/* eslint-disable jsdoc/require-jsdoc */
const axios = require("axios");
const FormData = require("form-data");
const fs = require("fs");
const { exec } = require("child_process");
const path = require("path");

async function ttt(link) {
  try {
    const form = new FormData();
    form.append("url", link);
    form.append("count", "12");
    form.append("cursor", "0");
    form.append("web", "1");
    form.append("hd", "1");

    const { data } = await axios.post("https://www.tikwm.com/api/", form);

    if (data.code === 0 && data.msg === "success") {
      const baseUrl = "https://www.tikwm.com";
      data.data.cover = baseUrl + data.data.cover;
      data.data.play = baseUrl + data.data.play;
      data.data.wmplay = baseUrl + data.data.wmplay;
      data.data.hdplay = baseUrl + data.data.hdplay;
      data.data.music = baseUrl + data.data.music;
      data.data.author.avatar = baseUrl + data.data.author.avatar;
    }

    const res = {
      status: 200,
      type: "tiktok",
      title: data.data?.title || null,
      desc: null,
      thumbnail: data.data.cover,
      video: [{ url: data.data.hdplay }, { url: data.data.play }],
      music: [{ url: data.data.music }],
      image: data.data.images,
    };
    /*
   if (res.image) {
    const outputDir = path.join(__dirname, "../tmp")
    await downloadImages(res.image, outputDir);

    const FNvd = `tt_video_${Date.now()}.mp4`;
    const FNad = `tt_audio_${Date.now()}.mp3`;
    const videoPath = `${outputDir}/${FNvd}`;
    const audioPath = `${outputDir}/${FNad}`;

// ✅ Unduh audio sebelum dipakai
    await downloadAudio(res.music[0].url, audioPath);

    const slideResult = await createSlideshow(outputDir, videoPath, audioPath);
    if (slideResult) {
      res.video.push({ resolusi: "Slideshow", url: `https://fullperr-hutatools.hf.space/tmp/${FNvd}`});
    }
}*/
    return res;
  } catch (e) {
    return { status: 500, message: e.message };
  }
}

async function downloadAudio(audioUrl, outputFile) {
  const response = await axios({
    url: audioUrl,
    responseType: "stream",
  });

  return new Promise((resolve, reject) => {
    const writer = fs.createWriteStream(outputFile);
    response.data.pipe(writer);
    writer.on("finish", () => {
      console.log(`✅ Audio telah diunduh: ${outputFile}`);
      resolve(outputFile);
    });
    writer.on("error", reject);
  });
}

async function downloadImages(imageUrls, outputDir) {
  if (!fs.existsSync(outputDir)) fs.mkdirSync(outputDir);

  let downloadPromises = imageUrls.map((url, index) => {
    const filePath = `${outputDir}/image${index + 1}.jpg`;
    return axios({ url, responseType: "stream" }).then((response) => {
      return new Promise((resolve, reject) => {
        const writer = fs.createWriteStream(filePath);
        response.data.pipe(writer);
        writer.on("finish", resolve);
        writer.on("error", reject);
      });
    });
  });

  await Promise.all(downloadPromises);
  console.log("✅ Semua gambar telah diunduh.");
}

async function getAudioDuration(audioFile) {
  return new Promise((resolve, reject) => {
    exec(
      `ffprobe -i ${audioFile} -show_entries format=duration -v quiet -of csv="p=0"`,
      (error, stdout) => {
        if (error) {
          reject("❌ Gagal mendapatkan durasi audio.");
          return;
        }
        resolve(parseFloat(stdout.trim()));
      }
    );
  });
}

async function createSlideshow(imagesDir, outputVideo, audioFile) {
  const imageFiles = fs
    .readdirSync(imagesDir)
    .filter((file) => file.endsWith(".jpg"));
  const totalImages = imageFiles.length;

  if (totalImages === 0) {
    console.error("❌ Tidak ada gambar untuk slideshow.");
    return null;
  }

  try {
    let audioDuration = await getAudioDuration(audioFile);
    if (audioDuration > 25) {
      console.log("⏳ Audio lebih dari 25 detik, membatasi ke 25 detik.");
      audioDuration = 25;
    }
    const outputDir = path.join(__dirname, "../tmp")
    const frameDuration = audioDuration / totalImages;
    const tempDirv = `${outputDir}/temp_video_${Date.now()}.mp4`;
    console.log(`📏 Durasi audio: ${audioDuration}s`);
    console.log(`🖼 Durasi per gambar: ${frameDuration}s`);

    const ffmpegCommand = `ffmpeg -framerate 1/${frameDuration} -i ${imagesDir}/image%d.jpg -filter_complex "pad=iw:ih:(ow-iw)/2:(oh-ih)/2" -r 25 -c:v libx264 -pix_fmt yuv420p ${tempDirv}`;

    console.log("🚀 Membuat slideshow...");
    return new Promise((resolve, reject) => {
      exec(ffmpegCommand, (error) => {
        if (error) {
          console.error("❌ Error saat membuat slideshow:", error);
          reject(null);
          return;
        }

        console.log("✅ Slideshow selesai dibuat.");
        const audioCommand = `ffmpeg -i ${tempDirv} -i ${audioFile} -filter_complex "[1:a]apad" -shortest -c:v libx264 -pix_fmt yuv420p -c:a aac -b:a 128k ${outputVideo}`;

        exec(audioCommand, (audioError) => {
          if (audioError) {
            console.error("❌ Error saat menambahkan audio:", audioError);
            reject(null);
            return;
          }

          console.log("✅ Video dengan audio selesai dibuat.");
          console.log("🧹 Folder gambar sementara dihapus.");
          resolve(outputVideo); 
        });
      });
    });
  } catch (error) {
    console.error(error);
    return null;
  }
}

module.exports = { ttt };