import gradio as gr
import random
from datetime import datetime, timedelta, timezone

# --- 1. 定数とメンバー設定 ---
members = ["かほ", "さや", "こず", "るり", "めぐ", "つづ", "ぎん", "すず", "ひめ", "せら", "いず", "さち"]

# --- 2. 神託ロジック ---
def get_personal_daily_oracle(device_id):
    seed_base = device_id if device_id else "default_fate"
    jst = timezone(timedelta(hours=9))
    today_str = datetime.now(jst).strftime("%Y-%m-%d")
    random.seed(f"{seed_base}_{today_str}")
    
    selected = random.sample(members, 2)
    random.shuffle(selected)
    pair_name = f"{selected[0]}{selected[1]}"
    
    # GitHub側で解析するためのHTML
    oracle_html = f"<div style='letter-spacing: 2px;'>{pair_name}</div>"
    return oracle_html

# --- 3. Gradio UI 設定 ---
with gr.Blocks() as demo:
    device_id_input = gr.Textbox(visible=False)
    result_output = gr.HTML(visible=False)
    
    # 外部(GitHub)から叩かれる関数。api_name は絶対にこれ。
    draw_btn = gr.Button("get_oracle", visible=False)
    
    draw_btn.click(
        fn=get_personal_daily_oracle,
        inputs=[device_id_input],
        outputs=[result_output],
        api_name="get_oracle"
    )

if __name__ == "__main__":
    # エラーの原因をすべて削除。最新版Gradioはこれで動きます。
    demo.launch()