import json
from datetime import datetime

import gradio as gr
import pandas as pd


def read_json(file_name):
    with open(file_name, "r") as f:
        json_data = json.load(f)
    return json_data


def truncate_text(text, max_length=40):
    if len(text) > max_length:
        return text[: max_length - 1] + "…"
    else:
        return text


json_file = "awesome-japanese-nlp-resources-search.json"
json_data = read_json(json_file)
data = {
    "project_name": [],
    "downloads": [],
    "stars": [],
    "description": [],
    "first_commit": [],
    "latest_commit": [],
    "source": [],
    "languages": [],
    "type": [],
}

for data_json in json_data:
    url = data_json["url"]
    description = data_json["description"].lower()
    project_name = data_json["project_name"]
    source = data_json["source"]
    languages = data_json["languages"]
    repo_type = data_json["model_or_dataset"]
    first_commit = data_json["first_commit"]
    if first_commit:
        first_commit = datetime.strptime(first_commit, "%Y-%m-%d %H:%M:%S")
        first_commit = first_commit.date()

    latest_commit = data_json["latest_commit"]
    if latest_commit:
        latest_commit = datetime.strptime(latest_commit, "%Y-%m-%d %H:%M:%S")
        latest_commit = latest_commit.date()

    if "stargazers_count" in data_json:
        data["stars"].append(data_json["stargazers_count"])
    else:
        data["stars"].append(None)

    if "downloads" in data_json:
        data["downloads"].append(data_json["downloads"])
    else:
        data["downloads"].append(None)

    data["project_name"].append(f"[{truncate_text(project_name)}]({url})")
    data["source"].append(source)
    data["description"].append(description)
    data["languages"].append(languages)
    data["type"].append(repo_type)
    data["first_commit"].append(first_commit)
    data["latest_commit"].append(latest_commit)

data = pd.DataFrame(data)


def show_search_results(
    language_filter, queries, source_checkbox, show_checkbox
):
    queries = queries.lower()
    queries = queries.split()

    df_search = data

    if language_filter:

        def contains_language(language_list, filter_lang):
            return filter_lang in language_list

        matches = df_search["languages"].apply(
            contains_language, filter_lang=language_filter
        )
        df_search = df_search[matches]

    # source_checkbox
    if "GitHub" not in source_checkbox:
        df_search = df_search[df_search["source"] != "GitHub"]
        df_search = df_search.drop("stars", axis=1)

    if "Hugging Face" not in source_checkbox:
        df_search = df_search[df_search["source"] != "Hugging Face"]
        df_search = df_search.drop("downloads", axis=1)

    if "Dataset" in source_checkbox:
        df_search = df_search[df_search["type"] == "dataset"]

    if "Model" in source_checkbox:
        df_search = df_search[df_search["type"] == "model"]

    # show_checkbox
    if "project_name" not in show_checkbox:
        df_search = df_search.drop("project_name", axis=1)

    if "downloads" not in show_checkbox:
        df_search = df_search.drop("downloads", axis=1)

    if "stars" not in show_checkbox:
        df_search = df_search.drop("stars", axis=1)

    if "first_commit" not in show_checkbox:
        df_search = df_search.drop("first_commit", axis=1)

    if "latest_commit" not in show_checkbox:
        df_search = df_search.drop("latest_commit", axis=1)

    if "description" not in show_checkbox:
        df_search = df_search.drop("description", axis=1)

    if "source" not in show_checkbox:
        df_search = df_search.drop("source", axis=1)

    if "languages" not in show_checkbox:
        df_search = df_search.drop("languages", axis=1)

    if "type" not in show_checkbox:
        df_search = df_search.drop("type", axis=1)

    for query in queries:
        contained_description = data["description"].str.contains(query)

        contained_project_name = data["project_name"].str.contains(query)
        df_search = df_search[contained_description | contained_project_name]
    return df_search


with gr.Blocks() as demo:
    gr.Markdown(
        """
    # Awesome Japanese NLP resources search 🔎
    You can search for open-source software from [1250+ Japanese NLP repositories](https://github.com/taishi-i/awesome-japanese-nlp-resources).
    """
    )

    query = gr.Textbox(label="Search words", placeholder="llm")
    languages = [
        "Python",
        "Jupyter Notebook",
        "Java",
        "C++",
        "JavaScript",
        "TypeScript",
        "C#",
        "Rust",
        "Go",
        "C",
        "Kotlin",
        "Ruby",
        "Perl",
    ]

    language_selector = gr.Dropdown(
        label="Programming Language",
        choices=languages,
    )

    source_checkbox = gr.CheckboxGroup(
        ["GitHub", "Hugging Face", "Dataset", "Model"],
        value=["GitHub", "Hugging Face"],
        label="Source",
    )

    show_checkbox = gr.CheckboxGroup(
        [
            "project_name",
            "downloads",
            "stars",
            "description",
            "first_commit",
            "latest_commit",
            "source",
            "type",
            "languages",
        ],
        value=[
            "project_name",
            "downloads",
            "stars",
            "description",
        ],
        label="Display columns in a table",
    )

    df = gr.DataFrame(
        value=data,
        type="pandas",
        datatype="markdown",
        height=600,
    )

    query.change(
        fn=show_search_results,
        inputs=[
            language_selector,
            query,
            source_checkbox,
            show_checkbox,
        ],
        outputs=df,
    )

    language_selector.change(
        fn=show_search_results,
        inputs=[
            language_selector,
            query,
            source_checkbox,
            show_checkbox,
        ],
        outputs=df,
    )

    source_checkbox.change(
        fn=show_search_results,
        inputs=[
            language_selector,
            query,
            source_checkbox,
            show_checkbox,
        ],
        outputs=df,
    )

    show_checkbox.change(
        fn=show_search_results,
        inputs=[
            language_selector,
            query,
            source_checkbox,
            show_checkbox,
        ],
        outputs=df,
    )

demo.launch()