app.py

import os
import time
import requests
import gradio as gr

HTML_HEADER = """
<header style="text-align: center; padding: 20px; border-bottom: 2px solid #cc3300;">
    <h1>Demo of Audio Deepfake Detection</h1>
    <p style="font-size: 18px;">
        To learn more, visit our website: <a href="https://dataspike.io/" target="_blank" style="font-size: 20px; text-decoration: none;">
        https://dataspike.io/ </a>
    </p>
    <img src="https://api.visitorbadge.io/api/visitors?path=https%3A%2F%2Fhuggingface.co%2Fspaces%2Fdataspike%2FAudio-Deepfake-Detection&countColor=%23263759"
         alt="Visitor Count"
         style="display: none;">
</header>
"""

def get_verdict_html(score, verdict):
    """Generate HTML verdict block based on score and verdict."""

    # Determine color and label based on verdict
    if verdict == "deepfake_likely":
        color = "#E74C3C"
        label = "Deepfake"
        description = "This audio shows strong signs of manipulation (likely a deepfake)."
    elif verdict == "deepfake_unlikely":
        color = "#2ECC71"
        label = "Not Deepfake"
        description = "This audio appears to be genuine."
    else:
        color = "#F39C12"
        label = "Uncertain"
        description = "The analysis is inconclusive. Further verification may be needed."

    # Convert score to percentage
    percentage = int(score * 100)

    html = f"""
    <div style="
        background: linear-gradient(135deg, {color}15 0%, {color}05 100%);
        border: 2px solid {color};
        border-radius: 12px;
        padding: 24px;
        margin: 20px 0;
        text-align: center;
    ">
        <h2 style="color: {color}; margin: 0 0 12px 0; font-size: 32px;">{label}</h2>
        <p style="font-size: 18px; color: #E0E0E0; margin: 12px 0;">{description}</p>
        <div style="
            background: rgba(0,0,0,0.3);
            border-radius: 8px;
            padding: 16px;
            margin-top: 16px;
        ">
            <p style="font-size: 16px; color: #B0B0B0; margin: 0;">Deepfake Probability</p>
            <p style="font-size: 36px; font-weight: bold; color: {color}; margin: 8px 0 0 0;">{percentage}%</p>
        </div>
    </div>
    """
    return html

def api_status(job_id, poll_interval=1.0, max_attempts=120):
    """Poll API for job status until completion."""
    url = f"https://api.dataspike.io/api/v4/deepfake/job/{job_id}"
    headers = {"ds-api-token": os.getenv("API_KEY")}

    for attempt in range(max_attempts):
        try:
            resp = requests.get(url, headers=headers, timeout=10)
            result = resp.json()
            status = result.get("status", "")

            if status in ("completed", "done", "error", "failed"):
                return result

            time.sleep(poll_interval)
        except Exception as e:
            # If polling fails, return error
            return {
                "status": "error",
                "errors": [f"Polling failed: {str(e)}"]
            }

    # If max attempts reached
    return {
        "status": "error",
        "errors": ["Timeout: processing took too long"]
    }


def check_audio_deepfake(file_path):
    """Check if audio is a deepfake using the API."""
    if not file_path:
        return """
        <div style="
            background: rgba(231, 76, 60, 0.1);
            border: 2px solid #E74C3C;
            border-radius: 12px;
            padding: 24px;
            margin: 20px 0;
            text-align: center;
        ">
            <h2 style="color: #E74C3C; margin: 0 0 12px 0;">No Audio File</h2>
            <p style="font-size: 18px; color: #E0E0E0;">Please submit an audio file first and then click the button 'Check Audio!'</p>
        </div>
        """

    url = "https://api.dataspike.io/api/v4/deepfake/audio/analyze"
    headers = {"ds-api-token": os.getenv("API_KEY")}

    try:
        # Step 1: Submit audio file and get job_id
        with open(file_path, "rb") as f:
            files = {"file": f}
            response = requests.post(url, headers=headers, files=files)

        job_response = response.json()

        # Check if we got a job_id
        if "id" not in job_response:
            return """
            <div style="
                background: rgba(231, 76, 60, 0.1);
                border: 2px solid #E74C3C;
                border-radius: 12px;
                padding: 24px;
                margin: 20px 0;
                text-align: center;
            ">
                <h2 style="color: #E74C3C; margin: 0 0 12px 0;">Upload Failed</h2>
                <p style="font-size: 18px; color: #E0E0E0;">Failed to upload audio file. Please try again.</p>
            </div>
            """

        job_id = job_response["id"]

        # Step 2: Poll for results
        deepfake_result = api_status(job_id)

        # Check verdict and show appropriate message
        if deepfake_result.get("status") in ("completed", "done"):
            score = deepfake_result.get("score", 0)
            verdict = deepfake_result.get("verdict", "unknown")
            return get_verdict_html(score, verdict)
        elif deepfake_result.get("status") in ("error", "failed"):
            return """
            <div style="
                background: rgba(231, 76, 60, 0.1);
                border: 2px solid #E74C3C;
                border-radius: 12px;
                padding: 24px;
                margin: 20px 0;
                text-align: center;
            ">
                <h2 style="color: #E74C3C; margin: 0 0 12px 0;">Detection Failed</h2>
                <p style="font-size: 18px; color: #E0E0E0;">The audio quality is not acceptable or the file is corrupted. Please try with a different audio file.</p>
            </div>
            """
        else:
            return ""

    except Exception as e:
        return f"""
        <div style="
            background: rgba(231, 76, 60, 0.1);
            border: 2px solid #E74C3C;
            border-radius: 12px;
            padding: 24px;
            margin: 20px 0;
            text-align: center;
        ">
            <h2 style="color: #E74C3C; margin: 0 0 12px 0;">Error</h2>
            <p style="font-size: 18px; color: #E0E0E0;">API request failed: {str(e)}</p>
        </div>
        """


tabs_css = """
/* Style all Gradio tab buttons */
button[role="tab"] {
    font-size: 14px !important;
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600 !important;
    padding: 12px 24px !important;
    margin: 0 6px !important;
    background-color: #0B0F19 !important;
    color: #F3F4F6 !important;
    border-radius: 8px !important;
    border: 1px solid #1a1a1a !important;
    box-shadow: none !important;
    transition: all 0.2s ease !important;
}

/* Style selected tab button */
button[role="tab"].selected {
    background-color: #635bff !important;
    color: white !important;
    box-shadow: 0 0 6px rgba(99, 91, 255, 0.5) !important;
}

/* Inactive tab style */
button[role="tab"]:not(.selected) {
    font-size: 14px !important;
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 600 !important;
    padding: 12px 24px !important;
    margin: 0 6px !important;
    background-color: #9D2C53 !important;
    color: #F3F4F6 !important;
    border-radius: 8px !important;
    border: 1px solid #1a1a1a !important;
    box-shadow: none !important;
    transition: all 0.2s ease !important;
}

/* Optional: hover effect */
button[role="tab"]:hover {
    background-color: #1a1a2b !important;
    color: white !important;
}
"""


with gr.Blocks(theme=gr.themes.Soft(), css=tabs_css) as Demo:
    header_box = gr.HTML(HTML_HEADER)
    with gr.Row(equal_height=True):
        with gr.Column(scale=1):
            input_audio_path = gr.Audio(
                label="Input Audio",
                type="filepath",
                sources=["upload", "microphone"]
            )
            check_button = gr.Button("Check Audio!", variant="primary")
        with gr.Column(scale=1):
            verdict_box = gr.HTML("")

    check_button.click(
        check_audio_deepfake,
        inputs=input_audio_path,
        outputs=verdict_box,
    )


if __name__ == "__main__":
    Demo.launch()