<?php

use App\Enums\ConsultationStatus;
use App\Enums\ConsultationType;
use App\Enums\PaymentStatus;
use App\Mail\GuestBookingApprovedMail;
use App\Mail\GuestBookingRejectedMail;
use App\Models\AdminLog;
use App\Models\Consultation;
use App\Notifications\BookingApproved;
use App\Notifications\BookingRejected;
use App\Services\CalendarService;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Livewire\Volt\Component;
use Livewire\WithPagination;

new class extends Component
{
    use WithPagination;

    public string $dateFrom = '';
    public string $dateTo = '';

    // Quick approve modal state
    public bool $showApproveModal = false;
    public ?int $approvingBookingId = null;
    public string $consultationType = 'free';
    public ?string $paymentAmount = null;
    public string $paymentInstructions = '';

    public function updatedDateFrom(): void
    {
        $this->resetPage();
    }

    public function updatedDateTo(): void
    {
        $this->resetPage();
    }

    public function clearFilters(): void
    {
        $this->dateFrom = '';
        $this->dateTo = '';
        $this->resetPage();
    }

    public function openApproveModal(int $id): void
    {
        $this->approvingBookingId = $id;
        $this->consultationType = 'free';
        $this->paymentAmount = null;
        $this->paymentInstructions = '';
        $this->showApproveModal = true;
    }

    public function quickApprove(): void
    {
        $consultation = Consultation::with('user')->findOrFail($this->approvingBookingId);

        if ($consultation->status !== ConsultationStatus::Pending) {
            session()->flash('error', __('admin.booking_already_processed'));
            $this->showApproveModal = false;

            return;
        }

        $this->validate([
            'consultationType' => ['required', 'in:free,paid'],
            'paymentAmount' => ['required_if:consultationType,paid', 'nullable', 'numeric', 'min:0'],
            'paymentInstructions' => ['nullable', 'string', 'max:1000'],
        ]);

        $oldStatus = $consultation->status->value;
        $type = $this->consultationType === 'paid' ? ConsultationType::Paid : ConsultationType::Free;

        $consultation->update([
            'status' => ConsultationStatus::Approved,
            'consultation_type' => $type,
            'payment_amount' => $type === ConsultationType::Paid ? $this->paymentAmount : null,
            'payment_status' => $type === ConsultationType::Paid ? PaymentStatus::Pending : PaymentStatus::NotApplicable,
        ]);

        // Generate calendar file and send notification
        $icsContent = null;
        try {
            $calendarService = app(CalendarService::class);
            $icsContent = $calendarService->generateIcs($consultation);
        } catch (\Exception $e) {
            Log::error('Failed to generate calendar file', [
                'consultation_id' => $consultation->id,
                'error' => $e->getMessage(),
            ]);
        }

        // Send appropriate notification/email based on guest/client
        if ($consultation->isGuest()) {
            Mail::to($consultation->guest_email)->queue(
                new GuestBookingApprovedMail(
                    $consultation,
                    app()->getLocale(),
                    $this->paymentInstructions ?: null
                )
            );
        } elseif ($consultation->user) {
            $consultation->user->notify(
                new BookingApproved($consultation, $icsContent ?? '', $this->paymentInstructions ?: null)
            );
        }

        // Log action
        AdminLog::create([
            'admin_id' => auth()->id(),
            'action' => 'approve',
            'target_type' => 'consultation',
            'target_id' => $consultation->id,
            'old_values' => ['status' => $oldStatus],
            'new_values' => [
                'status' => ConsultationStatus::Approved->value,
                'consultation_type' => $type->value,
                'payment_amount' => $this->paymentAmount,
            ],
            'ip_address' => request()->ip(),
            'created_at' => now(),
        ]);

        $this->showApproveModal = false;
        session()->flash('success', __('admin.booking_approved'));
    }

    public function quickReject(int $id): void
    {
        $consultation = Consultation::with('user')->findOrFail($id);

        if ($consultation->status !== ConsultationStatus::Pending) {
            session()->flash('error', __('admin.booking_already_processed'));

            return;
        }

        $oldStatus = $consultation->status->value;

        $consultation->update([
            'status' => ConsultationStatus::Rejected,
        ]);

        // Send appropriate notification/email based on guest/client
        if ($consultation->isGuest()) {
            Mail::to($consultation->guest_email)->queue(
                new GuestBookingRejectedMail(
                    $consultation,
                    app()->getLocale(),
                    null
                )
            );
        } elseif ($consultation->user) {
            $consultation->user->notify(
                new BookingRejected($consultation, null)
            );
        }

        // Log action
        AdminLog::create([
            'admin_id' => auth()->id(),
            'action' => 'reject',
            'target_type' => 'consultation',
            'target_id' => $consultation->id,
            'old_values' => ['status' => $oldStatus],
            'new_values' => [
                'status' => ConsultationStatus::Rejected->value,
            ],
            'ip_address' => request()->ip(),
            'created_at' => now(),
        ]);

        session()->flash('success', __('admin.booking_rejected'));
    }

    public function with(): array
    {
        return [
            'bookings' => Consultation::query()
                ->where('status', ConsultationStatus::Pending)
                ->when($this->dateFrom, fn ($q) => $q->where('booking_date', '>=', $this->dateFrom))
                ->when($this->dateTo, fn ($q) => $q->where('booking_date', '<=', $this->dateTo))
                ->with('user:id,full_name,email,phone,user_type')
                ->orderBy('booking_date')
                ->orderBy('booking_time')
                ->paginate(15),
        ];
    }
}; ?>

<div class="max-w-6xl mx-auto">
    <div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4 mb-6">
        <flux:heading size="xl">{{ __('admin.pending_bookings') }}</flux:heading>
    </div>

    @if(session('success'))
        <flux:callout variant="success" class="mb-6">
            {{ session('success') }}
        </flux:callout>
    @endif

    @if(session('error'))
        <flux:callout variant="danger" class="mb-6">
            {{ session('error') }}
        </flux:callout>
    @endif

    <!-- Filters -->
    <div class="bg-white rounded-lg p-4 border border-zinc-200 mb-6">
        <div class="flex flex-col sm:flex-row gap-4 items-end">
            <flux:field class="flex-1">
                <flux:label>{{ __('admin.date_from') }}</flux:label>
                <flux:input type="date" wire:model.live="dateFrom" />
            </flux:field>

            <flux:field class="flex-1">
                <flux:label>{{ __('admin.date_to') }}</flux:label>
                <flux:input type="date" wire:model.live="dateTo" />
            </flux:field>

            @if($dateFrom || $dateTo)
                <flux:button wire:click="clearFilters" variant="outline">
                    {{ __('common.clear') }}
                </flux:button>
            @endif
        </div>
    </div>

    <!-- Bookings List -->
    <div class="space-y-4">
        @forelse($bookings as $booking)
            <div wire:key="booking-{{ $booking->id }}" class="bg-white rounded-lg p-4 border border-zinc-200">
                <div class="flex flex-col lg:flex-row lg:items-start justify-between gap-4">
                    <!-- Booking Info -->
                    <div class="flex-1">
                        <div class="flex items-center gap-3 mb-2">
                            @if($booking->isGuest())
                                <flux:badge color="amber" size="sm">{{ __('admin.guest') }}</flux:badge>
                            @endif
                            <span class="font-semibold text-zinc-900">
                                {{ $booking->getClientName() }}
                            </span>
                            <flux:badge color="amber" size="sm">
                                {{ $booking->status->label() }}
                            </flux:badge>
                        </div>

                        <div class="grid grid-cols-1 sm:grid-cols-2 gap-2 text-sm text-zinc-600">
                            <div class="flex items-center gap-2">
                                <flux:icon name="calendar" class="w-4 h-4" />
                                {{ \Carbon\Carbon::parse($booking->booking_date)->translatedFormat('l, d M Y') }}
                            </div>
                            <div class="flex items-center gap-2">
                                <flux:icon name="clock" class="w-4 h-4" />
                                {{ \Carbon\Carbon::parse($booking->booking_time)->format('g:i A') }}
                            </div>
                            <div class="flex items-center gap-2">
                                <flux:icon name="envelope" class="w-4 h-4" />
                                <a href="mailto:{{ $booking->getClientEmail() }}" class="hover:underline">
                                    {{ $booking->getClientEmail() }}
                                </a>
                            </div>
                            <div class="flex items-center gap-2">
                                <flux:icon name="document-text" class="w-4 h-4" />
                                {{ __('admin.submitted') }}: {{ $booking->created_at->translatedFormat('d M Y') }}
                            </div>
                        </div>

                        <p class="mt-3 text-sm text-zinc-600 line-clamp-2">
                            {{ Str::limit($booking->problem_summary, 150) }}
                        </p>
                    </div>

                    <!-- Actions -->
                    <div class="flex flex-wrap gap-2 lg:flex-col">
                        <flux:button
                            href="{{ route('admin.bookings.review', $booking) }}"
                            variant="primary"
                            size="sm"
                            wire:navigate
                        >
                            {{ __('admin.review') }}
                        </flux:button>

                        <flux:button
                            wire:click="openApproveModal({{ $booking->id }})"
                            variant="outline"
                            size="sm"
                            class="!bg-emerald-600 !text-white hover:!bg-emerald-700"
                        >
                            {{ __('admin.quick_approve') }}
                        </flux:button>

                        <flux:button
                            wire:click="quickReject({{ $booking->id }})"
                            wire:confirm="{{ __('admin.confirm_quick_reject') }}"
                            variant="danger"
                            size="sm"
                        >
                            {{ __('admin.quick_reject') }}
                        </flux:button>
                    </div>
                </div>
            </div>
        @empty
            <div class="text-center py-12 text-zinc-500 bg-white rounded-lg border border-zinc-200">
                <flux:icon name="inbox" class="w-12 h-12 mx-auto mb-4" />
                <p>{{ __('admin.no_pending_bookings') }}</p>
            </div>
        @endforelse
    </div>

    <div class="mt-6">
        {{ $bookings->links() }}
    </div>

    <!-- Approve Modal -->
    <flux:modal wire:model="showApproveModal">
        <div class="space-y-6">
            <flux:heading size="lg">{{ __('admin.approve_booking') }}</flux:heading>

            <!-- Consultation Type -->
            <flux:field>
                <flux:label>{{ __('admin.consultation_type') }}</flux:label>
                <flux:radio.group wire:model.live="consultationType">
                    <flux:radio value="free" label="{{ __('admin.free_consultation') }}" />
                    <flux:radio value="paid" label="{{ __('admin.paid_consultation') }}" />
                </flux:radio.group>
            </flux:field>

            <!-- Payment Amount (if paid) -->
            @if($consultationType === 'paid')
                <flux:field>
                    <flux:label>{{ __('admin.payment_amount') }} *</flux:label>
                    <flux:input
                        type="number"
                        wire:model="paymentAmount"
                        step="0.01"
                        min="0"
                    />
                    <flux:error name="paymentAmount" />
                </flux:field>

                <flux:field>
                    <flux:label>{{ __('admin.payment_instructions') }}</flux:label>
                    <flux:textarea
                        wire:model="paymentInstructions"
                        rows="3"
                        placeholder="{{ __('admin.payment_instructions_placeholder') }}"
                    />
                </flux:field>
            @endif

            <div class="flex gap-3 justify-end">
                <flux:button wire:click="$set('showApproveModal', false)">
                    {{ __('common.cancel') }}
                </flux:button>
                <flux:button variant="primary" wire:click="quickApprove">
                    {{ __('admin.approve') }}
                </flux:button>
            </div>
        </div>
    </flux:modal>
</div>