<?php

declare(strict_types=1);

// File sources, images & scripts
$TRANSFEMRING_FILES = [
  "nonbinary" => [
    "arrow_path" => "../../../img/webrings/transfem_enby_arrow.png",
    "banner_path" => "../../../img/webrings/transfem_enby_banner.png"
  ],
  "transgender" => [
    "arrow_path" => "../../../img/webrings/transfem_trans_arrow.png",
    "banner_path" => "../../../img/webrings/transfem_trans_banner.png"
  ]
];

$TRANSFEMRING_SCRIPT_SOURCE = [
  "selected_source" => 1,
  "sources" =>
  [["url" => "https://fem.nz/ring/transfemring.js",
    "source" => "internet"],
  ["url" => "/transfemwebring.js",
    "source" => "local"]]
    ];

// Specific variables for script
$TRANSFEMRING_ROOT = "https://fem.nz";
$TRANSFEMRING_VALID_WIDGET_TYPES = ["transgender", "nonbinary"];

// Personal identifiers/choices
$TRANSFEMRING_WIDGET_TYPE = $TRANSFEMRING_VALID_WIDGET_TYPES[1];
$TRANSFEMRING_ID = 8;

// Functions
function primarySplit(string $array) {
  $i = 0;
  while (strlen($array) !== 0) {
    // Strip coma if found
    if (str_starts_with($array,',')) {
      $array = substr($array,1);
    }

    // Get substring position and length
    $start_pos = 1;
    $end_pos = strpos($array,"}",1);
    $item_len = $end_pos - $start_pos;

    // Save website into array, and strip array
    $return_array[$i] = substr($array,$start_pos,$item_len);
    $array = substr($array,$item_len+2); // +2 from { and }

    $i++;
  }

  unset($array,$start_pos,$end_pos,$item_len,$array);
  return $return_array;
}

function secondarySplit(string $sub_array) {
  while (strlen($sub_array) !== 0){
    if (str_starts_with($sub_array,',')) {
      $sub_array = substr($sub_array,1);
    }

    $key_start_pos = 1;
    $key_end_pos = strpos($sub_array,"\"",1);
    $key_len = $key_end_pos - $key_start_pos;
    $key = substr($sub_array,$key_start_pos,$key_len);

    $value_start_pos = $key_len + 3; // +3 from " , " and :
    // Check if key is quoted
    if (strpos($sub_array,"\"",$value_start_pos) != $value_start_pos) {
      $keyhasQuotes = FALSE;
      $value_end_pos = strpos($sub_array,",");
    } else {
      $value_start_pos++; // +1 from "
      $value_end_pos = strpos($sub_array,"\"",$value_start_pos);
      $keyhasQuotes = TRUE;
    } 
    $value_len = $value_end_pos - $value_start_pos;
    $value = substr($sub_array,$value_start_pos,$value_len);

    $return_sub_array[$key] = $value;

    $sub_sub_array_len = $key_len + $value_len + 3; // +3 from " , " and :
    if ($keyhasQuotes) {
      $sub_sub_array_len = $sub_sub_array_len + 2; // +2 from " and "
    }

    $sub_array = substr($sub_array,$sub_sub_array_len);
  }

  unset($sub_array, $value, $value_len, $value_start_pos, $value_end_pos, $key, $key_len, $key_start_pos, $key_end_pos, $keyhasQuotes, $sub_sub_array_len);
  return $return_sub_array;
}

$transfemring_sites = scrapeWebsiteSites($TRANSFEMRING_SCRIPT_SOURCE,'sites: [',']');
$transfemring_sites = primarySplit($transfemring_sites);
for ($i = 0; $i < sizeof($transfemring_sites); $i++) {
  $depured_transfemring_sites[$i] = secondarySplit($transfemring_sites[$i]);
}
$transfemring_sites = $depured_transfemring_sites;
unset($depured_transfemring_sites);

for ($i = 1; $i < count($transfemring_sites); $i++){
  if ($transfemring_sites[$i]['id'] == $TRANSFEMRING_ID) {
    
    $transfem_prev = 'https://' . $transfemring_sites[($i-1)]["site_link"];
    $transfem_current = 'https://' . $transfemring_sites[($i)]["site_link"];
    $transfem_next = 'https://' . $transfemring_sites[($i+1)]["site_link"];
    $found = TRUE;
  }
}

if (!isset($found)) {
  echo ("ERROR ID NOT FOUND");
}