<?php

namespace App\Http\Controllers\Web;

use App\Http\Controllers\Controller;
use App\Models\PerformanceCycle;
use App\Services\AuditService;
use App\Services\Hr\PerformanceCycleService;
use App\Support\FormTextRules;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;

class PerformanceCycleController extends Controller
{
    public function __construct(
        protected PerformanceCycleService $cycleService,
        protected AuditService $audit
    ) {}

    public function index()
    {
        $cycles = PerformanceCycle::withCount(['reviews', 'goals'])
            ->orderByDesc('start_date')
            ->paginate(15);

        return view('performance.cycles.index', compact('cycles'));
    }

    public function create()
    {
        return view('performance.cycles.create');
    }

    public function store(Request $request)
    {
        $companyId = Auth::user()?->company_id;
        $validated = $request->validate([
            'name' => FormTextRules::notNumericOnly(true, 191),
            'start_date' => 'required|date',
            'end_date' => 'required|date|after_or_equal:start_date',
            'description' => FormTextRules::notNumericOnly(false, 2000),
        ], FormTextRules::messages());

        $cycle = PerformanceCycle::create(array_merge($validated, [
            'company_id' => $companyId,
            'status' => PerformanceCycle::STATUS_DRAFT,
            'created_by' => Auth::id(),
        ]));

        $this->audit->log('performance_cycle.created', $cycle);

        return redirect()->route('performance-cycles.show', $cycle)->with('success', 'Performance cycle created.');
    }

    public function show(PerformanceCycle $performanceCycle)
    {
        $performanceCycle->loadCount(['reviews', 'goals']);
        $pendingReviews = $performanceCycle->reviews()->where('status', 'pending')->count();
        $completedReviews = $performanceCycle->reviews()->where('status', 'completed')->count();

        return view('performance.cycles.show', [
            'cycle' => $performanceCycle,
            'pendingReviews' => $pendingReviews,
            'completedReviews' => $completedReviews,
        ]);
    }

    public function edit(PerformanceCycle $performanceCycle)
    {
        abort_unless($performanceCycle->isEditable(), 403);

        return view('performance.cycles.edit', ['cycle' => $performanceCycle]);
    }

    public function update(Request $request, PerformanceCycle $performanceCycle)
    {
        abort_unless($performanceCycle->isEditable(), 403);

        $validated = $request->validate([
            'name' => FormTextRules::notNumericOnly(true, 191),
            'start_date' => 'required|date',
            'end_date' => 'required|date|after_or_equal:start_date',
            'description' => FormTextRules::notNumericOnly(false, 2000),
        ], FormTextRules::messages());

        $performanceCycle->update($validated);

        return redirect()->route('performance-cycles.show', $performanceCycle)->with('success', 'Cycle updated.');
    }

    public function launch(PerformanceCycle $performanceCycle)
    {
        try {
            $this->cycleService->launch($performanceCycle, (int) Auth::id());
        } catch (\RuntimeException $e) {
            return back()->with('error', $e->getMessage());
        }

        return back()->with('success', 'Cycle launched. Pending reviews created for all active employees.');
    }

    public function close(PerformanceCycle $performanceCycle)
    {
        try {
            $this->cycleService->close($performanceCycle, (int) Auth::id());
        } catch (\RuntimeException $e) {
            return back()->with('error', $e->getMessage());
        }

        return back()->with('success', 'Cycle closed.');
    }

    public function destroy(PerformanceCycle $performanceCycle)
    {
        abort_unless($performanceCycle->isEditable(), 403);
        $performanceCycle->delete();

        return redirect()->route('performance-cycles.index')->with('success', 'Cycle deleted.');
    }
}