<?php

$user = $_GET['user'] ?? null;
$inputJSON = file_get_contents('php://input');
$input = json_decode($inputJSON, true);
$data = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/app.json"), true)["webhook"];

if (isset(json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/app.json"), true)["ponytown"][$user])) {
    $ponytown = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/app.json"), true)["ponytown"][$user];
} else {
    header("HTTP/1.1 404 Not Found") and die();
}

if ($user === null) {
    header("HTTP/1.1 500 Internal Server Error") and die();
}

if (!in_array($user, array_keys($data))) {
    header("HTTP/1.1 404 Not Found") and die();
}

if ($input["signing_token"] !== $data[$user]) {
    header("HTTP/1.1 401 Unauthorized") and die();
}

if ($input['system_id'] === "7d9f543e-f742-40f6-9d07-86c3f2983124") {
    $system = "gdapd";
    $name = "Raindrops System";
} else {
    $system = "ynmuc";
    $name = "Cloudburst System";
}

$lastFronter = json_decode(@file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$system/last.json"), true) ?? "";

if ($input["type"] === "CREATE_SWITCH" || $input["type"] === "UPDATE_SWITCH" || $input["type"] === "DELETE_SWITCH") {
    file_put_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$system/fronters.json", file_get_contents("https://pluralkit.equestria.dev/v2/systems/$input[system_id]/fronters"));
    file_put_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$system/switches.json", file_get_contents("https://pluralkit.equestria.dev/v2/systems/$input[system_id]/switches"));

    $fronters = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$system/fronters.json"), true);
    $currentFronter = $fronters["members"][0]["id"];
    file_put_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/data/$system/last.json", json_encode($currentFronter));

    $ntfy = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/app.json"), true)["ntfy"];

    file_put_contents("/mnt/ponytown-chat/tokens/" . $ponytown, $fronters["members"][0]["display_name"]);

    if (count($fronters["members"]) > 1) {
        $context = stream_context_create([
            'http' => [
                'method' => 'POST',
                'header' =>
                    "Content-Type: text/plain\r\n" .
                    "Title: 🐴 Switch occurred in the $name\r\n" .
                    "Priority: default\r\n" .
                    "Tags: switch\r\n" .
                    "Actions: view, Open " . $fronters["members"][0]["display_name"] . " on Cold Haze, https://ponies.equestria.horse/" . $fronters["members"][0]["name"] . "/, clear=true;view, Open " . $fronters["members"][1]["display_name"] . " on Cold Haze, https://ponies.equestria.horse/" . $fronters["members"][1]["name"] . "/, clear=true\r\n" .
                    "Authorization: Basic " . base64_encode($ntfy["user"] . ":" . $ntfy["password"]),
                'content' => ($fronters["members"][0]["display_name"] ?? $fronters["members"][0]["name"]) . " and " . ($fronters["members"][1]["display_name"] ?? $fronters["members"][1]["name"]) . " switched in just now"
            ]
        ]);
    } else if (count($fronters["members"]) > 0) {
        $context = stream_context_create([
            'http' => [
                'method' => 'POST',
                'header' =>
                    "Content-Type: text/plain\r\n" .
                    "Title: 🐴 Switch occurred in the $name\r\n" .
                    "Priority: default\r\n" .
                    "Tags: switch\r\n" .
                    "Actions: view, Open on Cold Haze, https://ponies.equestria.horse/" . $fronters["members"][0]["name"] . "/, clear=true\r\n" .
                    "Authorization: Basic " . base64_encode($ntfy["user"] . ":" . $ntfy["password"]),
                'content' => ($fronters["members"][0]["display_name"] ?? $fronters["members"][0]["name"]) . " switched in just now"
            ]
        ]);
    } else {
        $context = stream_context_create([
            'http' => [
                'method' => 'POST',
                'header' =>
                    "Content-Type: text/plain\r\n" .
                    "Title: 🐴 Switch occurred in the $name\r\n" .
                    "Priority: default\r\n" .
                    "Tags: switch\r\n" .
                    "Actions: view, Open on Cold Haze, https://ponies.equestria.horse/, clear=true\r\n" .
                    "Authorization: Basic " . base64_encode($ntfy["user"] . ":" . $ntfy["password"]),
                'content' => "The fallback pony switched in just now"
            ]
        ]);
    }

    file_get_contents('https://' . $ntfy["server"] . '/public-switches', false, $context);

    if ($system === "gdapd") {
        $topic = "public-switches-raindrops";
    } else {
        $topic = "public-switches-cloudburst";
    }

    file_get_contents('https://' . $ntfy["server"] . '/' . $topic, false, $context);
}