content').innerHTML = `
            <div class="bg-white p-8 rounded-lg shadow-sm border">
                <div class="text-center mb-6">
                    <h2 class="text-2xl font-bold text-gray-900">${titles[type]}</h2>
                    <p class="text-gray-500">Verify MC Medical Marijuana Platform</p>
                </div>
                <div class="space-y-4 text-sm text-gray-700">
                    <div class="border-b pb-2"><strong>Patient:</strong> ${this.selectedPatient?.firstName} ${this.selectedPatient?.lastName}</div>
                    <div class="border-b pb-2"><strong>Date:</strong> ${new Date().toLocaleDateString()}</div>
                    <div class="border-b pb-2"><strong>Provider:</strong> Dr. Sarah Chen, MD</div>
                    <div class="h-32 bg-gray-100 rounded flex items-center justify-center text-gray-400">Document content would appear here</div>
                </div>
            </div>
        `;
        document.getElementById('preview-modal').classList.remove('hidden');
    }

    closePreview() {
        document.getElementById('preview-modal').classList.add('hidden');
    }

    downloadPreview() {
        this.showToast('Downloading PDF...', 'success');
    }

    // AI Copilot
    toggleCopilot() {
        this.copilotOpen = !this.copilotOpen;
        const panel = document.getElementById('copilot-panel');
        
        if (this.copilotOpen) {
            panel.classList.remove('hidden');
            document.getElementById('copilot-badge').classList.add('hidden');
        } else {
            panel.classList.add('hidden');
        }
    }

    sendCopilotMessage() {
        const input = document.getElementById('copilot-input');
        const message = input.value.trim();
        if (!message) return;
        
        this.addCopilotMessage('user', message);
        input.value = '';
        
        // Simulate AI response
        setTimeout(() => {
            const responses = [
                'Based on the patient profile, I recommend documenting chronic pain with severity rating.',
                'Would you like me to suggest appropriate dosing guidelines for this condition?',
                'I can help generate the assessment section. Should I focus on prior treatment failures?',
                'Reminder: This patient needs registry ID verification before submission.'
            ];
            const randomResponse = responses[Math.floor(Math.random() * responses.length)];
            this.addCopilotMessage('ai', randomResponse);
        }, 1000);
    }

    quickAsk(query) {
        document.getElementById('copilot-input').value = query;
        this.sendCopilotMessage();
    }

    addCopilotMessage(sender, text) {
        const container = document.getElementById('copilot-messages');
        const messageDiv = document.createElement('div');
        
        if (sender === 'ai') {
            messageDiv.className = 'p-3 bg-blue-50 rounded-lg border border-blue-200';
            messageDiv.innerHTML = `
                <div class="flex items-start gap-2">
                    <i data-lucide="sparkles" class="w-4 h-4 text-blue-600 mt-0.5"></i>
                    <div class="text-sm text-blue-900">${text}</div>
                </div>
            `;
        } else {
            messageDiv.className = 'p-3 bg-gray-100 rounded-lg border border-gray-200 ml-8';
            messageDiv.innerHTML = `<div class="text-sm text-gray-900">${text}</div>`;
        }
        
        container.appendChild(messageDiv);
        container.scrollTop = container.scrollHeight;
        lucide.createIcons();
    }

    // Progress & Status
    updateProgress() {
        let completed = 0;
        const total = 5;
        
        if (this.selectedPatient) completed++;
        if (this.encounterData.conditions.length > 0) completed++;
        if (this.recordingTime > 0) completed++;
        if (document.getElementById('ai-notes-container')?.style.opacity === '1') completed++;
        if (this.currentStep === 5) completed = 5;
        
        const percentage = Math.round((completed / total) * 100);
        
        // Update circle progress
        const circle = document.getElementById('progress-circle');
        const radius = 20;
        const circumference = radius * 2 * Math.PI;
        const offset = circumference - (percentage / 100) * circumference;
        
        if (circle) {
            circle.style.strokeDashoffset = offset;
        }
        
        document.getElementById('progress-text').textContent = `${percentage}%`;
        
        // Update title and badges
        const titles = ['Needs Data', 'Getting Started', 'In Progress', 'Almost Complete', 'Ready to Submit'];
        const titleIndex = Math.floor((completed / total) * (titles.length - 1));
        document.getElementById('readiness-title').textContent = titles[titleIndex];
        
        const missingItems = [];
        if (!this.selectedPatient) missingItems.push('Select patient');
        if (this.encounterData.conditions.length === 0) missingItems.push('Add conditions');
        if (this.recordingTime === 0) missingItems.push('Record encounter');
        
        document.getElementById('missing-items').textContent = missingItems.length > 0 
            ? `Missing: ${missingItems.join(', ')}`
            : 'All requirements met';
        
        // Update status badges
        const badgesContainer = document.getElementById('status-badges');
        if (percentage === 100) {
            badgesContainer.innerHTML = '<span class="px-3 py-1 rounded-full text-xs font-medium bg-emerald-100 text-emerald-700">Ready to Submit</span>';
        } else if (percentage > 50) {
            badgesContainer.innerHTML = '<span class="px-3 py-1 rounded-full text-xs font-medium bg-blue-100 text-blue-700">In Progress</span>';
        } else {
            badgesContainer.innerHTML = '<span class="px-3 py-1 rounded-full text-xs font-medium bg-gray-100 text-gray-600">Draft</span>';
        }
    }

    // Auto-save
    startAutoSave() {
        setInterval(() => {
            const now = new Date();
            const timeStr = now.toLocaleTimeString();
            const statusEl = document.getElementById('auto-save-status');
            if (statusEl) {
                statusEl.textContent = `Auto-saved ${Math.floor(Math.random() * 10) + 1}s ago`;
            }
        }, 10000);
    }

    // Footer Actions
    quickAction(action) {
        switch(action) {
            case 'help':
                this.toggleCopilot();
                break;
            case 'calculator':
                this.showToast('Dosage calculator would open', 'info');
                break;
            case 'print':
                window.print();
                break;
        }
    }

    saveAndExit() {
        this.showToast('Saving encounter...', 'info');
        setTimeout(() => {
            this.showToast('Saved! You can safely exit.', 'success');
        }, 1000);
    }

    submitFinal() {
        this.submitEncounter();
    }

    // Utilities
    showToast(message, type = 'info') {
        const container = document.getElementById('toast-container');
        const toast = document.createElement('div');
        
        const colors = {
            success: 'bg-emerald-50 border-emerald-200 text-emerald-800',
            error: 'bg-red-50 border-red-200 text-red-800',
            info: 'bg-blue-50 border-blue-200 text-blue-800',
            warning: 'bg-amber-50 border-amber-200 text-amber-800'
        };
        
        const icons = {
            success: 'check-circle',
            error: 'x-circle',
            info: 'info',
            warning: 'alert-triangle'
        };
        
        toast.className = `flex items-center gap-2 px-4 py-3 rounded-lg border shadow-lg ${colors[type]} fade-in`;
        toast.innerHTML = `
            <i data-lucide="${icons[type]}" class="w-5 h-5"></i>
            <span class="text-sm font-medium">${message}</span>
        `;
        
        container.appendChild(toast);
        lucide.createIcons();
        
        setTimeout(() => {
            toast.style.opacity = '0';
            toast.style.transform = 'translateY(10px)';
            setTimeout(() => toast.remove(), 300);
        }, 4000);
    }
}

// Initialize app
const app = new VerifyMCApp();