"""
Custom Gradio Theme for Akatsuki AI Technologies

Professional branding and styling for the CEO chatbot interface.

Example usage:
    import gradio as gr
    from app.theme import get_akatsuki_theme, CUSTOM_CSS

    with gr.Blocks(theme=get_akatsuki_theme(), css=CUSTOM_CSS) as demo:
        ...
"""

try:
    import gradio as gr
    from gradio.themes.base import Base
    from gradio.themes.utils import colors, fonts, sizes

    GRADIO_AVAILABLE = True
except ImportError:
    GRADIO_AVAILABLE = False


# Akatsuki Brand Colors
AKATSUKI_COLORS = {
    "primary": "#1a1a2e",      # Deep navy
    "secondary": "#16213e",    # Dark blue
    "accent": "#0f3460",       # Medium blue
    "highlight": "#e94560",    # Red accent
    "text_primary": "#ffffff",
    "text_secondary": "#a0a0a0",
    "background": "#0f0f23",
    "surface": "#1a1a2e",
    "border": "#2a2a4e",
}


def get_akatsuki_theme():
    """
    Create custom Gradio theme for Akatsuki AI Technologies.

    Returns:
        Gradio theme object
    """
    if not GRADIO_AVAILABLE:
        return None

    return gr.themes.Base(
        primary_hue=gr.themes.Color(
            c50="#e8e8f0",
            c100="#c5c5d8",
            c200="#9f9fc0",
            c300="#7878a8",
            c400="#5a5a96",
            c500="#1a1a2e",
            c600="#16213e",
            c700="#0f3460",
            c800="#0a2540",
            c900="#051525",
            c950="#020a10",
        ),
        secondary_hue=gr.themes.Color(
            c50="#fff0f3",
            c100="#ffd6de",
            c200="#ffb3c1",
            c300="#ff8fa3",
            c400="#ff6b88",
            c500="#e94560",
            c600="#d63d56",
            c700="#c2354c",
            c800="#9e2b3e",
            c900="#7a2130",
            c950="#4a1420",
        ),
        neutral_hue=gr.themes.Color(
            c50="#f5f5f7",
            c100="#e5e5ea",
            c200="#d1d1d6",
            c300="#aeaeb2",
            c400="#8e8e93",
            c500="#636366",
            c600="#48484a",
            c700="#3a3a3c",
            c800="#2c2c2e",
            c900="#1c1c1e",
            c950="#0f0f10",
        ),
        font=[
            gr.themes.GoogleFont("Inter"),
            "ui-sans-serif",
            "system-ui",
            "sans-serif",
        ],
        font_mono=[
            gr.themes.GoogleFont("JetBrains Mono"),
            "ui-monospace",
            "monospace",
        ],
    ).set(
        # Body
        body_background_fill="#0f0f23",
        body_background_fill_dark="#0a0a18",

        # Blocks
        block_background_fill="#1a1a2e",
        block_background_fill_dark="#151528",
        block_border_color="#2a2a4e",
        block_border_width="1px",
        block_label_background_fill="#16213e",
        block_label_text_color="#ffffff",
        block_radius="12px",
        block_shadow="0 4px 6px -1px rgba(0, 0, 0, 0.3)",

        # Inputs
        input_background_fill="#16213e",
        input_background_fill_dark="#121225",
        input_border_color="#2a2a4e",
        input_border_width="1px",
        input_radius="8px",

        # Buttons
        button_primary_background_fill="#e94560",
        button_primary_background_fill_hover="#d63d56",
        button_primary_text_color="#ffffff",
        button_secondary_background_fill="#0f3460",
        button_secondary_background_fill_hover="#16213e",
        button_secondary_text_color="#ffffff",

        # Text
        body_text_color="#ffffff",
        body_text_color_subdued="#a0a0a0",
    )


# Custom CSS for additional styling
CUSTOM_CSS = """
/* Global styles */
.gradio-container {
    max-width: 1200px !important;
    margin: auto !important;
}

/* Header styling */
.header-container {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid #2a2a4e;
}

.header-title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.header-subtitle {
    font-size: 1rem;
    color: #a0a0a0;
}

.header-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
    border-radius: 50%;
    border: 3px solid #e94560;
}

/* Chat container */
.chat-container {
    border: 1px solid #2a2a4e;
    border-radius: 12px;
    overflow: hidden;
}

/* Message styling */
.message {
    padding: 1rem;
    margin: 0.5rem;
    border-radius: 12px;
}

.user-message {
    background: #0f3460 !important;
    border: 1px solid #2a2a4e;
}

.bot-message {
    background: #1a1a2e !important;
    border: 1px solid #2a2a4e;
}

/* Input area */
.input-area {
    background: #16213e;
    padding: 1rem;
    border-top: 1px solid #2a2a4e;
}

/* Buttons */
.primary-btn {
    background: linear-gradient(135deg, #e94560 0%, #d63d56 100%) !important;
    border: none !important;
    font-weight: 600 !important;
    transition: transform 0.2s, box-shadow 0.2s !important;
}

.primary-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.4) !important;
}

.secondary-btn {
    background: transparent !important;
    border: 1px solid #2a2a4e !important;
    color: #a0a0a0 !important;
}

.secondary-btn:hover {
    background: #16213e !important;
    color: #ffffff !important;
}

/* Status indicator */
.status-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #16213e;
    border-radius: 8px;
    font-size: 0.875rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    animation: pulse 2s infinite;
}

.status-dot.loading {
    background: #fbbf24;
}

.status-dot.error {
    background: #ef4444;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Footer */
.footer {
    text-align: center;
    padding: 1rem;
    color: #636366;
    font-size: 0.875rem;
    border-top: 1px solid #2a2a4e;
    margin-top: 1.5rem;
}

/* Response time badge */
.response-time {
    font-size: 0.75rem;
    color: #636366;
    padding: 0.25rem 0.5rem;
    background: #16213e;
    border-radius: 4px;
    margin-top: 0.5rem;
    display: inline-block;
}

/* Feedback buttons */
.feedback-btn {
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
    border-radius: 6px !important;
    min-width: auto !important;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .header-title {
        font-size: 1.5rem;
    }

    .header-subtitle {
        font-size: 0.875rem;
    }

    .gradio-container {
        padding: 0.5rem !important;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: #2a2a4e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a3a5e;
}
"""


def get_header_html(
    title: str = "AI Executive Assistant",
    subtitle: str = "Powered by Akatsuki AI Technologies",
    logo_url: str = None,
) -> str:
    """
    Generate header HTML for the chatbot.

    Args:
        title: Main title
        subtitle: Subtitle text
        logo_url: Optional logo image URL

    Returns:
        HTML string
    """
    logo_html = ""
    if logo_url:
        logo_html = f'<img src="{logo_url}" class="header-logo" alt="Logo">'

    return f"""
    <div class="header-container">
        {logo_html}
        <h1 class="header-title">{title}</h1>
        <p class="header-subtitle">{subtitle}</p>
    </div>
    """


def get_footer_html(
    company_name: str = "Akatsuki AI Technologies",
    year: int = 2024,
) -> str:
    """
    Generate footer HTML.

    Args:
        company_name: Company name
        year: Copyright year

    Returns:
        HTML string
    """
    return f"""
    <div class="footer">
        <p>&copy; {year} {company_name}. All rights reserved.</p>
        <p>Powered by fine-tuned Llama 3</p>
    </div>
    """


def get_status_html(status: str = "ready", message: str = "Model loaded") -> str:
    """
    Generate status indicator HTML.

    Args:
        status: Status type (ready, loading, error)
        message: Status message

    Returns:
        HTML string
    """
    dot_class = "status-dot"
    if status == "loading":
        dot_class += " loading"
    elif status == "error":
        dot_class += " error"

    return f"""
    <div class="status-container">
        <span class="{dot_class}"></span>
        <span>{message}</span>
    </div>
    """


if __name__ == "__main__":
    # Test theme
    if GRADIO_AVAILABLE:
        theme = get_akatsuki_theme()
        print("Theme created successfully")
        print(f"Primary hue: {theme.primary_hue}")
    else:
        print("Gradio not available")