@extends('layouts.app')

@section('title', 'Bảng xếp hạng')

@section('content')
<div class="max-w-[1280px] mx-auto w-full pb-16 px-4 lg:px-8">
    {{-- 1. HERO SECTION --}}
    <div class="relative overflow-hidden rounded-[32px] mb-10 shadow-[0_8px_32px_rgba(0,0,0,0.04)]" style="background: linear-gradient(135deg, #f5f7ff 0%, #e0e7ff 100%);">
        <x-hero-banner>
            <h2 class="text-[32px] md:text-[42px] font-extrabold text-[#1a2b49] mb-3 drop-shadow-sm">🏆 Bảng xếp hạng</h2>
            <p class="text-[16px] md:text-[18px] text-gray-700 mb-4 max-w-2xl">Tôn vinh những cá nhân lan tỏa văn hóa cảm ơn và ghi nhận trong tổ chức.</p>
        </x-hero-banner>
        <img src="{{ asset('images/illustrations/trophy.svg') }}" alt="trophy" class="absolute right-4 bottom-0 w-40 h-40 md:w-56 md:h-56 opacity-20 pointer-events-none">
    </div>

    {{-- 4. TAB SWITCHER --}}
    <div class="flex justify-center mb-10">
        <div class="inline-flex bg-[#F5F7FB] rounded-[20px] p-1.5 shadow-inner border border-gray-100">
            <button id="tab-btn-received" onclick="switchRankingTab('received')" class="tab-btn bg-white shadow-[0_4px_12px_rgba(0,0,0,0.05)] text-primary px-8 py-3 rounded-[16px] font-bold text-[15px] transition-all duration-300 flex items-center gap-2">
                <span class="text-xl">📥</span> TOP Nhận
            </button>
            <button id="tab-btn-sent" onclick="switchRankingTab('sent')" class="tab-btn text-gray-500 hover:text-gray-800 hover:bg-gray-50 px-8 py-3 rounded-[16px] font-bold text-[15px] transition-all duration-300 flex items-center gap-2">
                <span class="text-xl">📤</span> TOP Gửi
            </button>
        </div>
    </div>

    {{-- CONTENT CONTAINER --}}
    <div id="ranking-content-container">
        
        {{-- ==================== TAB: NHẬN ==================== --}}
        <div id="content-received" class="tab-content block animate-fade-in">
            {{-- 2. TOP 3 PODIUM --}}
            @if(!empty($receivedRankers) && count($receivedRankers) >= 3)
            <div class="flex justify-center items-end gap-4 md:gap-10 mb-12 pt-8">
                {{-- 2nd Place --}}
                <div class="flex flex-col items-center group relative z-10">
                    <div class="relative w-24 h-24 md:w-28 md:h-28 mb-4 transition-transform duration-300 group-hover:-translate-y-2">
                        <div class="absolute inset-0 bg-gray-200 rounded-full animate-pulse opacity-20"></div>
                        <img src="{{ $receivedRankers[1]->avatar ?? asset('images/avatar.png') }}" class="w-full h-full object-cover rounded-full shadow-[0_8px_24px_rgba(0,0,0,0.12)] border-4 border-white">
                        <div class="absolute -bottom-3 left-1/2 transform -translate-x-1/2 bg-gradient-to-r from-gray-100 to-gray-300 rounded-full px-3 py-0.5 shadow-md border border-gray-200 flex items-center gap-1 text-sm font-bold text-gray-700">
                            🥈 #2
                        </div>
                    </div>
                    <span class="font-bold text-[#1a2b49] text-center text-sm md:text-base">{{ $receivedRankers[1]->name ?? '---' }}</span>
                    <span class="text-xs md:text-sm text-gray-500 text-center">{{ $receivedRankers[1]->department ?? '' }}</span>
                    <span class="text-sm font-extrabold text-primary mt-1">{{ $receivedRankers[1]->score ?? 0 }} điểm</span>
                </div>
                
                {{-- 1st Place --}}
                <div class="flex flex-col items-center group relative z-20">
                    <div class="absolute -top-10 text-4xl animate-bounce">👑</div>
                    <div class="relative w-32 h-32 md:w-40 md:h-40 mb-4 transition-transform duration-300 group-hover:-translate-y-3">
                        <div class="absolute inset-0 bg-yellow-300 rounded-full animate-pulse opacity-20"></div>
                        <img src="{{ $receivedRankers[0]->avatar ?? asset('images/avatar.png') }}" class="w-full h-full object-cover rounded-full shadow-[0_12px_32px_rgba(250,204,21,0.3)] border-4 border-yellow-400">
                        <div class="absolute -bottom-4 left-1/2 transform -translate-x-1/2 bg-gradient-to-r from-yellow-300 to-yellow-500 rounded-full px-4 py-1 shadow-lg border border-yellow-200 flex items-center gap-1 text-base font-extrabold text-yellow-900">
                            🥇 #1
                        </div>
                    </div>
                    <span class="font-extrabold text-[#1a2b49] text-center text-lg md:text-xl">{{ $receivedRankers[0]->name ?? '---' }}</span>
                    <span class="text-sm text-gray-500 text-center">{{ $receivedRankers[0]->department ?? '' }}</span>
                    <span class="text-lg font-extrabold text-yellow-500 mt-1">{{ $receivedRankers[0]->score ?? 0 }} điểm</span>
                </div>
                
                {{-- 3rd Place --}}
                <div class="flex flex-col items-center group relative z-10">
                    <div class="relative w-24 h-24 md:w-28 md:h-28 mb-4 transition-transform duration-300 group-hover:-translate-y-2">
                        <div class="absolute inset-0 bg-orange-200 rounded-full animate-pulse opacity-20"></div>
                        <img src="{{ $receivedRankers[2]->avatar ?? asset('images/avatar.png') }}" class="w-full h-full object-cover rounded-full shadow-[0_8px_24px_rgba(0,0,0,0.12)] border-4 border-white">
                        <div class="absolute -bottom-3 left-1/2 transform -translate-x-1/2 bg-gradient-to-r from-orange-200 to-orange-400 rounded-full px-3 py-0.5 shadow-md border border-orange-200 flex items-center gap-1 text-sm font-bold text-orange-900">
                            🥉 #3
                        </div>
                    </div>
                    <span class="font-bold text-[#1a2b49] text-center text-sm md:text-base">{{ $receivedRankers[2]->name ?? '---' }}</span>
                    <span class="text-xs md:text-sm text-gray-500 text-center">{{ $receivedRankers[2]->department ?? '' }}</span>
                    <span class="text-sm font-extrabold text-primary mt-1">{{ $receivedRankers[2]->score ?? 0 }} điểm</span>
                </div>
            </div>
            @endif

            {{-- 3. THÀNH TÍCH CỦA BẠN --}}
            @if($receivedCurrentUserRankItem)
            <div class="max-w-xl mx-auto mb-12 bg-white rounded-[24px] p-5 shadow-[0_8px_24px_rgba(52,98,247,0.08)] border border-blue-100 flex items-center justify-between transform transition-all hover:scale-[1.02]">
                <div class="flex items-center gap-4">
                    <div class="relative">
                        <img src="{{ $receivedCurrentUserRankItem->avatar ?? asset('images/avatar.png') }}" alt="You" class="w-16 h-16 rounded-full object-cover border-2 border-blue-100">
                        <div class="absolute -bottom-2 -right-2 bg-primary w-8 h-8 rounded-full flex items-center justify-center text-white text-xs font-bold border-2 border-white shadow-sm">
                            #{{ $receivedCurrentUserRankItem->rank }}
                        </div>
                    </div>
                    <div>
                        <p class="text-xs font-bold tracking-wider text-gray-400 uppercase mb-1">Thành tích của bạn (Nhận)</p>
                        <p class="font-extrabold text-[#1a2b49] text-xl">{{ $receivedCurrentUserRankItem->name }}</p>
                    </div>
                </div>
                <div class="text-right">
                    <p class="text-3xl font-black text-primary">{{ $receivedCurrentUserRankItem->score }}</p>
                    <p class="text-xs font-medium text-gray-500 uppercase">Điểm</p>
                </div>
            </div>
            @endif

            {{-- 6. ĐỒNG HẠNG & LEADERBOARD CARDS --}}
            <div class="space-y-6">
                @php
                    $groupedReceived = collect($receivedRankers ?? [])->groupBy('rank');
                @endphp
                @if($groupedReceived->count() > 0)
                    @foreach($groupedReceived as $rank => $group)
                        <div class="bg-white rounded-[24px] shadow-[0_4px_20px_rgba(0,0,0,0.03)] border border-gray-50 overflow-hidden">
                            {{-- Group Header --}}
                            <div class="bg-[#F8FAFC] px-6 py-4 flex items-center justify-between border-b border-gray-100">
                                <div class="flex items-center gap-3">
                                    @if($rank == 1)
                                        <span class="text-3xl filter drop-shadow-sm">🥇</span>
                                    @elseif($rank == 2)
                                        <span class="text-3xl filter drop-shadow-sm">🥈</span>
                                    @elseif($rank == 3)
                                        <span class="text-3xl filter drop-shadow-sm">🥉</span>
                                    @else
                                        <div class="w-10 h-10 bg-white rounded-full flex items-center justify-center font-bold text-gray-500 shadow-sm border border-gray-100">#{{ $rank }}</div>
                                    @endif
                                    <div>
                                        <h3 class="text-lg font-extrabold text-[#1a2b49]">Hạng #{{ $rank }}</h3>
                                        <p class="text-sm text-gray-500">{{ $group->count() }} người đồng hạng</p>
                                    </div>
                                </div>
                                <div class="text-right">
                                    <span class="text-primary font-black text-2xl">{{ $group->first()->score }}</span>
                                    <span class="text-sm font-bold text-gray-400">điểm</span>
                                </div>
                            </div>
                            
                            {{-- Users in Group --}}
                            <div class="p-6 grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-4">
                                @foreach($group as $user)
                                    <div class="group bg-white rounded-[16px] p-4 flex items-center gap-4 transition-all duration-300 hover:-translate-y-1 hover:shadow-[0_12px_24px_rgba(0,0,0,0.06)] border border-gray-100 cursor-default relative overflow-hidden">
                                        <div class="absolute inset-0 bg-gradient-to-r from-blue-50 to-transparent opacity-0 group-hover:opacity-100 transition-opacity"></div>
                                        <img src="{{ $user->avatar ?? asset('images/avatar.png') }}" class="w-12 h-12 rounded-full object-cover shadow-sm relative z-10">
                                        <div class="flex-1 min-w-0 relative z-10">
                                            <p class="font-bold text-[#1a2b49] truncate group-hover:text-primary transition-colors">{{ $user->name }}</p>
                                            <p class="text-xs text-gray-500 truncate">{{ $user->department }}</p>
                                        </div>
                                    </div>
                                @endforeach
                            </div>
                        </div>
                    @endforeach
                @else
                    <x-empty-state title="Chưa có dữ liệu" description="Chưa có dữ liệu Bảng xếp hạng Nhận." icon="hero"/>
                @endif
            </div>
        </div>

        {{-- ==================== TAB: GỬI ==================== --}}
        <div id="content-sent" class="tab-content hidden animate-fade-in">
            {{-- 2. TOP 3 PODIUM --}}
            @if(!empty($sentRankers) && count($sentRankers) >= 3)
            <div class="flex justify-center items-end gap-4 md:gap-10 mb-12 pt-8">
                {{-- 2nd Place --}}
                <div class="flex flex-col items-center group relative z-10">
                    <div class="relative w-24 h-24 md:w-28 md:h-28 mb-4 transition-transform duration-300 group-hover:-translate-y-2">
                        <div class="absolute inset-0 bg-gray-200 rounded-full animate-pulse opacity-20"></div>
                        <img src="{{ $sentRankers[1]->avatar ?? asset('images/avatar.png') }}" class="w-full h-full object-cover rounded-full shadow-[0_8px_24px_rgba(0,0,0,0.12)] border-4 border-white">
                        <div class="absolute -bottom-3 left-1/2 transform -translate-x-1/2 bg-gradient-to-r from-gray-100 to-gray-300 rounded-full px-3 py-0.5 shadow-md border border-gray-200 flex items-center gap-1 text-sm font-bold text-gray-700">
                            🥈 #2
                        </div>
                    </div>
                    <span class="font-bold text-[#1a2b49] text-center text-sm md:text-base">{{ $sentRankers[1]->name ?? '---' }}</span>
                    <span class="text-xs md:text-sm text-gray-500 text-center">{{ $sentRankers[1]->department ?? '' }}</span>
                    <span class="text-sm font-extrabold text-primary mt-1">{{ $sentRankers[1]->score ?? 0 }} điểm</span>
                </div>
                
                {{-- 1st Place --}}
                <div class="flex flex-col items-center group relative z-20">
                    <div class="absolute -top-10 text-4xl animate-bounce">👑</div>
                    <div class="relative w-32 h-32 md:w-40 md:h-40 mb-4 transition-transform duration-300 group-hover:-translate-y-3">
                        <div class="absolute inset-0 bg-yellow-300 rounded-full animate-pulse opacity-20"></div>
                        <img src="{{ $sentRankers[0]->avatar ?? asset('images/avatar.png') }}" class="w-full h-full object-cover rounded-full shadow-[0_12px_32px_rgba(250,204,21,0.3)] border-4 border-yellow-400">
                        <div class="absolute -bottom-4 left-1/2 transform -translate-x-1/2 bg-gradient-to-r from-yellow-300 to-yellow-500 rounded-full px-4 py-1 shadow-lg border border-yellow-200 flex items-center gap-1 text-base font-extrabold text-yellow-900">
                            🥇 #1
                        </div>
                    </div>
                    <span class="font-extrabold text-[#1a2b49] text-center text-lg md:text-xl">{{ $sentRankers[0]->name ?? '---' }}</span>
                    <span class="text-sm text-gray-500 text-center">{{ $sentRankers[0]->department ?? '' }}</span>
                    <span class="text-lg font-extrabold text-yellow-500 mt-1">{{ $sentRankers[0]->score ?? 0 }} điểm</span>
                </div>
                
                {{-- 3rd Place --}}
                <div class="flex flex-col items-center group relative z-10">
                    <div class="relative w-24 h-24 md:w-28 md:h-28 mb-4 transition-transform duration-300 group-hover:-translate-y-2">
                        <div class="absolute inset-0 bg-orange-200 rounded-full animate-pulse opacity-20"></div>
                        <img src="{{ $sentRankers[2]->avatar ?? asset('images/avatar.png') }}" class="w-full h-full object-cover rounded-full shadow-[0_8px_24px_rgba(0,0,0,0.12)] border-4 border-white">
                        <div class="absolute -bottom-3 left-1/2 transform -translate-x-1/2 bg-gradient-to-r from-orange-200 to-orange-400 rounded-full px-3 py-0.5 shadow-md border border-orange-200 flex items-center gap-1 text-sm font-bold text-orange-900">
                            🥉 #3
                        </div>
                    </div>
                    <span class="font-bold text-[#1a2b49] text-center text-sm md:text-base">{{ $sentRankers[2]->name ?? '---' }}</span>
                    <span class="text-xs md:text-sm text-gray-500 text-center">{{ $sentRankers[2]->department ?? '' }}</span>
                    <span class="text-sm font-extrabold text-primary mt-1">{{ $sentRankers[2]->score ?? 0 }} điểm</span>
                </div>
            </div>
            @endif

            {{-- 3. THÀNH TÍCH CỦA BẠN --}}
            @if($sentCurrentUserRankItem)
            <div class="max-w-xl mx-auto mb-12 bg-white rounded-[24px] p-5 shadow-[0_8px_24px_rgba(52,98,247,0.08)] border border-blue-100 flex items-center justify-between transform transition-all hover:scale-[1.02]">
                <div class="flex items-center gap-4">
                    <div class="relative">
                        <img src="{{ $sentCurrentUserRankItem->avatar ?? asset('images/avatar.png') }}" alt="You" class="w-16 h-16 rounded-full object-cover border-2 border-blue-100">
                        <div class="absolute -bottom-2 -right-2 bg-primary w-8 h-8 rounded-full flex items-center justify-center text-white text-xs font-bold border-2 border-white shadow-sm">
                            #{{ $sentCurrentUserRankItem->rank }}
                        </div>
                    </div>
                    <div>
                        <p class="text-xs font-bold tracking-wider text-gray-400 uppercase mb-1">Thành tích của bạn (Gửi)</p>
                        <p class="font-extrabold text-[#1a2b49] text-xl">{{ $sentCurrentUserRankItem->name }}</p>
                    </div>
                </div>
                <div class="text-right">
                    <p class="text-3xl font-black text-primary">{{ $sentCurrentUserRankItem->score }}</p>
                    <p class="text-xs font-medium text-gray-500 uppercase">Điểm</p>
                </div>
            </div>
            @endif

            {{-- 6. ĐỒNG HẠNG & LEADERBOARD CARDS --}}
            <div class="space-y-6">
                @php
                    $groupedSent = collect($sentRankers ?? [])->groupBy('rank');
                @endphp
                @if($groupedSent->count() > 0)
                    @foreach($groupedSent as $rank => $group)
                        <div class="bg-white rounded-[24px] shadow-[0_4px_20px_rgba(0,0,0,0.03)] border border-gray-50 overflow-hidden">
                            {{-- Group Header --}}
                            <div class="bg-[#F8FAFC] px-6 py-4 flex items-center justify-between border-b border-gray-100">
                                <div class="flex items-center gap-3">
                                    @if($rank == 1)
                                        <span class="text-3xl filter drop-shadow-sm">🥇</span>
                                    @elseif($rank == 2)
                                        <span class="text-3xl filter drop-shadow-sm">🥈</span>
                                    @elseif($rank == 3)
                                        <span class="text-3xl filter drop-shadow-sm">🥉</span>
                                    @else
                                        <div class="w-10 h-10 bg-white rounded-full flex items-center justify-center font-bold text-gray-500 shadow-sm border border-gray-100">#{{ $rank }}</div>
                                    @endif
                                    <div>
                                        <h3 class="text-lg font-extrabold text-[#1a2b49]">Hạng #{{ $rank }}</h3>
                                        <p class="text-sm text-gray-500">{{ $group->count() }} người đồng hạng</p>
                                    </div>
                                </div>
                                <div class="text-right">
                                    <span class="text-primary font-black text-2xl">{{ $group->first()->score }}</span>
                                    <span class="text-sm font-bold text-gray-400">điểm</span>
                                </div>
                            </div>
                            
                            {{-- Users in Group --}}
                            <div class="p-6 grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-4">
                                @foreach($group as $user)
                                    <div class="group bg-white rounded-[16px] p-4 flex items-center gap-4 transition-all duration-300 hover:-translate-y-1 hover:shadow-[0_12px_24px_rgba(0,0,0,0.06)] border border-gray-100 cursor-default relative overflow-hidden">
                                        <div class="absolute inset-0 bg-gradient-to-r from-purple-50 to-transparent opacity-0 group-hover:opacity-100 transition-opacity"></div>
                                        <img src="{{ $user->avatar ?? asset('images/avatar.png') }}" class="w-12 h-12 rounded-full object-cover shadow-sm relative z-10">
                                        <div class="flex-1 min-w-0 relative z-10">
                                            <p class="font-bold text-[#1a2b49] truncate group-hover:text-primary transition-colors">{{ $user->name }}</p>
                                            <p class="text-xs text-gray-500 truncate">{{ $user->department }}</p>
                                        </div>
                                    </div>
                                @endforeach
                            </div>
                        </div>
                    @endforeach
                @else
                    <x-empty-state title="Chưa có dữ liệu" description="Chưa có dữ liệu Bảng xếp hạng Gửi." icon="hero"/>
                @endif
            </div>
        </div>

    </div>
</div>

<style>
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}
</style>

@endsection

@push('scripts')
<script>
    function switchRankingTab(tab) {
        const btnReceived = document.getElementById('tab-btn-received');
        const btnSent = document.getElementById('tab-btn-sent');
        const contentReceived = document.getElementById('content-received');
        const contentSent = document.getElementById('content-sent');

        const activeClasses = ['bg-white', 'shadow-[0_4px_12px_rgba(0,0,0,0.05)]', 'text-primary'];
        const inactiveClasses = ['text-gray-500', 'hover:text-gray-800', 'hover:bg-gray-50'];

        if (tab === 'received') {
            btnReceived.classList.add(...activeClasses);
            btnReceived.classList.remove(...inactiveClasses);
            btnSent.classList.add(...inactiveClasses);
            btnSent.classList.remove(...activeClasses);
            
            contentReceived.classList.remove('hidden');
            contentReceived.classList.add('block');
            contentSent.classList.remove('block');
            contentSent.classList.add('hidden');
        } else {
            btnSent.classList.add(...activeClasses);
            btnSent.classList.remove(...inactiveClasses);
            btnReceived.classList.add(...inactiveClasses);
            btnReceived.classList.remove(...activeClasses);
            
            contentSent.classList.remove('hidden');
            contentSent.classList.add('block');
            contentReceived.classList.remove('block');
            contentReceived.classList.add('hidden');
        }
    }
</script>
@endpush