{% extends "base.html" %}

{% block title %}Job mit Code starten{% endblock %}

{% block content %}
<div class="min-h-screen bg-gradient-to-br from-blue-50 via-indigo-50 to-purple-50 dark:from-slate-900 dark:via-slate-800 dark:to-slate-900">
    
    <!-- Header Section -->
    <div class="relative overflow-hidden">
        <div class="absolute inset-0 bg-gradient-to-r from-blue-600/10 to-purple-600/10"></div>
        <div class="relative max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-16 text-center">
            <h1 class="text-4xl lg:text-6xl font-bold text-slate-900 dark:text-white mb-6">
                <span class="bg-gradient-to-r from-blue-600 to-purple-600 bg-clip-text text-transparent">
                    Job starten
                </span>
            </h1>
            <p class="text-xl text-slate-600 dark:text-slate-400 max-w-3xl mx-auto leading-relaxed">
                Geben Sie Ihren 6-stelligen Zugangscode ein, um Ihren genehmigten Druckauftrag zu starten.
            </p>
        </div>
    </div>

    <!-- Main Content -->
    <div class="max-w-2xl mx-auto px-4 sm:px-6 lg:px-8 -mt-8 relative z-10">
        
        <!-- Code-Eingabe Container -->
        <div class="form-container professional-shadow p-8 lg:p-12">
            <div class="text-center mb-10">
                <div class="w-20 h-20 bg-gradient-to-r from-green-500 to-emerald-500 rounded-full flex items-center justify-center mx-auto mb-6">
                    <svg class="w-10 h-10 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11 17H9v2H7v2H4a1 1 0 01-1-1v-3a1 1 0 011-1h2.586l6.243-6.243A6 6 0 0121 9z"/>
                    </svg>
                </div>
                <h2 class="text-3xl font-bold text-slate-900 dark:text-white mb-4">
                    Zugangscode eingeben
                </h2>
                <p class="text-lg text-slate-600 dark:text-slate-400">
                    Ihr persönlicher 6-stelliger Code wurde Ihnen nach der Genehmigung mitgeteilt.
                </p>
            </div>
            
            <!-- Erfolgs-Nachricht (versteckt) -->
            <div id="successMessage" class="hidden mb-8 p-6 bg-gradient-to-r from-green-50 to-emerald-50 dark:from-green-900/20 dark:to-emerald-900/20 border border-green-200 dark:border-green-700 rounded-2xl">
                <div class="flex items-center">
                    <div class="w-8 h-8 bg-green-500 rounded-full flex items-center justify-center mr-4">
                        <svg class="w-5 h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/>
                        </svg>
                    </div>
                    <div>
                        <h3 class="text-lg font-semibold text-green-800 dark:text-green-200">Job erfolgreich gestartet!</h3>
                        <p class="text-green-700 dark:text-green-300" id="successDetails"></p>
                    </div>
                </div>
            </div>

            <!-- Fehler-Nachricht (versteckt) -->
            <div id="errorMessage" class="hidden mb-8 p-6 bg-gradient-to-r from-red-50 to-rose-50 dark:from-red-900/20 dark:to-rose-900/20 border border-red-200 dark:border-red-700 rounded-2xl">
                <div class="flex items-center">
                    <div class="w-8 h-8 bg-red-500 rounded-full flex items-center justify-center mr-4">
                        <svg class="w-5 h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
                        </svg>
                    </div>
                    <div>
                        <h3 class="text-lg font-semibold text-red-800 dark:text-red-200">Fehler beim Starten</h3>
                        <p class="text-red-700 dark:text-red-300" id="errorDetails"></p>
                    </div>
                </div>
            </div>
            
            <form id="codeForm" class="space-y-8">
                
                <!-- Code-Eingabe -->
                <div class="group">
                    <label for="accessCode" class="block text-sm font-semibold text-slate-700 dark:text-slate-300 mb-4">
                        6-stelliger Zugangscode <span class="text-red-500">*</span>
                    </label>
                    
                    <!-- Code-Input mit einzelnen Feldern -->
                    <div class="flex justify-center space-x-3 mb-4">
                        <input type="text" id="code1" maxlength="1" 
                               class="code-input w-16 h-16 text-center text-2xl font-bold border border-slate-300 dark:border-slate-600 rounded-xl focus:ring-4 focus:ring-blue-500/25 focus:border-blue-500 dark:bg-slate-800 dark:text-white"
                               oninput="moveToNext(this, 'code2')" onkeydown="handleBackspace(event, this, null)">
                        <input type="text" id="code2" maxlength="1" 
                               class="code-input w-16 h-16 text-center text-2xl font-bold border border-slate-300 dark:border-slate-600 rounded-xl focus:ring-4 focus:ring-blue-500/25 focus:border-blue-500 dark:bg-slate-800 dark:text-white"
                               oninput="moveToNext(this, 'code3')" onkeydown="handleBackspace(event, this, 'code1')">
                        <input type="text" id="code3" maxlength="1" 
                               class="code-input w-16 h-16 text-center text-2xl font-bold border border-slate-300 dark:border-slate-600 rounded-xl focus:ring-4 focus:ring-blue-500/25 focus:border-blue-500 dark:bg-slate-800 dark:text-white"
                               oninput="moveToNext(this, 'code4')" onkeydown="handleBackspace(event, this, 'code2')">
                        <input type="text" id="code4" maxlength="1" 
                               class="code-input w-16 h-16 text-center text-2xl font-bold border border-slate-300 dark:border-slate-600 rounded-xl focus:ring-4 focus:ring-blue-500/25 focus:border-blue-500 dark:bg-slate-800 dark:text-white"
                               oninput="moveToNext(this, 'code5')" onkeydown="handleBackspace(event, this, 'code3')">
                        <input type="text" id="code5" maxlength="1" 
                               class="code-input w-16 h-16 text-center text-2xl font-bold border border-slate-300 dark:border-slate-600 rounded-xl focus:ring-4 focus:ring-blue-500/25 focus:border-blue-500 dark:bg-slate-800 dark:text-white"
                               oninput="moveToNext(this, 'code6')" onkeydown="handleBackspace(event, this, 'code4')">
                        <input type="text" id="code6" maxlength="1" 
                               class="code-input w-16 h-16 text-center text-2xl font-bold border border-slate-300 dark:border-slate-600 rounded-xl focus:ring-4 focus:ring-blue-500/25 focus:border-blue-500 dark:bg-slate-800 dark:text-white"
                               oninput="moveToNext(this, null)" onkeydown="handleBackspace(event, this, 'code5')">
                    </div>
                    
                    <div class="text-center">
                        <p class="text-sm text-slate-500 dark:text-slate-400">
                            Der Code besteht aus 6 Zeichen (Großbuchstaben und Zahlen)
                        </p>
                    </div>
                </div>

                <!-- Submit Button -->
                <div class="text-center pt-6">
                    <button type="submit" id="submitBtn"
                            class="w-full sm:w-auto px-12 py-4 bg-gradient-to-r from-blue-600 to-indigo-600 text-white font-semibold rounded-2xl hover:from-blue-700 hover:to-indigo-700 focus:outline-none focus:ring-4 focus:ring-blue-500/25 transform transition-all duration-300 hover:scale-105 shadow-lg disabled:opacity-50 disabled:cursor-not-allowed disabled:transform-none">
                        <span class="flex items-center justify-center">
                            <svg class="w-6 h-6 mr-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h1m4 0h1m-6 4h.01M12 5v.01M12 19v.01M12 12h.01M12 9a3 3 0 100-6 3 3 0 000 6zm0 0a3 3 0 100 6 3 3 0 000-6z"/>
                            </svg>
                            Job jetzt starten
                        </span>
                    </button>
                </div>

            </form>

            <!-- Hilfe-Sektion -->
            <div class="mt-12 pt-8 border-t border-slate-200 dark:border-slate-700">
                <div class="text-center">
                    <h3 class="text-lg font-semibold text-slate-900 dark:text-white mb-4">
                        Brauchen Sie Hilfe?
                    </h3>
                    <div class="space-y-3 text-sm text-slate-600 dark:text-slate-400">
                        <p>• Ihr Zugangscode wurde Ihnen nach der Genehmigung mitgeteilt</p>
                        <p>• Der Code ist nur einmalig verwendbar und hat eine begrenzte Gültigkeit</p>
                        <p>• Bei Problemen wenden Sie sich an den Administrator</p>
                    </div>
                    <div class="mt-6">
                        <a href="{{ url_for('guest.guest_request_form') }}" 
                           class="inline-flex items-center text-blue-600 hover:text-blue-800 dark:text-blue-400 dark:hover:text-blue-300 font-medium">
                            <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6"/>
                            </svg>
                            Neue Anfrage stellen
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<style>
.form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dark .form-container {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.professional-shadow {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.code-input {
    transition: all 0.2s ease;
}

.code-input:focus {
    transform: scale(1.05);
}

.code-input.valid {
    border-color: #10b981;
    background-color: #ecfdf5;
}

.dark .code-input.valid {
    border-color: #059669;
    background-color: rgba(16, 185, 129, 0.1);
}
</style>

<script>
// Code-Eingabe-Logik
function moveToNext(current, nextId) {
    const value = current.value.toUpperCase();
    
    // Nur alphanumerische Zeichen erlauben
    if (!/^[A-Z0-9]$/.test(value)) {
        current.value = '';
        return;
    }
    
    current.value = value;
    current.classList.add('valid');
    
    // Zum nächsten Feld wechseln
    if (nextId && value) {
        document.getElementById(nextId).focus();
    }
    
    // Prüfen ob alle Felder ausgefüllt sind
    checkFormComplete();
}

function handleBackspace(event, current, prevId) {
    if (event.key === 'Backspace') {
        if (current.value === '' && prevId) {
            event.preventDefault();
            const prevField = document.getElementById(prevId);
            prevField.focus();
            prevField.value = '';
            prevField.classList.remove('valid');
        } else if (current.value !== '') {
            current.classList.remove('valid');
        }
    }
}

function checkFormComplete() {
    const inputs = ['code1', 'code2', 'code3', 'code4', 'code5', 'code6'];
    const allFilled = inputs.every(id => document.getElementById(id).value !== '');
    
    const submitBtn = document.getElementById('submitBtn');
    submitBtn.disabled = !allFilled;
    
    if (allFilled) {
        submitBtn.classList.add('ring-4', 'ring-green-500/25');
    } else {
        submitBtn.classList.remove('ring-4', 'ring-green-500/25');
    }
}

function getCodeValue() {
    const inputs = ['code1', 'code2', 'code3', 'code4', 'code5', 'code6'];
    return inputs.map(id => document.getElementById(id).value).join('');
}

function clearCode() {
    const inputs = ['code1', 'code2', 'code3', 'code4', 'code5', 'code6'];
    inputs.forEach(id => {
        const input = document.getElementById(id);
        input.value = '';
        input.classList.remove('valid');
    });
    checkFormComplete();
    document.getElementById('code1').focus();
}

function showSuccess(message, details) {
    document.getElementById('successMessage').classList.remove('hidden');
    document.getElementById('successDetails').textContent = details;
    document.getElementById('errorMessage').classList.add('hidden');
    
    // Scroll zur Nachricht
    document.getElementById('successMessage').scrollIntoView({ behavior: 'smooth', block: 'center' });
}

function showError(message, details) {
    document.getElementById('errorMessage').classList.remove('hidden');
    document.getElementById('errorDetails').textContent = details;
    document.getElementById('successMessage').classList.add('hidden');
    
    // Scroll zur Nachricht
    document.getElementById('errorMessage').scrollIntoView({ behavior: 'smooth', block: 'center' });
}

// Form-Submit-Handler
document.addEventListener('DOMContentLoaded', function() {
    const form = document.getElementById('codeForm');
    const submitBtn = document.getElementById('submitBtn');
    
    // Erstes Feld fokussieren
    document.getElementById('code1').focus();
    
    form.addEventListener('submit', async function(e) {
        e.preventDefault();
        
        const code = getCodeValue();
        if (code.length !== 6) {
            showError('Ungültiger Code', 'Bitte geben Sie alle 6 Zeichen ein.');
            return;
        }
        
        // Button-Animation
        submitBtn.disabled = true;
        const originalContent = submitBtn.innerHTML;
        submitBtn.innerHTML = `
            <span class="flex items-center justify-center">
                <svg class="animate-spin w-5 h-5 mr-3" fill="none" viewBox="0 0 24 24">
                    <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                    <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                </svg>
                Wird überprüft...
            </span>
        `;
        
        try {
            const response = await fetch('/api/guest/start-job', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'X-Requested-With': 'XMLHttpRequest'
                },
                body: JSON.stringify({ code: code })
            });
            
            const result = await response.json();
            
            if (result.success) {
                showSuccess(
                    'Job erfolgreich gestartet!', 
                    `Ihr Job "${result.job_name}" wurde gestartet und läuft bis ${result.end_time}.`
                );
                
                // Form deaktivieren
                form.style.opacity = '0.5';
                form.style.pointerEvents = 'none';
                
                // Nach 3 Sekunden zur Job-Status-Seite weiterleiten
                setTimeout(() => {
                    if (result.job_id) {
                        window.location.href = `/guest/job/${result.job_id}/status`;
                    }
                }, 3000);
                
            } else {
                showError('Code ungültig', result.error || 'Der eingegebene Code ist ungültig oder bereits verwendet.');
                clearCode();
            }
            
        } catch (error) {
            showError('Verbindungsfehler', 'Es gab ein Problem bei der Verbindung. Bitte versuchen Sie es erneut.');
            clearCode();
        } finally {
            submitBtn.disabled = false;
            submitBtn.innerHTML = originalContent;
            checkFormComplete();
        }
    });
    
    // Paste-Handler für kompletten Code
    document.addEventListener('paste', function(e) {
        const target = e.target;
        if (target.classList.contains('code-input')) {
            e.preventDefault();
            const paste = (e.clipboardData || window.clipboardData).getData('text').toUpperCase();
            
            if (paste.length === 6 && /^[A-Z0-9]+$/.test(paste)) {
                const inputs = ['code1', 'code2', 'code3', 'code4', 'code5', 'code6'];
                inputs.forEach((id, index) => {
                    const input = document.getElementById(id);
                    input.value = paste[index] || '';
                    if (input.value) input.classList.add('valid');
                });
                checkFormComplete();
                document.getElementById('code6').focus();
            }
        }
    });
});
</script>
{% endblock %}