// ==UserScript==
// @name         悬停翻译句子
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  鼠标悬停自动翻译句子
// @author       pipizhu
// @match        http*:**
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @license 		 MIT
// @downloadURL none
// ==/UserScript==

// Function to segment the text into sentences and wrap them in span tags with a green hover border color
function wrapSentencesWithSpan(text) {
  // Regular expression to split text into sentences
  const sentences = text.match(/[^\.!\?]+[\.!\?]+/g);

  // If no sentences are found, return the original text
  if (!sentences) return text;

  // Wrap each sentence in a span with class 'sentence'
  return sentences
    .map(sentence => {
      return `<span class="sentence">${sentence.trim()}</span>`;
    })
    .join(' ');
}

// Get all <p> tags on the page
const paragraphs = document.querySelectorAll('p');

// Iterate through each <p> tag
paragraphs.forEach(paragraph => {
  // Wrap the sentences in the paragraph with span tags
  const wrappedText = wrapSentencesWithSpan(paragraph.innerHTML);

  // Update the paragraph's HTML content with the wrapped text
  paragraph.innerHTML = wrappedText;
});

// Add a style element to the document head for the hover effect
const style = document.createElement('style');
style.innerHTML = `
    .sentence {
        position: relative;
        transition: border-bottom-color 0.3s ease;
        cursor: pointer;
    }
    .sentence:hover {
        border-bottom: 2px solid #32CD32; /* Beautiful green */
    }
    .t-popover {
        position: absolute;
        top: 100%;
        width: 100%;
        left: 0;
        min-width: 300px;
        background-color: #fff;
        padding: 5px 10px;
        border: 1px solid #ccc;
        border-radius: 3px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        z-index: 1000;
        transform: translateY(10px);
        display: none;
    }
    .sentence:hover .t-popover {
        display: block;
    }
`;
document.head.appendChild(style);
const translateText = async (text, targetLanguage) => {
  const url = `https://api.mymemory.translated.net/get?q=${encodeURIComponent(
    text
  )}&langpair=en|${targetLanguage}&de=test@gmail.com`;

  try {
    const response = await fetch(url);

    if (!response.ok) {
      throw new Error('Network response was not ok');
    }

    const result = await response.json();
    const responseData = result.responseData;
    console.log('Translated Text:', result.responseData.translatedText);

    return responseData.translatedText;
  } catch (error) {
    console.error('There was a problem with the fetch operation:', error);
  }
};

// Apply the hover effect and translation using JavaScript
document.querySelectorAll('.sentence').forEach(span => {
  const greenColor = '#32CD32'; // Beautiful green color

  // Create a popover element
  const popover = document.createElement('div');
  popover.className = 't-popover';
  span.appendChild(popover);

  span.addEventListener('mouseover', function () {
    this.style.borderBottomColor = greenColor;
    // Check if the popover already contains translated text
    if (popover.innerText.trim() !== '') {
      return; // If it does, do nothing
    }

    // Get the original text
    const originalText = this.innerText;
    console.log('span', this.innerText);
    translateText(originalText, 'zh')
      .then(data => {
        // Show the translated text in the popover
        popover.innerText = data;

      })
      .catch(error => {
        popover.innerText = 'Translation failed';
        console.error('Error:', error);
      });
  });

  span.addEventListener('mouseout', function () {
    this.style.borderBottomColor = 'transparent';
  });
});