"""
BlockchainToken Explorer — HuggingFace Space
Search 303,330 Dogeparty & Counterparty blockchain assets.
Data served from blockchaintoken.com API.
"""
import gradio as gr
import requests
import pandas as pd

API_BASE = "https://blockchaintoken.com/api.php"

def get_stats(network):
    r = requests.get(API_BASE, params={"action": "stats", "network": network}, timeout=10)
    return r.json()

def search_assets(query, network, asset_type, page):
    params = {"action": "search", "network": network, "q": query, "page": int(page)}
    if asset_type and asset_type != "all":
        params["type"] = asset_type
    r = requests.get(API_BASE, params=params, timeout=10)
    data = r.json()
    
    if not data.get("results"):
        return pd.DataFrame(), f"No results found for '{query}'"
    
    rows = []
    for a in data["results"]:
        rows.append({
            "Asset": a.get("asset_longname") or a.get("asset", ""),
            "Type": a.get("type", ""),
            "Supply": f"{a.get('supply', 0):,.0f}",
            "Divisible": "Yes" if a.get("divisible") else "No",
            "Locked": "🔒" if a.get("locked") else "",
            "Description": (a.get("description") or "")[:100],
            "Issuer": (a.get("issuer") or "")[:20] + "..." if len(a.get("issuer","")) > 20 else a.get("issuer",""),
        })
    
    df = pd.DataFrame(rows)
    info = f"Page {data.get('page',1)} of {data.get('pages',1)} — {data.get('total',0):,} total results"
    return df, info

def get_asset_detail(asset_name, network):
    if not asset_name.strip():
        return "Enter an asset name"
    r = requests.get(API_BASE, params={"action": "asset", "network": network, "asset": asset_name.strip()}, timeout=10)
    data = r.json()
    if "error" in data:
        return f"❌ {data['error']}"
    
    lines = [
        f"# {data.get('asset_longname') or data.get('asset', 'Unknown')}",
        "",
        f"**Network:** {network.title()}",
        f"**Type:** {data.get('type', 'unknown')}",
        f"**Supply:** {data.get('supply', 0):,.8f}" if data.get('divisible') else f"**Supply:** {data.get('supply', 0):,.0f}",
        f"**Divisible:** {'Yes' if data.get('divisible') else 'No'}",
        f"**Locked:** {'Yes 🔒' if data.get('locked') else 'No'}",
        f"**Issuer:** `{data.get('issuer', 'unknown')}`",
        f"**Owner:** `{data.get('owner', 'unknown')}`",
    ]
    if data.get("description"):
        lines.append(f"**Description:** {data['description']}")
    
    return "\n".join(lines)

def get_top_issuers(network):
    r = requests.get(API_BASE, params={"action": "issuers", "network": network}, timeout=10)
    data = r.json()
    if not data.get("issuers"):
        return pd.DataFrame()
    rows = []
    for iss in data["issuers"][:20]:
        rows.append({
            "Address": iss.get("issuer","")[:16] + "..." if len(iss.get("issuer","")) > 16 else iss.get("issuer",""),
            "Full Address": iss.get("issuer",""),
            "Assets Created": iss.get("count", 0),
        })
    return pd.DataFrame(rows)

def load_stats(network):
    try:
        s = get_stats(network)
        return (
            f"### {network.title()} Network\n\n"
            f"| Metric | Count |\n|--------|-------|\n"
            f"| **Total Assets** | **{s['total']:,}** |\n"
            f"| Named | {s['named']:,} |\n"
            f"| Numeric | {s['numeric']:,} |\n"
            f"| Subassets | {s['sub']:,} |\n"
            f"| Locked | {s['locked']:,} |"
        )
    except Exception as e:
        return f"Error loading stats: {e}"


# Build the UI
theme = gr.themes.Base(
    primary_hue="amber",
    neutral_hue="gray",
    font=gr.themes.GoogleFont("Space Grotesk"),
    font_mono=gr.themes.GoogleFont("JetBrains Mono"),
).set(
    body_background_fill="#ffffff",
    body_background_fill_dark="#1a1a2e",
    block_background_fill="#f8f8f8",
    block_background_fill_dark="#22223a",
    body_text_color="#1a1a1a",
    body_text_color_dark="#e8e6e3",
    block_label_text_color="#1a1a1a",
    block_label_text_color_dark="#b0b0bc",
    block_title_text_color="#1a1a1a",
    block_title_text_color_dark="#b0b0bc",
    button_primary_background_fill="#b8941e",
    button_primary_background_fill_dark="#c4a035",
    button_primary_text_color="#ffffff",
    button_primary_text_color_dark="#0a0a0f",
    border_color_primary="#b8941e",
    border_color_primary_dark="#c4a035",
    input_background_fill="#ffffff",
    input_background_fill_dark="#2a2a42",
    input_border_color="#cccccc",
    input_border_color_dark="#444466",
)

css = """
.gradio-container { max-width: 1200px !important; }
.main-header { text-align: center; margin-bottom: 1rem; }
.main-header h1 { font-family: 'JetBrains Mono', monospace; color: #b8941e !important; }
.main-header p { color: #555 !important; }
footer { display: none !important; }
/* Ensure all text is readable */
.gradio-dataframe td, .gradio-dataframe th { color: #1a1a1a !important; }
.dark .gradio-dataframe td, .dark .gradio-dataframe th { color: #e8e6e3 !important; }
/* Radio buttons, checkboxes, labels */
.gradio-radio label span, .gradio-radio .group_label, 
input[type="radio"] + label, .radio-group label,
label.svelte-1qxcj04, span.svelte-1qxcj04,
.block label span, .wrap label span { color: #1a1a1a !important; }
.dark .block label span, .dark .wrap label span { color: #e8e6e3 !important; }
/* All form labels and text - force black */
.label-wrap span, .block .label-wrap, .gradio-group label,
label, .label-wrap, .block label, span[data-testid],
.gradio-container label, .gradio-container .label-wrap span,
.block .wrap .label-wrap span, h3, h4 { color: #1a1a1a !important; }
.dark .label-wrap span, .dark .block .label-wrap { color: #e8e6e3 !important; }
/* Input text */
input, textarea, select, .input-text { color: #1a1a1a !important; }
.dark input, .dark textarea, .dark select { color: #e8e6e3 !important; }
/* Dropdown and textbox */
.secondary-text, .token-text { color: #555 !important; }
"""

with gr.Blocks(theme=theme, css=css, title="BlockchainToken Explorer") as demo:
    gr.HTML("""
    <div class="main-header">
        <h1>Ð BLOCKCHAIN<span style="color:#888;font-weight:400">TOKEN</span></h1>
        <p style="color:#555;font-size:0.9rem;">
            The most comprehensive Dogeparty & Counterparty asset database — 303,330 assets indexed.
            <br>Powered by <a href="https://blockchaintoken.com" style="color:#c4a035">blockchaintoken.com</a>
        </p>
    </div>
    """)
    
    with gr.Row():
        network = gr.Radio(
            choices=["dogeparty", "counterparty"],
            value="dogeparty",
            label="Network",
            scale=1,
        )
        stats_display = gr.Markdown(label="Stats")
    
    # Load stats on network change
    network.change(fn=load_stats, inputs=network, outputs=stats_display)
    demo.load(fn=load_stats, inputs=network, outputs=stats_display)
    
    with gr.Tabs():
        with gr.Tab("🔍 Search Assets"):
            with gr.Row():
                search_query = gr.Textbox(label="Search", placeholder="Enter asset name...", scale=3)
                search_type = gr.Dropdown(
                    choices=["all", "named", "numeric", "subasset"],
                    value="all", label="Type", scale=1
                )
                search_page = gr.Number(value=1, label="Page", minimum=1, scale=1)
                search_btn = gr.Button("Search", variant="primary", scale=1)
            
            search_info = gr.Textbox(label="Results", interactive=False)
            search_results = gr.Dataframe(
                label="Assets",
                headers=["Asset", "Type", "Supply", "Divisible", "Locked", "Description", "Issuer"],
                interactive=False,
            )
            search_btn.click(
                fn=search_assets,
                inputs=[search_query, network, search_type, search_page],
                outputs=[search_results, search_info]
            )
            search_query.submit(
                fn=search_assets,
                inputs=[search_query, network, search_type, search_page],
                outputs=[search_results, search_info]
            )
        
        with gr.Tab("📋 Asset Detail"):
            with gr.Row():
                asset_input = gr.Textbox(label="Asset Name", placeholder="e.g. PEPECASH, XDP, FDCARD", scale=3)
                detail_btn = gr.Button("Look Up", variant="primary", scale=1)
            asset_detail = gr.Markdown(label="Asset Information")
            detail_btn.click(fn=get_asset_detail, inputs=[asset_input, network], outputs=asset_detail)
            asset_input.submit(fn=get_asset_detail, inputs=[asset_input, network], outputs=asset_detail)
        
        with gr.Tab("🏆 Top Issuers"):
            issuer_table = gr.Dataframe(
                label="Top 20 Asset Creators",
                headers=["Address", "Full Address", "Assets Created"],
                interactive=False,
            )
            # Auto-load on network change and page load
            network.change(fn=get_top_issuers, inputs=network, outputs=issuer_table)
            demo.load(fn=get_top_issuers, inputs=network, outputs=issuer_table)
    
    gr.HTML("""
    <div style="text-align:center;margin-top:2rem;padding:1rem;border-top:1px solid #ddd;">
        <p style="font-family:'JetBrains Mono',monospace;font-size:0.7rem;color:#666;">
            DATA: <a href="https://blockchaintoken.com" style="color:#b8941e">blockchaintoken.com</a> · 
            API: <a href="https://blockchaintoken.com/api.php?action=stats" style="color:#b8941e">Free JSON API</a> · 
            <a href="https://dogeparty.net" style="color:#b8941e">Dogeparty</a> · 
            <a href="https://counterparty.io" style="color:#b8941e">Counterparty</a>
        </p>
    </div>
    """)

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