@extends('layout.template')
@section('title', 'ICAT | Reporte Inscritos por Curso')
@section('content')
    <div class="content-body">
        <div class="container-fluid">
            <div class="row page-titles mx-0 mt-4 shadow-sm" style="border-radius: 12px; border: none; background: white;">
                <div class="col-sm-12 p-md-0 card-body">
                    <h3 class="mb-2">Reporte de Inscritos por Curso</h3>
                    <form id="filtroForm">
                        @csrf
                        <div class="d-flex flex-wrap gap-4 mb-2 mt-3 justify-content-between">
                            <div class="d-flex flex-wrap gap-4">

                                <div class="filter-dropdown-container">
                                    <label class="text-dark mb-1 d-block"
                                        style="font-size: 0.9rem; margin-bottom: 2px !important;">Tipo de curso:</label>
                                    <button type="button" id="btnSelectedTypes"
                                        class="btn btn-dark d-flex align-items-center justify-content-between shadow-sm filter-toggle-btn"
                                        style="min-width: 200px; border-radius: 8px; padding: 0.6rem 1rem; border: 1px solid #dddddd; background: #eeeeee;">
                                        <span id="selectedTypesText" class="text-dark">Tipo de curso</span>
                                        <i class=" ri-list-check ms-2 text-dark"></i>
                                    </button>

                                    <div class="filter-dropdown-menu shadow-lg" id="dropdownTipos">
                                        <div class="filter-dropdown-header">
                                            <h5 class="text-dark mb-0">Seleccionar tipo de curso</h5>
                                        </div>
                                        <div class="filter-dropdown-body">
                                            <div class="row compact-row">
                                                @foreach($tiposCursos as $tipo)
                                                    <div class="col-md-6 col-12">
                                                        <label class="unit-checkbox-label">
                                                            <input type="radio" name="tipos" class="type-radio me-2"
                                                                value="{{ $tipo->id }}" data-name="{{ $tipo->nombre }}">
                                                            <span>{{ $tipo->nombre }}</span>
                                                        </label>
                                                    </div>
                                                @endforeach
                                            </div>
                                        </div>
                                    </div>
                                    <div id="errorTipo" class="text-danger filter-error-msg">
                                        <i class=" ri-error-warning-line me-1"></i>Seleccionar tipo
                                    </div>
                                </div>

                                <div class="filter-dropdown-container">
                                    <label class="text-dark mb-1 d-block"
                                        style="font-size: 0.9rem; margin-bottom: 2px !important;">Seleccionar meses:</label>
                                    <button type="button" id="btnSelectedMonths"
                                        class="btn btn-dark d-flex align-items-center justify-content-between shadow-sm filter-toggle-btn"
                                        style="min-width: 200px; border-radius: 8px; padding: 0.6rem 1rem; border: 1px solid #dddddd; background: #eeeeee;">
                                        <span id="selectedMonthsText" class="text-dark">Meses</span>
                                        <i class=" ri-calendar-line ms-2 text-dark"></i>
                                    </button>

                                    <div class="filter-dropdown-menu shadow-lg" id="dropdownMeses">
                                        <div class="filter-dropdown-header">
                                            <h5 class="text-dark mb-0">Seleccionar Meses</h5>
                                            <div class="d-flex justify-content-end ">
                                                <button type="button" class="btn btn-xxs btn-outline-light"
                                                    style="background: #fefefe;" id="btnSelectAllMonths"
                                                    style="font-size: 0.7rem;">Seleccionar Todos</button>
                                            </div>
                                        </div>
                                        <div class="filter-dropdown-body">
                                            <div class="row compact-row">
                                                @foreach($meses as $mes)
                                                    <div class="col-md-6 col-12">
                                                        <label class="unit-checkbox-label">
                                                            <input type="checkbox" name="meses[]" class="month-check me-2"
                                                                value="{{ $mes->id }}" data-name="{{ $mes->nombre }}">
                                                            <span>{{ $mes->nombre }}</span>
                                                        </label>
                                                    </div>
                                                @endforeach
                                            </div>
                                        </div>
                                    </div>
                                    <div id="errorMes" class="text-danger filter-error-msg">
                                        <i class=" ri-error-warning-line me-1"></i>Seleccionar mes
                                    </div>
                                </div>

                                <div class="filter-dropdown-container">
                                    <label class="text-dark mb-1 d-block"
                                        style="font-size: 0.9rem; margin-bottom: 2px !important;">Seleccionar año:</label>
                                    <button type="button" id="btnSelectedYear"
                                        class="btn btn-dark d-flex align-items-center justify-content-between shadow-sm filter-toggle-btn"
                                        style="min-width: 150px; border-radius: 8px; padding: 0.6rem 1rem; border: 1px solid #dddddd; background: #eeeeee;">
                                        <span id="selectedYearText" class="text-dark">{{ date('Y') }}</span>
                                        <i class=" ri-calendar-check-line ms-2 text-dark"></i>
                                    </button>

                                    <div class="filter-dropdown-menu shadow-lg" id="dropdownYear" style="min-width: 150px;">
                                        <div class="filter-dropdown-header">
                                            <h5 class="text-dark mb-0">Año</h5>
                                        </div>
                                        <div class="filter-dropdown-body">
                                            <div class="row compact-row">
                                                @foreach($anios as $anio)
                                                    <div class="col-12">
                                                        <label class="unit-checkbox-label">
                                                            <input type="radio" name="anio" class="year-radio me-2"
                                                                value="{{ $anio }}" {{ $anio == date('Y') ? 'checked' : '' }}>
                                                            <span>{{ $anio }}</span>
                                                        </label>
                                                    </div>
                                                @endforeach
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>

                            <div class="filter-dropdown-container">
                                <label class="text-dark mb-1 d-block"
                                    style="font-size: 0.9rem; margin-bottom: 2px !important;">&nbsp;</label>
                                <button type="submit" class="btn btn-primary shadow-sm"
                                    style="border-radius: 8px; padding: 0.6rem 1.5rem; font-weight: 600;">
                                    <i class=" ri-search-line me-2"></i>Buscar
                                </button>
                            </div>
                        </div>

                    </form>
                </div>
                <div class="col-sm-6 p-md-0 justify-content-sm-end mt-2 mt-sm-0 d-flex"
                    style="position: absolute; right: 30px; top: 20px;">
                    <ol class="breadcrumb">
                        <a href="{{ url('reportes') }}" class="btn btn-rounded btn-dark back-fixed" aria-label="Regresar">
                            <span class="btn-icon-start text-dark"><i class=" ri-arrow-left-line"></i></span>
                            Regresar
                        </a>
                    </ol>
                </div>
            </div>

            <div class="row">
                <div class="col-12">
                    <div class="card shadow-sm"
                        style="border-radius: 12px; border: none; position: relative; overflow: hidden;">
                        <!-- Top Loader -->
                        <div class="top-loader-container">
                            <div class="top-loader-bar" id="top-loader"></div>
                        </div>

                        <div class="card-body">
                            <div class="d-flex justify-content-between align-items-center mb-4">
                                <h4 class="card-title mb-0" style="font-weight: 700; color: #2C3E50;">Resultados</h4>
                                <button type="button" id="exportPdfBtn" class="btn btn-danger shadow-sm" disabled
                                    style="border-radius: 8px; font-weight: 600;">
                                    <i class=" ri-file-pdf-2-line me-2"></i>Exportar a PDF
                                </button>
                            </div>
                            <div class="w-100">
                                <table id="tablaInscritos"
                                    class="table table-striped responsive w-100 display dataTable no-footer">
                                    <thead class="custom-thead">
                                        <tr>
                                            <th>UNIDAD</th>
                                            <th>CURSOS</th>
                                            <th>INSCRITOS</th>
                                            <th>HOMBRES</th>
                                            <th>MUJERES</th>
                                        </tr>
                                    </thead>
                                    <tbody>
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <style>
        .custom-thead {
            background: #E7EBEF !important;
        }

        .custom-thead th {
            color: #444 !important;
            border-bottom: 1px solid #dee2e6 !important;
            padding: 12px 15px !important;
            font-weight: 600 !important;
            text-transform: uppercase;
            font-size: 0.85rem;
        }

        .filter-dropdown-container {
            position: relative;
            display: inline-block;
            padding-bottom: 5px;
        }

        .filter-error-msg {
            position: absolute;
            bottom: -18px;
            left: 5px;
            font-size: 0.8rem;
            font-weight: 600;
            display: none;
            white-space: nowrap;
        }

        /* Top Loader Styles */
        .top-loader-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: transparent;
            overflow: hidden;
            z-index: 10;
        }

        .top-loader-bar {
            width: 0%;
            height: 100%;
            background: #556ee6;
            transition: width 0.3s ease;
        }

        .filter-dropdown-menu {
            display: none;
            position: absolute;
            border: 1px solid #2C3E5050;
            top: 100%;
            left: 0;
            z-index: 1000;
            min-width: 400px;
            background-color: #fff;
            border-radius: 12px;
            overflow: hidden;
            margin-top: 5px;
            transform-origin: top left;
            animation: growAnimation 0.2s ease-out forwards;
        }

        @keyframes growAnimation {
            from {
                transform: scale(0.8);
                opacity: 0;
            }

            to {
                transform: scale(1);
                opacity: 1;
            }
        }

        .filter-dropdown-menu.show {
            display: block;
        }

        .filter-dropdown-header {
            padding: 0.8rem;
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .filter-dropdown-body {
            padding: 0 1.2rem 1.2rem 1.2rem;
            max-height: 400px;
            overflow-y: auto;
        }

        .unit-checkbox-label {
            cursor: pointer;
            padding: 5px 8px;
            border-radius: 6px;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            width: 100%;
            margin-bottom: 2px;
            font-size: 0.85rem;
        }

        .unit-checkbox-label:hover {
            background-color: #f1f1f1;
        }

        .compact-row {
            margin-right: -5px;
            margin-left: -5px;
        }

        .compact-row>[class*="col-"] {
            padding-right: 5px;
            padding-left: 5px;
        }

        .transform-0.9 {
            transform: scale(0.9);
        }

        @media screen and (max-width: 576px) {
            .filter-dropdown-menu {
                min-width: 300px;
                position: fixed;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%) !important;
                margin-top: 0;
                width: 90%;
            }
        }
    </style>
@endsection

@push('scripts')
    <script>
        // Dropdown Toggle Logic
        $('.filter-toggle-btn').on('click', function (e) {
            e.stopPropagation();
            let $target = $(this).siblings('.filter-dropdown-menu');
            $('.filter-dropdown-menu').not($target).removeClass('show');
            $('.filter-toggle-btn').not(this).removeClass('transform-0.9');
            $(this).toggleClass('transform-0.9');
            $target.toggleClass('show');
        });

        $(document).on('click', function (e) {
            if (!$(e.target).closest('.filter-dropdown-container').length) {
                $('.filter-dropdown-menu').removeClass('show');
                $('.filter-toggle-btn').removeClass('transform-0.9');
            }
        });

        // Update selected text logic
        function updateSelectedText(checkboxClass, textId, defaultText) {
            let selected = [];
            $(`.${checkboxClass}:checked`).each(function () {
                selected.push($(this).data('name'));
            });

            if (selected.length === 0) {
                $(`#${textId}`).text(defaultText);
            } else if (selected.length === 1) {
                $(`#${textId}`).text(selected[0]);
            } else {
                $(`#${textId}`).text(`${selected.length} seleccionados`);
            }
        }

        // Form validation error helper
        function showValidationError(selector) {
            $(selector).fadeIn();
            setTimeout(() => {
                $(selector).fadeOut();
            }, 3000);
        }

        $('.month-check').on('change', function () {
            updateSelectedText('month-check', 'selectedMonthsText', 'Meses');
            if ($('.month-check:checked').length > 0) $('#errorMes').fadeOut();
        });
        
        $('.type-radio').on('change', function () {
            $('#selectedTypesText').text($(this).data('name'));
            $('#errorTipo').fadeOut();
            $('#dropdownTipos').removeClass('show');
            $('.filter-toggle-btn').removeClass('transform-0.9');
        });

        $('.year-radio').on('change', function () {
            $('#selectedYearText').text($(this).val());
            $('#dropdownYear').removeClass('show');
            $('.filter-toggle-btn').removeClass('transform-0.9');
        });

        // Select All Logic
        $('#btnSelectAllMonths').on('click', function () {
            let allChecked = $('.month-check:not(:checked)').length === 0;
            $('.month-check').prop('checked', !allChecked).trigger('change');
        });


        // DataTable Logic
        let isInitialized = false;
        let table = $('#tablaInscritos').DataTable({
            responsive: true,
            processing: true,
            serverSide: true,
            ajax: {
                url: "{{ route('reportes.inscritos.curso.data') }}",
                type: "POST",
                data: function (d) {
                    var formData = $('#filtroForm').serializeArray();
                    $.each(formData, function (i, field) {
                        if (field.name.includes('[]')) {
                            let cleanName = field.name.replace('[]', '');
                            if (!d[cleanName]) d[cleanName] = [];
                            d[cleanName].push(field.value);
                        } else {
                            d[field.name] = field.value;
                        }
                    });
                    d._token = '{{ csrf_token() }}';
                }
            },
            columns: [
                { data: 'un_nombre' },
                { data: 'total_aulas' },
                { data: 'inscritos' },
                { data: 'hombre' },
                { data: 'mujer' }
            ],
            language: {
                url: "//cdn.datatables.net/plug-ins/1.10.25/i18n/Spanish.json",
                emptyTable: "No hay datos con los filtros seleccionados."
            },
            preDrawCallback: function () {
                $('#top-loader').css('width', '30%');
            },
            drawCallback: function (settings) {
                $('#top-loader').css('width', '100%');
                setTimeout(() => {
                    $('#top-loader').css('width', '0%');
                }, 400);

                if (settings.aoData.length > 0) {
                    $('#exportPdfBtn').prop('disabled', false);
                } else {
                    $('#exportPdfBtn').prop('disabled', true);
                }

                const searchBtn = $('#filtroForm button[type="submit"]');
                searchBtn.prop('disabled', false).html('<i class=" ri-search-line me-2"></i>Buscar');
            }
        });

        $('#filtroForm').on('submit', function (e) {
            e.preventDefault();
            let isValid = true;

            if ($('.month-check:checked').length === 0) {
                showValidationError('#errorMes');
                isValid = false;
            }
            if ($('.type-radio:checked').length === 0) {
                showValidationError('#errorTipo');
                isValid = false;
            }

            if (!isValid) return false;

            $(this).find('button[type="submit"]').prop('disabled', true).html('<i class=" ri-loader-4-line ri-spin me-2"></i>Buscando...');
            table.ajax.reload();
        });

        // PDF Export Logic
        $('#exportPdfBtn').on('click', function () {
            const form = document.createElement('form');
            form.method = 'POST';
            form.action = "{{ route('reportes.inscritos.curso.export') }}";
            
            const csrf = document.createElement('input');
            csrf.type = 'hidden';
            csrf.name = '_token';
            csrf.value = '{{ csrf_token() }}';
            form.appendChild(csrf);

            const formDataArray = $('#filtroForm').serializeArray();
            formDataArray.forEach(field => {
                const input = document.createElement('input');
                input.type = 'hidden';
                input.name = field.name;
                input.value = field.value;
                form.appendChild(input);
            });

            form.target = '_blank';
            document.body.appendChild(form);
            form.submit();
            document.body.removeChild(form);
        });
    </script>
@endpush