@extends('layouts.app')

@section('title', 'Edit Batch - ' . $batch->batch_number)

@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"><a href="{{ route('manufacturing.batches.show', $batch) }}" class="text-success text-decoration-none">{{ $batch->batch_number }}</a></li>
            <li class="breadcrumb-item active" aria-current="page">Edit Batch</li>
        </ol>
    </nav>
    <h3 class="fw-bold mb-1 text-dark">Edit Batch: {{ $batch->batch_number }}</h3>
    <p class="text-muted mb-0 small">Update production targets, schedule, and operator assignments.</p>
</div>

@if($batch->isClosed())
    <div class="alert alert-danger">
        <i class="bi bi-lock-fill me-2"></i> <strong>This batch is Closed.</strong> Closed batches cannot be edited or modified directly.
    </div>
@else
    <div class="card shadow-sm border-0">
        <div class="card-body p-4">
            <form method="POST" action="{{ route('manufacturing.batches.update', $batch) }}">
                @csrf
                @method('PUT')

                <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', $batch->batch_number) }}" required>
                        @error('batch_number')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </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>
                            @foreach($products as $prod)
                                <option value="{{ $prod->id }}" {{ old('product_id', $batch->product_id) == $prod->id ? 'selected' : '' }}>
                                    {{ $prod->name }} (SKU: {{ $prod->sku }})
                                </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', $batch->planned_quantity) }}" required>
                        @error('planned_quantity')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <div class="col-md-3">
                        <label for="actual_quantity" class="form-label small fw-semibold">Actual Output Quantity</label>
                        <input type="number" min="0" class="form-control @error('actual_quantity') is-invalid @enderror" id="actual_quantity" name="actual_quantity" value="{{ old('actual_quantity', $batch->actual_quantity) }}">
                        @error('actual_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', $batch->manufacturing_date->format('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', $batch->expiry_date->format('Y-m-d')) }}" required>
                        @error('expiry_date')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <div class="col-md-4">
                        <label for="status" class="form-label small fw-semibold">Batch Status <span class="text-danger">*</span></label>
                        <select class="form-select @error('status') is-invalid @enderror" id="status" name="status" required>
                            @foreach($statuses as $st)
                                <option value="{{ $st }}" {{ old('status', $batch->status) === $st ? 'selected' : '' }}>
                                    {{ $st }}
                                </option>
                            @endforeach
                        </select>
                        @error('status')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <div class="col-md-4">
                        <label for="production_operator" class="form-label small fw-semibold">Lead Operator</label>
                        <input type="text" class="form-control @error('production_operator') is-invalid @enderror" id="production_operator" name="production_operator" value="{{ old('production_operator', $batch->production_operator) }}">
                        @error('production_operator')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <div class="col-md-4">
                        <label for="production_start_at" class="form-label small fw-semibold">Start Timestamp</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', $batch->production_start_at ? $batch->production_start_at->format('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">Production & Modification Notes</label>
                        <textarea class="form-control @error('notes') is-invalid @enderror" id="notes" name="notes" rows="3">{{ old('notes', $batch->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.show', $batch) }}" class="btn btn-light border">Cancel</a>
                    <button type="submit" class="btn btn-agri">
                        <i class="bi bi-check2-circle me-1"></i> Update Batch Record
                    </button>
                </div>
            </form>
        </div>
    </div>
@endif
@endsection