@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 Kupon</h2>
                <p class="text-muted mb-0">Kelola kode promo, diskon nominal/persentase, kuota, serta masa berlaku kupon
                    belanja.</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 Kupon
            </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="coupon-table" class="table content-data-table mb-0 align-middle">
                    <thead>
                        <tr>
                            <th style="width: 70px;">No</th>
                            <th>Kode Kupon</th>
                            <th>Masa Berlaku</th>
                            <th>Sisa Kuota</th>
                            <th class="text-center" style="width: 140px;">Aksi</th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse($coupons as $index => $coupon)
                            <tr class="coupon-row">
                                <td class="row-index-number" data-origin-index="{{ $index + 1 }}">{{ $index + 1 }}
                                </td>
                                <td>
                                    <span
                                        class="content-item-name fw-bold font-monospace text-primary bg-light border rounded px-2 py-1">{{ $coupon->coupon_code }}</span>
                                </td>
                                <td class="small">
                                    <div class="text-success"><i class="material-symbols-outlined align-middle fs-6">play_circle</i>
                                        {{ $coupon->start_date->format('d M Y H:i') }}</div>
                                    <div class="text-danger"><i class="material-symbols-outlined align-middle fs-6">cancel</i>
                                        {{ $coupon->end_date->format('d M Y H:i') }}</div>
                                </td>
                                <td>
                                    <span class="fw-semibold">{{ $coupon->usage_limit_total }} x</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-code="{{ $coupon->coupon_code }}" data-type="{{ $coupon->coupon_type }}"
                                            data-value="{{ $coupon->discount_value }}"
                                            data-min="{{ $coupon->min_transaction }}"
                                            data-max-nominal="{{ $coupon->max_discount_nominal ?? 0 }}"
                                            data-quota="{{ $coupon->usage_limit_total }}"
                                            data-start="{{ $coupon->start_date->format('Y-m-d\TH:i') }}"
                                            data-end="{{ $coupon->end_date->format('Y-m-d\TH:i') }}"
                                            data-active="{{ $coupon->is_active ? '1' : '0' }}">
                                            <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="{{ $coupon->coupon_id }}" data-code="{{ $coupon->coupon_code }}"
                                            data-type="{{ $coupon->coupon_type }}"
                                            data-value="{{ $coupon->discount_value }}"
                                            data-min="{{ $coupon->min_transaction }}"
                                            data-max-nominal="{{ $coupon->max_discount_nominal }}"
                                            data-quota="{{ $coupon->usage_limit_total }}"
                                            data-start="{{ $coupon->start_date->format('Y-m-d\TH:i') }}"
                                            data-end="{{ $coupon->end_date->format('Y-m-d\TH:i') }}"
                                            data-active="{{ $coupon->is_active ? '1' : '0' }}">
                                            <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="{{ $coupon->coupon_id }}" data-code="{{ $coupon->coupon_code }}">
                                            <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 kupon 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: 600px;">
            <div class="modal-content border-0 shadow">
                <form action="{{ route('admin.coupons.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 Kupon Baru</h5>
                                <small class="text-muted d-block mt-1" style="font-size: 0.78rem;">Buat entitas instrumen
                                    potongan harga baru</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="row g-3">
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">KODE KUPON <span
                                        class="text-danger">*</span></label>
                                <input type="text" name="coupon_code"
                                    class="form-control form-modern-input w-100 font-monospace text-uppercase" required
                                    placeholder="Contoh: MERDEKA50">
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">TIPE KUPON <span
                                        class="text-danger">*</span></label>
                                <select name="coupon_type" class="form-select form-modern-input w-100 no-tomselect" required
                                    onchange="toggleMaxDiscount(this, 'create')">
                                    <option value="nominal">Nominal (Potongan Rupiah)</option>
                                    <option value="percentage">Percentage (Potongan Persen)</option>
                                </select>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">NILAI DISKON <span
                                        class="text-danger">*</span></label>
                                <input type="number" name="discount_value" min="1"
                                    class="form-control form-modern-input w-100" required
                                    placeholder="Contoh: 10000 / 15">
                            </div>
                            <div class="col-sm-6 d-none" id="max-discount-group-create">
                                <label class="form-label fw-semibold text-secondary small">MAKSIMAL NOMINAL DISKON</label>
                                <input type="number" name="max_discount_nominal" min="0"
                                    class="form-control form-modern-input w-100"
                                    placeholder="Kosongkan jika tak terbatas">
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">MINIMAL TRANSAKSI</label>
                                <input type="number" name="min_transaction" value="0" min="0"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">KUOTA TOTAL PENGGUNAAN <span
                                        class="text-danger">*</span></label>
                                <input type="number" name="usage_limit_total" value="100" min="1"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">WAKTU MULAI <span
                                        class="text-danger">*</span></label>
                                <input type="datetime-local" name="start_date"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">WAKTU BERAKHIR <span
                                        class="text-danger">*</span></label>
                                <input type="datetime-local" name="end_date" class="form-control form-modern-input w-100"
                                    required>
                            </div>
                            <div class="col-12">
                                <div class="form-check form-switch mt-2">
                                    <input type="hidden" name="is_active" value="0">
                                    <input class="form-check-input" type="checkbox" name="is_active"
                                        id="create-is-active" value="1" checked>
                                    <label class="form-check-label fw-semibold text-slate-700 small"
                                        for="create-is-active">Setel Kupon Langsung Aktif</label>
                                </div>
                            </div>
                        </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 Kupon</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: 550px;">
            <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;">Rincian Data Kupon</h5>
                            <small class="text-muted d-block mt-1" style="font-size: 0.78rem;">Informasi lengkap parameter
                                validitas operasional</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="row g-3">
                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">KODE KUPON</span>
                                    <span id="show-code" class="fw-bold text-primary font-monospace style-word-break fs-5"></span>
                                </div>
                            </div>
                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">STATUS</span>
                                    <span id="show-status" class="fw-bold d-block mt-1"></span>
                                </div>
                            </div>

                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">TIPE KUPON</span>
                                    <span id="show-type" class="fw-semibold text-slate-800"></span>
                                </div>
                            </div>
                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">NILAI DISKON</span>
                                    <span id="show-discount-value" class="fw-bold text-slate-800"></span>
                                </div>
                            </div>

                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">MAKSIMAL NOMINAL (jika ada)</span>
                                    <span id="show-max-nominal" class="fw-semibold text-slate-700"></span>
                                </div>
                            </div>
                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">MINIMAL TRANSAKSI</span>
                                    <span id="show-min" class="fw-semibold text-slate-700"></span>
                                </div>
                            </div>

                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">SISA KUOTA</span>
                                    <span id="show-quota" class="fw-semibold text-slate-700"></span>
                                </div>
                            </div>
                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">WAKTU MULAI</span>
                                    <span id="show-start" class="text-success fw-medium"></span>
                                </div>
                            </div>

                            <div class="col-12 col-md-6">
                                <div class="p-3 rounded-3 border" style="background-color: #f8fafc;">
                                    <span class="d-block text-secondary fw-semibold small mb-1" style="font-size: 0.75rem;">WAKTU BERAKHIR</span>
                                    <span id="show-end" class="text-danger fw-medium"></span>
                                </div>
                            </div>
                        </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: 600px;">
            <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 Data Kupon</h5>
                                <small class="text-muted d-block mt-1" style="font-size: 0.78rem;">Modifikasi aturan
                                    pembatasan benefit diskon</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="row g-3">
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">KODE KUPON <span
                                        class="text-danger">*</span></label>
                                <input type="text" name="coupon_code" id="edit-code"
                                    class="form-control form-modern-input w-100 font-monospace text-uppercase" required>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">TIPE KUPON <span
                                        class="text-danger">*</span></label>
                                <select name="coupon_type" id="edit-type" class="form-select form-modern-input w-100 no-tomselect"
                                    required onchange="toggleMaxDiscount(this, 'edit')">
                                    <option value="nominal">Nominal (Potongan Rupiah)</option>
                                    <option value="percentage">Percentage (Potongan Persen)</option>
                                </select>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">NILAI DISKON <span
                                        class="text-danger">*</span></label>
                                <input type="number" name="discount_value" id="edit-value" min="1"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-sm-6" id="max-discount-group-edit">
                                <label class="form-label fw-semibold text-secondary small">MAKSIMAL NOMINAL DISKON</label>
                                <input type="number" name="max_discount_nominal" id="edit-max-nominal" min="0"
                                    class="form-control form-modern-input w-100">
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">MINIMAL TRANSAKSI</label>
                                <input type="number" name="min_transaction" id="edit-min" min="0"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">KUOTA TOTAL PENGGUNAAN <span
                                        class="text-danger">*</span></label>
                                <input type="number" name="usage_limit_total" id="edit-quota" min="1"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">WAKTU MULAI <span
                                        class="text-danger">*</span></label>
                                <input type="datetime-local" name="start_date" id="edit-start"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-sm-6">
                                <label class="form-label fw-semibold text-secondary small">WAKTU BERAKHIR <span
                                        class="text-danger">*</span></label>
                                <input type="datetime-local" name="end_date" id="edit-end"
                                    class="form-control form-modern-input w-100" required>
                            </div>
                            <div class="col-12">
                                <div class="form-check form-switch mt-2">
                                    <input type="hidden" name="is_active" value="0">
                                    <input class="form-check-input" type="checkbox" name="is_active" id="edit-is-active"
                                        value="1">
                                    <label class="form-check-label fw-semibold text-slate-700 small"
                                        for="edit-is-active">Atur Kupon Status Aktif</label>
                                </div>
                            </div>
                        </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 Kupon?</h5>
                        <p class="text-secondary mb-0 small px-2">Tindakan ini bersifat destruktif permanen. Anda akan
                            menghapus parameter kode kupon:</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>
        // Fungsi pembantu untuk mematikan / menghidupkan input Max Nominal Diskon tergantung pilihan tipe kupon
        function toggleMaxDiscount(selectObj, context) {
            const targetGroupId = context === 'create' ? 'max-discount-group-create' : 'max-discount-group-edit';
            const groupEl = document.getElementById(targetGroupId);
            if (selectObj.value === 'percentage') {
                groupEl.classList.remove('d-none');
            } else {
                groupEl.classList.add('d-none');
                const inputEl = groupEl.querySelector('input');
                if (inputEl) inputEl.value = '';
            }
        }

        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);
            });

            // Format helper untuk output rupiah di modal detail
            function formatRupiah(number) {
                return 'Rp' + parseInt(number).toLocaleString('id-ID');
            }

            // ================= LOGIK MODAL DATA BINDING =================
            const modalShow = document.getElementById('modalShow');
            if (modalShow) {
                modalShow.addEventListener('show.bs.modal', function(event) {
                    const button = event.relatedTarget;
                    const type = button.getAttribute('data-type');
                    const value = button.getAttribute('data-value');
                    const maxNominal = button.getAttribute('data-max-nominal');
                    const isActive = button.getAttribute('data-active');

                    document.getElementById('show-code').textContent = button.getAttribute('data-code');
                    document.getElementById('show-type').textContent = type === 'percentage' ? 'Percentage (Persen)' : 'Nominal (Rupiah)';

                    // Discount value and max nominal shown separately
                    const discountEl = document.getElementById('show-discount-value');
                    const maxNomEl = document.getElementById('show-max-nominal');
                    if (type === 'percentage') {
                        discountEl.textContent = value + '%';
                        maxNomEl.textContent = maxNominal && maxNominal !== '0' ? formatRupiah(maxNominal) : '-';
                    } else {
                        discountEl.textContent = formatRupiah(value);
                        maxNomEl.textContent = '-';
                    }

                    document.getElementById('show-min').textContent = formatRupiah(button.getAttribute('data-min'));
                    document.getElementById('show-quota').textContent = button.getAttribute('data-quota') + ' Kali Penggunaan';

                    // Format penanggalan manusiawi di detail
                    const startRaw = new Date(button.getAttribute('data-start'));
                    const endRaw = new Date(button.getAttribute('data-end'));
                    const optDate = {
                        day: '2-digit',
                        month: 'short',
                        year: 'numeric',
                        hour: '2-digit',
                        minute: '2-digit'
                    };

                    document.getElementById('show-start').textContent = startRaw.toLocaleDateString('id-ID',
                        optDate);
                    document.getElementById('show-end').textContent = endRaw.toLocaleDateString('id-ID',
                        optDate);

                    const statusBadge = document.getElementById('show-status');
                    if (isActive === '1' && endRaw > new Date()) {
                        statusBadge.className = 'badge bg-success px-2.5 py-1.5';
                        statusBadge.textContent = 'Aktif';
                    } else {
                        statusBadge.className = 'badge bg-danger px-2.5 py-1.5';
                        statusBadge.textContent = 'Nonaktif / Kedaluwarsa';
                    }
                });
            }

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

                    document.getElementById('edit-code').value = button.getAttribute('data-code');
                    document.getElementById('edit-type').value = type;
                    document.getElementById('edit-value').value = button.getAttribute('data-value');
                    document.getElementById('edit-min').value = button.getAttribute('data-min');
                    document.getElementById('edit-quota').value = button.getAttribute('data-quota');
                    document.getElementById('edit-start').value = button.getAttribute('data-start');
                    document.getElementById('edit-end').value = button.getAttribute('data-end');

                    const maxNominal = button.getAttribute('data-max-nominal');
                    document.getElementById('edit-max-nominal').value = (maxNominal && maxNominal !== '0') ?
                        maxNominal : '';

                    const groupEl = document.getElementById('max-discount-group-edit');
                    if (type === 'percentage') {
                        groupEl.classList.remove('d-none');
                    } else {
                        groupEl.classList.add('d-none');
                    }

                    document.getElementById('edit-is-active').checked = button.getAttribute(
                        'data-active') === '1';
                    document.getElementById('form-edit').action = `/admin/coupons/{{ 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-code');
                    document.getElementById('form-delete').action = `/admin/coupons/{{ 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('.coupon-row');
                const query = searchInput.value.toLowerCase().trim();

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

                    const isMatch = codeText.includes(query) || typeBadge.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