@extends('layouts.bootstrap')

@section('title', 'Tenders')

@section('header')
    <h1 class="h3 mb-0">
        <i class="bi bi-clipboard-check me-2"></i>Tenders
    </h1>
    <div>
        @if(auth()->user()->canManage())
            <a href="{{ route('tenders.create') }}" class="btn btn-primary">
                <i class="bi bi-plus-lg me-1"></i>Add Tender
            </a>
        @endif
    </div>
@endsection

@section('content')
<div class="container-fluid">
    @if(session('success'))
        <div class="alert alert-success alert-dismissible fade show" role="alert">
            <h5><i class="bi bi-check-circle me-2"></i>Success!</h5>
            {{ session('success') }}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    @endif

    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-0">Tenders Management</h1>
            <p class="text-muted">Manage tender documents and product requirements</p>
        </div>
        @can('create', App\Models\Tender::class)
            <a href="{{ route('tenders.create') }}" class="btn btn-primary">
                <i class="bi bi-plus-lg me-1"></i>Add New Tender
            </a>
        @endcan
    </div>

    <!-- Filters -->
    <div class="card mb-4">
        <div class="card-body">
            <form method="GET" action="{{ route('tenders.index') }}" class="row g-3">
                <div class="col-md-4">
                    <label for="search" class="form-label">Search</label>
                    <input type="text" class="form-control" id="search" name="search" 
                           value="{{ request('search') }}" placeholder="Search by name, reference, or description...">
                </div>
                <div class="col-md-2">
                    <label for="status" class="form-label">Status</label>
                    <select class="form-select" id="status" name="status">
                        <option value="all" {{ request('status', 'active') == 'all' ? 'selected' : '' }}>All Statuses</option>
                        <option value="active" {{ request('status', 'active') == 'active' ? 'selected' : '' }}>Active</option>
                        <option value="draft" {{ request('status', 'active') == 'draft' ? 'selected' : '' }}>Draft</option>
                        <option value="closed" {{ request('status', 'active') == 'closed' ? 'selected' : '' }}>Closed</option>
                        <option value="cancelled" {{ request('status', 'active') == 'cancelled' ? 'selected' : '' }}>Cancelled</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="deadline_filter" class="form-label">Deadline</label>
                    <select class="form-select" id="deadline_filter" name="deadline_filter">
                        <option value="">All Deadlines</option>
                        <option value="upcoming" {{ request('deadline_filter') == 'upcoming' ? 'selected' : '' }}>Upcoming</option>
                        <option value="expired" {{ request('deadline_filter') == 'expired' ? 'selected' : '' }}>Expired</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="bidding_status" class="form-label">Bidding Status</label>
                    <select class="form-select" id="bidding_status" name="bidding_status">
                        <option value="">All Tenders</option>
                        <option value="bidded" {{ request('bidding_status') == 'bidded' ? 'selected' : '' }}>Bidded</option>
                        <option value="not_bidded" {{ request('bidding_status') == 'not_bidded' ? 'selected' : '' }}>Not Bidded</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="per_page" class="form-label">Per Page</label>
                    <select class="form-select" id="per_page" name="per_page">
                        <option value="10" {{ request('per_page') == 10 ? 'selected' : '' }}>10</option>
                        <option value="15" {{ request('per_page', 15) == 15 ? 'selected' : '' }}>15</option>
                        <option value="25" {{ request('per_page') == 25 ? 'selected' : '' }}>25</option>
                        <option value="50" {{ request('per_page') == 50 ? 'selected' : '' }}>50</option>
                        <option value="100" {{ request('per_page') == 100 ? 'selected' : '' }}>100</option>
                    </select>
                </div>
                <div class="col-md-2 d-flex align-items-end">
                    <button type="submit" class="btn btn-outline-primary me-2">
                        <i class="bi bi-search me-1"></i>Filter
                    </button>
                    <a href="{{ route('tenders.index') }}" class="btn btn-outline-secondary">
                        <i class="bi bi-arrow-clockwise me-1"></i>Reset
                    </a>
                </div>
            </form>
        </div>
    </div>

    <!-- Tenders List -->
    @if($tenders->count() > 0)
        <div class="row">
            @foreach($tenders as $tender)
                <div class="col-lg-6 col-xl-4 mb-4">
                    <div class="card h-100 shadow-sm">
                        <div class="card-header d-flex justify-content-between align-items-center">
                            <div>
                                <h6 class="card-title mb-0">{{ $tender->name }}</h6>
                                <small class="text-muted">{{ $tender->reference_number }}</small>
                            </div>
                            <span class="badge {{ $tender->getStatusBadgeClass() }}">
                                {{ $tender->getStatusLabel() }}
                            </span>
                        </div>
                        <div class="card-body">
                            @if($tender->description)
                                <p class="card-text text-muted small">
                                    {{ Str::limit($tender->description, 100) }}
                                </p>
                            @endif
                            
                            <div class="row text-center mb-3">
                                <div class="col-4">
                                    <strong class="text-primary">{{ $tender->getTotalProductsCount() }}</strong>
                                    <br><small class="text-muted">Products</small>
                                </div>
                                <div class="col-4">
                                    <strong class="text-success">৳{{ number_format($tender->getTotalBudgetBdt(), 0) }}</strong>
                                    <br><small class="text-muted">Budget</small>
                                </div>
                                <div class="col-4">
                                    @if($tender->deadline)
                                        @php $daysLeft = $tender->getDaysUntilDeadline(); @endphp
                                        <strong class="{{ $daysLeft < 0 ? 'text-danger' : ($daysLeft <= 7 ? 'text-warning' : 'text-info') }}">
                                            {{ $daysLeft < 0 ? 'Expired' : $daysLeft . ' days' }}
                                        </strong>
                                        <br><small class="text-muted">{{ $daysLeft < 0 ? '' : 'Left' }}</small>
                                    @else
                                        <strong class="text-muted">N/A</strong>
                                        <br><small class="text-muted">Deadline</small>
                                    @endif
                                </div>
                            </div>

                            @if($tender->isClosed() && $tender->hasBids())
                                {{-- Closed Tender - Show Winner Information --}}
                                @php
                                    $winner = $tender->getLowestBid();
                                    $biddingInfo = $tender->getBiddingInfo();
                                @endphp
                                <div class="alert alert-success py-3 mb-3 border-0" style="background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);">
                                    <div class="row align-items-center">
                                        <div class="col-auto">
                                            <i class="bi bi-trophy-fill text-warning" style="font-size: 2rem;"></i>
                                        </div>
                                        <div class="col">
                                            <div class="d-flex justify-content-between align-items-start">
                                                <div>
                                                    <h6 class="mb-1 text-success">
                                                        <i class="bi bi-check-circle-fill me-1"></i>
                                                        Tender Closed - Winner Selected
                                                    </h6>
                                                    <div class="mb-2">
                                                        <strong class="text-dark fs-5">{{ $winner->company_name }}</strong>
                                                        <span class="badge bg-success ms-2">Winner</span>
                                                    </div>
                                                    <div class="row">
                                                        <div class="col-sm-6">
                                                            <small class="text-muted">Winning Bid:</small>
                                                            <br><strong class="text-success">{{ $winner->getFormattedBidValue() }}</strong>
                                                        </div>
                                                        <div class="col-sm-6">
                                                            <small class="text-muted">Total Bids:</small>
                                                            <br><strong class="text-primary">{{ $biddingInfo['bids_count'] }}</strong>
                                                        </div>
                                                    </div>
                                                </div>
                                                <div class="text-end">
                                                    <span class="badge bg-warning text-dark fs-6">#1</span>
                                                    <br><small class="text-muted">Position</small>
                                                </div>
                                            </div>
                                            @if($biddingInfo['bids_count'] > 1)
                                                <div class="mt-2 pt-2 border-top">
                                                    <small class="text-muted">
                                                        <a href="{{ route('tender-bids.index', $tender) }}" class="text-decoration-none">
                                                            <i class="bi bi-list-ol me-1"></i>
                                                            View All {{ $biddingInfo['bids_count'] }} Bid Results
                                                        </a>
                                                    </small>
                                                </div>
                                            @endif
                                        </div>
                                    </div>
                                </div>
                            {{-- For active tenders, don't show any bidding information to maintain fairness --}}
                            @endif

                            @if($tender->deadline)
                                <div class="mb-2">
                                    <small class="text-muted">
                                        <i class="bi bi-calendar-event me-1"></i>
                                        Deadline: {{ $tender->deadline->format('M d, Y') }}
                                    </small>
                                </div>
                            @endif

                            <div class="mb-2">
                                <small class="text-muted">
                                    <i class="bi bi-person me-1"></i>
                                    Created by {{ $tender->creator->name ?? 'Unknown' }}
                                </small>
                            </div>
                        </div>
                        <div class="card-footer bg-transparent">
                            <div class="d-flex justify-content-between align-items-center">
                                <div class="btn-group" role="group">
                                    <a href="{{ route('tenders.show', $tender) }}" class="btn btn-sm btn-outline-primary">
                                        <i class="bi bi-eye me-1"></i>View
                                    </a>
                                    @can('update', $tender)
                                        <a href="{{ route('tender-bids.index', $tender) }}" class="btn btn-sm btn-outline-info">
                                            <i class="bi bi-currency-dollar me-1"></i>Manage Bids
                                            @if($tender->hasBids())
                                                <span class="badge bg-info ms-1">{{ $tender->getBidsCount() }}</span>
                                            @endif
                                        </a>
                                    @endcan
                                </div>
                                <div class="btn-group" role="group">
                                    @can('update', $tender)
                                        <a href="{{ route('tenders.edit', $tender) }}" class="btn btn-sm btn-outline-secondary">
                                            <i class="bi bi-pencil"></i>
                                        </a>
                                    @endcan
                                    @can('delete', $tender)
                                        <form method="POST" action="{{ route('tenders.destroy', $tender) }}"
                                              style="display: inline;"
                                              onsubmit="return confirm('Are you sure you want to delete this tender?')">
                                            @csrf
                                            @method('DELETE')
                                            <button type="submit" class="btn btn-sm btn-outline-danger">
                                                <i class="bi bi-trash"></i>
                                            </button>
                                        </form>
                                    @endcan
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            @endforeach
        </div>

        <!-- Pagination -->
        @if($tenders->hasPages())
            <div class="d-flex justify-content-between align-items-center mt-4">
                <div class="text-muted">
                    Showing {{ $tenders->firstItem() }} to {{ $tenders->lastItem() }} of {{ $tenders->total() }} results
                </div>
                <div>
                    {{ $tenders->appends(request()->query())->links() }}
                </div>
            </div>
        @endif
    @else
        <div class="text-center py-5">
            <i class="bi bi-folder2-open display-1 text-muted"></i>
            <h4 class="mt-3">No Tenders Found</h4>
            <p class="text-muted">
                @if(request()->hasAny(['search', 'status', 'deadline_filter', 'bidding_status']))
                    No tenders match your current filters. Try adjusting your search criteria.
                @else
                    Get started by creating your first tender.
                @endif
            </p>
            @can('create', App\Models\Tender::class)
                <a href="{{ route('tenders.create') }}" class="btn btn-primary">
                    <i class="bi bi-plus-lg me-1"></i>Create First Tender
                </a>
            @endcan
        </div>
    @endif
</div>
@endsection