import streamlit as st

# code for fixing the issue with streamlit tabs rendering height 0 when not active
# https://github.com/streamlit/streamlit/issues/7376 
# 
# see also https://github.com/randyzwitch/streamlit-folium/issues/128, got
#   closed becasue it is apparently a st.tabs problem


import uuid, html
# workaround for streamlit making tabs height 0 when not active, breaks map
def inject_iframe_js_code(source: str) -> None:
    div_id = uuid.uuid4()

    st.markdown(
        f"""
    <div style="height: 0; width: 0; overflow: hidden;" id="{div_id}">
        <iframe src="javascript: \
            var script = document.createElement('script'); \
            script.type = 'text/javascript'; \
            script.text = {html.escape(repr(source))}; \
            var div = window.parent.document.getElementById('{div_id}'); \
            div.appendChild(script); \
            setTimeout(function() {{ }}, 0); \
        "></iframe>
    </div>
    """,
        unsafe_allow_html=True,
    )
    
def js_show_zeroheight_iframe(component_iframe_title: str, height: str = "auto"):
    source = f"""
    (function() {{
    var attempts = 0;
    const maxAttempts = 20; // Max attempts to find the iframe
    const intervalMs = 250; // Interval between attempts in milliseconds

    function setIframeHeight() {{
        const intervalId = setInterval(function() {{
            var iframes = document.querySelectorAll('iframe[title="{component_iframe_title}"]');
            if (iframes.length > 0 || attempts > maxAttempts) {{
                if (iframes.length > 0) {{
                    iframes.forEach(iframe => {{
                        if (iframe || iframe.height === "0" || iframe.style.height === "0px") {{
                            iframe.style.height = "{height}";
                            iframe.setAttribute("height", "{height}");
                            console.log('Height of iframe with title "{component_iframe_title}" set to {height}.');
                        }}
                    }});
                }} else {{
                    console.log('Iframes with title "{component_iframe_title}" not found after ' + maxAttempts + ' attempts.');
                }}
                clearInterval(intervalId); // Stop checking
            }}
            attempts++;
        }}, intervalMs);
    }}


    function trackInteraction(event) {{
        console.log('User interaction detected:', event.type);
        setIframeHeight();
    }}

    setIframeHeight();
    document.addEventListener('click', trackInteraction);
}})();
    """
    inject_iframe_js_code(source)