import requests
import json

def convert_newlines_to_google_chat_format(text):
    # 改行文字を <br> タグに置き換える
    return text.replace('\\n', '\\\n')

def send_google_chat_card(webhook_url, title, subtitle, link_text, link_url):
    headers = {
        'Content-Type': 'application/json; charset=UTF-8'
    }

    subtitle = convert_newlines_to_google_chat_format(subtitle)

    card_message = {
        "cards": [
            {
                "header": {
                    "title": title,
                },
                "sections": [
                    {
                        "widgets": [
                            {
                                "textParagraph": {
                                    "text": subtitle
                                }
                            },
                            {
                                "textParagraph": {
                                    "text": "<b>{}</b>".format(link_text)
                                }
                            },
                            {
                                "buttons": [
                                    {
                                        "textButton": {
                                            "text": "Open Link",
                                            "onClick": {
                                                "openLink": {
                                                    "url": link_url
                                                }
                                            }
                                        }
                                    }
                                ]
                            },
                        ]
                    }
                ]
            }
        ]
    }


    response = requests.post(webhook_url, headers=headers, data=json.dumps(card_message))

    if response.status_code == 200:
        print("Message posted successfully.")
    else:
        print(f"Failed to post message: {response.status_code}, {response.text}")