{% extends "base.html" %}
{% from "components/ui.html" import page_header %}
{% from "components/client_select.html" import client_select %}

{% block content %}
{{ page_header(
    icon_class='fas fa-receipt',
    title_text=('Edit Expense' if expense else 'Create Expense'),
    subtitle_text=('Update expense details' if expense else 'Create a new expense record'),
    breadcrumbs=[
        {'text': 'Expenses', 'url': url_for('expenses.list_expenses')},
        {'text': 'Edit Expense' if expense else 'Create Expense'}
    ]
) }}

<div class="max-w-4xl mx-auto">
    <form method="POST" enctype="multipart/form-data" class="bg-card-light dark:bg-card-dark p-6 rounded-xl border border-border-light dark:border-border-dark shadow-sm" novalidate data-validate-form>
        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
        
        <!-- Basic Information -->
        <div class="mb-6">
            <h3 class="text-lg font-semibold mb-4 pb-2 border-b border-gray-200 dark:border-gray-700">
                <i class="fas fa-info-circle mr-2"></i>{{ _('Basic Information') }}
            </h3>
            
            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div class="md:col-span-2">
                    <label for="title" class="form-label">
                        Title <span class="text-red-500">*</span>
                    </label>
                    <input type="text" name="title" id="title" required
                           value="{{ expense.title if expense else '' }}"
                           placeholder="{{ _('e.g., Flight to Berlin') }}"
                           class="form-input">
                </div>
                
                <div class="md:col-span-2">
                    <label for="description" class="form-label">
                        Description
                    </label>
                    <textarea name="description" id="description" rows="3"
                              placeholder="{{ _('Additional details about the expense...') }}"
                              class="form-input">{{ expense.description if expense else '' }}</textarea>
                </div>
                
                <div>
                    <label for="category" class="form-label">
                        Category <span class="text-red-500">*</span>
                    </label>
                    <select name="category" id="category" required
                            class="form-input">
                        <option value="">{{ _('Select Category') }}</option>
                        {% for cat in categories %}
                        <option value="{{ cat }}" {% if expense and expense.category == cat %}selected{% endif %}>
                            {{ cat|title }}
                        </option>
                        {% endfor %}
                    </select>
                </div>
                
                <div>
                    <label for="expense_date" class="form-label">
                        Expense Date <span class="text-red-500">*</span>
                    </label>
                    <input type="date" name="expense_date" id="expense_date" required
                           value="{{ expense.expense_date.strftime('%Y-%m-%d') if expense else '' }}"
                           class="form-input user-date-input">
                </div>
            </div>
        </div>
        
        <!-- Amount Information -->
        <div class="mb-6">
            <h3 class="text-lg font-semibold mb-4 pb-2 border-b border-gray-200 dark:border-gray-700">
                <i class="fas fa-euro-sign mr-2"></i>{{ _('Amount Details') }}
            </h3>
            
            <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
                <div>
                    <label for="amount" class="form-label">
                        Amount <span class="text-red-500">*</span>
                    </label>
                    <input type="number" name="amount" id="amount" step="0.01" required
                           value="{{ expense.amount if expense else '' }}"
                           placeholder="0.00"
                           class="form-input">
                </div>
                
                <div>
                    <label for="tax_amount" class="form-label">
                        Tax Amount
                    </label>
                    <input type="number" name="tax_amount" id="tax_amount" step="0.01"
                           value="{{ expense.tax_amount if expense else '0.00' }}"
                           placeholder="0.00"
                           class="form-input">
                </div>
                
                <div>
                    <label for="currency_code" class="form-label">
                        Currency
                    </label>
                    <select name="currency_code" id="currency_code"
                            class="form-input">
                        <option value="EUR" {% if not expense or expense.currency_code == 'EUR' %}selected{% endif %}>EUR</option>
                        <option value="USD" {% if expense and expense.currency_code == 'USD' %}selected{% endif %}>USD</option>
                        <option value="GBP" {% if expense and expense.currency_code == 'GBP' %}selected{% endif %}>GBP</option>
                        <option value="CHF" {% if expense and expense.currency_code == 'CHF' %}selected{% endif %}>CHF</option>
                    </select>
                </div>
            </div>
            
            <div class="mt-4 p-3 bg-blue-50 dark:bg-blue-900/20 rounded-lg">
                <p class="text-sm text-blue-800 dark:text-blue-200">
                    <i class="fas fa-info-circle mr-1"></i>
                    <strong>Total Amount:</strong> <span id="total_display">{{ (expense.amount + (expense.tax_amount or 0)) if expense else '0.00' }}</span> {{ expense.currency_code if expense else 'EUR' }}
                </p>
            </div>
        </div>
        
        <!-- Project & Client -->
        <div class="mb-6">
            <h3 class="text-lg font-semibold mb-4 pb-2 border-b border-gray-200 dark:border-gray-700">
                <i class="fas fa-project-diagram mr-2"></i>{{ _('Association') }}
            </h3>
            
            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div>
                    <label for="project_id" class="form-label">
                        Project
                    </label>
                    <select name="project_id" id="project_id"
                            class="form-input">
                        <option value="">No Project</option>
                        {% for project in projects %}
                        <option value="{{ project.id }}" 
                                data-client-id="{{ project.client_id if project.client_id else '' }}"
                                {% if expense and expense.project_id == project.id %}selected{% endif %}>
                            {{ project.name }}
                        </option>
                        {% endfor %}
                    </select>
                    <p class="text-xs text-gray-500 mt-1"><i class="fas fa-info-circle"></i> Selecting a project will auto-fill the client</p>
                </div>
                
                <div>
                    <label for="client_id" class="form-label">
                        Client
                    </label>
                    {{ client_select('client_id', clients, selected_id=expense.client_id if expense else none, required=False, only_one_client=only_one_client|default(false), single_client=single_client) }}
                </div>
            </div>
        </div>
        
        <!-- Payment Information -->
        <div class="mb-6">
            <h3 class="text-lg font-semibold mb-4 pb-2 border-b border-gray-200 dark:border-gray-700">
                <i class="fas fa-credit-card mr-2"></i>{{ _('Payment Details') }}
            </h3>
            
            <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
                <div>
                    <label for="payment_method" class="form-label">
                        Payment Method
                    </label>
                    <select name="payment_method" id="payment_method"
                            class="form-input">
                        <option value="">Select Method</option>
                        {% for method in payment_methods %}
                        <option value="{{ method }}" {% if expense and expense.payment_method == method %}selected{% endif %}>
                            {{ method.replace('_', ' ')|title }}
                        </option>
                        {% endfor %}
                    </select>
                </div>
                
                <div>
                    <label for="payment_date" class="form-label">
                        Payment Date
                    </label>
                    <input type="date" name="payment_date" id="payment_date"
                           value="{{ expense.payment_date.strftime('%Y-%m-%d') if expense and expense.payment_date else '' }}"
                           class="form-input user-date-input">
                </div>
                
                <div>
                    <label for="vendor" class="form-label">
                        Vendor
                    </label>
                    <input type="text" name="vendor" id="vendor"
                           value="{{ expense.vendor if expense else '' }}"
                           placeholder="{{ _('e.g., Lufthansa') }}"
                           class="form-input">
                </div>
            </div>
        </div>
        
        <!-- Receipt & Additional Info -->
        <div class="mb-6">
            <h3 class="text-lg font-semibold mb-4 pb-2 border-b border-gray-200 dark:border-gray-700">
                <i class="fas fa-file-alt mr-2"></i>{{ _('Receipt & Additional Information') }}
            </h3>
            
            <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
                <div>
                    <label for="receipt_file" class="form-label">
                        Receipt File
                    </label>
                    <input type="file" name="receipt_file" id="receipt_file"
                           accept=".png,.jpg,.jpeg,.gif,.pdf"
                           class="form-input">
                    <p class="text-xs text-gray-500 mt-1">Allowed: PNG, JPG, GIF, PDF (Max 10MB)</p>
                    {% if expense and expense.receipt_path %}
                    <p class="text-xs text-green-600 mt-1">
                        <i class="fas fa-check-circle"></i> Receipt uploaded
                    </p>
                    {% endif %}
                </div>
                
                <div>
                    <label for="receipt_number" class="form-label">
                        {{ _('Receipt/Invoice Number') }}
                    </label>
                    <input type="text" name="receipt_number" id="receipt_number"
                           value="{{ expense.receipt_number if expense else '' }}"
                           placeholder="{{ _('e.g., INV-2024-001') }}"
                           class="form-input">
                </div>
            </div>
            
            <div class="mb-4">
                <label for="tags" class="form-label">
                    Tags (comma-separated)
                </label>
                <input type="text" name="tags" id="tags"
                       value="{{ expense.tags if expense else '' }}"
                       placeholder="{{ _('e.g., conference, client-meeting, urgent') }}"
                       class="form-input">
            </div>
            
            <div>
                <label for="notes" class="form-label">
                    Notes
                </label>
                <textarea name="notes" id="notes" rows="3"
                          placeholder="{{ _('Additional notes...') }}"
                          class="form-input">{{ expense.notes if expense else '' }}</textarea>
            </div>
        </div>
        
        <!-- Flags -->
        <div class="mb-6">
            <h3 class="text-lg font-semibold mb-4 pb-2 border-b border-gray-200 dark:border-gray-700">
                <i class="fas fa-toggle-on mr-2"></i>{{ _('Options') }}
            </h3>
            
            <div class="space-y-3">
                <div class="flex items-center">
                    <input type="checkbox" name="billable" id="billable"
                           {% if expense and expense.billable %}checked{% endif %}
                           class="h-4 w-4 text-primary focus:ring-primary border-gray-300 rounded">
                    <label for="billable" class="ml-2 text-sm text-gray-700 dark:text-gray-300">
                        <strong>Billable to Client</strong>
                        <span class="block text-xs text-gray-500">This expense can be billed to the client</span>
                    </label>
                </div>
                
                <div class="flex items-center">
                    <input type="checkbox" name="reimbursable" id="reimbursable"
                           {% if not expense or expense.reimbursable %}checked{% endif %}
                           class="h-4 w-4 text-primary focus:ring-primary border-gray-300 rounded">
                    <label for="reimbursable" class="ml-2 text-sm text-gray-700 dark:text-gray-300">
                        <strong>Reimbursable</strong>
                        <span class="block text-xs text-gray-500">Request reimbursement for this expense</span>
                    </label>
                </div>
            </div>
        </div>
        
        <!-- Actions -->
        <div class="flex items-center justify-between pt-4 border-t border-gray-200 dark:border-gray-700">
            <a href="{{ url_for('expenses.view_expense', expense_id=expense.id) if expense else url_for('expenses.list_expenses') }}" 
               class="btn btn-secondary">
                <i class="fas fa-times mr-2"></i>Cancel
            </a>
            
            <button type="submit" class="btn btn-primary">
                <i class="fas fa-save mr-2"></i>{{ 'Update Expense' if expense else 'Create Expense' }}
            </button>
        </div>
    </form>
</div>

<script>
// Calculate and display total amount
function updateTotal() {
    const amount = parseFloat(document.getElementById('amount').value) || 0;
    const taxAmount = parseFloat(document.getElementById('tax_amount').value) || 0;
    const total = amount + taxAmount;
    const currency = document.getElementById('currency_code').value;
    document.getElementById('total_display').textContent = total.toFixed(2) + ' ' + currency;
}

document.getElementById('amount').addEventListener('input', updateTotal);
document.getElementById('tax_amount').addEventListener('input', updateTotal);
document.getElementById('currency_code').addEventListener('change', updateTotal);

// Auto-select client when project is selected
document.getElementById('project_id').addEventListener('change', function() {
    const selectedOption = this.options[this.selectedIndex];
    const clientId = selectedOption.getAttribute('data-client-id');
    const clientSelect = document.getElementById('client_id');
    
    if (clientId) {
        // Set the client dropdown to the project's client
        clientSelect.value = clientId;
        
        // Visual feedback
        clientSelect.classList.add('bg-green-100', 'dark:bg-green-900/30', 'transition-colors', 'duration-300');
        setTimeout(() => {
            clientSelect.classList.remove('bg-green-100', 'dark:bg-green-900/30');
        }, 1000);
    } else {
        // If project has no client or "No Project" is selected, clear client selection
        // But only if user hasn't manually selected a client
        // We'll be conservative and not clear it automatically
    }
});

// Set default expense date to today if creating new
{% if not expense %}
document.getElementById('expense_date').value = new Date().toISOString().split('T')[0];
{% endif %}
</script>

{% endblock %}