<?php

namespace Modules\QualityManagement\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Modules\QualityManagement\Models\CalibrationAsset;
use Modules\QualityManagement\Models\CalibrationRecord;

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

        $business_id = $request->session()->get('user.business_id');
        $assets = CalibrationAsset::forBusiness($business_id)->orderBy('next_due_at')->paginate(20);

        return view('qualitymanagement::calibration.index', compact('assets'));
    }

    public function storeAsset(Request $request)
    {
        if (! auth()->user()->can('qms.calibration.create')) {
            abort(403);
        }

        $business_id = $request->session()->get('user.business_id');
        $validated = $request->validate([
            'asset_tag' => 'required|string|max:50',
            'name' => 'required|string|max:255',
            'calibration_interval_days' => 'required|integer|min:1',
            'maintenance_equipment_id' => 'nullable|integer',
        ]);

        CalibrationAsset::create(array_merge($validated, [
            'business_id' => $business_id,
            'next_due_at' => now()->addDays((int) $validated['calibration_interval_days'])->toDateString(),
        ]));

        return redirect()->back()->with('status', ['success' => 1, 'msg' => __('qualitymanagement::lang.calibration_asset_created')]);
    }

    public function recordCalibration($id, Request $request)
    {
        if (! auth()->user()->can('qms.calibration.update')) {
            abort(403);
        }

        $business_id = $request->session()->get('user.business_id');
        $asset = CalibrationAsset::forBusiness($business_id)->findOrFail($id);
        $validated = $request->validate([
            'result' => 'required|in:pass,fail,adjusted',
            'certificate_no' => 'nullable|string|max:100',
            'performed_by' => 'nullable|string|max:255',
            'notes' => 'nullable|string',
        ]);

        $nextDue = now()->addDays($asset->calibration_interval_days)->toDateString();

        CalibrationRecord::create([
            'business_id' => $business_id,
            'calibration_asset_id' => $asset->id,
            'calibrated_at' => now()->toDateString(),
            'next_due_at' => $nextDue,
            ...$validated,
        ]);

        $asset->update([
            'last_calibrated_at' => now()->toDateString(),
            'next_due_at' => $nextDue,
            'status' => $validated['result'] === 'fail' ? 'overdue' : 'active',
        ]);

        return redirect()->back()->with('status', ['success' => 1, 'msg' => __('qualitymanagement::lang.calibration_recorded')]);
    }
}