<?php

namespace App\Livewire\Terminal;

use App\Models\Server;
use App\Models\TerminalSession;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Str;
use Livewire\Attributes\Layout;
use Livewire\Component;

/**
 * Terminal page. Lists the targets (the Clusev host + each server) and, on selection, mints a
 * single-use session token that the xterm.js island uses to open a WebSocket to the terminal
 * sidecar. The component itself never touches the SSH connection or credentials — it only authorizes
 * the operator and hands out a short-lived token (resolved server-side over the internal network).
 */
#[Layout('layouts.app')]
class Index extends Component
{
    /** 'host' or a server uuid — drives the active-target highlight in the rail. */
    public string $activeKey = '';

    public function title(): string
    {
        return __('terminal.title');
    }

    /** Mint a single-use token for the chosen target and hand it to the xterm island via an event. */
    public function open(string $kind, ?string $uuid = null): void
    {
        $serverId = null;
        $label = __('terminal.host_label');
        $this->activeKey = 'host';

        if ($kind !== 'host') {
            $kind = 'server';
            $server = Server::where('uuid', $uuid)->first();
            if ($server === null) {
                return;
            }
            $serverId = $server->id;
            $label = $server->name;
            $this->activeKey = $server->uuid;
        }

        $token = Str::random(48);
        TerminalSession::create([
            'token' => $token,
            'user_id' => Auth::id(),
            'kind' => $kind,
            'server_id' => $serverId,
            'expires_at' => now()->addSeconds(60),
            'created_at' => now(),
        ]);

        $this->dispatch('terminal-open', token: $token, title: $label);
    }

    public function render()
    {
        return view('livewire.terminal.index', [
            'servers' => Server::orderBy('name')->get(['uuid', 'name', 'status']),
        ])->title($this->title());
    }
}