@extends('layouts.app')

@section('title', 'Initiate Manufacturing Batch')

@section('content')
<div class="mb-4">
    <nav aria-label="breadcrumb">
        <ol class="breadcrumb mb-1 small">
            <li class="breadcrumb-item"><a href="{{ route('manufacturing.batches.index') }}" class="text-success text-decoration-none">Manufacturing</a></li>
            <li class="breadcrumb-item active" aria-current="page">Initiate Batch</li>
        </ol>
    </nav>
    <h3 class="fw-bold mb-1 text-dark">Initiate Manufacturing Batch</h3>
    <p class="text-muted mb-0 small">Schedule a production run, define manufacturing & expiry dates, and assign target output quantity.</p>
</div>

<div class="card shadow-sm border-0">
    <div class="card-body p-4">
        <form method="POST" action="{{ route('manufacturing.batches.store') }}">
            @csrf

            <h5 class="fw-bold text-dark mb-3"><i class="bi bi-tag me-2 text-success"></i>Batch Identification & Master Product</h5>
            <div class="row g-3 mb-4">
                <div class="col-md-6">
                    <label for="batch_number" class="form-label small fw-semibold">Batch Number <span class="text-danger">*</span></label>
                    <input type="text" class="form-control text-uppercase font-monospace @error('batch_number') is-invalid @enderror" id="batch_number" name="batch_number" value="{{ old('batch_number', $defaultBatchNumber) }}" placeholder="e.g. PA-BT-202611-001" required>
                    @error('batch_number')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                    <div class="form-text small">Must be unique across all manufacturing runs.</div>
                </div>

                <div class="col-md-6">
                    <label for="product_id" class="form-label small fw-semibold">Target Product Master <span class="text-danger">*</span></label>
                    <select class="form-select @error('product_id') is-invalid @enderror" id="product_id" name="product_id" required>
                        <option value="">-- Select Product Master --</option>
                        @foreach($products as $prod)
                            <option value="{{ $prod->id }}" {{ old('product_id') == $prod->id ? 'selected' : '' }}>
                                {{ $prod->name }} (SKU: {{ $prod->sku }} &bull; {{ $prod->size_or_weight ?? 'Std' }} {{ $prod->unit_of_measurement }})
                            </option>
                        @endforeach
                    </select>
                    @error('product_id')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>
            </div>

            <h5 class="fw-bold text-dark mb-3 border-top pt-3"><i class="bi bi-calendar-event me-2 text-success"></i>Production Scheduling & Validity</h5>
            <div class="row g-3 mb-4">
                <div class="col-md-3">
                    <label for="planned_quantity" class="form-label small fw-semibold">Planned Output Quantity <span class="text-danger">*</span></label>
                    <input type="number" min="1" class="form-control @error('planned_quantity') is-invalid @enderror" id="planned_quantity" name="planned_quantity" value="{{ old('planned_quantity', 1000) }}" placeholder="1000" required>
                    @error('planned_quantity')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-3">
                    <label for="manufacturing_date" class="form-label small fw-semibold">Manufacturing Date <span class="text-danger">*</span></label>
                    <input type="date" class="form-control @error('manufacturing_date') is-invalid @enderror" id="manufacturing_date" name="manufacturing_date" value="{{ old('manufacturing_date', date('Y-m-d')) }}" required>
                    @error('manufacturing_date')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-3">
                    <label for="expiry_date" class="form-label small fw-semibold">Product Expiry Date <span class="text-danger">*</span></label>
                    <input type="date" class="form-control @error('expiry_date') is-invalid @enderror" id="expiry_date" name="expiry_date" value="{{ old('expiry_date', date('Y-m-d', strtotime('+1 year'))) }}" required>
                    @error('expiry_date')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                    <div class="form-text small">Cannot be earlier than manufacturing date.</div>
                </div>

                <div class="col-md-3">
                    <label for="status" class="form-label small fw-semibold">Initial Batch Status <span class="text-danger">*</span></label>
                    <select class="form-select @error('status') is-invalid @enderror" id="status" name="status" required>
                        <option value="Draft" {{ old('status', 'Draft') === 'Draft' ? 'selected' : '' }}>Draft (Staged)</option>
                        <option value="In Production" {{ old('status') === 'In Production' ? 'selected' : '' }}>In Production (Active)</option>
                    </select>
                    @error('status')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>
            </div>

            <h5 class="fw-bold text-dark mb-3 border-top pt-3"><i class="bi bi-person-gear me-2 text-success"></i>Operations & Work Shift</h5>
            <div class="row g-3 mb-4">
                <div class="col-md-6">
                    <label for="production_operator" class="form-label small fw-semibold">Lead Production Operator / Shift Supervisor</label>
                    <input type="text" class="form-control @error('production_operator') is-invalid @enderror" id="production_operator" name="production_operator" value="{{ old('production_operator', Auth::user()->name) }}" placeholder="e.g. Ramesh Patel">
                    @error('production_operator')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-6">
                    <label for="production_start_at" class="form-label small fw-semibold">Scheduled / Actual Start Time</label>
                    <input type="datetime-local" class="form-control @error('production_start_at') is-invalid @enderror" id="production_start_at" name="production_start_at" value="{{ old('production_start_at', date('Y-m-d\TH:i')) }}">
                    @error('production_start_at')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-12">
                    <label for="notes" class="form-label small fw-semibold">Batch Production Notes & Formulation Recipe Details</label>
                    <textarea class="form-control @error('notes') is-invalid @enderror" id="notes" name="notes" rows="3" placeholder="Formulation tank #3, ambient temperature, specific gravity, quality check notes...">{{ old('notes') }}</textarea>
                    @error('notes')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>
            </div>

            <div class="border-top pt-3 d-flex justify-content-end gap-2">
                <a href="{{ route('manufacturing.batches.index') }}" class="btn btn-light border">Cancel</a>
                <button type="submit" class="btn btn-agri">
                    <i class="bi bi-check2-circle me-1"></i> Register Manufacturing Batch
                </button>
            </div>
        </form>
    </div>
</div>
@endsection