<?php

namespace Modules\ShopFloor\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Modules\ShopFloor\Models\DowntimeEvent;
use Modules\ShopFloor\Models\WorkCenter;

class DowntimeController extends Controller
{
    public function index(Request $request)
    {
        if (! auth()->user()->can('shopfloor.view')) {
            abort(403);
        }

        $business_id = $request->session()->get('user.business_id');
        $events = DowntimeEvent::forBusiness($business_id)
            ->with('workCenter')
            ->latest('started_at')
            ->paginate(20);

        $workCenters = WorkCenter::forBusiness($business_id)->where('status', 'active')->orderBy('name')->pluck('name', 'id');

        return view('shopfloor::downtime.index', compact('events', 'workCenters'));
    }

    public function store(Request $request)
    {
        if (! auth()->user()->can('shopfloor.downtime.create')) {
            abort(403);
        }

        $business_id = $request->session()->get('user.business_id');
        $validated = $request->validate([
            'work_center_id' => 'required|integer|exists:sf_work_centers,id',
            'reason_code' => 'required|string|max:50',
            'reason_category' => 'required|in:planned,unplanned',
            'started_at' => 'required|date',
            'ended_at' => 'nullable|date|after_or_equal:started_at',
            'notes' => 'nullable|string',
        ]);

        $startedAt = \Carbon\Carbon::parse($validated['started_at']);
        $endedAt = ! empty($validated['ended_at']) ? \Carbon\Carbon::parse($validated['ended_at']) : null;
        $durationMinutes = $endedAt ? $startedAt->diffInMinutes($endedAt) : null;

        DowntimeEvent::create([
            'business_id' => $business_id,
            'work_center_id' => $validated['work_center_id'],
            'reason_code' => $validated['reason_code'],
            'reason_category' => $validated['reason_category'],
            'started_at' => $startedAt,
            'ended_at' => $endedAt,
            'duration_minutes' => $durationMinutes,
            'notes' => $validated['notes'] ?? null,
        ]);

        return redirect()->action([self::class, 'index'])->with('status', ['success' => 1, 'msg' => __('shopfloor::lang.downtime_recorded')]);
    }

    public function end(Request $request, $id)
    {
        if (! auth()->user()->can('shopfloor.downtime.create')) {
            abort(403);
        }

        $business_id = $request->session()->get('user.business_id');
        $event = DowntimeEvent::forBusiness($business_id)->whereNull('ended_at')->findOrFail($id);

        $endedAt = now();
        $event->update([
            'ended_at' => $endedAt,
            'duration_minutes' => $event->started_at->diffInMinutes($endedAt),
        ]);

        return redirect()->action([self::class, 'index'])->with('status', ['success' => 1, 'msg' => __('shopfloor::lang.downtime_ended')]);
    }
}