<?php

namespace App\Livewire\Admin;

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

class Roles extends Component
{
    use WithPagination;

    public $users ;
    public $search = '';
    public $name = '';
    public bool $showCreateModal = false;
    public ?int $editingRoleId = null;
    public string $sortField = 'id';
    public string $sortDirection = 'asc';
    public $permissions = []; // 所有權限清單
    public $selectedPermissions = []; // 表單中選到的權限

    protected $rules = [
        'name' => 'required|string|max:255',
    ];

    protected $paginationTheme = 'tailwind';

    public function getRolesProperty()
    {
        return Role::where('name', 'like', "%{$this->search}%")
            ->orderBy($this->sortField, $this->sortDirection)
            ->paginate(10);
    }

    public function sortBy($field)
    {
        if ($this->sortField === $field) {
            $this->sortDirection = $this->sortDirection === 'asc' ? 'desc' : 'asc';
        } else {
            $this->sortField = $field;
            $this->sortDirection = 'asc';
        }
    }
    public function mount()
    {
        $this->permissions = Permission::all();
    }

    public function openCreateModal()
    {
        $this->resetFields();
        $this->showCreateModal = true;
    }

    public function openEditModal($id)
    {
        $role = Role::findOrFail($id);
        $this->editingRoleId = $role->id;
        $this->name = $role->name;
        $this->selectedPermissions = $role->permissions()->pluck('id')->toArray();
        $this->showCreateModal = true;
    }

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

        if ($this->editingRoleId) {
            $role = Role::findOrFail($this->editingRoleId);
            $role->update(['name' => $this->name]);
            $role->syncPermissions($this->selectedPermissions);
            session()->flash('message', '角色已更新');
        } else {
            $role = Role::create(['name' => $this->name]);
            $role->syncPermissions($this->selectedPermissions);
            session()->flash('message', '角色已新增');
        }

        $this->resetFields();
        $this->showCreateModal = false;
    }

    public function delete($id)
    {
        Role::findOrFail($id)->delete();
        session()->flash('message', '角色已刪除');
    }

    public function resetFields()
    {
        $this->name = '';
        $this->selectedPermissions = [];
        $this->editingRoleId = null;
    }

    public function render()
    {
        return view('livewire.admin.roles', [
            'roles' => $this->roles,
        ]);
    }
}