@extends('patent::layouts.master')

@section('title', 'Create Transaction - ' . $patent->application_title)

@section('content')
<div class="container-fluid mt-4">
    <div class="row">
        <div class="col-12">
            <div class="card shadow">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <div>
                        <h5 class="mb-0">Create New Transaction</h5>
                        <small class="text-muted">Patent: {{ $patent->application_title }}</small>
                    </div>
                    <a href="{{ route('patent.transactions.index', $patent->id) }}" class="btn btn-secondary">
                        <i class="fas fa-arrow-left"></i> Back to Transactions
                    </a>
                </div>

                <div class="card-body">
                    <form method="POST" action="{{ route('patent.transactions.store', $patent->id) }}">
                        @csrf

                        <div class="row">
                            <!-- Transaction Type -->
                            <div class="col-md-6 mb-3">
                                <label for="transaction_type_id" class="form-label">Transaction Type <span class="text-danger">*</span></label>
                                <select name="transaction_type_id" id="transaction_type_id" class="form-select select2 @error('transaction_type_id') is-invalid @enderror" required>
                                    <option value="">-- Select Transaction Type --</option>
                                    @foreach($transactionTypes as $type)
                                        <option value="{{ $type->id }}" {{ old('transaction_type_id', $prefilled['transaction_type_id'] ?? '') == $type->id ? 'selected' : '' }}>
                                            {{ $type->name }}
                                        </option>
                                    @endforeach
                                </select>
                                @error('transaction_type_id')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>


                        </div>

                        <div class="row">
                            <!-- AIPT Reference (Readonly) -->
                            <div class="col-md-6 mb-3">
                                <label for="aipt_ref" class="form-label">AIPT Reference</label>
                                <input type="text" name="aipt_ref" id="aipt_ref" class="form-control" 
                                       value="{{ $patent->aipt_ref }}" readonly>
                                <small class="form-text text-muted">This reference is inherited from the patent application</small>
                            </div>

                            <!-- Country -->
                            <div class="col-md-6 mb-3">
                                <label for="country" class="form-label">Country</label>
                                <input type="text" name="country" id="country" class="form-control @error('country') is-invalid @enderror" 
                                       value="{{ old('country', $prefilled['country'] ?? '') }}" placeholder="Enter country name">
                                @error('country')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="row">
                            <!-- Amount -->
                            <div class="col-md-4 mb-3">
                                <label for="amount" class="form-label">Amount <span class="text-danger">*</span></label>
                                <input type="number" name="amount" id="amount" step="0.01" min="0" 
                                       class="form-control @error('amount') is-invalid @enderror" 
                                       value="{{ old('amount') }}" required>
                                @error('amount')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <!-- Currency -->
                            <div class="col-md-4 mb-3">
                                <label for="currency" class="form-label">Currency <span class="text-danger">*</span></label>
                                <select name="currency" id="currency" class="form-select select2 @error('currency') is-invalid @enderror" required>
                                    <option value="USD" {{ old('currency', 'USD') == 'USD' ? 'selected' : '' }}>USD - US Dollar</option>
                                    <option value="EUR" {{ old('currency') == 'EUR' ? 'selected' : '' }}>EUR - Euro</option>
                                    <option value="GBP" {{ old('currency') == 'GBP' ? 'selected' : '' }}>GBP - British Pound</option>
                                    <option value="EGP" {{ old('currency') == 'EGP' ? 'selected' : '' }}>EGP - Egyptian Pound</option>
                                    <option value="AED" {{ old('currency') == 'AED' ? 'selected' : '' }}>AED - UAE Dirham</option>
                                    <option value="SAR" {{ old('currency') == 'SAR' ? 'selected' : '' }}>SAR - Saudi Riyal</option>
                                    <option value="KWD" {{ old('currency') == 'KWD' ? 'selected' : '' }}>KWD - Kuwaiti Dinar</option>
                                    <option value="QAR" {{ old('currency') == 'QAR' ? 'selected' : '' }}>QAR - Qatari Riyal</option>
                                    <option value="BHD" {{ old('currency') == 'BHD' ? 'selected' : '' }}>BHD - Bahraini Dinar</option>
                                    <option value="OMR" {{ old('currency') == 'OMR' ? 'selected' : '' }}>OMR - Omani Rial</option>
                                    <option value="JOD" {{ old('currency') == 'JOD' ? 'selected' : '' }}>JOD - Jordanian Dinar</option>
                                    <option value="LBP" {{ old('currency') == 'LBP' ? 'selected' : '' }}>LBP - Lebanese Pound</option>
                                    <option value="JPY" {{ old('currency') == 'JPY' ? 'selected' : '' }}>JPY - Japanese Yen</option>
                                    <option value="CNY" {{ old('currency') == 'CNY' ? 'selected' : '' }}>CNY - Chinese Yuan</option>
                                    <option value="INR" {{ old('currency') == 'INR' ? 'selected' : '' }}>INR - Indian Rupee</option>
                                    <option value="CAD" {{ old('currency') == 'CAD' ? 'selected' : '' }}>CAD - Canadian Dollar</option>
                                    <option value="AUD" {{ old('currency') == 'AUD' ? 'selected' : '' }}>AUD - Australian Dollar</option>
                                    <option value="CHF" {{ old('currency') == 'CHF' ? 'selected' : '' }}>CHF - Swiss Franc</option>
                                    <option value="SEK" {{ old('currency') == 'SEK' ? 'selected' : '' }}>SEK - Swedish Krona</option>
                                    <option value="NOK" {{ old('currency') == 'NOK' ? 'selected' : '' }}>NOK - Norwegian Krone</option>
                                    <option value="DKK" {{ old('currency') == 'DKK' ? 'selected' : '' }}>DKK - Danish Krone</option>
                                    <option value="PLN" {{ old('currency') == 'PLN' ? 'selected' : '' }}>PLN - Polish Zloty</option>
                                    <option value="CZK" {{ old('currency') == 'CZK' ? 'selected' : '' }}>CZK - Czech Koruna</option>
                                    <option value="HUF" {{ old('currency') == 'HUF' ? 'selected' : '' }}>HUF - Hungarian Forint</option>
                                    <option value="RUB" {{ old('currency') == 'RUB' ? 'selected' : '' }}>RUB - Russian Ruble</option>
                                    <option value="TRY" {{ old('currency') == 'TRY' ? 'selected' : '' }}>TRY - Turkish Lira</option>
                                    <option value="ZAR" {{ old('currency') == 'ZAR' ? 'selected' : '' }}>ZAR - South African Rand</option>
                                    <option value="BRL" {{ old('currency') == 'BRL' ? 'selected' : '' }}>BRL - Brazilian Real</option>
                                    <option value="MXN" {{ old('currency') == 'MXN' ? 'selected' : '' }}>MXN - Mexican Peso</option>
                                    <option value="KRW" {{ old('currency') == 'KRW' ? 'selected' : '' }}>KRW - South Korean Won</option>
                                    <option value="SGD" {{ old('currency') == 'SGD' ? 'selected' : '' }}>SGD - Singapore Dollar</option>
                                    <option value="HKD" {{ old('currency') == 'HKD' ? 'selected' : '' }}>HKD - Hong Kong Dollar</option>
                                    <option value="NZD" {{ old('currency') == 'NZD' ? 'selected' : '' }}>NZD - New Zealand Dollar</option>
                                    <option value="THB" {{ old('currency') == 'THB' ? 'selected' : '' }}>THB - Thai Baht</option>
                                    <option value="MYR" {{ old('currency') == 'MYR' ? 'selected' : '' }}>MYR - Malaysian Ringgit</option>
                                    <option value="IDR" {{ old('currency') == 'IDR' ? 'selected' : '' }}>IDR - Indonesian Rupiah</option>
                                    <option value="PHP" {{ old('currency') == 'PHP' ? 'selected' : '' }}>PHP - Philippine Peso</option>
                                    <option value="VND" {{ old('currency') == 'VND' ? 'selected' : '' }}>VND - Vietnamese Dong</option>
                                </select>
                                @error('currency')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <!-- Exchange Rate -->
                            <div class="col-md-4 mb-3">
                                <label for="exchange_rate" class="form-label">Exchange Rate</label>
                                <div class="input-group">
                                    <input type="number" name="exchange_rate" id="exchange_rate" step="0.0001" min="0" 
                                           class="form-control @error('exchange_rate') is-invalid @enderror" 
                                           value="{{ old('exchange_rate', '1.0000') }}">
                                    <button type="button" class="btn btn-outline-secondary" id="fetch-rate-btn" title="Fetch current rate">
                                        <i class="fas fa-sync-alt"></i>
                                    </button>
                                </div>
                                <small class="form-text text-muted">Rate to convert to USD (default: 1.0000)</small>
                                <div id="rate-info" class="text-muted small mt-1"></div>
                                @error('exchange_rate')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="row">
                            <!-- Transaction Date -->
                            <div class="col-md-4 mb-3">
                                <label for="transaction_date" class="form-label">Transaction Date</label>
                                <input type="date" name="transaction_date" id="transaction_date" 
                                       class="form-control @error('transaction_date') is-invalid @enderror" 
                                       value="{{ old('transaction_date') }}">
                                @error('transaction_date')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <!-- Deadline -->
                            <div class="col-md-4 mb-3">
                                <label for="deadline" class="form-label">Deadline</label>
                                <input type="date" name="deadline" id="deadline" 
                                       class="form-control @error('deadline') is-invalid @enderror" 
                                       value="{{ old('deadline') }}">
                                @error('deadline')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <!-- Bill Deadline -->
                            <div class="col-md-4 mb-3">
                                <label for="bill_deadline" class="form-label">Bill Deadline</label>
                                <input type="date" name="bill_deadline" id="bill_deadline" 
                                       class="form-control @error('bill_deadline') is-invalid @enderror" 
                                       value="{{ old('bill_deadline') }}">
                                @error('bill_deadline')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="row">
                            <!-- Payment Method -->
                            <div class="col-md-6 mb-3">
                                <label for="payment_method" class="form-label">Payment Method</label>
                                <select name="payment_method" id="payment_method" class="form-select @error('payment_method') is-invalid @enderror">
                                    <option value="">-- Select Payment Method --</option>
                                    <option value="bank_transfer" {{ old('payment_method') == 'bank_transfer' ? 'selected' : '' }}>Bank Transfer</option>
                                    <option value="credit_card" {{ old('payment_method') == 'credit_card' ? 'selected' : '' }}>Credit Card</option>
                                    <option value="cash" {{ old('payment_method') == 'cash' ? 'selected' : '' }}>Cash</option>
                                    <option value="check" {{ old('payment_method') == 'check' ? 'selected' : '' }}>Check</option>
                                    <option value="other" {{ old('payment_method') == 'other' ? 'selected' : '' }}>Other</option>
                                </select>
                                @error('payment_method')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>

                            <!-- Transaction Reference -->
                            <div class="col-md-6 mb-3">
                                <label for="transaction_reference" class="form-label">Transaction Reference</label>
                                <input type="text" name="transaction_reference" id="transaction_reference" 
                                       class="form-control @error('transaction_reference') is-invalid @enderror" 
                                       value="{{ old('transaction_reference') }}" placeholder="Bank reference, receipt number, etc.">
                                @error('transaction_reference')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="row">
                            <!-- Invoice Number -->
                            <div class="col-md-6 mb-3">
                                <label for="invoice_no" class="form-label">Invoice Number</label>
                                <input type="text" name="invoice_no" id="invoice_no" 
                                       class="form-control @error('invoice_no') is-invalid @enderror" 
                                       value="{{ old('invoice_no') }}" placeholder="Invoice number if available">
                                @error('invoice_no')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <!-- Description -->
                        <div class="mb-3">
                            <label for="description" class="form-label">Description</label>
                            <textarea name="description" id="description" rows="4" 
                                      class="form-control @error('description') is-invalid @enderror" 
                                      placeholder="Additional details about this transaction">{{ old('description') }}</textarea>
                            @error('description')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <!-- Submit Buttons -->
                        <div class="d-flex justify-content-end gap-2">
                            <a href="{{ route('patent.transactions.index', $patent->id) }}" class="btn btn-secondary">
                                Cancel
                            </a>
                            <button type="submit" class="btn btn-primary">
                                <i class="fas fa-save"></i> Create Transaction
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
    // Initialize Select2
    $(document).ready(function() {
        $('.select2').select2({
            placeholder: 'Select an option',
            allowClear: true,
            width: '100%'
        });
    });


    
    // Calculate USD amount
    function calculateUsdAmount() {
        const amount = parseFloat(document.getElementById('amount').value) || 0;
        const exchangeRate = parseFloat(document.getElementById('exchange_rate').value) || 1;
        const usdAmount = amount * exchangeRate;
        
        // You can display this somewhere if needed
        console.log('USD Amount:', usdAmount);
    }
    
    document.getElementById('amount').addEventListener('input', calculateUsdAmount);
    document.getElementById('exchange_rate').addEventListener('input', calculateUsdAmount);
    
    // Currency conversion functionality
    document.getElementById('fetch-rate-btn').addEventListener('click', function() {
        const currency = document.getElementById('currency').value;
        const rateInfo = document.getElementById('rate-info');
        const fetchBtn = this;
        
        if (currency === 'USD') {
            document.getElementById('exchange_rate').value = '1.0000';
            rateInfo.textContent = 'USD is the base currency (rate: 1.0000)';
            return;
        }
        
        // Show loading state
        fetchBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i>';
        fetchBtn.disabled = true;
        rateInfo.textContent = 'Fetching current rate...';
        
        fetch(`{{ route('patent.transactions.exchange-rate') }}?currency=${currency}`)
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    document.getElementById('exchange_rate').value = data.rate.toFixed(4);
                    rateInfo.textContent = `Current rate: 1 ${currency} = ${data.rate.toFixed(4)} USD`;
                    calculateUsdAmount();
                } else {
                    rateInfo.textContent = `Error: ${data.error}`;
                }
            })
            .catch(error => {
                rateInfo.textContent = 'Error fetching rate';
                console.error('Error:', error);
            })
            .finally(() => {
                fetchBtn.innerHTML = '<i class="fas fa-sync-alt"></i>';
                fetchBtn.disabled = false;
            });
    });
    
    // Auto-fetch rate when currency changes
    document.getElementById('currency').addEventListener('change', function() {
        if (this.value !== 'USD') {
            document.getElementById('fetch-rate-btn').click();
        } else {
            document.getElementById('exchange_rate').value = '1.0000';
            document.getElementById('rate-info').textContent = 'USD is the base currency (rate: 1.0000)';
        }
    });
</script>
@endpush