<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Employee;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;
use Illuminate\Validation\Rule;
use Inertia\Inertia;

class UserController extends Controller
{
    public function index(Request $request)
    {
        $query = User::select('id', 'name', 'email', 'role', 'created_at');
        if ($request->search) {
            $query->where(function ($q) use ($request) {
                $q->where('name', 'like', '%' . $request->search . '%')
                  ->orWhere('email', 'like', '%' . $request->search . '%');
            });
        }
        if ($request->role) {
            $query->where('role', $request->role);
        }
        return Inertia::render('admin/users/index', [
            'users'   => $query->latest()->get(),
            'filters' => $request->only(['search', 'role']),
        ]);
    }

    public function create()
    {
        // Filter employee tanpa akun
        $employees = Employee::whereDoesntHave('user')
            ->orderBy('name')
            ->get()
            ->map(fn($e) => [
                'id'       => $e->id,
                'name'     => $e->name,
                'nip'      => $e->nip,
                'position' => $e->position?->name ?? '-',
            ]);

        return Inertia::render('admin/users/create', [
            'employees' => $employees,
        ]);
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'employee_id' => [
                'required',
                'exists:employees,id',
                'unique:users,employee_id',
            ],
            'email' => 'required|email|max:255|unique:users,email',
            'role'  => ['required', Rule::in(['admin', 'employee'])],
        ], [
            'employee_id.required' => 'Karyawan wajib dipilih.',
            'employee_id.exists'   => 'Karyawan tidak ditemukan.',
            'employee_id.unique'   => 'Karyawan ini sudah memiliki akun.',
            'email.required'       => 'Email wajib diisi.',
            'email.email'          => 'Format email tidak valid.',
            'email.unique'         => 'Email sudah terdaftar.',
            'role.required'        => 'Role wajib dipilih.',
            'role.in'              => 'Role hanya boleh admin atau employee.',
        ]);

        $employee = Employee::findOrFail($validated['employee_id']);

        $user = User::create([
            'name'        => $employee->name,
            'email'       => $validated['email'],
            'password'    => Hash::make('password'),
            'role'        => $validated['role'],
            'employee_id' => $employee->id,
        ]);

        $employee->update(['user_id' => $user->id]);

        return redirect()->route('admin.users.index')
            ->with('success', "Akun untuk {$employee->name} berhasil dibuat.");
    }

    public function update(Request $request, User $user)
    {
        $validated = $request->validate([
            'role' => ['required', Rule::in(['admin', 'employee'])],
        ], [
            'role.required' => 'Role wajib dipilih.',
            'role.in' => 'Role hanya boleh admin atau employee.',
        ]);

        $user->update($validated);

        return back()->with('success', "Role {$user->name} berhasil diubah.");
    }
}