Notes

const postSearch_props = "";
const teleSearch = "post";
const trans_lang = [];
const bulk_search_array = [];
const nested_channel_regex = false;

const highlight_message = (messages, searchTerm) => {
let words = "";
let isHtml = false;

try {
words = messages.replace(/s+/g, " ").trim();
// Check if content appears to be HTML
isHtml = /<[^>]+>/g.test(words);
} catch {
words = messages;
}

// Helper: Strip HTML tags for text matching
const stripHtml = (html) => {
return html.replace(/<[^>]*>/g, ' ')
.replace(/&nbsp;/g, ' ')
.replace(/&lt;/g, '<')
.replace(/&gt;/g, '>')
.replace(/&amp;/g, '&')
.replace(/&quot;/g, '"')
.replace(/&#39;/g, "'")
.replace(/s+/g, ' ')
.trim();
};

// Helper: Normalize text for comparison (remove extra spaces, normalize case)
const normalizeText = (text) => {
return text.toLowerCase()
.replace(/s+/g, " ")
.trim()
// Normalize common separators
.replace(/[s]*:[s]*/g, ":")
.replace(/[s]*-[s]*/g, "-")
.replace(/[s]*|[s]*/g, "|")
.replace(/[s]*=[s]*/g, "=");
};

// Helper: Create search variations
const createSearchVariations = (term) => {
const normalized = normalizeText(term);
const variations = new Set();

// Original term
variations.add(term.toLowerCase());
variations.add(normalized);

// If the term contains separators, create variations
const separators = [':', '-', '|', '=', ' '];
separators.forEach(sep => {
if (normalized.includes(sep)) {
const parts = normalized.split(sep);
if (parts.length === 2) {
const [key, value] = parts;
// Different spacing variations
variations.add(`${key}${sep}${value}`);
variations.add(`${key} ${sep} ${value}`);
variations.add(`${key}${sep} ${value}`);
variations.add(`${key} ${sep}${value}`);
variations.add(`${key} ${sep} ${value}`);

// Just the key-value without separator
variations.add(`${key} ${value}`);

// With other separators
separators.forEach(altSep => {
if (altSep !== sep) {
variations.add(`${key}${altSep}${value}`);
variations.add(`${key} ${altSep} ${value}`);
variations.add(`${key}${altSep} ${value}`);
variations.add(`${key} ${altSep}${value}`);
}
});
}
}
});

return Array.from(variations);
};

// Helper: Find best match index and length in both HTML and plain text
const findBestMatch = (originalText, searchVariations) => {
const plainText = isHtml ? stripHtml(originalText) : originalText;
const normalizedText = normalizeText(plainText);
let bestMatch = { index: -1, length: 0, variation: "", plainTextIndex: -1 };

// First try normalized matching
for (const variation of searchVariations) {
const index = normalizedText.indexOf(variation);
if (index >= 0) {
if (bestMatch.index === -1 || variation.length > bestMatch.length) {
bestMatch = {
index,
length: variation.length,
variation,
plainTextIndex: plainText.toLowerCase().indexOf(variation)
};
}
}
}

// If no normalized match, try fuzzy matching on plain text
if (bestMatch.index === -1) {
const lowerText = plainText.toLowerCase();
for (const variation of searchVariations) {
const index = lowerText.indexOf(variation);
if (index >= 0) {
if (bestMatch.index === -1 || variation.length > bestMatch.length) {
bestMatch = {
index,
length: variation.length,
variation,
plainTextIndex: index
};
}
}
}
}

return bestMatch;
};

// Helper: Map plain text position to HTML position
const mapPlainTextToHtml = (htmlText, plainTextIndex) => {
if (!isHtml) return plainTextIndex;

let htmlIndex = 0;
let plainIndex = 0;
let inTag = false;

for (let i = 0; i < htmlText.length; i++) {
const char = htmlText[i];

if (char === '<') {
inTag = true;
} else if (char === '>') {
inTag = false;
htmlIndex = i + 1;
continue;
}

if (!inTag) {
if (plainIndex === plainTextIndex) {
return htmlIndex;
}
plainIndex++;
}

htmlIndex = i + 1;
}

return htmlIndex;
};

// Helper: Extract snippet around match (HTML-aware)
const extractSnippet = (text, index, matchLength, pre = 30, post = 120) => {
if (isHtml) {
// For HTML, work with the original text but be mindful of tags
const start = Math.max(0, index - pre);
const end = Math.min(text.length, index + matchLength + post);
return text.slice(start, end) + " ";
} else {
// For plain text, work normally
const start = Math.max(0, index - pre);
const end = Math.min(text.length, index + matchLength + post);
return text.slice(start, end) + " ";
}
};

// Helper: URL matching and extraction (HTML-aware)
const extractMatchingUrls = (text, searchVariations) => {
const urlRegex = /https?://[^s<>"]+/gi;
const textToSearch = isHtml ? stripHtml(text) : text;
const urls = textToSearch.match(urlRegex) || [];

return urls
.filter((url) => {
const lowerUrl = url.toLowerCase();
return searchVariations.some(variation => lowerUrl.includes(variation));
})
.map((url) => url + " ")
.join("");
};

try {
if (!searchTerm) return words;

const searchVariations = createSearchVariations(searchTerm);
const match = findBestMatch(words, searchVariations);

if (match.index < 0) return words;

// For HTML content, try to map back to HTML positions
let extractIndex = match.index;
if (isHtml && match.plainTextIndex >= 0) {
extractIndex = mapPlainTextToHtml(words, match.plainTextIndex);
}

const snippet = extractSnippet(words, extractIndex, match.length);
const matchingUrls = extractMatchingUrls(words, searchVariations);

// Split URLs and filter out duplicates
const urls = matchingUrls
.split(" ")
.filter((url) => url.trim() && !snippet.includes(url));

const result = snippet + urls.join(" ");

return result.trim();
} catch {
return words;
}
};

// Test cases
const message = "**n**`417738<blr> **********</blr>|12|2025|962`**n**`417738<blr> **********</blr>|07|2025|978`**n**`417738<blr> **********</blr>|10|2024|476`**n**`417738<blr> **********</blr>|04|2032|169`**n**`417738<blr> **********</blr>|03|2032|842`**n**`417738<blr> **********</blr>|03|2024|321`**n**`417738<blr> **********</blr>|02|2033|461`**n**`417738<blr> **********</blr>|01|2028|616`**n**`417738<blr> **********</blr>|11|2028|539`**n**`417738<blr> **********</blr>|12|2028|189`**nnInformation : Business - Debit - VisanBank : HYPO ALPE-ADRIA-BANK A.D. BEOGRADnCountry : Serbia 🇷🇸nnUser : ****@soFaLKK**** [free user]nBot : ****@savagecheckbot****nChannel : **[**Pagina Oficial**](https://savagebot.ngrok.io/informacion)";

console.log("=== Testing various search patterns ===");
console.log("1. 'country : serbia':");
console.log(highlight_message(message, "country : serbia"));
console.log();

console.log("2. 'country: serbia':");
console.log(highlight_message(message, "country: serbia"));
console.log();

console.log("3. 'country :serbia':");
console.log(highlight_message(message, "country :serbia"));
console.log();

console.log("4. 'country:Serbia':");
console.log(highlight_message(message, "country:Serbia"));
console.log();

console.log("5. 'country Serbia':");
console.log(highlight_message(message, "country Serbia"));
console.log();

console.log("6. 'country - Serbia':");
console.log(highlight_message(message, "country - Serbia"));
console.log();

console.log("7. 'Country=Serbia' (alternative separator):");
console.log(highlight_message(message, "Country=Serbia"));
console.log();

console.log("8. 'serbia' (value only):");
console.log(highlight_message(message, "serbia"));
console.log();

console.log("9. 'Country|Serbia' (pipe separator):");
console.log(highlight_message(message, "Country|Serbia"));
console.log();

console.log("10. 'brand code: visa':");
console.log(highlight_message(message, "brand code: visa"));
console.log();

console.log("11. 'status approved':");
console.log(highlight_message(message, "status approved"));
console.log();

console.log("12. 'card type credit':");
console.log(highlight_message(message, "card type credit"));
console.log();

// Test HTML content
console.log("=== Testing HTML content ===");
const htmlMessage = `
<div class="message-card">
<p><strong>Status:</strong> <span class="approved">Approved!</span> ✅</p>
<p><strong>Brand Code:</strong> <span class="brand">VISA</span></p>
<p><strong>Category:</strong> <span class="category">CLASSIC</span></p>
<p><strong>Card Type:</strong> <span class="type">CREDIT</span></p>
<p><strong>Country:</strong> <span class="country">Serbia</span> 🇷🇸</p>
<p><strong>Bank:</strong> HYPO ALPE-ADRIA-BANK A.D. BEOGRAD</p>
<a href="https://example.com/serbia-banks">More info about Serbia banks</a>
</div>
`;

console.log("13. HTML: 'country: serbia':");
console.log(highlight_message(htmlMessage, "country: serbia"));
console.log();

console.log("14. HTML: 'status approved':");
console.log(highlight_message(htmlMessage, "status approved"));
console.log();

console.log("15. HTML: 'brand code visa':");
console.log(highlight_message(htmlMessage, "brand code visa"));
console.log();

console.log("16. HTML: 'card type credit':");
console.log(highlight_message(htmlMessage, "card type credit"));
console.log();

// Test with HTML entities
const htmlWithEntities = `
<div>
<p>Card Info: &lt;VISA&gt; - Country: &quot;Serbia&quot;</p>
<p>Status: &amp; Approved &amp; Ready</p>
<p>Bank:&nbsp;HYPO&nbsp;ALPE-ADRIA-BANK</p>
</div>
`;

console.log("17. HTML with entities: 'country serbia':");
console.log(highlight_message(htmlWithEntities, "country serbia"));
console.log();

console.log("18. HTML with entities: 'status approved':");
console.log(highlight_message(htmlWithEntities, "status approved"));
console.log();

// Test mixed content
const mixedContent = `
<div class="notification">
⇻ <strong>CC:</strong> 428250 **********|10|2032|931
⇻ <em>Status:</em> <span class="success">Approved!</span> ✅
⇻ <strong>Country:</strong> <span class="flag">Serbia[🇷🇸]</span>
<br/>
<small>Checked by: @username</small>
</div>
`;

console.log("19. Mixed HTML: 'country serbia':");
console.log(highlight_message(mixedContent, "country serbia"));
console.log();

console.log("20. Mixed HTML: 'status approved':");
console.log(highlight_message(mixedContent, "status approved"));
console.log();

// Test cases specific to the new message format
console.log("=== Testing with Credit Card Data Format ===");
console.log("21. 'bank: hypo':");
console.log(highlight_message(message, "bank: hypo"));
console.log();

console.log("22. 'information business':");
console.log(highlight_message(message, "information business"));
console.log();

console.log("23. 'debit visa':");
console.log(highlight_message(message, "debit visa"));
console.log();

console.log("24. 'user free':");
console.log(highlight_message(message, "user free"));
console.log();

console.log("25. 'bot savagecheckbot':");
console.log(highlight_message(message, "bot savagecheckbot"));
console.log();

console.log("26. 'channel pagina':");
console.log(highlight_message(message, "channel pagina"));
console.log();

console.log("27. '417738' (BIN number):");
console.log(highlight_message(message, "417738"));
console.log();

console.log("28. '2025' (expiry year):");
console.log(highlight_message(message, "2025"));
console.log();

console.log("29. 'beograd' (city):");
console.log(highlight_message(message, "beograd"));
console.log();

console.log("30. 'alpe-adria-bank':");
console.log(highlight_message(message, "alpe-adria-bank"));
console.log();