@extends('layouts.usermain')

@section('main-container')

<div class="container">

    <div class="card">
        <div class="card-header bg-primary text-white">
            <h5 class="mb-0">Add Existing RWH Structure</h5>
        </div>

        <div class="card-body">

            @if(session('success'))
                <div class="alert alert-success">
                    {{ session('success') }}
                </div>
            @endif

            
    <form action="{{ route('watershed.rwh-structures.store') }}" method="POST">
    @csrf
                

                {{-- Hidden Watershed ID --}}

    <input type="hidden" name="gi_id" value="{{ $watershed_id }}">


                <div class="row">

                    {{-- Village --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Village <span class="text-danger">*</span></label>
                        <select name="village_id" class="form-control" required>
                            <option value="">Select Village</option>
                            @foreach($villages as $village)
                                <option value="{{ $village->id }}">
                                    {{ $village->name }}
                                </option>
                            @endforeach
                        </select>
                    </div>

                    {{-- Structure Type --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Structure Type</label>
                        <select name="structure_type_id" class="form-control">
                            <option value="">Select Type</option>
                            @foreach($structureTypes as $type)
                                <option value="{{ $type->id }}">
                                    {{ $type->name }}
                                </option>
                            @endforeach
                        </select>
                    </div>

                    {{-- Nearest Location --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Nearest Location / Plot No</label>
                        <input type="text" name="nearest_location" 
                               class="form-control">
                    </div>

                    {{-- Length --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Length (m)</label>
                        <input type="number" step="0.01" name="length_m" 
                               class="form-control dimension">
                    </div>

                    {{-- Width --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Width (m)</label>
                        <input type="number" step="0.01" name="width_m" 
                               class="form-control dimension">
                    </div>

                    {{-- Depth --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Depth / Height (m)</label>
                        <input type="number" step="0.01" name="depth_m" 
                               class="form-control dimension">
                    </div>

                    {{-- Storage Potential --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Storage Potential (m³)</label>
                        <input type="number" step="0.01" 
                               name="storage_potential_m3"
                               id="storage_potential"
                               class="form-control" readonly>
                    </div>

                    {{-- Functionality Status --}}
                    <div class="col-md-4 mb-3">
                        <label class="form-label">Functionality Status</label>
                        <select name="functionality_status" class="form-control">
                            <option value="Functional">Functional</option>
                            <option value="Defunct">Defunct</option>
                        </select>
                    </div>

                </div>

                <div class="mt-3">
                    <button type="submit" class="btn btn-success">
                        Save
                    </button>
                    <a href="" 
                       class="btn btn-secondary">
                        Back
                    </a>
                </div>

            </form>
        </div>
    </div>
</div>


<script>
    function calculateStorage() {
        let length = parseFloat(document.querySelector('[name="length_m"]').value) || 0;
        let width  = parseFloat(document.querySelector('[name="width_m"]').value) || 0;
        let depth  = parseFloat(document.querySelector('[name="depth_m"]').value) || 0;

        let storage = length * width * depth;

        document.getElementById('storage_potential').value = storage.toFixed(2);
    }

    document.querySelectorAll('.dimension').forEach(input => {
        input.addEventListener('input', calculateStorage);
    });
</script>
@endsection