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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Bio Medical RAG App</title>
    <link
      href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap"
      rel="stylesheet"
    />
    <link
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css"
      rel="stylesheet"
    />
    <style>
      body {
        background-color: black;
        font-family: "Poppins", sans-serif;
        color: white;
      }
      .chat-container {
        max-width: 800px;
        margin: 50px auto;
        margin-top: 10%;
        padding: 20px;
        background-color: #333;
        border-radius: 10px;
      }
      .chat-heading {
        text-align: center;
        font-size: 2.5em;
        font-weight: 600;
        margin-bottom: 30px;
        color: #ffd700; /* Golden color for the heading */
      }
      .chat-input {
        margin-top: 20px; /* Added margin */
        margin-bottom: 20px;
        height: 100px; /* Increased height */
      }
      .chat-button {
        background-color: green;
        color: white;
        padding: 10px 20px;
        font-size: 1.2em;
      }
      .chat-response {
        background-color: #444;
        padding: 15px;
        border-radius: 5px;
        min-height: 100px; /* Minimum height for the response box */
        margin-top: 20px;
      }
      .accordion {
        margin-top: 20px;
        background-color: #444;
        border-radius: 5px;
      }
      .accordion-button {
        color: white;
        background-color: #555;
      }
      .accordion-body {
        color: white; /* Improved visibility of text */
      }
      pre {
        white-space: pre-wrap;
      }
    </style>
  </head>
  <body>
    <div class="container chat-container">
      <h1 class="chat-heading">Bio Medical RAG App</h1>

      <div class="accordion" id="appDescriptionAccordion">
        <div class="accordion-item">
          <h2 class="accordion-header" id="descriptionHeading">
            <button
              class="accordion-button collapsed"
              type="button"
              data-bs-toggle="collapse"
              data-bs-target="#collapseDescription"
              aria-expanded="true"
              aria-controls="collapseDescription"
            >
              About This App
            </button>
          </h2>
          <div
            id="collapseDescription"
            class="accordion-collapse collapse"
            aria-labelledby="descriptionHeading"
            data-bs-parent="#appDescriptionAccordion"
          >
            <div class="accordion-body text-dark">
              This is a RAG implementation using Open Source stack. BioLLM 8B
              has been used to build this app along with ClinicalBert as an
              embedding model, Qdrant as a self hosted Vector DB, and Langchain
              & Llama CPP as an orchestration frameworks.
            </div>
          </div>
        </div>
      </div>

      <div class="row">
        <div class="col">
          <textarea
            id="userInput"
            class="form-control chat-input"
            placeholder="Type your query here..."
          ></textarea>
          <button id="submitBtn" class="btn chat-button">Submit</button>
          <div id="response" class="chat-response"></div>
        </div>
      </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
    <script>
      document
        .getElementById("submitBtn")
        .addEventListener("click", async function () {
          var userInput = document.getElementById("userInput").value;
          document.getElementById("response").innerHTML =
            "<p>Processing...</p>";
          const formData = new FormData();
          formData.append("query", userInput);
          try {
            const response = await fetch("/get_response", {
              method: "POST",
              body: formData,
            });

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

            const data = await response.json();
            document.getElementById(
              "response"
            ).innerHTML = `<p>${data.answer}</p><br><pre><b>Context: </b> ${data.source_document}</pre><br><pre><b>Source Document: </b> ${data.doc}</pre>`;
          } catch (error) {
            console.error("Error:", error);
            document.getElementById("response").innerHTML =
              "<p>Error processing your request</p>";
          }
        });
    </script>
  </body>
</html>