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import json
from collections import OrderedDict
from pathlib import Path

import streamlit as st


SEEKER_ICON = "https://github.com/McGill-NLP/FaithDial/raw/gh-pages/assets/img/seeker.png"
EXPERT_ICON = "https://github.com/McGill-NLP/FaithDial/raw/gh-pages/assets/img/expert.png"

begin_badges = {
    "Entailment": "success",
    "Hallucination": "danger",
    "Partial Hallucination": "warning",
    "Generic": "secondary",
    "Uncooperative": "secondary",
}

st.set_page_config(page_title="FaithDial Explorer", page_icon=":stars:", layout="wide")
st.markdown(
    """
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.1.1/css/all.min.css" integrity="sha512-KfkfwYDsLkIlwQp6LFnl8zNdLGxu9YAA1QvwINks4PhcElQSvqcyVLLD9aMhXd13uQjoXtEKNosOWaZqXgel0g==" crossorigin="anonymous" referrerpolicy="no-referrer" />
    <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-fQybjgWLrvvRgtW6bFlB7jaZrFsaBXjsOMm/tB9LTS58ONXgqbR9W8oWht/amnpF" crossorigin="anonymous"></script>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha256-DF7Zhf293AJxJNTmh5zhoYYIMs2oXitRfBjY+9L//AY=" crossorigin="anonymous">

    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Permanent+Marker&display=swap" rel="stylesheet">

    <style>
    .dataset-title {
        font-family: 'Permanent Marker', cursive;
        font-size: 3.5rem;
    }
    .speaker-icon {
        width: 20px;
    }
    p {
        font-size: 2.8vmin;
    }
    span {
        font-size: 2.8vmin;
    }
    .fa-flip-style {
        --fa-animation-duration: 10s;
    }
    .faith-edit {
    	background-color: #d0f0c0;
    }
    </style>""",
    unsafe_allow_html=True,
)

st.sidebar.write(
    """<center><p class="dataset-title">
    <a href="https://mcgill-nlp.github.io/FaithDial/">FaithDial</a>
    </p></center>""",
    unsafe_allow_html=True,
)
# st.sidebar.image("datasets_logo_name.png", width=300)
st.sidebar.subheader("A Faithful Benchmark for Information-Seeking Dialogue")


@st.cache
def load_dialogues():
    """
    Loads the samples from the data folder.
    """
    samples_path = Path(__file__).parent / "faithdial-samples.jsonl"

    with samples_path.open("r") as f:
        samples = [json.loads(line) for line in f]

    topics = OrderedDict()
    for i, sample in enumerate(samples):
        if sample.get("topic", None):
            if sample["topic"] not in topics:
                key = sample["topic"]
            else:
                key = f"{sample['topic']} (dialogue {i + 1})"
        else:
            key = f"Dialogue {i + 1}"
        topics[key] = sample

    return topics


dialogues = load_dialogues()
topics = tuple(dialogues.keys())

st.sidebar.markdown(
    "FaithDial contains 50,761 turns spanning 5649 conversations. Below you can choose a topic and visualize the conversation on the right hand side. Download the data from [here](https://huggingface.co/datasets/McGill-NLP/FaithDial)."
)

selected_topic = st.sidebar.radio("Pick a topic", topics, help="", key="topic_picker")

st.sidebar.markdown(
    "<div class='mt-5'>Proudly collected at <a href='https://mcgill-nlp.github.io/'>McGill-NLP</a> in collaboration with <a href='https://www.amii.ca/'>Amii</a> & IBM</div>",
    unsafe_allow_html=True
)

if selected_topic is not None:
    selected_dialogue = dialogues[selected_topic]

    st.write(
        f"""<i class="far fa-comments fa-2x fa-flip fa-flip-style"></i>&nbsp;&nbsp;&nbsp;<span class="h1">{selected_topic}</span>""",
        unsafe_allow_html=True)
    st.markdown("***")

    for i, exchange in enumerate(selected_dialogue["exchanges"]):
        turn = i + 1
        # if exchange["history"]:
        #     history_template = """
        #     <div class="card">
        #         <div class="card-header">History</div>
        #         <div class="card-body">
        #     """
        #     for i, history in enumerate(exchange["history"]):
        #         icon = SEEKER_ICON if i % 2 == 0 else EXPERT_ICON
        #         history_template += (
        #             f"""        <p class="card-text"><img src="{icon}" class="rounded speaker-icon" /> {history}</p>"""
        #         )
        #     history_template += """</div></div>"""
        # st.write(history_template, unsafe_allow_html=True)

        # st.write(f"""<h3>Turn {turn}</h3>""", unsafe_allow_html=True)

        evidence_col, exchange_col = st.columns((0.7, 1))

        evidence_template = f"""
        <div class="alert alert-secondary" role="alert">
            <h6 class="alert-heading"><span class="font-weight-bold" id="knowledge-{turn}">Knowledge</h6>
            <p class="card-text mb-1">{exchange["evidence"]}</p>
        </div>
        <br/>
        """
        evidence_col.write(evidence_template, unsafe_allow_html=True)

        parallel_template = """
        <div class="container">
            <div class="row mb-3">
                <div class="col">
                    {seeker}
                </div>
            </div>
            <div class="row mb-4">
                <div class="col">
                    {expert}
                </div>
            </div>
        </div>
        """

        seeker = exchange["seeker"]
        is_seeker_modified = bool(seeker.get("OldText", None))

        expert = exchange["expert"]
        is_expert_modified = bool(expert.get("OldText", None))

        exchange_pane = exchange_col.empty()
        seeker_template = f"""<img src="{SEEKER_ICON}" class="rounded" style="text-align:center; width: 20px"/>
                                    <span class="font-weight-bold">Seeker:</span> <span>{seeker["Text"]}</span>"""
        expert_template = f"""<img src="{EXPERT_ICON}" class="rounded" style="text-align:center; width: 20px"/>
                                <span class="font-weight-bold">Wizard:</span> <span>{expert["Text"]}</span>"""

        exchange_pane.write(
            parallel_template.format(
                seeker=seeker_template,
                expert=expert_template,
            ),
            unsafe_allow_html=True,
        )

        show_original = exchange_col.checkbox("Show original", key=f"show-{selected_topic}-{turn}")
        if show_original:
            apprentice_template = f"<span class='font-weight-bold'>Apprentice:</span> <span class='font-italic'>{seeker.get('OldText', None) or seeker['Text']}</span>"

            badges = f"""<span class='badge badge-{begin_badges[expert['BEGIN']]}'>{expert['BEGIN']}</span>
                                {" ".join("<span class='badge badge-light'>{}</span>".format(v) for v in sorted(expert['VRM']))}"""
            wizard_template = f"""<span class="font-weight-bold">Wizard:</span>
                        <span class="font-italic">{expert.get("OldText", None) or expert["Text"]}</span> &nbsp;&nbsp; {badges}"""

            original_template = """<div class="card card-body bg-secondary text-white">
                <div class="row mb-3">
                    <div class="col">
                        {apprentice}
                    </div>
                </div>
                <div class="row">
                    <div class="col">
                        {wizard}
                    </div>
                </div>
            </div>
            """

            exchange_col.write(
                original_template.format(apprentice=apprentice_template, wizard=wizard_template, turn=turn),
                unsafe_allow_html=True,
            )

            seeker_template = f"""<img src="{SEEKER_ICON}" class="rounded" style="text-align:center; width: 20px"/>
            <span class="font-weight-bold">Seeker:</span> {"<span class='faith-edit'>" if is_seeker_modified else "<span>"}{seeker["Text"]}</span>"""
            expert_template = f"""<img src="{EXPERT_ICON}" class="rounded" style="text-align:center; width: 20px"/>
            <span class="font-weight-bold">Wizard:</span> {"<span class='faith-edit'>" if is_expert_modified else "<span>"}{expert["Text"]}</span>"""

            exchange_pane.write(
                parallel_template.format(
                    seeker=seeker_template,
                    expert=expert_template,
                ),
                unsafe_allow_html=True,
            )

        exchange_col.markdown('')
        exchange_col.markdown("""***""")