@extends('layouts.app')

@section('title', 'Monedas y Tasas de Cambio')

@section('content')
<div class="container-fluid">
    <!-- Breadcrumb -->
    <nav aria-label="breadcrumb" class="mb-4">
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="{{ route('dashboard') }}">Dashboard</a></li>
            <li class="breadcrumb-item"><a href="{{ route('configuracion.index') }}">Configuración</a></li>
            <li class="breadcrumb-item active">Monedas y Tasas de Cambio</li>
        </ol>
    </nav>

    <!-- Título de la página -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h1 class="h3 mb-0 text-gray-800">
            <i class="fas fa-coins me-2"></i>Monedas y Tasas de Cambio
        </h1>
        <div class="btn-group" role="group">
            <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createRateModal">
                <i class="fas fa-plus me-2"></i>Nueva Tasa de Cambio
            </button>
        </div>
    </div>

    <!-- Estadísticas -->
    <div class="row mb-4">
        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-primary shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-primary text-uppercase mb-1">
                                Total Tasas
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">
                                {{ $totalRates }}
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-exchange-alt fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-success shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-success text-uppercase mb-1">
                                Tasas Activas
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">
                                {{ $activeRates }}
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-check-circle fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-info shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-info text-uppercase mb-1">
                                Monedas Registradas
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">
                                {{ $currencies->count() }}
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-coins fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Tabla de tasas de cambio -->
    <div class="row">
        <div class="col-12">
            <div class="card shadow">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-primary">
                        <i class="fas fa-list me-2"></i>Tasas de Cambio
                    </h6>
                </div>
                <div class="card-body">
                    @if($exchangeRates->count() > 0)
                        <div class="table-responsive">
                            <table class="table table-hover">
                                <thead>
                                    <tr>
                                        <th>Desde</th>
                                        <th>Hacia</th>
                                        <th>Tipo</th>
                                        <th>Tasa Principal</th>
                                        <th>Tasa Real</th>
                                        <th>Tasa Legal</th>
                                        <th>Fecha Efectiva</th>
                                        <th>Estado</th>
                                        <th width="150">Acciones</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @foreach($exchangeRates as $rate)
                                        <tr>
                                            <td>
                                                <span class="badge bg-primary">{{ $rate->from_currency }}</span>
                                            </td>
                                            <td>
                                                <span class="badge bg-success">{{ $rate->to_currency }}</span>
                                            </td>
                                            <td>
                                                @if($rate->calculation_type === 'direct')
                                                    <span class="badge bg-info">Directa</span>
                                                @else
                                                    <span class="badge bg-warning">Dual</span>
                                                @endif
                                            </td>
                                            <td>
                                                @if($rate->calculation_type === 'direct' && $rate->rate)
                                                    <strong>{{ number_format($rate->rate, 4) }}</strong>
                                                @else
                                                    <span class="text-muted">N/A</span>
                                                @endif
                                            </td>
                                            <td>
                                                @if($rate->rate_real)
                                                    <strong>{{ number_format($rate->rate_real, 4) }}</strong>
                                                @else
                                                    <span class="text-muted">N/A</span>
                                                @endif
                                            </td>
                                            <td>
                                                @if($rate->rate_legal)
                                                    <strong>{{ number_format($rate->rate_legal, 4) }}</strong>
                                                @else
                                                    <span class="text-muted">N/A</span>
                                                @endif
                                            </td>
                                            <td>{{ $rate->effective_date->format('d/m/Y') }}</td>
                                            <td>
                                                @if($rate->is_active)
                                                    <span class="badge bg-success">Activa</span>
                                                @else
                                                    <span class="badge bg-secondary">Inactiva</span>
                                                @endif
                                            </td>
                                            <td>
                                                <div class="btn-group" role="group">
                                                    <button type="button" class="btn btn-sm btn-warning" 
                                                            onclick="editRate({{ $rate->id }})" title="Editar">
                                                        <i class="fas fa-edit"></i>
                                                    </button>
                                                    <button type="button" class="btn btn-sm btn-{{ $rate->is_active ? 'secondary' : 'success' }}" 
                                                            onclick="toggleStatus({{ $rate->id }})" 
                                                            title="{{ $rate->is_active ? 'Desactivar' : 'Activar' }}">
                                                        <i class="fas fa-{{ $rate->is_active ? 'toggle-on' : 'toggle-off' }}"></i>
                                                    </button>
                                                    <form method="POST" action="{{ route('configuracion.currencies.destroy', $rate->id) }}" 
                                                          class="d-inline" onsubmit="return confirm('¿Está seguro de eliminar esta tasa de cambio?');">
                                                        @csrf
                                                        @method('DELETE')
                                                        <button type="submit" class="btn btn-sm btn-danger" title="Eliminar">
                                                            <i class="fas fa-trash"></i>
                                                        </button>
                                                    </form>
                                                </div>
                                            </td>
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>
                    @else
                        <div class="text-center py-5">
                            <i class="fas fa-exchange-alt fa-4x text-gray-300 mb-4"></i>
                            <h4 class="text-gray-600">No hay tasas de cambio registradas</h4>
                            <p class="text-muted">Comienza agregando tu primera tasa de cambio.</p>
                            <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createRateModal">
                                <i class="fas fa-plus me-1"></i>Nueva Tasa de Cambio
                            </button>
                        </div>
                    @endif
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Modal Crear Tasa de Cambio -->
<div class="modal fade" id="createRateModal" tabindex="-1" aria-labelledby="createRateModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="createRateModalLabel">Nueva Tasa de Cambio</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <form method="POST" action="{{ route('configuracion.currencies.store') }}" id="rateForm">
                @csrf
                <div class="modal-body">
                    <div class="alert alert-info">
                        <i class="fas fa-info-circle me-2"></i>La moneda principal del sistema es <strong>USD</strong>. Todas las tasas de cambio se registran desde USD hacia otras monedas.
                    </div>
                    
                    <div class="mb-3">
                        <label for="from_currency" class="form-label">Moneda Origen *</label>
                        <input type="text" class="form-control" id="from_currency" name="from_currency" value="USD" readonly>
                        <small class="text-muted">La moneda principal del sistema es USD</small>
                    </div>

                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="to_currency" class="form-label">Moneda Destino *</label>
                            <select class="form-select @error('to_currency') is-invalid @enderror" 
                                    id="to_currency" name="to_currency" required>
                                <option value="">Seleccionar moneda</option>
                                @php
                                    $monedasEstandar = ['EUR', 'COP', 'MXN', 'VES', 'GBP', 'JPY', 'CNY', 'ARS', 'CLP', 'BRL', 'CAD', 'AUD', 'CHF', 'SEK', 'NOK', 'DKK', 'NZD', 'SGD', 'HKD', 'KRW', 'INR'];
                                @endphp
                                @foreach($monedasEstandar as $moneda)
                                    <option value="{{ $moneda }}" {{ old('to_currency') == $moneda ? 'selected' : '' }}>
                                        {{ $moneda }}
                                    </option>
                                @endforeach
                                <option value="CUSTOM" {{ old('to_currency') == 'CUSTOM' ? 'selected' : '' }}>Registrar otra moneda...</option>
                            </select>
                            @error('to_currency')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                        
                        <div class="col-md-6 mb-3" id="customCurrencyContainer" style="display: none;">
                            <label for="custom_currency" class="form-label">Código de Moneda *</label>
                            <input type="text" class="form-control" id="custom_currency" name="custom_currency" maxlength="3" 
                                   placeholder="Ej: BTC">
                        </div>
                    </div>

                    <div class="mb-3">
                        <label for="calculation_type" class="form-label">Tipo de Cálculo *</label>
                        <select class="form-select @error('calculation_type') is-invalid @enderror" 
                                id="calculation_type" name="calculation_type" required onchange="toggleCalculationFields()">
                            <option value="">Seleccionar tipo</option>
                            <option value="direct" {{ old('calculation_type') == 'direct' ? 'selected' : '' }}>Directa (Ej: EUR)</option>
                            <option value="dual" {{ old('calculation_type') == 'dual' ? 'selected' : '' }}>Dual (Ej: VES - Tasa Real + Tasa Legal)</option>
                        </select>
                        <small class="text-muted">
                            <strong>Directa:</strong> Una sola tasa de conversión<br>
                            <strong>Dual:</strong> Dos tasas (Real para cálculos, Legal para reportes informativos)
                        </small>
                        @error('calculation_type')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Campos para cálculo directo -->
                    <div id="directFields" style="display: none;">
                        <div class="mb-3">
                            <label for="rate" class="form-label">Tasa de Cambio *</label>
                            <div class="input-group">
                                <span class="input-group-text">1 USD =</span>
                                <input type="number" step="0.0001" class="form-control @error('rate') is-invalid @enderror" 
                                       id="rate" name="rate" min="0.0001" placeholder="0.9200">
                            </div>
                            <small class="text-muted">Ejemplo: 0.9200 (para EUR) significa que 1 USD = 0.92 EUR</small>
                            @error('rate')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>

                    <!-- Campos para cálculo dual -->
                    <div id="dualFields" style="display: none;">
                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label for="rate_real" class="form-label">Tasa Real *</label>
                                <div class="input-group">
                                    <span class="input-group-text">1 USD =</span>
                                    <input type="number" step="0.0001" class="form-control @error('rate_real') is-invalid @enderror" 
                                           id="rate_real" name="rate_real" min="0.0001" placeholder="36.5000">
                                </div>
                                <small class="text-muted">Usada para cálculos de ingresos</small>
                                @error('rate_real')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            
                            <div class="col-md-6 mb-3">
                                <label for="rate_legal" class="form-label">Tasa Legal *</label>
                                <div class="input-group">
                                    <span class="input-group-text">1 USD =</span>
                                    <input type="number" step="0.0001" class="form-control @error('rate_legal') is-invalid @enderror" 
                                           id="rate_legal" name="rate_legal" min="0.0001" placeholder="21.0000">
                                </div>
                                <small class="text-muted">Usada para reportes informativos</small>
                                @error('rate_legal')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>
                    </div>

                    <div class="mb-3">
                        <label for="effective_date" class="form-label">Fecha Efectiva *</label>
                        <input type="date" class="form-control @error('effective_date') is-invalid @enderror" 
                               id="effective_date" name="effective_date" value="{{ old('effective_date', date('Y-m-d')) }}" required>
                        @error('effective_date')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <div class="mb-3 form-check">
                        <input type="checkbox" class="form-check-input" id="is_active" name="is_active" value="1" checked>
                        <label class="form-check-label" for="is_active">
                            Activa
                        </label>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancelar</button>
                    <button type="submit" class="btn btn-primary">Guardar</button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Modal Editar Tasa de Cambio -->
<div class="modal fade" id="editRateModal" tabindex="-1" aria-labelledby="editRateModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="editRateModalLabel">Editar Tasa de Cambio</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <form method="POST" id="editRateForm">
                @csrf
                @method('PUT')
                <div class="modal-body">
                    <div class="alert alert-info">
                        <i class="fas fa-info-circle me-2"></i>La moneda principal del sistema es <strong>USD</strong>.
                    </div>
                    
                    <div class="mb-3">
                        <label for="edit_from_currency" class="form-label">Moneda Origen *</label>
                        <input type="text" class="form-control" id="edit_from_currency" name="from_currency" value="USD" readonly>
                    </div>

                    <div class="mb-3">
                        <label for="edit_to_currency" class="form-label">Moneda Destino *</label>
                        <input type="text" class="form-control" id="edit_to_currency" name="to_currency" readonly>
                    </div>

                    <div class="mb-3">
                        <label for="edit_calculation_type" class="form-label">Tipo de Cálculo *</label>
                        <select class="form-select" id="edit_calculation_type" name="calculation_type" required onchange="toggleEditCalculationFields()">
                            <option value="direct">Directa</option>
                            <option value="dual">Dual</option>
                        </select>
                    </div>

                    <div id="editDirectFields" style="display: none;">
                        <div class="mb-3">
                            <label for="edit_rate" class="form-label">Tasa de Cambio *</label>
                            <div class="input-group">
                                <span class="input-group-text">1 USD =</span>
                                <input type="number" step="0.0001" class="form-control" 
                                       id="edit_rate" name="rate" min="0.0001">
                            </div>
                        </div>
                    </div>

                    <div id="editDualFields" style="display: none;">
                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label for="edit_rate_real" class="form-label">Tasa Real *</label>
                                <div class="input-group">
                                    <span class="input-group-text">1 USD =</span>
                                    <input type="number" step="0.0001" class="form-control" 
                                           id="edit_rate_real" name="rate_real" min="0.0001">
                                </div>
                            </div>
                            <div class="col-md-6 mb-3">
                                <label for="edit_rate_legal" class="form-label">Tasa Legal *</label>
                                <div class="input-group">
                                    <span class="input-group-text">1 USD =</span>
                                    <input type="number" step="0.0001" class="form-control" 
                                           id="edit_rate_legal" name="rate_legal" min="0.0001">
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="mb-3">
                        <label for="edit_effective_date" class="form-label">Fecha Efectiva *</label>
                        <input type="date" class="form-control" 
                               id="edit_effective_date" name="effective_date" required>
                    </div>

                    <div class="mb-3 form-check">
                        <input type="checkbox" class="form-check-input" id="edit_is_active" name="is_active" value="1">
                        <label class="form-check-label" for="edit_is_active">
                            Activa
                        </label>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancelar</button>
                    <button type="submit" class="btn btn-primary">Guardar Cambios</button>
                </div>
            </form>
        </div>
    </div>
</div>

@push('scripts')
<script>
    function toggleCalculationFields() {
        const type = document.getElementById('calculation_type').value;
        const directFields = document.getElementById('directFields');
        const dualFields = document.getElementById('dualFields');
        
        if (type === 'direct') {
            directFields.style.display = 'block';
            dualFields.style.display = 'none';
            document.getElementById('rate').required = true;
            document.getElementById('rate_real').required = false;
            document.getElementById('rate_legal').required = false;
        } else if (type === 'dual') {
            directFields.style.display = 'none';
            dualFields.style.display = 'block';
            document.getElementById('rate').required = false;
            document.getElementById('rate_real').required = true;
            document.getElementById('rate_legal').required = true;
        } else {
            directFields.style.display = 'none';
            dualFields.style.display = 'none';
        }
    }
    
    function toggleEditCalculationFields() {
        const type = document.getElementById('edit_calculation_type').value;
        const directFields = document.getElementById('editDirectFields');
        const dualFields = document.getElementById('editDualFields');
        
        if (type === 'direct') {
            directFields.style.display = 'block';
            dualFields.style.display = 'none';
        } else {
            directFields.style.display = 'none';
            dualFields.style.display = 'block';
        }
    }
    
    function toggleCustomCurrency() {
        const select = document.getElementById('to_currency');
        const container = document.getElementById('customCurrencyContainer');
        
        if (select.value === 'CUSTOM') {
            container.style.display = 'block';
        } else {
            container.style.display = 'none';
        }
    }
    
    // Convertir a mayúsculas automáticamente
    document.addEventListener('DOMContentLoaded', function() {
        const customCurrencyInput = document.getElementById('custom_currency');
        if (customCurrencyInput) {
            customCurrencyInput.addEventListener('input', function() {
                this.value = this.value.toUpperCase();
            });
        }
        
        // Manejar el envío del formulario
        const rateForm = document.getElementById('rateForm');
        if (rateForm) {
            rateForm.addEventListener('submit', function(e) {
                const toCurrency = document.getElementById('to_currency').value;
                const customCurrency = document.getElementById('custom_currency').value;
                
                if (toCurrency === 'CUSTOM') {
                    if (!customCurrency || customCurrency.length !== 3) {
                        e.preventDefault();
                        alert('Por favor ingrese un código de moneda de 3 letras');
                        return false;
                    }
                    document.getElementById('to_currency').value = customCurrency;
                }
            });
        }
    });
    
    function editRate(id) {
        fetch(`/configuracion/currencies/${id}`)
            .then(response => response.json())
            .then(data => {
                document.getElementById('edit_from_currency').value = data.from_currency;
                document.getElementById('edit_to_currency').value = data.to_currency;
                document.getElementById('edit_calculation_type').value = data.calculation_type;
                document.getElementById('edit_rate').value = data.rate;
                document.getElementById('edit_rate_real').value = data.rate_real;
                document.getElementById('edit_rate_legal').value = data.rate_legal;
                document.getElementById('edit_effective_date').value = data.effective_date;
                document.getElementById('edit_is_active').checked = data.is_active;
                
                // Mostrar campos según tipo
                toggleEditCalculationFields();
                
                document.getElementById('editRateForm').action = `/configuracion/currencies/${id}`;
                new bootstrap.Modal(document.getElementById('editRateModal')).show();
            })
            .catch(error => {
                alert('Error al cargar los datos de la tasa');
            });
    }

    function toggleStatus(id) {
        if(confirm('¿Desea cambiar el estado de esta tasa de cambio?')) {
            fetch(`/configuracion/currencies/${id}/toggle-status`, {
                method: 'POST',
                headers: {
                    'X-CSRF-TOKEN': '{{ csrf_token() }}',
                    'Content-Type': 'application/json'
                }
            })
            .then(response => response.json())
            .then(data => {
                location.reload();
            })
            .catch(error => {
                alert('Error al cambiar el estado');
            });
        }
    }
</script>
@endpush
@endsection