<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\User;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;
use Illuminate\View\View;

class UserController extends Controller
{
    public function index(Request $request): View
    {
        $query = User::query();

        if ($request->filled('search')) {
            $search = $request->search;
            $query->where(function ($q) use ($search) {
                $q->where('name', 'like', "%{$search}%")
                  ->orWhere('username', 'like', "%{$search}%")
                  ->orWhere('email', 'like', "%{$search}%");
            });
        }

        if ($request->filled('role')) {
            $role = $request->role;
            $query->where(function ($q) use ($role) {
                $q->where('role', $role)
                  ->orWhereJsonContains('roles', $role);
            });
        }

        $users = $query->orderBy('name')->paginate(20);

        return view('users.index', compact('users'));
    }

    public function store(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'username' => ['required', 'string', 'max:255', 'unique:users,username'],
            'email' => ['required', 'string', 'email', 'max:255', 'unique:users,email'],
            'password' => ['required', 'string', 'min:6'],
            'roles' => ['required', 'array', 'min:1'],
            'roles.*' => ['in:admin,bk,wali_kelas,staff,other,kepala_sekolah,waka_kesiswaan,ketua_tim'],
            'is_active' => ['boolean'],
        ]);

        $roles = array_values(array_unique($validated['roles']));
        $validated['roles'] = $roles;
        $validated['role'] = $roles[0];
        $validated['password'] = Hash::make($validated['password']);
        $validated['is_active'] = $request->boolean('is_active', true);

        User::create($validated);

        return redirect()->route('users.index')
            ->with('success', 'User berhasil ditambahkan.');
    }

    public function update(Request $request, User $user): RedirectResponse
    {
        $validated = $request->validate([
            'name' => ['required', 'string', 'max:255'],
            'username' => ['required', 'string', 'max:255', 'unique:users,username,' . $user->id],
            'email' => ['required', 'string', 'email', 'max:255', 'unique:users,email,' . $user->id],
            'password' => ['nullable', 'string', 'min:6'],
            'roles' => ['required', 'array', 'min:1'],
            'roles.*' => ['in:admin,bk,wali_kelas,staff,other,kepala_sekolah,waka_kesiswaan,ketua_tim'],
            'is_active' => ['boolean'],
        ]);

        $roles = array_values(array_unique($validated['roles']));
        $validated['roles'] = $roles;
        $validated['role'] = $roles[0];

        if (!empty($validated['password'])) {
            $validated['password'] = Hash::make($validated['password']);
        } else {
            unset($validated['password']);
        }

        $validated['is_active'] = $request->boolean('is_active', true);

        $user->update($validated);

        return redirect()->route('users.index')
            ->with('success', 'User berhasil diperbarui.');
    }

    public function destroy(User $user): RedirectResponse
    {
        if ($user->id === auth()->id()) {
            return back()->with('error', 'Tidak bisa menghapus akun sendiri.');
        }

        $user->delete();

        return redirect()->route('users.index')
            ->with('success', 'User berhasil dihapus.');
    }

    public function resetPassword(Request $request, User $user): RedirectResponse
    {
        if ($user->id === auth()->id() && $user->isAdmin()) {
            return back()->with('error', 'Ganti password admin lewat profil.');
        }

        $validated = $request->validate([
            'new_password' => ['required', 'string', 'min:6'],
        ]);

        $user->update([
            'password' => Hash::make($validated['new_password']),
        ]);

        return redirect()->route('users.index')
            ->with('success', 'Password untuk ' . $user->name . ' berhasil direset.');
    }
}