<?php /* Copyright (c) 2024 Freya Murphy */
class Bucket_model extends Model {

	private $bucket_json;
	private $bucket_map;

	function __construct()
	{
		$this->bucket_json = array();
		if (file_exists('/var/run/crimson/bucket.json')) {
			$this->bucket_json = file_get_contents('/var/run/crimson/bucket.json');
			$this->bucket_json = json_decode($this->bucket_json) ?? array();
		}

		$this->bucket_map = array();
		foreach ($this->bucket_json as $idx => $entry) {
			$this->bucket_map[$entry->name ?? ''] = $idx;
		}
	}

	public function get_before(string $name): string
	{
		$default = "https://webring.bucketfish.me/redirect.html?to=prev&name={$name}";

		$idx = $this->bucket_map[$name ?? ''] ?? null;
		if (!$idx)
			return $default;

		if ($idx)
			$idx--;
		else
			$idx = count($this->bucket_json) - 1;

		return $this->bucket_json[$idx]->url ?? $default;
	}

	public function get_after(string $name): string
	{
		$default = "https://webring.bucketfish.me/redirect.html?to=next&name={$name}";

		$idx = $this->bucket_map[$name ?? ''] ?? null;
		if (!$idx)
			return $default;

		$idx++;
		if ($idx == count($this->bucket_json))
			$idx = 0;

		return $this->bucket_json[$idx]->url ?? $default;
	}

	public function get_data(): ?array
	{
		$data = parent::get_data();
		$data['title'] = lang('first_name');
		$data['desc'] = lang('default_short_desc');

		if (array_key_exists('name', $_GET))
			$data['name'] = $_GET['name'];
		else
			return NULL;

		if (array_key_exists('lightmode', $_GET))
			$data['lightmode'] = $_GET['lightmode'];
		else
			$data['lightmode'] = 'false';

		return $data;
	}
}