@extends('layouts.layout-horizontal')

@section('title', 'View Customer')

@section('css')
@endsection

@section('content')
    <div class="row g-3">
        <div class="col-lg-6">
            <div class="card">
                <div class="card-header d-flex align-items-center justify-content-between">
                    <h5 class="mb-0">{{ $customer->name }}</h5>
                    <div>
                        <a href="{{ route('customers.edit', $customer) }}" class="btn btn-outline-primary btn-sm">Edit</a>
                        <a href="{{ route('customers.index') }}" class="btn btn-secondary btn-sm">Back</a>
                    </div>
                </div>
                <div class="card-body">
                    <div class="detail-meta">
                    <dl class="row mb-0">
                        <dt class="col-sm-4">Mobile</dt>
                        <dd class="col-sm-8">{{ $customer->mobile }}</dd>
                        <dt class="col-sm-4">GST</dt>
                        <dd class="col-sm-8">{{ $customer->gst_number ?: '-' }}</dd>
                        <dt class="col-sm-4">Billing Address</dt>
                        <dd class="col-sm-8">{{ $customer->billing_address ?: '-' }}</dd>
                        <dt class="col-sm-4">State / Pincode</dt>
                        <dd class="col-sm-8">{{ $customer->state }} / {{ $customer->pincode }}</dd>
                        <dt class="col-sm-4">Transportation</dt>
                        <dd class="col-sm-8">{{ $customer->transportation_name ?: '-' }}</dd>
                        <dt class="col-sm-4">VPP (COD)</dt>
                        <dd class="col-sm-8">{{ $customer->vpp_cod ? 'Yes' : 'No' }}</dd>
                        <dt class="col-sm-4">Party / Mode</dt>
                        <dd class="col-sm-8">{{ ucfirst($customer->party_type) }} / {{ ucfirst($customer->mode_type) }}
                        </dd>
                        <dt class="col-sm-4">Payment</dt>
                        <dd class="col-sm-8">
                            {{ ucfirst($customer->payment_type) }}
                            @if ($customer->payment_type === 'cash' && $customer->cash_option)
                                ({{ strtoupper($customer->cash_option) }})
                            @endif
                        </dd>
                    </dl>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-lg-6">
            <div class="card h-100">
                <div class="card-header d-flex align-items-center justify-content-between">
                    <h5 class="mb-0">Shipping Addresses</h5>
                    <span class="badge bg-secondary">{{ $customer->shippingAddresses->count() }}</span>
                </div>
                <div class="card-body">
                    @forelse($customer->shippingAddresses as $addr)
                        <div class="mb-2">
                            <pre class="mb-0">{{ $addr->address }}</pre>
                        </div>
                        @if (!$loop->last)
                            <hr>
                        @endif
                    @empty
                        <em>No shipping addresses</em>
                    @endforelse
                </div>
            </div>
        </div>
    </div>

    <div class="card mt-4">
        <div class="card-header d-flex align-items-center justify-content-between">
            <h5 class="mb-0">Opening Balances</h5>
        </div>
        <div class="card-body">

            @php
                $cashModeActive = app(\App\Support\CashMode::class)->active();
                $visibleCompanies = $cashModeActive ? $companies : $companies->where('mode', '!=', 'cash');
            @endphp

            {{-- Company Tabs --}}
            <ul class="nav nav-tabs" role="tablist">
                @foreach($visibleCompanies as $company)
                    <li class="nav-item" role="presentation">
                        <button class="nav-link {{ $loop->first ? 'active' : '' }}"
                            data-bs-toggle="tab" data-bs-target="#ob-company-{{ $company->id }}"
                            type="button" role="tab">
                            {{ $company->name }}
                            @php
                                $companyBalances = $customer->openingBalances->where('company_id', $company->id);
                            @endphp
                            @if($companyBalances->count())
                                <span class="badge bg-primary ms-1">{{ $companyBalances->count() }}</span>
                            @endif
                        </button>
                    </li>
                @endforeach
            </ul>

            {{-- Tab Content --}}
            <div class="tab-content mt-3">
                @foreach($visibleCompanies as $company)
                    @php
                        $companyBalances = $customer->openingBalances->where('company_id', $company->id);
                    @endphp
                    <div class="tab-pane fade {{ $loop->first ? 'show active' : '' }}"
                         id="ob-company-{{ $company->id }}" role="tabpanel">

                        {{-- Add Form --}}
                        <form class="row gy-2 gx-2 align-items-end" method="post"
                            action="{{ route('customers.opening-balances.store', $customer) }}">
                            @csrf
                            <input type="hidden" name="company_id" value="{{ $company->id }}">
                            <div class="col-md-2">
                                <label class="form-label">Amount</label>
                                <input name="amount" type="number" step="0.01" min="0" class="form-control" required>
                            </div>
                            <div class="col-md-2">
                                <label class="form-label">Direction</label>
                                <select name="direction" class="form-select" required>
                                    <option value="receive">Receive</option>
                                    <option value="payable">Payable</option>
                                </select>
                            </div>
                            <div class="col-md-3">
                                <label class="form-label">As of date</label>
                                <input name="as_of_date" type="date" class="form-control ob-date-input"
                                       data-company="{{ $company->id }}" required>
                            </div>
                            <div class="col-md-3">
                                <label class="form-label">Fiscal year</label>
                                <input name="fiscal_year" class="form-control ob-fiscal-year"
                                       id="ob_fiscal_{{ $company->id }}" placeholder="Auto" readonly>
                            </div>
                            <div class="col-md-2">
                                <button class="btn btn-primary w-100">Add</button>
                            </div>
                        </form>

                        {{-- Existing Balances Table --}}
                        <div class="table-responsive mt-3">
                            <table class="table table-hover table-sm align-middle">
                                <thead class="table-light">
                                    <tr>
                                        <th>Date</th>
                                        <th>Fiscal Year</th>
                                        <th>Direction</th>
                                        <th class="text-end">Amount</th>
                                        <th></th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @forelse($companyBalances as $ob)
                                        <tr>
                                            <td>{{ \Illuminate\Support\Carbon::parse($ob->as_of_date)->format('d M Y') }}</td>
                                            <td>{{ $ob->fiscal_year ?: '-' }}</td>
                                            <td class="text-capitalize">{{ $ob->direction }}</td>
                                            <td class="text-end">{{ indian_number($ob->amount, 2) }}</td>
                                            <td class="text-end">
                                                <form method="post"
                                                    action="{{ route('customers.opening-balances.destroy', [$customer, $ob]) }}"
                                                    onsubmit="return confirm('Delete this entry?')">
                                                    @csrf @method('DELETE')
                                                    <button class="btn btn-sm btn-outline-danger">Delete</button>
                                                </form>
                                            </td>
                                        </tr>
                                    @empty
                                        <tr>
                                            <td colspan="5" class="text-center"><em>No opening balances for {{ $company->name }}.</em></td>
                                        </tr>
                                    @endforelse
                                </tbody>
                            </table>
                        </div>
                    </div>
                @endforeach
            </div>

        </div>
    </div>

    {{-- SEZ LUT Section (only for SEZ customers) --}}
    @if($customer->is_sez)
    <div class="card mt-4">
        <div class="card-header d-flex align-items-center justify-content-between">
            <h5 class="mb-0"><i class="ph-duotone ph-certificate me-1"></i> SEZ LUT Numbers</h5>
            <span class="badge bg-danger">SEZ Customer</span>
        </div>
        <div class="card-body">
            {{-- Add LUT Form --}}
            <form method="POST" action="{{ route('customers.sez-luts.store', $customer) }}" class="row g-3 align-items-end mb-4">
                @csrf
                <div class="col-md-4">
                    <label class="form-label">LUT Number <span class="text-danger">*</span></label>
                    <input type="text" name="lut_number" class="form-control @error('lut_number') is-invalid @enderror"
                           required placeholder="Enter LUT Number">
                    @error('lut_number')<div class="invalid-feedback">{{ $message }}</div>@enderror
                </div>
                <div class="col-md-3">
                    <label class="form-label">Valid From <span class="text-danger">*</span></label>
                    <input type="date" name="valid_from" class="form-control @error('valid_from') is-invalid @enderror" required>
                    @error('valid_from')<div class="invalid-feedback">{{ $message }}</div>@enderror
                </div>
                <div class="col-md-3">
                    <label class="form-label">Valid To <span class="text-danger">*</span></label>
                    <input type="date" name="valid_to" class="form-control @error('valid_to') is-invalid @enderror" required>
                    @error('valid_to')<div class="invalid-feedback">{{ $message }}</div>@enderror
                </div>
                <div class="col-md-2">
                    <button class="btn btn-success w-100">Add LUT</button>
                </div>
            </form>

            {{-- LUT Table --}}
            <div class="table-responsive">
                <table class="table table-hover table-sm align-middle mb-0">
                    <thead>
                        <tr>
                            <th>#</th>
                            <th>LUT Number</th>
                            <th>Valid From</th>
                            <th>Valid To</th>
                            <th class="text-center">Status</th>
                            <th class="text-center">Action</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($customer->sezLuts as $lut)
                        <tr>
                            <td>{{ $loop->iteration }}</td>
                            <td><strong>{{ $lut->lut_number }}</strong></td>
                            <td>{{ $lut->valid_from->format('d-M-Y') }}</td>
                            <td>{{ $lut->valid_to->format('d-M-Y') }}</td>
                            <td class="text-center">
                                @if(now()->between($lut->valid_from, $lut->valid_to))
                                    <span class="badge bg-success">Active</span>
                                @elseif(now()->lt($lut->valid_from))
                                    <span class="badge bg-warning">Upcoming</span>
                                @else
                                    <span class="badge bg-secondary">Expired</span>
                                @endif
                            </td>
                            <td class="text-center">
                                <form method="POST" action="{{ route('sez-luts.destroy', $lut) }}"
                                      onsubmit="return confirm('Delete this LUT?')" class="d-inline">
                                    @csrf @method('DELETE')
                                    <button class="btn btn-sm btn-outline-danger">Delete</button>
                                </form>
                            </td>
                        </tr>
                        @empty
                        <tr>
                            <td colspan="6" class="text-center text-muted"><em>No LUTs added yet.</em></td>
                        </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>
    @endif

@endsection

@push('scripts')
<script>
    // Auto-calculate fiscal year from as_of_date (Indian FY: April-March)
    function calculateFiscalYear(dateStr) {
        if (!dateStr) return '';
        const date = new Date(dateStr);
        const month = date.getMonth() + 1; // 1-12
        const year = date.getFullYear();
        // Indian FY: April (4) to March (3)
        if (month >= 4) {
            return year + '-' + String(year + 1).slice(-2);
        } else {
            return (year - 1) + '-' + String(year).slice(-2);
        }
    }

    // Attach event listeners to all opening balance date inputs
    document.querySelectorAll('.ob-date-input').forEach(function(input) {
        const companyId = input.dataset.company;
        const fiscalYearInput = document.getElementById('ob_fiscal_' + companyId);

        input.addEventListener('change', function() {
            if (fiscalYearInput) {
                fiscalYearInput.value = calculateFiscalYear(this.value);
            }
        });
    });
</script>
@endpush