<?php

namespace App\Components\Role;

use Livewire\Component;
use Livewire\Attributes\On;
use Livewire\WithPagination;
use Spatie\Permission\Models\Role;
use Spatie\Permission\Models\Permission;

class Manager extends Component
{
    use WithPagination;

    public array   $perPageOptions      = [5, 10, 25, 50, 100];
    public int     $perPage             = 10;
    protected string $paginationTheme   = 'bootstrap';
    public string  $mode                = 'index';
    public ?int    $editingId           = null;
    public string  $search              = '';
    public string  $name                = '';

    public array   $allPermissions      = [];
    public array   $assignedPermissions = [];

    public function mount()
    {
        $this->allPermissions = Permission::orderBy('name')
            ->get(['id', 'name'])
            ->toArray();
    }

    public function updatedPerPage(int $value): void
    {
        $this->resetPage();
    }

    #[On('roleSaved')]
    public function showIndex(): void
    {
        $this->mode                = 'index';
        $this->resetPage();
        $this->name                = '';
        $this->editingId           = null;
        $this->assignedPermissions = [];
    }

    public function updatedSearch(string $value): void
    {
        $this->resetPage();
    }

    public function showForm(?int $id = null): void
    {
        $this->mode      = 'form';
        $this->editingId = $id;

        if ($id) {
            $role = Role::findOrFail($id);
            $this->name                = $role->name;
            $this->assignedPermissions = $role
                ->permissions
                ->pluck('id')
                ->toArray();
        } else {
            $this->name                = '';
            $this->assignedPermissions = [];
        }
    }

    /**
     * Delete a role by its ID.
     */
    public function delete(int $id): void
    {
        Role::findOrFail($id)->delete();
        session()->flash('message', 'Role deleted.');
        $this->resetPage();
    }

    public function save(): void
    {
        $uniqueRule = 'unique:roles,name'
            . ($this->editingId ? ',' . $this->editingId : '');

        $this->validate([
            'name'                  => "required|string|{$uniqueRule}",
            'assignedPermissions.*' => 'integer|exists:permissions,id',
        ]);

        $role = Role::updateOrCreate(
            ['id'   => $this->editingId],
            ['name' => $this->name]
        );

        // Sync permissions theo ID
        $role->permissions()->sync($this->assignedPermissions);

        session()->flash('message', 'Role saved.');
        $this->dispatch('roleSaved');
    }

    protected function computeTitle(): string
    {
        if ($this->mode === 'index') {
            return 'Roles';
        }

        if ($this->mode === 'form' && $this->editingId) {
            return "Edit Role: {$this->name}";
        }

        return 'Create Role';
    }

    public function getTitleProperty(): string
    {
        return $this->computeTitle();
    }

    public function render()
    {
        $roles = Role::with('permissions')                // ← Eager-load permissions
            ->when($this->search, fn($q) => $q->where('name', 'like', "%{$this->search}%"))
            ->orderByDesc('id')
            ->paginate($this->perPage);

        return view('components.role.manager', [
            'roles' => $roles,
            'title' => $this->title,
        ]);
    }
}