@extends('layouts.app')

@section('title', 'GST Summary Report')
@section('page_title', 'GST Statutory Filing Summary (GSTR-1 & 3B)')

@section('content')
<div class="container-fluid p-0">

    <!-- Date Range Filter -->
    <div class="card border-0 shadow-sm mb-4">
        <div class="card-body">
            <form action="{{ route('reports.gst-summary') }}" method="GET" class="d-flex flex-wrap align-items-center gap-3">
                <div>
                    <label class="form-label small fw-semibold text-muted mb-1">From Date</label>
                    <input type="date" name="start_date" class="form-control form-control-sm" value="{{ $startDate->format('Y-m-d') }}">
                </div>
                <div>
                    <label class="form-label small fw-semibold text-muted mb-1">To Date</label>
                    <input type="date" name="end_date" class="form-control form-control-sm" value="{{ $endDate->format('Y-m-d') }}">
                </div>
                <div class="mt-4">
                    <button type="submit" class="btn btn-primary btn-sm px-3">
                        <i class="bi bi-funnel me-1"></i> Apply Filter
                    </button>
                    <a href="{{ route('reports.gst-summary') }}" class="btn btn-outline-secondary btn-sm">Current Month</a>
                </div>
            </form>
        </div>
    </div>

    <!-- Executive Tax Position Cards -->
    <div class="row g-3 mb-4">
        <div class="col-md-4">
            <div class="card border-0 shadow-sm h-100 border-start border-danger border-4">
                <div class="card-body">
                    <span class="text-muted small text-uppercase fw-semibold">Total Output Tax (Sales Liability)</span>
                    <h3 class="fw-bold mb-1 text-danger">₹{{ number_format($outputSummary['total_tax'], 2) }}</h3>
                    <div class="small text-muted mt-2">
                        Taxable Sales: <strong>₹{{ number_format($outputSummary['total_taxable'], 2) }}</strong>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-md-4">
            <div class="card border-0 shadow-sm h-100 border-start border-success border-4">
                <div class="card-body">
                    <span class="text-muted small text-uppercase fw-semibold">Total Input Tax Credit (ITC from Purchases)</span>
                    <h3 class="fw-bold mb-1 text-success">₹{{ number_format($inputSummary['total_tax'], 2) }}</h3>
                    <div class="small text-muted mt-2">
                        Taxable Purchases: <strong>₹{{ number_format($inputSummary['total_taxable'], 2) }}</strong>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-md-4">
            <div class="card border-0 shadow-sm h-100 border-start border-primary border-4">
                <div class="card-body">
                    <span class="text-muted small text-uppercase fw-semibold">Estimated Net GST Payable</span>
                    <h3 class="fw-bold mb-1 text-primary">₹{{ number_format($netTaxPayable['total'], 2) }}</h3>
                    <div class="small text-muted mt-2">
                        Net CGST: ₹{{ number_format($netTaxPayable['cgst'], 2) }} | SGST: ₹{{ number_format($netTaxPayable['sgst'], 2) }} | IGST: ₹{{ number_format($netTaxPayable['igst'], 2) }}
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- GSTR Tax Head Comparison Table -->
    <div class="card border-0 shadow-sm mb-4">
        <div class="card-header bg-white py-3">
            <h6 class="mb-0 fw-bold"><i class="bi bi-table text-primary me-2"></i> GST Head-wise Tax Position</h6>
        </div>
        <div class="card-body p-0">
            <div class="table-responsive">
                <table class="table table-bordered align-middle mb-0 text-center">
                    <thead class="table-light">
                        <tr>
                            <th class="text-start">Tax Component</th>
                            <th>Output Liability (Sales)</th>
                            <th>Input Tax Credit (Purchases)</th>
                            <th>Net Tax Payable to Govt</th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr>
                            <td class="text-start fw-bold">Central Tax (CGST)</td>
                            <td class="text-danger fw-semibold">₹{{ number_format($outputSummary['total_cgst'], 2) }}</td>
                            <td class="text-success fw-semibold">₹{{ number_format($inputSummary['total_cgst'], 2) }}</td>
                            <td class="text-primary fw-bold">₹{{ number_format($netTaxPayable['cgst'], 2) }}</td>
                        </tr>
                        <tr>
                            <td class="text-start fw-bold">State Tax (SGST)</td>
                            <td class="text-danger fw-semibold">₹{{ number_format($outputSummary['total_sgst'], 2) }}</td>
                            <td class="text-success fw-semibold">₹{{ number_format($inputSummary['total_sgst'], 2) }}</td>
                            <td class="text-primary fw-bold">₹{{ number_format($netTaxPayable['sgst'], 2) }}</td>
                        </tr>
                        <tr>
                            <td class="text-start fw-bold">Integrated Tax (IGST)</td>
                            <td class="text-danger fw-semibold">₹{{ number_format($outputSummary['total_igst'], 2) }}</td>
                            <td class="text-success fw-semibold">₹{{ number_format($inputSummary['total_igst'], 2) }}</td>
                            <td class="text-primary fw-bold">₹{{ number_format($netTaxPayable['igst'], 2) }}</td>
                        </tr>
                        <tr class="table-primary fw-bold fs-6">
                            <td class="text-start">Total Tax Value</td>
                            <td class="text-danger">₹{{ number_format($outputSummary['total_tax'], 2) }}</td>
                            <td class="text-success">₹{{ number_format($inputSummary['total_tax'], 2) }}</td>
                            <td class="text-primary">₹{{ number_format($netTaxPayable['total'], 2) }}</td>
                        </tr>
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <!-- B2B vs B2C Sales Classification (GSTR-1 Requirement) -->
    <div class="row g-3">
        <div class="col-md-6">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-header bg-white py-3">
                    <h6 class="mb-0 fw-bold"><i class="bi bi-briefcase text-primary me-2"></i> B2B Registered Sales (With GSTIN)</h6>
                </div>
                <div class="card-body">
                    <div class="d-flex justify-content-between mb-2">
                        <span class="text-muted">Invoices Count:</span>
                        <strong>{{ $outputSummary['b2b_count'] }}</strong>
                    </div>
                    <div class="d-flex justify-content-between mb-2">
                        <span class="text-muted">Total Taxable Value:</span>
                        <strong>₹{{ number_format($outputSummary['b2b_taxable'], 2) }}</strong>
                    </div>
                    <div class="d-flex justify-content-between">
                        <span class="text-muted">Total Tax Collected:</span>
                        <strong class="text-primary">₹{{ number_format($outputSummary['b2b_tax'], 2) }}</strong>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-md-6">
            <div class="card border-0 shadow-sm h-100">
                <div class="card-header bg-white py-3">
                    <h6 class="mb-0 fw-bold"><i class="bi bi-person text-secondary me-2"></i> B2C Consumer Sales (Unregistered)</h6>
                </div>
                <div class="card-body">
                    <div class="d-flex justify-content-between mb-2">
                        <span class="text-muted">Invoices Count:</span>
                        <strong>{{ $outputSummary['b2c_count'] }}</strong>
                    </div>
                    <div class="d-flex justify-content-between mb-2">
                        <span class="text-muted">Total Taxable Value:</span>
                        <strong>₹{{ number_format($outputSummary['b2c_taxable'], 2) }}</strong>
                    </div>
                    <div class="d-flex justify-content-between">
                        <span class="text-muted">Total Tax Collected:</span>
                        <strong class="text-primary">₹{{ number_format($outputSummary['b2c_tax'], 2) }}</strong>
                    </div>
                </div>
            </div>
        </div>
    </div>

</div>
@endsection