{% extends 'admin/base.html' %}
{% load static %}

{% block title %}Approve Peminjaman - Admin Inventaris{% endblock %}

{% block content %}
<div class="min-h-screen bg-gradient-to-br from-slate-50 via-green-50 to-emerald-50 py-6 px-4 sm:px-6 lg:px-8">
    <div class="max-w-4xl mx-auto">
        <!-- Header -->
        <div class="mb-8">
            <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
                <div class="flex items-center space-x-4">
                    <div class="w-12 h-12 bg-gradient-to-br from-green-500 to-emerald-600 rounded-2xl flex items-center justify-center shadow-lg">
                        <i class="fas fa-check-circle text-white text-xl"></i>
                    </div>
                    <div>
                        <h1 class="text-2xl sm:text-3xl font-bold text-gray-900">
                            <i class="fas fa-check-circle text-green-600 mr-2"></i>Approve Peminjaman
                        </h1>
                        <p class="text-gray-600 mt-1">
                            Review dan approve peminjaman barang inventaris
                        </p>
                    </div>
                </div>
                <a href="{% url 'inventaris_admin:peminjaman_list' %}" 
                   class="inline-flex items-center px-4 py-2 bg-white border border-gray-200 rounded-xl text-sm font-medium text-gray-700 hover:bg-gray-50 hover:border-gray-300 transition-all duration-200 shadow-sm hover:shadow-md">
                    <i class="fas fa-arrow-left mr-2"></i>
                    Kembali ke Daftar
                </a>
            </div>
        </div>

        <!-- Form -->
        <div class="bg-white rounded-3xl shadow-2xl overflow-hidden border border-gray-100">
            <form method="post" class="space-y-0">
                {% csrf_token %}
                
                <!-- Informasi Peminjaman -->
                <div class="p-6 sm:p-8 border-b border-gray-100 bg-gradient-to-r from-green-50 to-emerald-50">
                    <div class="flex items-center mb-6">
                        <div class="w-10 h-10 bg-gradient-to-br from-green-500 to-emerald-600 rounded-xl flex items-center justify-center mr-4 shadow-lg">
                            <i class="fas fa-hand-holding text-white"></i>
                        </div>
                        <h2 class="text-xl font-bold text-gray-900">Informasi Peminjaman</h2>
                    </div>
                    
                    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
                        <!-- Peminjam -->
                        <div class="space-y-3">
                            <label class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-user mr-2 text-green-600"></i>Peminjam
                            </label>
                            <div class="p-4 bg-gray-50 rounded-xl border-2 border-gray-200">
                                <p class="text-lg font-semibold text-gray-900">{{ peminjaman.peminjam.nama_lengkap }}</p>
                                <p class="text-sm text-gray-600">{{ peminjaman.peminjam.email }}</p>
                            </div>
                        </div>

                        <!-- Barang -->
                        <div class="space-y-3">
                            <label class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-boxes mr-2 text-green-600"></i>Barang
                            </label>
                            <div class="p-4 bg-gray-50 rounded-xl border-2 border-gray-200">
                                <p class="text-lg font-semibold text-gray-900">{{ peminjaman.barang.nama }}</p>
                                <p class="text-sm text-gray-600">{{ peminjaman.barang.kategori.nama }}</p>
                            </div>
                        </div>

                        <!-- Tanggal Pinjam -->
                        <div class="space-y-3">
                            <label class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-calendar mr-2 text-green-600"></i>Tanggal Pinjam
                            </label>
                            <div class="p-4 bg-gray-50 rounded-xl border-2 border-gray-200">
                                <p class="text-lg font-semibold text-gray-900">{{ peminjaman.tanggal_pinjam|date:"d M Y" }}</p>
                            </div>
                        </div>

                        <!-- Tanggal Kembali Rencana -->
                        <div class="space-y-3">
                            <label class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-calendar-check mr-2 text-green-600"></i>Tanggal Kembali Rencana
                            </label>
                            <div class="p-4 bg-gray-50 rounded-xl border-2 border-gray-200">
                                <p class="text-lg font-semibold text-gray-900">{{ peminjaman.tanggal_kembali_rencana|date:"d M Y" }}</p>
                            </div>
                        </div>

                        <!-- Durasi -->
                        <div class="space-y-3">
                            <label class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-clock mr-2 text-green-600"></i>Durasi (Hari)
                            </label>
                            <div class="p-4 bg-gray-50 rounded-xl border-2 border-gray-200">
                                <p class="text-lg font-semibold text-gray-900">{{ peminjaman.durasi_hari }} hari</p>
                            </div>
                        </div>

                        <!-- Status -->
                        <div class="space-y-3">
                            <label class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-toggle-on mr-2 text-green-600"></i>Status
                            </label>
                            <div class="p-4 bg-gray-50 rounded-xl border-2 border-gray-200">
                                <span class="inline-flex items-center px-3 py-1 rounded-full text-sm font-medium
                                    {% if peminjaman.status == 'pending' %}bg-yellow-100 text-yellow-800
                                    {% elif peminjaman.status == 'approved' %}bg-green-100 text-green-800
                                    {% elif peminjaman.status == 'rejected' %}bg-red-100 text-red-800
                                    {% else %}bg-gray-100 text-gray-800{% endif %}">
                                    {{ peminjaman.get_status_display }}
                                </span>
                            </div>
                        </div>
                    </div>

                    <!-- Keterangan -->
                    {% if peminjaman.keterangan %}
                    <div class="mt-6 space-y-3">
                        <label class="block text-sm font-semibold text-gray-700">
                            <i class="fas fa-comment mr-2 text-green-600"></i>Keterangan
                        </label>
                        <div class="p-4 bg-gray-50 rounded-xl border-2 border-gray-200">
                            <p class="text-gray-900">{{ peminjaman.keterangan }}</p>
                        </div>
                    </div>
                    {% endif %}
                </div>

                <!-- Aksi Approval -->
                <div class="p-6 sm:p-8 border-b border-gray-100 bg-gradient-to-r from-blue-50 to-indigo-50">
                    <div class="flex items-center mb-6">
                        <div class="w-10 h-10 bg-gradient-to-br from-blue-500 to-indigo-600 rounded-xl flex items-center justify-center mr-4 shadow-lg">
                            <i class="fas fa-gavel text-white"></i>
                        </div>
                        <h2 class="text-xl font-bold text-gray-900">Aksi Approval</h2>
                    </div>
                    
                    <div class="space-y-6">
                        <!-- Status Approval -->
                        <div class="space-y-3">
                            <label for="{{ form.status.id_for_label }}" class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-toggle-on mr-2 text-blue-600"></i>Status Approval <span class="text-red-500">*</span>
                            </label>
                            <div class="relative group">
                                {{ form.status }}
                                <div class="absolute inset-y-0 right-0 flex items-center pr-4 pointer-events-none">
                                    <i class="fas fa-chevron-down text-gray-400 group-focus-within:text-blue-600 transition-colors"></i>
                                </div>
                            </div>
                            {% if form.status.errors %}
                                <div class="flex items-center text-sm text-red-600 bg-red-50 px-3 py-2 rounded-lg">
                                    <i class="fas fa-exclamation-triangle mr-2"></i>{{ form.status.errors.0 }}
                                </div>
                            {% endif %}
                        </div>

                        <!-- Catatan Admin -->
                        <div class="space-y-3">
                            <label for="{{ form.catatan_admin.id_for_label }}" class="block text-sm font-semibold text-gray-700">
                                <i class="fas fa-sticky-note mr-2 text-blue-600"></i>Catatan Admin
                            </label>
                            <div class="relative group">
                                {{ form.catatan_admin }}
                                <div class="absolute top-4 right-4 pointer-events-none">
                                    <i class="fas fa-sticky-note text-gray-400 group-focus-within:text-blue-600 transition-colors"></i>
                                </div>
                            </div>
                            {% if form.catatan_admin.errors %}
                                <div class="flex items-center text-sm text-red-600 bg-red-50 px-3 py-2 rounded-lg">
                                    <i class="fas fa-exclamation-triangle mr-2"></i>{{ form.catatan_admin.errors.0 }}
                                </div>
                            {% endif %}
                        </div>
                    </div>
                </div>

                <!-- Form Actions -->
                <div class="px-6 sm:px-8 py-6 bg-gradient-to-r from-gray-50 to-gray-100 border-t border-gray-200">
                    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-end gap-4">
                        <a href="{% url 'inventaris_admin:peminjaman_list' %}" 
                           class="w-full sm:w-auto inline-flex items-center justify-center px-6 py-3 bg-white border border-gray-300 rounded-xl text-sm font-semibold text-gray-700 hover:bg-gray-50 hover:border-gray-400 transition-all duration-200 shadow-sm hover:shadow-md">
                            <i class="fas fa-times mr-2"></i>Batal
                        </a>
                        <button type="submit" 
                                class="w-full sm:w-auto inline-flex items-center justify-center px-8 py-3 bg-gradient-to-r from-green-600 to-emerald-600 text-white text-sm font-semibold rounded-xl hover:from-green-700 hover:to-emerald-700 transition-all duration-200 shadow-lg hover:shadow-xl transform hover:-translate-y-0.5">
                            <i class="fas fa-check-circle mr-2"></i>Proses Approval
                        </button>
                    </div>
                </div>
            </form>
        </div>

        <!-- Help Section -->
        <div class="mt-8 bg-gradient-to-r from-green-50 via-emerald-50 to-teal-50 border border-green-200 rounded-2xl p-6 shadow-lg">
            <div class="flex items-start space-x-4">
                <div class="flex-shrink-0">
                    <div class="w-10 h-10 bg-gradient-to-br from-green-500 to-emerald-600 rounded-xl flex items-center justify-center shadow-lg">
                        <i class="fas fa-lightbulb text-white"></i>
                    </div>
                </div>
                <div class="flex-1">
                    <h3 class="text-lg font-bold text-green-900 mb-3">Tips Approval</h3>
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-4 text-sm text-green-800">
                        <div class="flex items-start space-x-3">
                            <i class="fas fa-check-circle text-green-600 mt-1"></i>
                            <span>Periksa ketersediaan barang sebelum approve</span>
                        </div>
                        <div class="flex items-start space-x-3">
                            <i class="fas fa-check-circle text-green-600 mt-1"></i>
                            <span>Pastikan durasi peminjaman wajar</span>
                        </div>
                        <div class="flex items-start space-x-3">
                            <i class="fas fa-check-circle text-green-600 mt-1"></i>
                            <span>Berikan catatan jika ada kondisi khusus</span>
                        </div>
                        <div class="flex items-start space-x-3">
                            <i class="fas fa-check-circle text-green-600 mt-1"></i>
                            <span>Status akan otomatis terupdate setelah submit</span>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<style>
/* Modern Form Styling - Beautiful & Minimalist */
select, textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: #ffffff;
    color: #1e293b;
}

select:focus, textarea:focus {
    outline: none;
    border-color: #10b981;
    transform: translateY(-2px);
    background-color: #f0fdf4;
}

select:hover, textarea:hover {
    border-color: #cbd5e1;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 16px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 50px;
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

/* Enhanced Labels */
label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

/* Error States */
.error {
    border-color: #ef4444 !important;
}

/* Success States */
.success {
    border-color: #10b981 !important;
}

/* Mobile Optimizations */
@media (max-width: 640px) {
    select, textarea {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 18px 20px;
        border-radius: 20px;
    }
    
    .grid-cols-1 {
        gap: 1.5rem;
    }
    
    /* Larger touch targets */
    button, a {
        min-height: 48px;
    }
}

/* Button Enhancements */
button[type="submit"] {
    position: relative;
    overflow: hidden;
}

button[type="submit"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

button[type="submit"]:hover::before {
    left: 100%;
}

/* Smooth Animations */
* {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Focus Ring for Accessibility */
select:focus-visible, textarea:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form Section Animations */
.form-section {
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
</style>

<script>
document.addEventListener('DOMContentLoaded', function() {
    // Enhanced form validation with real-time feedback
    const form = document.querySelector('form');
    const inputs = form.querySelectorAll('select, textarea');
    
    inputs.forEach(input => {
        // Real-time validation
        input.addEventListener('blur', function() {
            if (this.hasAttribute('required') && !this.value.trim()) {
                this.classList.add('error');
                this.classList.remove('success');
            } else if (this.value.trim()) {
                this.classList.add('success');
                this.classList.remove('error');
            }
        });
        
        // Clear error on input
        input.addEventListener('input', function() {
            this.classList.remove('error');
            if (this.value.trim()) {
                this.classList.add('success');
            }
        });
    });

    // Form submission with loading state
    if (form) {
        form.addEventListener('submit', function(e) {
            const submitBtn = form.querySelector('button[type="submit"]');
            const requiredFields = form.querySelectorAll('select[required]');
            let isValid = true;
            
            // Validate all required fields
            requiredFields.forEach(field => {
                if (!field.value.trim()) {
                    field.classList.add('error');
                    field.classList.remove('success');
                    isValid = false;
                } else {
                    field.classList.add('success');
                    field.classList.remove('error');
                }
            });
            
            if (!isValid) {
                e.preventDefault();
                
                // Show error message with animation
                const errorMsg = document.createElement('div');
                errorMsg.className = 'fixed top-4 right-4 bg-red-500 text-white px-6 py-3 rounded-lg shadow-lg z-50 transform translate-x-full transition-transform duration-300';
                errorMsg.innerHTML = '<i class="fas fa-exclamation-triangle mr-2"></i>Mohon lengkapi semua field yang wajib diisi';
                document.body.appendChild(errorMsg);
                
                setTimeout(() => errorMsg.classList.remove('translate-x-full'), 100);
                setTimeout(() => {
                    errorMsg.classList.add('translate-x-full');
                    setTimeout(() => errorMsg.remove(), 300);
                }, 3000);
                
                return;
            }
            
            // Add loading state
            submitBtn.classList.add('loading');
            submitBtn.disabled = true;
            
            // Show success message
            const successMsg = document.createElement('div');
            successMsg.className = 'fixed top-4 right-4 bg-green-500 text-white px-6 py-3 rounded-lg shadow-lg z-50 transform translate-x-full transition-transform duration-300';
            successMsg.innerHTML = '<i class="fas fa-check-circle mr-2"></i>Form sedang diproses...';
            document.body.appendChild(successMsg);
            
            setTimeout(() => successMsg.classList.remove('translate-x-full'), 100);
        });
    }

    // Auto-focus first input
    const firstInput = form.querySelector('select, textarea');
    if (firstInput) {
        setTimeout(() => firstInput.focus(), 300);
    }

    // Add form section animations
    const sections = document.querySelectorAll('.p-6, .p-8');
    sections.forEach((section, index) => {
        section.style.animationDelay = `${index * 0.1}s`;
        section.classList.add('form-section');
    });
});
</script>
{% endblock %}