@extends('admin.layout.content')

@section('content')
    <div class="content-manager-container px-3 py-4">

        {{-- Notifikasi Flash Message Sukses / Gagal --}}
        @if (session('success'))
            <div class="alert alert-success alert-dismissible fade show flash-alert" role="alert">
                <i class="material-symbols-outlined align-middle me-1">check_circle</i> {{ session('success') }}
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            </div>
        @endif

        @if (session('error'))
            <div class="alert alert-danger alert-dismissible fade show flash-alert" role="alert">
                <i class="material-symbols-outlined align-middle me-1">error</i> {{ session('error') }}
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            </div>
        @endif

        {{-- Alert Menampilkan Error Validasi Input Form --}}
        @if ($errors->any())
            <div class="alert alert-danger alert-dismissible fade show flash-alert" role="alert">
                <strong class="d-block mb-1">Periksa kembali isian Anda:</strong>
                <ul class="mb-0 ps-3">
                    @foreach ($errors->all() as $error)
                        <li>{{ $error }}</li>
                    @endforeach
                </ul>
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            </div>
        @endif

        <div
            class="d-flex flex-column flex-md-row justify-content-between align-items-start align-items-md-center gap-3 mb-4">
            <div>
                <h2 class="content-manager-title h3 mb-1">Manajemen Satuan</h2>
                <p class="text-muted mb-0">Kelola data satuan pengukuran produk yang tersedia di sistem.</p>
            </div>
            {{-- Trigger Modal Tambah --}}
            <button class="btn-add-content d-inline-flex align-items-center gap-2 shadow-sm" data-bs-toggle="modal"
                data-bs-target="#modalCreate">
                <span class="material-symbols-outlined">add</span>
                Tambah Satuan
            </button>
        </div>

        <div class="content-manager-card">

            <div
                class="content-filter-bar d-flex flex-column flex-sm-row-reverse justify-content-between align-items-stretch align-items-sm-center gap-3">
                <div class="search-box-wrapper">
                    <span class="material-symbols-outlined">search</span>
                    <input type="text" id="search-input" class="form-control search-box-input" placeholder="Cari...">
                </div>

                <div class="d-flex align-items-center gap-2">
                    <span class="text-muted small text-nowrap">Tampilkan:</span>
                    <div class="dropdown show-entries-wrapper position-relative">
                        <button
                            class="btn dropdown-toggle dropdown-toggle-select d-flex align-items-center justify-content-between"
                            type="button" id="entriesDropdown" data-bs-toggle="dropdown" aria-expanded="false">
                            <span id="selected-entry-value">10</span>
                        </button>
                        <ul class="dropdown-menu dropdown-menu-entries" aria-labelledby="entriesDropdown">
                            <li><a class="dropdown-item active" href="#" data-value="10">10</a></li>
                            <li><a class="dropdown-item" href="#" data-value="25">25</a></li>
                            <li><a class="dropdown-item" href="#" data-value="50">50</a></li>
                        </ul>
                    </div>
                </div>
            </div>

            <div class="table-responsive">
                <table id="unit-table" class="table content-data-table mb-0 align-middle">
                    <thead>
                        <tr>
                            <th style="width: 80px;">No</th>
                            <th>Nama Satuan</th>
                            <th>Singkatan</th>
                            <th>Keterangan</th>
                            <th class="text-center" style="width: 140px;">Aksi</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($units as $index => $unit)
                            <tr class="unit-row">
                                <td class="row-index-number" data-origin-index="{{ $index + 1 }}">{{ $index + 1 }}
                                </td>
                                <td><span class="content-item-name fw-semibold">{{ $unit->unit_name }}</span></td>
                                <td><span
                                        class="badge bg-light text-dark border px-2 py-1 font-monospace">{{ $unit->unit_abbreviation }}</span>
                                </td>
                                <td><span class="content-item-desc">{{ $unit->unit_description ?? '-' }}</span></td>
                                <td class="text-end">
                                    <div class="d-inline-flex gap-1">
                                        {{-- Tombol Detail --}}
                                        <button class="btn-table-action btn-action-view" title="Detail"
                                            data-bs-toggle="modal" data-bs-target="#modalShow"
                                            data-name="{{ $unit->unit_name }}"
                                            data-abbreviation="{{ $unit->unit_abbreviation }}"
                                            data-description="{{ $unit->unit_description ?? '-' }}">
                                            <span class="material-symbols-outlined">visibility</span>
                                        </button>
                                        {{-- Tombol Edit --}}
                                        <button class="btn-table-action btn-action-edit" title="Edit"
                                            data-bs-toggle="modal" data-bs-target="#modalEdit"
                                            data-id="{{ $unit->unit_id }}" data-name="{{ $unit->unit_name }}"
                                            data-abbreviation="{{ $unit->unit_abbreviation }}"
                                            data-description="{{ $unit->unit_description }}">
                                            <span class="material-symbols-outlined">edit</span>
                                        </button>
                                        {{-- Tombol Hapus --}}
                                        <button class="btn-table-action btn-action-delete" title="Hapus"
                                            data-bs-toggle="modal" data-bs-target="#modalDelete"
                                            data-id="{{ $unit->unit_id }}" data-name="{{ $unit->unit_name }}">
                                            <span class="material-symbols-outlined">delete</span>
                                        </button>
                                    </div>
                                </td>
                            </tr>
                        @empty
                            <tr class="empty-row">
                                <td colspan="5" class="text-center text-muted py-4">Belum ada data satuan yang tersedia.
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>

            <div
                class="content-pagination-bar d-flex flex-column flex-sm-row justify-content-between align-items-center gap-3">
                <p class="pagination-summary"></p>
                <nav class="d-flex align-items-center">
                    {{-- Navigasi halaman akan dibuat dinamis via JavaScript --}}
                </nav>
            </div>

        </div>
    </div>

    {{-- ==================== MODAL TAMBAH (CREATE) ==================== --}}
    <div class="modal fade modal-modern" id="modalCreate" data-bs-backdrop="static" tabindex="-1"
        aria-labelledby="modalCreateLabel" aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered modal-fullscreen-sm-down mx-auto px-2" style="max-width: 500px;">
            <div class="modal-content border-0 shadow">
                <form action="{{ route('admin.units.store') }}" method="POST">
                    @csrf
                    <div class="modal-header d-flex align-items-center justify-content-between border-0 pb-0 pt-4 px-4">
                        <div class="d-flex align-items-center gap-3">
                            <div
                                class="icon-circle-wrapper bg-emerald-light border border-emerald-light text-success-dark flex-shrink-0">
                                <span class="material-symbols-outlined"
                                    style="font-size: 22px; color: #10b981;">add_box</span>
                            </div>
                            <div>
                                <h5 class="modal-title fw-bold text-slate-800 mb-0" id="modalCreateLabel"
                                    style="font-size: 1.1rem; line-height: 1.2;">Tambah Satuan</h5>
                                <small class="text-muted d-block mt-1" style="font-size: 0.78rem;">Buat data metrik baru
                                    ke dalam sistem</small>
                            </div>
                        </div>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body p-4">
                        <div class="mb-3">
                            <label class="form-label fw-semibold text-secondary small">NAMA SATUAN <span
                                    class="text-danger">*</span></label>
                            <input type="text" name="unit_name" class="form-control form-modern-input w-100"
                                value="{{ old('unit_name') }}" required placeholder="Contoh: Kilogram">
                        </div>
                        <div class="mb-3">
                            <label class="form-label fw-semibold text-secondary small">SINGKATAN <span
                                    class="text-danger">*</span></label>
                            <input type="text" name="unit_abbreviation" class="form-control form-modern-input w-100"
                                value="{{ old('unit_abbreviation') }}" required placeholder="Contoh: kg">
                        </div>
                        <div class="mb-0">
                            <label class="form-label fw-semibold text-secondary small">KETERANGAN / DESKRIPSI</label>
                            <textarea name="unit_description" class="form-control form-modern-input w-100" rows="3"
                                placeholder="Tulis catatan opsional mengenai satuan ini...">{{ old('unit_description') }}</textarea>
                        </div>
                    </div>
                    <div class="modal-footer border-0 pt-0 p-4 d-flex justify-content-end gap-2">
                        <button type="button" class="btn btn-modern-secondary px-4"
                            data-bs-dismiss="modal">Batal</button>
                        <button type="submit" class="btn btn-modern-primary px-4">Simpan Unit</button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    {{-- ==================== MODAL DETAIL (SHOW) ==================== --}}
    <div class="modal fade modal-modern" id="modalShow" tabindex="-1" aria-labelledby="modalShowLabel"
        aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered modal-fullscreen-sm-down mx-auto px-2" style="max-width: 500px;">
            <div class="modal-content border-0 shadow">
                <div class="modal-header d-flex align-items-center justify-content-between border-0 pb-0 pt-4 px-4">
                    <div class="d-flex align-items-center gap-3">
                        <div class="icon-circle-wrapper bg-emerald-light border border-emerald-light flex-shrink-0">
                            <span class="material-symbols-outlined"
                                style="font-size: 22px; color: #10b981;">database</span>
                        </div>
                        <div>
                            <h5 class="modal-title fw-bold text-slate-800 mb-0" id="modalShowLabel"
                                style="font-size: 1.1rem; line-height: 1.2;">Detail Satuan</h5>
                            <small class="text-muted d-block mt-1" style="font-size: 0.78rem;">Informasi lengkap properti
                                data</small>
                        </div>
                    </div>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body p-4">
                    <div class="d-flex flex-column gap-3 py-1">
                        <div class="p-3 rounded-3" style="background-color: #f8fafc; border: 1px solid #f1f5f9;">
                            <span class="d-block text-secondary fw-semibold small mb-1">NAMA SATUAN</span>
                            <span id="show-name" class="fw-bold text-slate-800 fs-5 style-word-break"></span>
                        </div>
                        <div class="p-3 rounded-3" style="background-color: #f8fafc; border: 1px solid #f1f5f9;">
                            <span class="d-block text-secondary fw-semibold small mb-1">SIMBOL / SINGKATAN</span>
                            <div>
                                <span id="show-abbreviation"
                                    class="badge font-monospace px-3 py-1.5 border fs-6 style-word-break"
                                    style="background-color: #fdfdfd; color: #070707; border-radius: 6px;"></span>
                            </div>
                        </div>
                        <div class="p-3 rounded-3" style="background-color: #f8fafc; border: 1px solid #f1f5f9;">
                            <span class="d-block text-secondary fw-semibold small mb-1">KETERANGAN</span>
                            <span id="show-description" class="text-slate-600 d-block style-word-break"
                                style="font-size: 0.95rem;"></span>
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-0 pt-0 p-4">
                    <button type="button" class="btn btn-modern-secondary w-100" data-bs-dismiss="modal">Tutup</button>
                </div>
            </div>
        </div>
    </div>

    {{-- ==================== MODAL EDIT (UPDATE) ==================== --}}
    <div class="modal fade modal-modern" id="modalEdit" data-bs-backdrop="static" tabindex="-1"
        aria-labelledby="modalEditLabel" aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered modal-fullscreen-sm-down mx-auto px-2" style="max-width: 500px;">
            <div class="modal-content border-0 shadow">
                <form id="form-edit" method="POST">
                    @csrf
                    @method('PUT')
                    <div class="modal-header d-flex align-items-center justify-content-between border-0 pb-0 pt-4 px-4">
                        <div class="d-flex align-items-center gap-3">
                            <div class="icon-circle-wrapper bg-emerald-light border border-emerald-light flex-shrink-0">
                                <span class="material-symbols-outlined"
                                    style="font-size: 22px; color: #10b981;">edit_square</span>
                            </div>
                            <div>
                                <h5 class="modal-title fw-bold text-slate-800 mb-0" id="modalEditLabel"
                                    style="font-size: 1.1rem; line-height: 1.2;">Perbarui Satuan</h5>
                                <small class="text-muted d-block mt-1" style="font-size: 0.78rem;">Modifikasi rincian data
                                    terpilih</small>
                            </div>
                        </div>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body p-4">
                        <div class="mb-3">
                            <label class="form-label fw-semibold text-secondary small">NAMA SATUAN <span
                                    class="text-danger">*</span></label>
                            <input type="text" name="unit_name" id="edit-name"
                                class="form-control form-modern-input w-100" required>
                        </div>
                        <div class="mb-3">
                            <label class="form-label fw-semibold text-secondary small">SINGKATAN <span
                                    class="text-danger">*</span></label>
                            <input type="text" name="unit_abbreviation" id="edit-abbreviation"
                                class="form-control form-modern-input w-100" required>
                        </div>
                        <div class="mb-0">
                            <label class="form-label fw-semibold text-secondary small">KETERANGAN</label>
                            <textarea name="unit_description" id="edit-description" class="form-control form-modern-input w-100" rows="3"></textarea>
                        </div>
                    </div>
                    <div class="modal-footer border-0 pt-0 p-4 d-flex justify-content-end gap-2">
                        <button type="button" class="btn btn-modern-secondary px-4"
                            data-bs-dismiss="modal">Batal</button>
                        <button type="submit" class="btn btn-modern-primary px-4">Simpan Perubahan</button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    {{-- ==================== MODAL HAPUS (DELETE) ==================== --}}
    <div class="modal fade modal-modern" id="modalDelete" tabindex="-1" aria-labelledby="modalDeleteLabel"
        aria-hidden="true">
        <div class="modal-dialog modal-dialog-centered mx-auto px-3" style="max-width: 400px;">
            <div class="modal-content border-0 shadow">
                <form id="form-delete" method="POST">
                    @csrf
                    @method('DELETE')
                    <div class="modal-body text-center p-4 pt-5">
                        <div class="icon-circle-wrapper bg-danger-subtle text-danger mx-auto mb-3 flex-shrink-0"
                            style="width: 56px; height: 56px; background-color: #fef2f2;">
                            <span class="material-symbols-outlined"
                                style="font-size: 28px; color: #ef4444;">delete_forever</span>
                        </div>
                        <h5 class="fw-bold text-slate-800 mb-2" style="font-size: 1.15rem;">Hapus Data Satuan?</h5>
                        <p class="text-secondary mb-0 small px-2">Tindakan ini tidak dapat dibatalkan. Anda akan menghapus
                            data satuan secara permanen:</p>
                        <div class="mt-3 p-2 rounded-3 font-monospace fw-bold text-danger bg-light style-word-break"
                            id="delete-name"
                            style="font-size: 1.05rem; background-color: #fff5f5 !important; border: 1px dashed #fca5a5;">
                        </div>
                    </div>
                    <div class="modal-footer bg-white border-0 d-flex gap-2 p-4 pt-0 justify-content-center">
                        <button type="button" class="btn btn-modern-secondary px-4 m-0 w-50" data-bs-dismiss="modal"
                            style="padding: 0.6rem;">Batal</button>
                        <button type="submit" class="btn btn-danger px-4 m-0 w-50"
                            style="background-color: #ef4444; border: none; border-radius: 10px; font-weight: 500; padding: 0.6rem;">Ya,
                            Hapus</button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    {{-- JAVASCRIPT: Logic Utama --}}
    <script>
        document.addEventListener('DOMContentLoaded', function() {

            // ================= LOGIK AUTO-DISMISS ALERT (5 DETIK) =================
            const alerts = document.querySelectorAll('.flash-alert');
            alerts.forEach(function(alertElement) {
                setTimeout(function() {
                    const bsAlert = bootstrap.Alert.getOrCreateInstance(alertElement);
                    if (bsAlert) {
                        bsAlert.close();
                    }
                }, 5000);
            });

            // ================= LOGIK MODAL DATA BINDING =================
            const modalShow = document.getElementById('modalShow');
            if (modalShow) {
                modalShow.addEventListener('show.bs.modal', function(event) {
                    const button = event.relatedTarget;
                    document.getElementById('show-name').textContent = button.getAttribute('data-name');
                    document.getElementById('show-abbreviation').textContent = button.getAttribute(
                        'data-abbreviation');
                    document.getElementById('show-description').textContent = button.getAttribute(
                        'data-description');
                });
            }

            const modalEdit = document.getElementById('modalEdit');
            if (modalEdit) {
                modalEdit.addEventListener('show.bs.modal', function(event) {
                    const button = event.relatedTarget;
                    const id = button.getAttribute('data-id');

                    document.getElementById('edit-name').value = button.getAttribute('data-name');
                    document.getElementById('edit-abbreviation').value = button.getAttribute(
                        'data-abbreviation');
                    document.getElementById('edit-description').value = button.getAttribute(
                        'data-description');

                    document.getElementById('form-edit').action = `/admin/units/{{ session('admin_route_code') }}/${id}`;
                });
            }

            const modalDelete = document.getElementById('modalDelete');
            if (modalDelete) {
                modalDelete.addEventListener('show.bs.modal', function(event) {
                    const button = event.relatedTarget;
                    const id = button.getAttribute('data-id');

                    document.getElementById('delete-name').textContent = button.getAttribute('data-name');

                    document.getElementById('form-delete').action = `/admin/units/{{ session('admin_route_code') }}/${id}`;
                });
            }


            // ================= LOGIK FILTER & PAGINATION CLIENT-SIDE DINAMIS =================
            const searchInput = document.getElementById('search-input');
            const dropdownItems = document.querySelectorAll('.dropdown-menu-entries .dropdown-item');
            const selectedEntryValue = document.getElementById('selected-entry-value');
            const paginationSummary = document.querySelector('.pagination-summary');
            const paginationContainer = document.querySelector('.content-pagination-bar nav');

            let currentLimit = parseInt(selectedEntryValue.textContent) || 10;
            let currentPage = 1;

            function applyFilters() {
                const rows = document.querySelectorAll('.unit-row');
                const query = searchInput.value.toLowerCase().trim();

                let matchedRows = [];
                rows.forEach(row => {
                    const nameText = row.querySelector('.content-item-name')?.textContent.toLowerCase() ||
                        '';
                    const abbrevText = row.querySelector('.badge')?.textContent.toLowerCase() || '';
                    const descText = row.querySelector('.content-item-desc')?.textContent.toLowerCase() ||
                        '';

                    const isMatch = nameText.includes(query) || abbrevText.includes(query) || descText
                        .includes(query);

                    if (isMatch) {
                        matchedRows.push(row);
                    } else {
                        row.style.display = 'none';
                    }
                });

                const totalMatch = matchedRows.length;
                const totalPages = Math.ceil(totalMatch / currentLimit) || 1;

                if (currentPage > totalPages) {
                    currentPage = totalPages;
                }

                const startIdx = (currentPage - 1) * currentLimit;
                const endIdx = startIdx + currentLimit;

                matchedRows.forEach((row, index) => {
                    if (index >= startIdx && index < endIdx) {
                        row.style.display = '';
                        const indexCell = row.querySelector('.row-index-number');
                        if (indexCell) {
                            indexCell.textContent = index + 1;
                        }
                    } else {
                        row.style.display = 'none';
                    }
                });

                if (paginationSummary) {
                    if (totalMatch === 0) {
                        paginationSummary.textContent = "Menampilkan 0 data";
                        const emptyRow = document.querySelector('.empty-row');
                        if (emptyRow) emptyRow.style.display = '';
                    } else {
                        const emptyRow = document.querySelector('.empty-row');
                        if (emptyRow) emptyRow.style.display = 'none';

                        const fromPos = startIdx + 1;
                        const toPos = Math.min(endIdx, totalMatch);
                        paginationSummary.textContent =
                            `Menampilkan ${fromPos} sampai ${toPos} dari ${totalMatch} entri`;
                    }
                }

                renderPagination(totalPages);
            }

            function renderPagination(totalPages) {
                if (!paginationContainer) return;
                paginationContainer.innerHTML = '';

                const prevLink = document.createElement('a');
                prevLink.href = '#';
                prevLink.className = `content-page-link ${currentPage === 1 ? 'disabled' : ''}`;
                prevLink.innerHTML =
                    '<span class="material-symbols-outlined" style="font-size: 18px;">chevron_left</span>';
                prevLink.addEventListener('click', function(e) {
                    e.preventDefault();
                    if (currentPage > 1) {
                        currentPage--;
                        applyFilters();
                    }
                });
                paginationContainer.appendChild(prevLink);

                for (let i = 1; i <= totalPages; i++) {
                    const pageLink = document.createElement('a');
                    pageLink.href = '#';
                    pageLink.className = `content-page-link ${currentPage === i ? 'active' : ''}`;
                    pageLink.textContent = i;
                    pageLink.addEventListener('click', function(e) {
                        e.preventDefault();
                        currentPage = i;
                        applyFilters();
                    });
                    paginationContainer.appendChild(pageLink);
                }

                const nextLink = document.createElement('a');
                nextLink.href = '#';
                nextLink.className = `content-page-link ${currentPage === totalPages ? 'disabled' : ''}`;
                nextLink.innerHTML =
                    '<span class="material-symbols-outlined" style="font-size: 18px;">chevron_right</span>';
                nextLink.addEventListener('click', function(e) {
                    e.preventDefault();
                    if (currentPage < totalPages) {
                        currentPage++;
                        applyFilters();
                    }
                });
                paginationContainer.appendChild(nextLink);
            }

            if (searchInput) {
                searchInput.addEventListener('input', function() {
                    currentPage = 1;
                    applyFilters();
                });
            }

            dropdownItems.forEach(item => {
                item.addEventListener('click', function(e) {
                    e.preventDefault();
                    dropdownItems.forEach(i => i.classList.remove('active'));
                    this.classList.add('active');

                    const value = this.getAttribute('data-value');
                    selectedEntryValue.textContent = value;
                    currentLimit = parseInt(value);
                    currentPage = 1;

                    applyFilters();
                });
            });

            applyFilters();
        });
    </script>
@endsection