<?php

namespace App\Http\Controllers\Admin\Finance;

use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\Finance\SalaryAdjustmentRequest;
use App\Models\Payroll;
use Carbon\Carbon;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Artisan;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Inertia\Inertia;
use Inertia\Response;
use Throwable;

class PayrollController extends Controller
{
    public function index(): Response
    {
        $currentMonth = Carbon::now()->format('Y-m');

        return Inertia::render('admin/finance/payroll/index', [
            'payrolls' => Payroll::with(['user.profile', 'adjustments'])
                ->where('period_month', '!=', $currentMonth)
                ->latest()
                ->get(),
            'currentMonthPayrolls' => Payroll::with(['user.profile', 'adjustments'])
                ->where('period_month', $currentMonth)
                ->get(),
        ]);
    }

    public function generate(): RedirectResponse
    {
        Artisan::call('payroll:generate');

        $output = Artisan::output();

        return redirect()->back()->with('success', $output ?: 'Proses generate selesai.');
    }

    public function update(SalaryAdjustmentRequest $request, Payroll $payroll): RedirectResponse
    {
        $validated = $request->validated();

        try {
            DB::transaction(function () use ($payroll, $validated) {
                $payroll->adjustments()->delete();

                $totalBonus = 0;
                $totalDeduction = 0;

                if (isset($validated['adjustments'])) {
                    foreach ($validated['adjustments'] as $adj) {
                        $payroll->adjustments()->create([
                            'type' => $adj['type'],
                            'amount' => $adj['amount'],
                            'description' => $adj['description'],
                        ]);

                        if ($adj['type'] === 'bonus') {
                            $totalBonus += $adj['amount'];
                        } else {
                            $totalDeduction += $adj['amount'];
                        }
                    }
                }

                $payroll->update([
                    'bonus' => $totalBonus,
                    'deduction' => $totalDeduction,
                    'total_salary' => $payroll->base_salary + $totalBonus - $totalDeduction,
                ]);
            });
        } catch (Throwable $e) {
            Log::error('Payroll update failed', [
                'payroll_id' => $payroll->id,
                'error' => $e->getMessage(),
            ]);

            return back()->withInput()->with('error', 'Gagal memperbarui data. Silakan coba lagi.');
        }

        return redirect()->back()->with('success', 'Data berhasil diperbarui');
    }

    public function togglePaid(Payroll $payroll): RedirectResponse
    {
        $payroll->update([
            'is_paid' => ! $payroll->is_paid,
            'paid_at' => ! $payroll->is_paid ? Carbon::now() : null,
        ]);

        return redirect()->back()->with('success', 'Status pembayaran berhasil diubah');
    }

    public function destroy(Payroll $payroll): RedirectResponse
    {
        $payroll->delete();

        return redirect()->back()->with('success', 'Data berhasil dihapus');
    }

    public function bulkDestroy(Request $request): RedirectResponse
    {
        $ids = $request->input('ids');

        Payroll::whereIn('id', $ids)->delete();

        return redirect()->back()->with('success', 'Data terpilih berhasil dihapus');
    }
}