@extends('layouts.app')

@section('content')
<div class="flex-1 space-y-8">
    <div class="flex items-center gap-2 text-slate-500 text-sm mb-2 font-medium">
        <a href="{{ route('dashboard') }}" class="hover:text-indigo-600 cursor-pointer transition-colors">Trang chủ</a>
        <i data-lucide="chevron-right" class="w-4 h-4"></i>
        <span class="text-slate-800">Tổng quan</span>
    </div>

    <div class="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
        <div>
            <h1 class="text-3xl font-bold text-slate-900 mb-2 flex items-center gap-3">
                <div class="p-2 bg-indigo-50 rounded-md">
                    <i data-lucide="layout-dashboard" class="w-7 h-7 text-indigo-600"></i>
                </div>
                Tổng quan bài test
            </h1>
            <p class="text-slate-500 text-sm">Thống kê học sinh tham gia bài test theo trạng thái xử lý và phúc khảo.</p>
        </div>
    </div>

    <div class="bg-white rounded-md shadow-[0_8px_30px_rgb(0,0,0,0.04)] border border-slate-200 p-6">
        <form method="GET" action="#" id="filterForm"
            class="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 xl:grid-cols-5 gap-4 items-end">

            @if(!empty($canViewAllExams) || !empty($isRoleAdmin))
            <div>
                <label for="campaign_id" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Sản phẩm</label>
                <select
                    class="w-full px-3.5 py-2 bg-slate-50 border border-slate-200 rounded-md text-sm focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all"
                    id="campaign_id" name="campaign_id" placeholder="Tất cả sản phẩm">
                    <option value="">Tất cả</option>
                    @foreach($campaigns as $campaign)
                    <option value="{{ $campaign->id }}">{{ $campaign->name }}</option>
                    @endforeach
                </select>
            </div>
            @else
            <input type="hidden" name="campaign_id" id="campaign_id" value="{{ $campaignId ?? '' }}">
            @endif

            <div>
                <label for="exam_id" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Loại đề test</label>
                <select
                    class="w-full px-3.5 py-2 bg-slate-50 border border-slate-200 rounded-md text-sm focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all"
                    id="exam_id" name="exam_id[]" multiple placeholder="Tất cả đề thi">
                </select>
            </div>

            <div>
                <label for="date_from" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Từ ngày (nộp bài)</label>
                <div class="relative">
                    <input type="text" id="date_from" name="date_from" placeholder="Chọn ngày bắt đầu..."
                        class="w-full px-3.5 py-2 bg-white border border-slate-200 rounded-md text-sm placeholder-slate-400 focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all cursor-pointer">
                    <div class="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none">
                        <i data-lucide="calendar" class="w-4 h-4 text-slate-400"></i>
                    </div>
                </div>
            </div>

            <div>
                <label for="date_to" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Đến ngày (nộp bài)</label>
                <div class="relative">
                    <input type="text" id="date_to" name="date_to" placeholder="Chọn ngày kết thúc..."
                        class="w-full px-3.5 py-2 bg-white border border-slate-200 rounded-md text-sm placeholder-slate-400 focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all cursor-pointer">
                    <div class="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none">
                        <i data-lucide="calendar" class="w-4 h-4 text-slate-400"></i>
                    </div>
                </div>
            </div>

            <div>
                <label for="status" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Trạng thái bài làm</label>
                <select
                    class="w-full px-3.5 py-2 bg-slate-50 border border-slate-200 rounded-md text-sm focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all"
                    id="status" name="status">
                    <option value="">Tất cả</option>
                    <option value="0">Đang làm</option>
                    <option value="1">Đã nộp</option>
                </select>
            </div>

            <div>
                <label for="score_processing_status" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Trạng thái xử lý điểm</label>
                <select
                    class="w-full px-3.5 py-2 bg-slate-50 border border-slate-200 rounded-md text-sm focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all"
                    id="score_processing_status" name="score_processing_status">
                    <option value="">Tất cả</option>
                    <option value="0">Đang xử lý</option>
                    <option value="1">Hoàn tất</option>
                    <option value="2">Giao chấm lại</option>
                </select>
            </div>

            <div>
                <label for="manual_grading_status" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Trạng thái chấm thủ công</label>
                <select
                    class="w-full px-3.5 py-2 bg-slate-50 border border-slate-200 rounded-md text-sm focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all"
                    id="manual_grading_status" name="manual_grading_status">
                    <option value="">Tất cả</option>
                    <option value="0">Không xác định</option>
                    <option value="1">Chờ chấm</option>
                    <option value="2">Đã chấm</option>
                    <option value="3">Quá hạn</option>
                    <option value="4">Đã chuyển</option>
                </select>
            </div>

            @if(!empty($isRoleAdmin) || !empty($canViewAll) || !empty($canViewWithoutRefCode))
            <div>
                <label for="consultant_user_id" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Mã tư vấn viên</label>
                <select
                    class="w-full px-3.5 py-2 bg-slate-50 border border-slate-200 rounded-md text-sm focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all"
                    id="consultant_user_id" name="consultant_user_id[]" multiple placeholder="Tất cả tư vấn viên">
                </select>
            </div>
            @endif

            @if(!empty($isRoleAdmin) || !empty($canViewAll) || !empty($canViewOnlyRefCode))
            <div>
                <label for="ambassador_user_id" class="block text-[13px] font-semibold text-slate-700 mb-1.5">Mã đại sứ</label>
                <select
                    class="w-full px-3.5 py-2 bg-slate-50 border border-slate-200 rounded-md text-sm focus:bg-white focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 outline-none transition-all"
                    id="ambassador_user_id" name="ambassador_user_id[]" multiple placeholder="Tất cả đại sứ">
                </select>
            </div>
            @endif

            <div class="sm:col-span-2 md:col-span-3 lg:col-span-4 xl:col-span-5 flex flex-col sm:flex-row items-center gap-3.5 mt-1">
                <div class="flex items-center gap-3">
                    <button type="submit"
                        class="w-full sm:w-auto inline-flex items-center justify-center gap-2 px-5 py-2.5 bg-indigo-600 text-white rounded-md text-sm font-medium hover:bg-indigo-700 transition-colors shadow-sm focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500">
                        <i data-lucide="filter" class="w-4 h-4"></i>
                        Lọc dữ liệu
                    </button>
                    <button type="button" id="resetBtn"
                        class="hidden w-full sm:w-auto inline-flex items-center justify-center gap-2 px-4 py-2.5 bg-slate-100 text-slate-600 rounded-md text-sm font-medium hover:bg-slate-200 transition-colors">
                        <i data-lucide="x" class="w-4 h-4"></i>
                        Xóa lọc
                    </button>
                </div>
            </div>
        </form>
    </div>

    <div id="stats-loading" class="hidden text-center py-8 text-slate-500 text-sm">
        <i data-lucide="loader-2" class="w-5 h-5 inline-block animate-spin mr-2"></i>
        Đang tải thống kê...
    </div>

    <div id="stats-grid" class="grid grid-cols-1 sm:grid-cols-2 xl:grid-cols-3 gap-4 transition-opacity duration-200">
        <div data-stat-card="total" class="bg-white rounded-md border border-slate-200 shadow-[0_8px_30px_rgb(0,0,0,0.04)] p-5 cursor-pointer hover:border-indigo-400 hover:shadow-md transition-all group">
            <div class="flex items-start justify-between gap-3">
                <div>
                    <p class="text-[13px] font-semibold text-slate-500 mb-1 group-hover:text-indigo-600 transition-colors">Đã tham gia bài test</p>
                    <p id="stat-total" class="text-3xl font-bold text-slate-900">—</p>
                </div>
                <div class="p-2 bg-indigo-50 rounded-md group-hover:bg-indigo-100 transition-colors">
                    <i data-lucide="users" class="w-5 h-5 text-indigo-600"></i>
                </div>
            </div>
            <div class="mt-3 pt-3 border-t border-slate-100 flex items-center justify-between text-xs text-slate-400 group-hover:text-indigo-600 transition-colors font-medium">
                <span>Xem chi tiết danh sách</span>
                <i data-lucide="arrow-right" class="w-3.5 h-3.5 transform group-hover:translate-x-1 transition-transform"></i>
            </div>
        </div>

        <div data-stat-card="invalid" class="bg-white rounded-md border border-slate-200 shadow-[0_8px_30px_rgb(0,0,0,0.04)] p-5 cursor-pointer hover:border-rose-400 hover:shadow-md transition-all group">
            <div class="flex items-start justify-between gap-3">
                <div>
                    <p class="text-[13px] font-semibold text-slate-500 mb-1 group-hover:text-rose-600 transition-colors">Không hợp lệ (bất thường)</p>
                    <p id="stat-invalid" class="text-3xl font-bold text-rose-600">—</p>
                </div>
                <div class="p-2 bg-rose-50 rounded-md group-hover:bg-rose-100 transition-colors">
                    <i data-lucide="shield-alert" class="w-5 h-5 text-rose-600"></i>
                </div>
            </div>
            <div class="mt-3 pt-3 border-t border-slate-100 flex items-center justify-between text-xs text-slate-400 group-hover:text-rose-600 transition-colors font-medium">
                <span>Xem chi tiết danh sách</span>
                <i data-lucide="arrow-right" class="w-3.5 h-3.5 transform group-hover:translate-x-1 transition-transform"></i>
            </div>
        </div>

        <div data-stat-card="waiting_result" class="bg-white rounded-md border border-slate-200 shadow-[0_8px_30px_rgb(0,0,0,0.04)] p-5 cursor-pointer hover:border-amber-400 hover:shadow-md transition-all group">
            <div class="flex items-start justify-between gap-3">
                <div>
                    <p class="text-[13px] font-semibold text-slate-500 mb-1 group-hover:text-amber-600 transition-colors">Thành công — chờ kết quả</p>
                    <p id="stat-waiting_result" class="text-3xl font-bold text-amber-600">—</p>
                </div>
                <div class="p-2 bg-amber-50 rounded-md group-hover:bg-amber-100 transition-colors">
                    <i data-lucide="hourglass" class="w-5 h-5 text-amber-600"></i>
                </div>
            </div>
            <div class="mt-3 pt-3 border-t border-slate-100 flex items-center justify-between text-xs text-slate-400 group-hover:text-amber-600 transition-colors font-medium">
                <span>Xem chi tiết danh sách</span>
                <i data-lucide="arrow-right" class="w-3.5 h-3.5 transform group-hover:translate-x-1 transition-transform"></i>
            </div>
        </div>

        <div data-stat-card="has_result" class="bg-white rounded-md border border-slate-200 shadow-[0_8px_30px_rgb(0,0,0,0.04)] p-5 cursor-pointer hover:border-emerald-400 hover:shadow-md transition-all group">
            <div class="flex items-start justify-between gap-3">
                <div>
                    <p class="text-[13px] font-semibold text-slate-500 mb-1 group-hover:text-emerald-600 transition-colors">Thành công — đã có kết quả</p>
                    <p id="stat-has_result" class="text-3xl font-bold text-emerald-600">—</p>
                </div>
                <div class="p-2 bg-emerald-50 rounded-md group-hover:bg-emerald-100 transition-colors">
                    <i data-lucide="check-circle-2" class="w-5 h-5 text-emerald-600"></i>
                </div>
            </div>
            <div class="mt-3 pt-3 border-t border-slate-100 flex items-center justify-between text-xs text-slate-400 group-hover:text-emerald-600 transition-colors font-medium">
                <span>Xem chi tiết danh sách</span>
                <i data-lucide="arrow-right" class="w-3.5 h-3.5 transform group-hover:translate-x-1 transition-transform"></i>
            </div>
        </div>

        <div data-stat-card="appeal_requested" class="bg-white rounded-md border border-slate-200 shadow-[0_8px_30px_rgb(0,0,0,0.04)] p-5 cursor-pointer hover:border-violet-400 hover:shadow-md transition-all group">
            <div class="flex items-start justify-between gap-3">
                <div>
                    <p class="text-[13px] font-semibold text-slate-500 mb-1 group-hover:text-violet-600 transition-colors">Có yêu cầu phúc khảo</p>
                    <p id="stat-appeal_requested" class="text-3xl font-bold text-violet-600">—</p>
                </div>
                <div class="p-2 bg-violet-50 rounded-md group-hover:bg-violet-100 transition-colors">
                    <i data-lucide="file-search" class="w-5 h-5 text-violet-600"></i>
                </div>
            </div>
            <div class="mt-3 pt-3 border-t border-slate-100 flex items-center justify-between text-xs text-slate-400 group-hover:text-violet-600 transition-colors font-medium">
                <span>Xem chi tiết danh sách</span>
                <i data-lucide="arrow-right" class="w-3.5 h-3.5 transform group-hover:translate-x-1 transition-transform"></i>
            </div>
        </div>

        <div data-stat-card="appeal_scored" class="bg-white rounded-md border border-slate-200 shadow-[0_8px_30px_rgb(0,0,0,0.04)] p-5 cursor-pointer hover:border-sky-400 hover:shadow-md transition-all group">
            <div class="flex items-start justify-between gap-3">
                <div>
                    <p class="text-[13px] font-semibold text-slate-500 mb-1 group-hover:text-sky-600 transition-colors">Đã trả điểm phúc khảo</p>
                    <p id="stat-appeal_scored" class="text-3xl font-bold text-sky-600">—</p>
                </div>
                <div class="p-2 bg-sky-50 rounded-md group-hover:bg-sky-100 transition-colors">
                    <i data-lucide="badge-check" class="w-5 h-5 text-sky-600"></i>
                </div>
            </div>
            <div class="mt-3 pt-3 border-t border-slate-100 flex items-center justify-between text-xs text-slate-400 group-hover:text-sky-600 transition-colors font-medium">
                <span>Xem chi tiết danh sách</span>
                <i data-lucide="arrow-right" class="w-3.5 h-3.5 transform group-hover:translate-x-1 transition-transform"></i>
            </div>
        </div>
    </div>
</div>

<input type="hidden" id="is_user_admin" value="{{ !empty($isRoleAdmin) ? 'true' : 'false' }}">
<input type="hidden" id="can_view_without_ref_code" value="{{ !empty($canViewWithoutRefCode) ? 'true' : 'false' }}">
<input type="hidden" id="can_view_only_ref_code" value="{{ !empty($canViewOnlyRefCode) ? 'true' : 'false' }}">
<input type="hidden" id="user_campaign_id" value="{{ $campaignId ?? '' }}">

<script>
    window.routes = {
        getAllExams: "{{ route('exams.getAllExams') }}",
        searchUsers: "{{ route('api.users.search') }}",
        dashboardStats: "{{ route('dashboard.stats') }}",
        studentExamHistory: "{{ route('student-exam-history.index') }}",
    };
</script>
<script src="{{ asset('js/dashboard/dashboard-stats.js') }}?v={{ time() }}"></script>
<script>
    if (typeof lucide !== 'undefined') {
        lucide.createIcons();
    }
</script>
@endsection