#!/usr/bin/env php
<?php

require_once __DIR__ . '/../argvParser.php';
require_once __DIR__ . '/../functions.php';

class snips
{
    public function __construct(
        private readonly string $baseUrl,
        private readonly string $apiKey,
    ) {}

    public function getSnip(int $id): string
    {
        $url = $this->baseUrl . 'snip/' . $id;
        $headers = [
            'X-AUTH-TOKEN: ' . $this->apiKey,
            'Accept: application/json',
        ];

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        $response = curl_exec($ch);
        curl_close($ch);

        $response = $this->getResponse($response);

        if (isset($response['success']) && $response['success'] === true) {
            return $response['data']['content'];
        } else {
            throw new Exception('Error fetching snip: ' . json_encode($response));
        }
        // rewrite to curl
    }

    public function postSnip(int $id, string $content): string
    {
        $url = $this->baseUrl . 'snip/' . $id;
        $headers = [
            'X-AUTH-TOKEN: ' . $this->apiKey,
            'Accept: application/json',
        ];

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
        curl_setopt($ch, CURLOPT_POSTFIELDS, ['content' => $content]);
        $response = curl_exec($ch);
        curl_close($ch);
        $response = $this->getResponse($response);

        if (isset($response['success']) && $response['success'] === true) {
            return $response['data']['content'];
        } else {
            throw new Exception('Error updating snip: ' . json_encode($response));
        }
    }

    public function getResponse(bool|string $response): array
    {
        $response = json_decode($response, true);
        if (json_last_error() !== JSON_ERROR_NONE) {
            throw new Exception('Error decoding JSON response: ' . json_last_error_msg());
        }
        return $response;
    }
}

$argvParser = new argvParser(['f' => 'File', 'a' => 'Api key'], ['c' => 'Command', 'id' => 'Snip id']);
$parsed = $argvParser->parseArgv($argv);
if ($parsed === false) {
    line('Usage: ' . __FILE__ . ' ' . $argvParser->getOptionsHelp());
    exit(1);
}

$command = $parsed->get('c');
$id = $parsed->get('id');
$file = $parsed->get('f');
$apiKey = $parsed->get('a');
$content = $parsed->getRest();

if (empty($apiKey)) {
    $apiFile = __DIR__ . '/../api_key';
    if (!file_exists($apiFile)) {
        line('Input api key:');
        $apiKey = trim(fgets(STDIN));
        file_put_contents($apiFile, $apiKey);
        line('Api key saved to ' . $apiFile);
    } else {
        $apiKey = file_get_contents($apiFile);
    }
    if (empty($apiKey)) {
        line('No api key provided');
        exit(1);
    }
}

$baseUrl = 'http://snips.symfony.localhost/api/';
$snips = new snips($baseUrl, $apiKey);

if ($command === 'get') {
    $content = $snips->getSnip($id);
    if ($file) {
        file_put_contents($file, $content);
        line('Snip content saved to ' . $file);
    } else {
        line($content);
    }
} elseif ($command === 'set') {
    if ($file) {
        if (!file_exists($file)) {
            line('File ' . $file . ' does not exist');
            exit(1);
        }
        $content = file_get_contents($file);
        if ($content === false) {
            line('Error reading file ' . $file);
            exit(1);
        }
    }
    $content = $snips->postSnip($id, $content);
} else {
    line('Unknown command: ' . $command);
    exit(1);
}