@extends('layouts.app')

@section('content')
<div class="flex-1 space-y-6">
    <!-- Header -->
    <div class="flex items-center gap-2 text-slate-500 text-sm mb-2">
        <a href="{{ route('dashboard') }}" class="hover:text-blue-600 cursor-pointer">Trang chủ</a>
        <i data-lucide="chevron-right" class="w-4 h-4"></i>
        <a href="{{ route('campaigns.index') }}" class="hover:text-blue-600 cursor-pointer">Quản lý sản phẩm</a>
        <i data-lucide="chevron-right" class="w-4 h-4"></i>
        <span>Tạo sản phẩm</span>
    </div>
    <h1 class="text-3xl font-bold text-slate-900 mb-6">Tạo sản phẩm Mới</h1>

    <!-- Notifications -->
    @if(session('success'))
        <div class="bg-green-50 border border-green-200 text-green-800 px-4 py-3 rounded-lg flex items-center justify-between">
            {{ session('success') }}
            <button type="button" onclick="this.parentElement.remove()" class="text-green-600 hover:text-green-800"><i data-lucide="x" class="w-5 h-5"></i></button>
        </div>
    @endif
    @if(session('error'))
        <div class="bg-red-50 border border-red-200 text-red-800 px-4 py-3 rounded-lg flex items-center justify-between">
            {{ session('error') }}
            <button type="button" onclick="this.parentElement.remove()" class="text-red-600 hover:text-red-800"><i data-lucide="x" class="w-5 h-5"></i></button>
        </div>
    @endif
    @if($errors->any())
        <div class="bg-red-50 border border-red-200 text-red-800 px-4 py-3 rounded-lg">
            <ul class="list-disc list-inside space-y-1 text-sm">
                @foreach($errors->all() as $error)
                    <li>{{ $error }}</li>
                @endforeach
            </ul>
        </div>
    @endif

    <div class="bg-white rounded-xl shadow-sm border border-slate-200 p-6">
        <form action="{{ route('campaigns.store') }}" id="form_campaign_info" method="post">
            @csrf
            <div class="space-y-4">
                <div>
                    <label class="block text-sm font-medium text-slate-700 mb-1">Tên sản phẩm <span class="text-red-500">*</span></label>
                    <input type="text" name="name" id="campaign_name" value="{{ old('name') }}" class="w-full px-3 py-2 bg-white border border-slate-300 rounded-lg text-sm focus:border-blue-500 focus:ring-1 focus:ring-blue-500 outline-none" placeholder="Nhập tên sản phẩm" required>
                </div>

                <div>
                    <label class="block text-sm font-medium text-slate-700 mb-1">Mã sản phẩm <span class="text-red-500">*</span></label>
                    <input type="text" name="code" id="campaign_code" value="{{ old('code') }}" class="w-full px-3 py-2 bg-white border border-slate-300 rounded-lg text-sm focus:border-blue-500 focus:ring-1 focus:ring-blue-500 outline-none" placeholder="Nhập mã sản phẩm" required>
                    <p class="mt-1 text-xs text-slate-500">Nếu mã đã tồn tại . Hệ thống sẽ tự động thêm -1 , -2 ... sau mã</p>
                </div>

                <div>
                    <label class="block text-sm font-medium text-slate-700 mb-1">Thêm thành viên</label>
                    <div class="relative">
                        <select id="user_select" name="user_ids[]" multiple placeholder="Tìm theo tên hoặc email người dùng..." class="w-full"></select>
                    </div>
                    <p class="mt-1 text-xs text-slate-500">Bạn có thể chọn nhiều người dùng cùng lúc.</p>
                </div>
            </div>

            <div class="mt-8 flex items-center gap-3">
                <button type="submit" id="btn-save" class="px-4 py-2 bg-blue-600 text-white rounded-lg text-sm font-medium hover:bg-blue-700 transition-colors shadow-sm">
                    <i data-lucide="save" class="w-4 h-4 inline-block mr-1"></i> Tạo sản phẩm
                </button>
                <a href="{{ route('campaigns.index') }}" class="px-4 py-2 bg-white border border-slate-300 text-slate-700 rounded-lg text-sm font-medium hover:bg-slate-50 transition-colors"> Huỷ </a>
            </div>
        </form>
    </div>
</div>
@endsection

@section('scripts')
<script>
    $(document).ready(function() {
        if (typeof lucide !== 'undefined') lucide.createIcons();

        // --- Logic 1: Tự động tạo Mã Campaign ---
        const $nameInput = $('#campaign_name');
        const $codeInput = $('#campaign_code');
        let isManualCode = false;

        $nameInput.on('input', function() {
            if (!isManualCode) {
                const slug = slugify($(this).val(), {
                    replacement: '-',
                    lower: true,
                    strict: true,
                    locale: 'vi'
                });
                $codeInput.val(slug);
            }
        });

        $codeInput.on('input', function() {
            isManualCode = $(this).val() !== '';
        });

        // --- Logic 2: Tom Select Remote Loading cho User ---
        new TomSelect('#user_select', {
            valueField: 'id',
            labelField: 'name',
            searchField: ['email'],
            plugins: ['remove_button', 'checkbox_options', 'clear_button'],
            loadThrottle: 400,
            load: function(query, callback) {
                if (!query.length) return callback();
                
                // Route này bạn cần định nghĩa trong web.php (trả về JSON)
                const url = `{{ route('api.users.search') }}?q=${encodeURIComponent(query)}`;
                
                fetch(url)
                    .then(response => response.json())
                    .then(json => {
                        callback(json.data); // json.data là mảng các user {id, name, email}
                    }).catch(() => {
                        callback();
                    });
            },
            render: {
                option: function(item, escape) {
                    return `<div class="py-2 px-3 flex items-center gap-2">
                        <div class="font-medium text-slate-900">${escape(item.name)}</div>
                        <div class="text-xs text-slate-500">${escape(item.email || '')}</div>
                    </div>`;
                },
                item: function(item, escape) {
                    return `<div class="ts-item">${escape(item.name)}</div>`;
                }
            },
            // Style Tailwind cho input của Tom Select
            controlInput: '<input type="text" autocomplete="off" class="ts-input" />',
            controlClass: 'ts-control custom-ts',
            dropdownClass: 'ts-dropdown custom-ts-dropdown',
        });
    });
</script>
@endsection