{{-- resources/views/opening-balances/edit.blade.php --}}
@extends('layouts.main')

@section('title', 'Opening Balance - Edit Opening Balance')

@section('content')
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.13/css/select2.min.css">

<style>
    .required-field::after {
        content: " *";
        color: red;
    }
    .preview-box {
        background: #f8f9fa;
        padding: 15px;
        border-radius: 5px;
        margin-top: 20px;
        border-left: 4px solid #007bff;
    }
    .warning-box {
        background: #fff3cd;
        border-left: 4px solid #ffc107;
        padding: 12px;
        margin-bottom: 20px;
        border-radius: 4px;
        color: #856404;
    }
    .info-box {
        background: #e7f3ff;
        border-left: 4px solid #2196f3;
        padding: 12px;
        margin-bottom: 20px;
        border-radius: 4px;
    }
</style>

<div class="main-content app-content">
    <div class="container-fluid">
        <div class="d-md-flex d-block align-items-center justify-content-between page-header-breadcrumb">
            <h1 class="page-title mb-0 text-primary">Edit Opening Balance</h1>
            <div class="ms-auto">
                <a href="{{ route('opening-balances.index') }}" class="btn btn-secondary">
                    <i class="fas fa-arrow-left"></i> Back to List
                </a>
            </div>
        </div>

        <div class="row">
            <div class="col-12">
                <div class="card">
                    <div class="card-header">
                        <h3 class="card-title">Edit Opening Balance Information</h3>
                    </div>
                    <div class="card-body">
                        <!-- <div class="info-box">
                            <strong><i class="fas fa-info-circle"></i> Transaction Information:</strong><br>
                            Created: {{ $openingBalance->created_at->format('d-m-Y H:i:s') }} | 
                            Last Updated: {{ $openingBalance->updated_at->format('d-m-Y H:i:s') }}
                        </div> -->

                        <!-- <div class="warning-box">
                            <strong><i class="fas fa-exclamation-triangle"></i> Warning:</strong><br>
                            Editing the opening balance will affect the partner's current balance and all subsequent transactions. This action cannot be undone easily.
                        </div> -->

                        <form id="openingBalanceForm" action="{{ route('opening-balances.update', $openingBalance->id) }}" method="POST">
                            @csrf
                            @method('patch')
                            <div class="row">
                                <div class="col-md-6 mb-3">
                                    <label for="partner_id" class="form-label required-field">Partner</label>
                                    <select class="form-select @error('partner_id') is-invalid @enderror" 
                                            id="partner_id" name="partner_id" required>
                                        <option value="">Select Partner</option>
                                        @foreach($partners as $partner)
                                            <option value="{{ $partner->id }}" 
                                                    {{ old('partner_id', $openingBalance->partner_id) == $partner->id ? 'selected' : '' }}>
                                                {{ $partner->full_name }}
                                            </option>
                                        @endforeach
                                    </select>
                                    @error('partner_id')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>

                                <div class="col-md-6 mb-3">
                                    <label for="opening_balance_date" class="form-label required-field">As Of Date</label>
                                    <input type="date" class="form-control @error('opening_balance_date') is-invalid @enderror" 
                                        id="opening_balance_date" name="opening_balance_date" 
                                        value="{{ old('opening_balance_date', $openingBalance->as_of_date ? date('Y-m-d', strtotime($openingBalance->as_of_date)) : '') }}" 
                                        required>
                                    @error('opening_balance_date')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                    <!-- <small class="text-muted">The date from which this opening balance is effective</small> -->
                                </div>

                                <div class="col-md-6 mb-3">
                                    <label for="opening_balance_amount" class="form-label required-field">Opening Balance Amount</label>
                                    <input type="number" step="0.01" class="form-control @error('opening_balance_amount') is-invalid @enderror" 
                                        id="opening_balance_amount" name="opening_balance_amount" 
                                        value="{{ old('opening_balance_amount', $openingBalance->amount) }}" 
                                        placeholder="0.00" required>
                                    @error('opening_balance_amount')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                    <!-- <small class="text-muted">Enter the opening balance amount (can be positive or negative)</small> -->
                                </div>

                                <div class="col-12 mb-3">
                                    <label for="notes" class="form-label">Notes</label>
                                    <textarea class="form-control @error('notes') is-invalid @enderror" 
                                            id="notes" name="notes" rows="3" 
                                            placeholder="Optional: Add any notes about this opening balance">{{ old('notes', $openingBalance->notes) }}</textarea>
                                    @error('notes')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>

                                <!-- Preview Section -->
                                <!-- <div class="col-12">
                                    <div class="preview-box">
                                        <strong>Opening Balance Summary:</strong><br>
                                        Partner: <span id="previewPartnerName">{{ $openingBalance->partner->full_name ?? 'N/A' }}</span><br>
                                        As Of Date: <span id="previewDate">{{ date('d-m-Y', strtotime($openingBalance->as_of_date)) }}</span><br>
                                        Opening Balance: <span id="previewAmount">{{ number_format($openingBalance->amount, 2) }}</span><br>
                                        Notes: <span id="previewNotes">{{ $openingBalance->notes ?? '-' }}</span>
                                    </div>
                                </div> -->
                            </div>

                            <div class="col-md-12 mt-4 text-end">
                                <button type="reset" class="btn btn-secondary me-2">Reset</button>
                                <button type="submit" class="btn btn-primary" id="submitBtn">Update Opening Balance</button>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.13/js/select2.min.js"></script>

<script>
    $(document).ready(function() {
        $('.select2').select2({
            theme: 'bootstrap-5',
            placeholder: 'Select Partner',
            allowClear: true
        });

        toastr.options = {
            "closeButton": true,
            "progressBar": true,
            "positionClass": "toast-top-right",
            "timeOut": "4000"
        }

        function updatePreview() {
            var partnerName = $('#partner_id option:selected').text();
            var amount = $('#opening_balance_amount').val();
            var date = $('#opening_balance_date').val();
            var notes = $('#notes').val();
            
            if (partnerName && partnerName !== 'Select Partner') {
                $('#previewPartnerName').text(partnerName);
                $('#previewDate').text(date ? new Date(date).toLocaleDateString('en-GB') : '-');
                $('#previewAmount').text(amount ? parseFloat(amount).toLocaleString('en-US', {
                    minimumFractionDigits: 2,
                    maximumFractionDigits: 2
                }) : '0.00');
                $('#previewNotes').text(notes || '-');
            }
        }

        $('#partner_id, #opening_balance_amount, #opening_balance_date, #notes').on('change keyup', function() {
            updatePreview();
        });

        $('#opening_balance_amount').on('change', function() {
            var amount = parseFloat($(this).val());
            if (isNaN(amount)) {
                toastr.error('Please enter a valid number');
                $(this).val('');
            }
        });

        $('#openingBalanceForm').on('submit', function(e) {
            var isValid = true;
            var errorMessages = [];

            if (!$('#partner_id').val()) {
                errorMessages.push('Please select a partner');
                isValid = false;
            }

            if (!$('#opening_balance_date').val()) {
                errorMessages.push('Please select an as of date');
                isValid = false;
            }

            var amount = parseFloat($('#opening_balance_amount').val());
            if (isNaN(amount)) {
                errorMessages.push('Please enter a valid opening balance amount');
                isValid = false;
            }

            if (!isValid) {
                e.preventDefault();
                errorMessages.forEach(function(message) {
                    toastr.error(message);
                });
                return false;
            }

            // if (!confirm('WARNING: Changing the opening balance will affect the partner\'s current balance and all subsequent transactions. Are you sure you want to continue?')) {
            //     e.preventDefault();
            //     return false;
            // }

            const btn = $('#submitBtn');
            btn.prop('disabled', true)
               .html('<span class="spinner-border spinner-border-sm me-2"></span>Updating opening balance...');
            toastr.info('Updating opening balance and recalculating...');
        });
    });
</script>
@endsection