<?php

namespace App\Livewire;

use Livewire\Component;
use Livewire\Attributes\Layout;
use App\Models\User;
use App\Models\Company;
use Spatie\Permission\Models\Role;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Illuminate\Validation\Rules\Password;

#[Layout('layouts.app')]
class UserForm extends Component
{
    public ?User $user = null;

    // Información personal
    public string $title     = '';
    public string $lastName  = '';
    public string $firstName = '';

    // Validación
    public string $userStatus = 'active';
    public string $validFrom  = '';
    public string $validUntil = '';
    public string $formPassword = '';

    // Contacto
    public ?int   $companyId = null;
    public string $address   = '';
    public string $phone     = '';
    public string $email     = '';

    // Permisos
    public string $formRole = '';

    // Notas
    public string $notes = '';

    // Catálogos
    public $roles;
    public $companies;

    public function mount(?User $user = null): void
    {
        if (!Auth::user()->hasRole('Admin')) abort(403);

        $this->roles     = Role::orderBy('name')->get();
        $this->companies = Company::where('estado', 'activo')->orderBy('name')->get();
        $this->formRole  = $this->roles->first()?->name ?? '';

        if ($user && $user->exists) {
            $this->user       = $user;
            $this->title      = $user->title      ?? '';
            $this->lastName   = $user->last_name  ?? '';
            $this->firstName  = $user->first_name ?? '';
            $this->userStatus = $user->status     ?? 'active';
            $this->validFrom  = $user->valid_from?->format('Y-m-d')  ?? '';
            $this->validUntil = $user->valid_until?->format('Y-m-d') ?? '';
            $this->companyId  = $user->company_id;
            $this->address    = $user->address ?? '';
            $this->phone      = $user->phone   ?? '';
            $this->email      = $user->email;
            $this->notes      = $user->notes   ?? '';
            $this->formRole   = $user->roles->first()?->name ?? $this->formRole;
        }
    }

    protected function rules(): array
    {
        $id    = $this->user?->id ?? 'NULL';
        $rules = [
            'lastName'   => 'required|string|max:100',
            'firstName'  => 'required|string|max:100',
            'title'      => 'nullable|string|max:20',
            'userStatus' => 'required|in:active,inactive,suspended',
            'validFrom'  => 'nullable|date',
            'validUntil' => 'nullable|date|after_or_equal:validFrom',
            'companyId'  => 'required|exists:companies,id',
            'address'    => 'nullable|string',
            'phone'      => 'nullable|string|max:30',
            'email'      => "required|email|max:255|unique:users,email,{$id}",
            'formRole'   => 'required|exists:roles,name',
        ];

        if (!$this->user) {
            $rules['formPassword'] = ['required', Password::min(8)->letters()->mixedCase()->numbers()];
        } elseif ($this->formPassword !== '') {
            $rules['formPassword'] = [Password::min(8)->letters()->mixedCase()->numbers()];
        }

        return $rules;
    }

    protected $validationAttributes = [
        'lastName'    => 'apellidos',
        'firstName'   => 'nombre',
        'userStatus'  => 'estado',
        'validFrom'   => 'fecha de inicio',
        'validUntil'  => 'fecha de fin',
        'companyId'   => 'empresa',
        'formPassword'=> 'contraseña',
        'formRole'    => 'rol',
    ];

    public function copyCompanyAddress(): void
    {
        if (!$this->companyId) return;
        $company = Company::find($this->companyId);
        if ($company?->address) {
            $this->address = $company->address;
        }
    }

    public function save(): void
    {
        $this->validate();

        if ($this->user && $this->user->id === Auth::id()
            && $this->user->hasRole('Admin') && $this->formRole !== 'Admin') {
            $this->addError('formRole', 'No puedes quitarte el rol Admin a ti mismo.');
            return;
        }

        $fullName = trim($this->firstName . ' ' . $this->lastName);

        $data = [
            'name'       => $fullName,
            'title'      => $this->title      ?: null,
            'first_name' => $this->firstName,
            'last_name'  => $this->lastName,
            'status'     => $this->userStatus,
            'valid_from' => $this->validFrom  ?: null,
            'valid_until'=> $this->validUntil ?: null,
            'company_id' => $this->companyId,
            'address'    => $this->address    ?: null,
            'phone'      => $this->phone      ?: null,
            'email'      => $this->email,
            'notes'      => $this->notes      ?: null,
        ];

        if ($this->formPassword !== '') {
            $data['password'] = Hash::make($this->formPassword);
        }

        if ($this->user && $this->user->exists) {
            $this->user->update($data);
            $this->user->syncRoles([$this->formRole]);
            session()->flash('notify', 'Usuario actualizado correctamente.');
        } else {
            $user = User::create($data);
            $user->assignRole($this->formRole);
            session()->flash('notify', 'Usuario creado correctamente.');
        }

        $this->redirect(route('admin.users'), navigate: true);
    }

    public function render()
    {
        return view('livewire.user-form');
    }
}