<?php

namespace App\Livewire\Admin;

use App\Models\Datacenter;
use Livewire\Attributes\Layout;
use Livewire\Attributes\Validate;
use Livewire\Component;

#[Layout('layouts.admin')]
class Datacenters extends Component
{
    #[Validate('required|string|max:8|alpha_dash|unique:datacenters,code')]
    public string $code = '';

    #[Validate('required|string|max:255')]
    public string $name = '';

    #[Validate('nullable|string|max:255')]
    public string $location = '';

    // Inline edit state (code is immutable once created — it is referenced by hosts).
    public ?string $editingUuid = null;

    public string $editName = '';

    public string $editLocation = '';

    public function edit(string $uuid): void
    {
        $this->authorize('datacenters.manage');
        $dc = Datacenter::query()->where('uuid', $uuid)->first();
        if ($dc === null) {
            return;
        }
        $this->editingUuid = $uuid;
        $this->editName = $dc->name;
        $this->editLocation = (string) $dc->location;
    }

    public function cancelEdit(): void
    {
        $this->reset('editingUuid', 'editName', 'editLocation');
    }

    public function update(): void
    {
        $this->authorize('datacenters.manage');
        if ($this->editingUuid === null) {
            return;
        }

        $data = $this->validate([
            'editName' => 'required|string|max:255',
            'editLocation' => 'nullable|string|max:255',
        ]);

        Datacenter::query()->where('uuid', $this->editingUuid)->update([
            'name' => $data['editName'],
            'location' => $data['editLocation'] ?: null,
        ]);

        $this->cancelEdit();
        $this->dispatch('notify', message: __('datacenters.updated'));
    }

    public function save(): void
    {
        $this->authorize('datacenters.manage');
        // Normalize before validating so the unique check matches how the row is
        // stored — otherwise `FSN` passes the rule but the lowercased insert collides.
        $this->code = strtolower(trim($this->code));

        $data = $this->validate();

        Datacenter::create([
            'code' => $data['code'],
            'name' => $data['name'],
            'location' => $data['location'] ?: null,
            'active' => true,
        ]);

        $this->reset('code', 'name', 'location');
        $this->dispatch('notify', message: __('datacenters.created'));
    }

    public function toggle(string $uuid): void
    {
        $this->authorize('datacenters.manage');
        $datacenter = Datacenter::query()->where('uuid', $uuid)->first();
        $datacenter?->update(['active' => ! $datacenter->active]);
    }

    public function render()
    {
        return view('livewire.admin.datacenters', [
            'datacenters' => Datacenter::query()->withCount('hosts')->orderBy('name')->get(),
        ]);
    }
}