<?php

namespace App\Http\Controllers\Supervisor;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Supervisor\Concerns\ScopesSupervisorResources;
use App\Models\Machine;
use App\Models\MachineEvent;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Inertia\Response;

class MachinePageController extends Controller
{
    use ScopesSupervisorResources;

    public function index(Request $request): Response
    {
        $query = Machine::query()
            ->with('establishment:id,name,uuid');

        $this->scopeEstablishmentQuery($query);

        if ($request->filled('status')) {
            $query->where('status', $request->string('status'));
        }

        if ($request->filled('type')) {
            $query->where('type', $request->string('type'));
        }

        if ($request->filled('search')) {
            $search = $request->string('search');
            $query->where(function ($query) use ($search) {
                $query->where('name', 'like', "%{$search}%")
                    ->orWhere('qr_code', 'like', "%{$search}%");
            });
        }

        $machines = $query
            ->orderBy('name')
            ->paginate(20)
            ->withQueryString()
            ->through(fn (Machine $machine) => $this->formatMachineListItem($machine));

        return Inertia::render('Supervisor/Machines/Index', [
            'machines' => $machines,
            'filters' => [
                'status' => $request->string('status')->toString() ?: null,
                'type' => $request->string('type')->toString() ?: null,
                'search' => $request->string('search')->toString() ?: null,
            ],
            'statusOptions' => $this->statusOptions(),
            'typeOptions' => $this->typeOptions(),
        ]);
    }

    public function show(string $uuid): Response
    {
        $query = Machine::query()->where('uuid', $uuid);
        $this->scopeEstablishmentQuery($query);

        $machine = $query
            ->with(['establishment:id,name,uuid,address,city', 'machineIntegration', 'currentUser:id,first_name,last_name,email'])
            ->firstOrFail();

        $recentEvents = MachineEvent::query()
            ->where('machine_id', $machine->id)
            ->orderByDesc('occurred_at')
            ->limit(20)
            ->get()
            ->map(fn (MachineEvent $event) => [
                'event_type' => $event->event_type,
                'event_type_label' => $this->eventTypeLabel($event->event_type),
                'occurred_at' => $event->occurred_at?->toIso8601String(),
                'processing_status' => $event->processing_status,
            ]);

        return Inertia::render('Supervisor/Machines/Show', [
            'machine' => [
                'uuid' => $machine->uuid,
                'name' => $machine->name,
                'type' => $machine->type,
                'type_label' => $this->typeLabel($machine->type),
                'qr_code' => $machine->qr_code,
                'status' => $machine->status,
                'status_label' => $this->statusLabel($machine->status),
                'cycle_started_at' => $machine->cycle_started_at?->toIso8601String(),
                'cycle_ends_at' => $machine->cycle_ends_at?->toIso8601String(),
                'last_heartbeat_at' => $machine->last_heartbeat_at?->toIso8601String(),
                'establishment' => $machine->establishment ? [
                    'uuid' => $machine->establishment->uuid,
                    'name' => $machine->establishment->name,
                    'address' => $machine->establishment->address,
                    'city' => $machine->establishment->city,
                ] : null,
                'current_user' => $machine->currentUser ? [
                    'name' => trim($machine->currentUser->first_name.' '.$machine->currentUser->last_name),
                    'email' => $machine->currentUser->email,
                ] : null,
                'integration' => $machine->machineIntegration ? [
                    'provider' => $machine->machineIntegration->provider,
                    'mode' => $machine->machineIntegration->mode,
                    'is_active' => $machine->machineIntegration->is_active,
                ] : null,
            ],
            'recentEvents' => $recentEvents,
        ]);
    }

    /**
     * @return array<string, mixed>
     */
    private function formatMachineListItem(Machine $machine): array
    {
        return [
            'uuid' => $machine->uuid,
            'name' => $machine->name,
            'type' => $machine->type,
            'type_label' => $this->typeLabel($machine->type),
            'status' => $machine->status,
            'status_label' => $this->statusLabel($machine->status),
            'establishment_name' => $machine->establishment?->name,
            'last_heartbeat_at' => $machine->last_heartbeat_at?->toIso8601String(),
        ];
    }

    /**
     * @return array<string, string>
     */
    private function statusOptions(): array
    {
        return [
            'available' => 'Disponible',
            'reserved' => 'Réservée',
            'running' => 'En cours',
            'maintenance' => 'Maintenance',
            'offline' => 'Hors ligne',
            'error' => 'Erreur',
        ];
    }

    /**
     * @return array<string, string>
     */
    private function typeOptions(): array
    {
        return [
            'washer_small' => 'Lave-linge petit',
            'washer_large' => 'Lave-linge grand',
            'dryer_small' => 'Sèche-linge petit',
            'dryer_large' => 'Sèche-linge grand',
        ];
    }

    private function statusLabel(string $status): string
    {
        return $this->statusOptions()[$status] ?? $status;
    }

    private function typeLabel(string $type): string
    {
        return $this->typeOptions()[$type] ?? $type;
    }

    private function eventTypeLabel(string $type): string
    {
        return match ($type) {
            'heartbeat' => 'Signal de vie',
            'machine_online' => 'En ligne',
            'machine_offline' => 'Hors ligne',
            'cycle_started' => 'Cycle démarré',
            'cycle_completed' => 'Cycle terminé',
            'cycle_failed' => 'Cycle échoué',
            'error_reported' => 'Erreur signalée',
            'status_changed' => 'Changement de statut',
            default => $type,
        };
    }
}