@extends('layouts.app')
@section('title', 'Create Channels')

@section('content')
    <div class="fixed-action-bar">
        <div class="fw-semibold fixed-nav-title">{{ ($surveyType ?? request('survey_type')) ? 'Create ' . ($surveyType ?? request('survey_type')) . ' Channels' : 'Create Channels' }}</div>
        <div>
            <i class="fa-regular fa-plus fixed-nav-btn p-1 d-inline-flex align-items-center justify-content-center"
                data-toggle="tooltip" data-placement="top" title="Add"></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>
            <i class="fa-regular fa-edit fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"
                data-toggle="tooltip" data-placement="top" title="Edit"></i>
            <i class="fa-regular fa-trash-can fixed-nav-btn rounded-5 p-1 d-inline-flex align-items-center justify-content-center mx-1"
                data-toggle="tooltip" data-placement="top" title="Delete"></i>
            <a href="{{ route('channels.index', ($surveyType ?? request('survey_type')) ? ['survey_type' => $surveyType ?? request('survey_type')] : []) }}">
                <i class="fa-solid fa-xmark fixed-nav-btn fixed-nav-btn-active p-1 d-inline-flex align-items-center justify-content-center ms-1"
                    data-toggle="tooltip" data-placement="top" title="Cancel"></i>
            </a>
        </div>
    </div>

    <div class="row mt-3 mb-5">
        <div class="col-md-6">
            <div class="card">
                <h5 class="card-title">Create Channel</h5>
                <div class="card-body">
                    <form id="createChannelsForm" action="{{ route('channels.store') }}" method="POST">
                        @csrf
                        @if($surveyType ?? request('survey_type'))
                            <input type="hidden" name="survey_type" value="{{ $surveyType ?? request('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"
                                placeholder="Enter Channel Name" name="name" value="{{ old('name') }}" maxlength="50">
                            @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 $channel)
                                    <option value="{{ $channel->id }}" data-type="{{ $channel->type }}"
                                        {{ old('sub_channel_id') == $channel->id ? 'selected' : '' }}>
                                        {{ $channel->name }}
                                    </option>
                                @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" disabled>
                                <option value="">Select Channel Type</option>
                                <option value="1-2-1 Survey" {{ old('type', $surveyType ?? request('survey_type')) == '1-2-1 Survey' ? 'selected' : '' }}>1-2-1
                                    Survey</option>
                                <option value="Observation Survey"
                                    {{ old('type', $surveyType ?? request('survey_type')) == 'Observation Survey' ? 'selected' : '' }}>Observation Survey</option>
                            </select>
                            <input type="hidden" name="type" value="{{ old('type', $surveyType ?? request('survey_type')) }}">
                            @error('type')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                    </form>
                </div>
            </div>
        </div>
    </div>
@endsection

@push('js')
    <script>
        document.getElementById('submitForm').addEventListener('click', function() {
            document.getElementById('createChannelsForm').submit();
        });

        $(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
            }));

            $('#sub_channel_id').on('change', function() {
                const selectedOption = this.options[this.selectedIndex];
                const parentType = selectedOption.getAttribute('data-type');
                const currentSurveyType = "{{ $surveyType ?? request('survey_type') }}";

                typeSelect.innerHTML = '';

                // If we have a survey type context (coming from navigation), respect that
                if (currentSurveyType) {
                    typeOptions.forEach(t => {
                        const option = new Option(t.text, t.value, false, t.value === currentSurveyType);
                        typeSelect.appendChild(option);
                    });
                } else if (parentType) {
                    // If no survey type context but parent is selected, match parent type
                    const matched = typeOptions.find(t => t.value === parentType);
                    if (matched) {
                        const option = new Option(matched.text, matched.value, true, true);
                        typeSelect.appendChild(option);
                    }
                } else {
                    // No context, show all options
                    typeOptions.forEach(t => {
                        const option = new Option(t.text, t.value, false, t.value === "{{ old('type') }}");
                        typeSelect.appendChild(option);
                    });
                }
            });

            // Initialize the type select based on survey type context
            const currentSurveyType = "{{ $surveyType ?? request('survey_type') }}";
            if (currentSurveyType) {
                typeSelect.innerHTML = '';
                typeOptions.forEach(t => {
                    const option = new Option(t.text, t.value, false, t.value === currentSurveyType);
                    typeSelect.appendChild(option);
                });
            } else {
                $('#sub_channel_id').trigger('change');
            }
        });
    </script>
@endpush