<?php
/**
 * Holds the status controller.
 * @package Sakura
 */

namespace Sakura\Controllers;

use Carbon\Carbon;
use Sakura\DB;
use Sakura\Status;

/**
 * The status page and related stuff.
 * @package Sakura
 * @author Julian van de Groep <me@flash.moe>
 */
class StatusController extends Controller
{
    protected const EVENT_STATE = [
        0 => 'Monitoring',
        1 => 'Investigating',
        2 => 'Resolved',
    ];

    /**
     * Renders the base status page.
     * @return string
     */
    public function index(): string
    {
        $endpoints = array_keys(config('status.check'));
        $events = DB::table('status_events')
            ->where('event_date', '>', Carbon::now()->subWeek(1)->format('Y-m-d'))
            ->get();
        $incidents = [];

        for ($i = 0; $i < 7; $i++) {
            $date = Carbon::now()->subDay($i);
            $incidents[$date->format('M j, Y')] = [];
        }

        foreach ($events as $row) {
            $date = Carbon::createFromFormat('Y-m-d H:i:s', $row->event_date);
            $incidents[$date->format('M j, Y')][] = [
                'time' => $date->format('G:i'),
                'state' => static::EVENT_STATE[$row->event_state],
                'comment' => $row->event_text,
            ];
        }

        return view('status/index', compact('endpoints', 'incidents'));
    }

    /**
     * Gets status information.
     * @return string
     */
    public function data(): string
    {
        $endpoints = config('status.check');
        $name = $_GET['name'] ?? null;

        if (!array_key_exists($name, $endpoints)) {
            return $this->json(['error' => 'Unknown host.']);
        }

        [$address, $port, $protocol] = explode('/', $endpoints[$name]);
        $status = new Status($address, $port, $protocol, true, ($_GET['history'] ?? '1') !== '0');

        if ($status->state === null) {
            $status->check();
            $status->save();
        }

        return $this->json($status);
    }
}