async function searchResults(keyword) {
    try {
        const encodedKeyword = encodeURIComponent(keyword);
        const ddosInterceptor = new DdosGuardInterceptor();
        const responseText = await ddosInterceptor.fetchWithBypass(`https://animepahe.si/api?m=search&q=${encodedKeyword}`);
        const dataText = await responseText.text();
        console.log(dataText);
        const data = JSON.parse(dataText);
        const transformedResults = data.data.map(result => {
            return {
                title: result.title,
                image: result.poster,
                href: `https://animepahe.si/anime/${result.session}`
            };
        });

        return JSON.stringify(transformedResults);
    } catch (error) {
        console.log("Fetch error in searchResults: " + error);
        return JSON.stringify([{ title: "Error", image: "", href: "" }]);
    }
}

async function extractDetails(url) {
    try {
        const response = await fetchv2(url);
        const html = await response.text();

        return JSON.stringify([{
            description: description,
            aliases: "N/A",
            airdate: "N/A"
        }]);
    } catch (err) {
        return JSON.stringify([{
            description: "Error",
            aliases: "Error",
            airdate: "Error"
        }]);
    }
}

async function extractEpisodes(url) {
    const results = [];
    try {
        const response = await fetchv2(url);
        const html = await response.text();

        let match;
        while ((match = regex.exec(html)) !== null) {
            results.push({
                href: match[1].trim(),
                number: parseInt(match[2], 10)
            });
        }

        return JSON.stringify(results);
    } catch (err) {
        return JSON.stringify([{
            href: "Error",
            number: "Error"
        }]);
    }
}

async function extractStreamUrl(url) {
    try {
        const response = await fetchv2(url);
        const html = await response.text();

        return "https://error.org/";
    } catch (err) {
        return "https://error.org/";
    }
}

// Fixed DDOS Bypass
class DdosGuardInterceptor {
    constructor() {
        this.errorCodes = [403]; 
        this.serverCheck = ["ddos-guard"]; 
        this.cookieStore = {}; 
    }

    async fetchWithBypass(url, options = {}) {
        let response = await this.fetchWithCookies(url, options);

        const isBlocked = await this.isBlockedResponse(response);
        
        if (!isBlocked) {
            return response;
        }


        if (this.cookieStore["__ddg2_"]) {
            return this.fetchWithCookies(url, options);
        }

        const newCookie = await this.getNewCookie(url);
        if (!newCookie) {
            return response;
        }
        
        return this.fetchWithCookies(url, options);
    }

    async fetchWithCookies(url, options) {
        const cookieHeader = this.getCookieHeader();
        const headers = { ...options.headers, Cookie: cookieHeader };

        const response = await fetchv2(url,  headers );

        const setCookieHeader = response.headers["Set-Cookie"];
        if (setCookieHeader) {
            this.storeCookies(setCookieHeader);
        }

        return response;
    }

    isDdosGuard(response) {
        const serverHeader = response.headers["Server"];
        return serverHeader && this.serverCheck.includes(serverHeader.toLowerCase());
    }

    async isBlockedResponse(response) {
        if (this.errorCodes.includes(response.status)) {
            return true;
        }
        
        const clonedResponse = response.clone();
        const text = await clonedResponse.text();
        
        if (text.includes('ddos-guard/js-challenge') || 
            text.includes('DDoS-Guard') || 
            text.includes('data-ddg-origin')) {
            return true;
        }
        
        return false;
    }

    storeCookies(setCookieString) {
        const cookies = Array.isArray(setCookieString) ? setCookieString : [setCookieString];

        cookies.forEach(cookieHeader => {
            const parts = cookieHeader.split(";");
            if (parts.length > 0) {
                const [key, value] = parts[0].split("=");
                if (key) {
                    this.cookieStore[key.trim()] = value?.trim() || "";
                }
            }
        });
    }

    getCookieHeader() {
        return Object.entries(this.cookieStore)
            .map(([key, value]) => `${key}=${value}`)
            .join("; ");
    }

    async getNewCookie(targetUrl) {
        try {
            const wellKnownResponse = await fetchv2("https://check.ddos-guard.net/check.js");
            const wellKnownText = await wellKnownResponse.text();

            const paths = wellKnownText.match(/['"](\/\.well-known\/ddos-guard\/[^'"]+)['"]/g);
            const checkPaths = wellKnownText.match(/['"]https:\/\/check\.ddos-guard\.net\/[^'"]+['"]/g);

            if (!paths || paths.length === 0) {
                return null;
            }

            const localPath = paths[0].replace(/['"]/g, '');

            const match = targetUrl.match(/^(https?:\/\/[^\/]+)/);
            if (!match) {
                return null;
            }
            const baseUrl = match[1];

            const localUrl = `${baseUrl}${localPath}`;

            const localResponse = await fetchv2(localUrl, {
                headers: {
                    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
                    'Accept': 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
                    'Referer': targetUrl
                }
            });

            let setCookie = localResponse.headers["set-cookie"] ||
                           localResponse.headers["Set-Cookie"] ||
                           (localResponse.headers.raw && localResponse.headers.raw()['set-cookie']) ||
                           (localResponse.headers.get && localResponse.headers.get('set-cookie'));
            if (setCookie) {
                this.storeCookies(setCookie);
            }

            if (checkPaths && checkPaths.length > 0) {
                const checkUrl = checkPaths[0].replace(/['"]/g, '');

                const checkResponse = await fetchv2(checkUrl, {
                    headers: {
                        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
                        'Accept': 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
                        'Referer': targetUrl
                    }
                });

                setCookie = checkResponse.headers["set-cookie"] ||
                           checkResponse.headers["Set-Cookie"] ||
                           (checkResponse.headers.raw && checkResponse.headers.raw()['set-cookie']) ||
                           (checkResponse.headers.get && checkResponse.headers.get('set-cookie'));
                if (setCookie) {
                    this.storeCookies(setCookie);
                }
            }

            if (this.cookieStore["__ddg2_"]) {
                return this.cookieStore["__ddg2_"];
            }

            return null;
        } catch (error) {
            return null;
        }
    }
}