@extends('layouts.app')
@section('title', session('channels_survey_type') ? 'Edit ' . session('channels_survey_type') . ' Channel' : 'Edit Channel')

@section('content')
    <div class="fixed-action-bar">
        <div class="fw-semibold fixed-nav-title">{{ session('channels_survey_type') ? session('channels_survey_type') . ' Channel Details' : 'Channel Details' }}</div>
        <div>
            <i
                class="fa-regular fa-edit fixed-nav-btn fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"></i>
            <i id="submitForm"
                class="fa-regular fa-save fixed-nav-btn fixed-nav-btn-active rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"
                data-toggle="tooltip" data-placement="top" title="Save"></i>
            @can('Channel delete')
                <form id="delete-channel-form-{{ $channel->id }}" action="{{ route('channels.destroy', $channel->id) }}"
                    method="POST" style="display: none;">
                    @csrf
                    @method('DELETE')
                </form>
                <a href="javascript:void(0)" onclick="confirmDelete('{{ route('channels.destroy', $channel->id) }}', event)"
                    data-toggle="tooltip" title="Delete">
                    <i id="deleteSelectedChannels"
                        class="fa-regular fa-trash-can fixed-nav-btn fixed-nav-btn-active rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"></i>
                </a>
            @endcan
            <a href="{{ route('channels.index', session('channels_survey_type') ? ['survey_type' => session('channels_survey_type')] : []) }}" data-toggle="tooltip" title="Close">
                <i
                    class="fa-solid fa-xmark fixed-nav-btn fixed-nav-btn-active rounded-5 p-1 d-inline-flex align-items-center justify-content-center ms-1"></i>
            </a>
        </div>
    </div>
    <div class="row mt-3 mb-5">
        <div class="col-md-6">
            <div class="card">
                <h5 class="card-title">Edit Channel</h5>
                <div class="card-body">
                    <form id="editChannelForm" action="{{ route('channels.update', $channel->id) }}" method="POST">
                        @csrf
                        @method('PUT')
                        @if(session('channels_survey_type'))
                            <input type="hidden" name="survey_type" value="{{ session('channels_survey_type') }}">
                        @endif

                        <div class="form-group">
                            <label for="name">Channel Name&nbsp;<span class="text-danger">*</span></label>
                            <input type="text" class="form-control @error('name') is-invalid @enderror" id="name"
                                name="name" value="{{ old('name', $channel->name) }}" maxlength="50" required>
                            @error('name')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="form-group">
                            <label for="sub_channel_id">Parent Channel</label>
                            <select class="form-control select2" id="sub_channel_id" name="sub_channel_id">
                                <option value="">Select Parent Channel</option>
                                @foreach ($channels as $ch)
                                    @if ($ch->id !== $channel->id)
                                        <option value="{{ $ch->id }}" data-type="{{ $ch->type }}"
                                            {{ old('sub_channel_id', $channel->sub_channel_id) == $ch->id ? 'selected' : '' }}>
                                            {{ $ch->name }}
                                        </option>
                                    @endif
                                @endforeach
                            </select>

                            @error('sub_channel_id')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="form-group d-none">
                            <label for="type">Channel Type&nbsp;<span class="text-danger">*</span></label>
                            <select class="form-control @error('type') is-invalid @enderror" id="type" name="type"
                                required disabled>
                                <option value="">Select Channel Type</option>
                                <option value="1-2-1 Survey"
                                    {{ old('type', $channel->type) == '1-2-1 Survey' ? 'selected' : '' }}>1-2-1 Survey
                                </option>
                                <option value="Observation Survey"
                                    {{ old('type', $channel->type) == 'Observation Survey' ? 'selected' : '' }}>Observation
                                    Survey</option>
                            </select>
                            <input type="hidden" name="type" value="{{ old('type', $channel->type) }}">
                            @error('type')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
@endsection

@push('js')
    <script>
        $(document).ready(function() {
            $('.select2').select2({
                placeholder: "Select Parent Channel",
                allowClear: true,
                width: '100%'
            });

            const typeSelect = document.getElementById('type');
            const typeOptions = Array.from(typeSelect.options).map(opt => ({
                value: opt.value,
                text: opt.text
            }));

            function updateTypeOptions() {
                // Always show all type options and select the current channel's type
                typeSelect.innerHTML = '';
                typeOptions.forEach(t => {
                    const option = new Option(t.text, t.value, false, t.value ===
                        "{{ old('type', $channel->type) }}");
                    typeSelect.appendChild(option);
                });
            }

            updateTypeOptions();

            $('#sub_channel_id').on('change', updateTypeOptions);

            document.getElementById('submitForm').addEventListener('click', function() {
                document.getElementById('editChannelForm').submit();
            });
        });

        function confirmDelete(deleteUrl, event) {
            event.preventDefault();
            Swal.fire({
                title: 'Are you sure?',
                text: 'You are about to delete this channel!',
                icon: 'warning',
                showCancelButton: true,
                confirmButtonColor: '#3085d6',
                cancelButtonColor: '#d33',
                confirmButtonText: 'Yes, delete it!',
                cancelButtonText: 'Cancel'
            }).then((result) => {
                if (result.isConfirmed) {
                    var form = document.getElementById('delete-channel-form-' + deleteUrl.split('/').pop());
                    if (form) {
                        form.submit();
                    } else {
                        console.error("Form element not found");
                    }
                }
            });
        }
    </script>
@endpush