#!/usr/bin/env python3
"""Market data API client for live token prices.

Calls Ben's teleo-ai-api endpoint for ownership coin prices.
Used by the Telegram bot to give Rio real-time market context.

Epimetheus owns this module. Rhea: static API key pattern.
"""

import logging
from pathlib import Path

import aiohttp

logger = logging.getLogger("market-data")

API_URL = "https://teleo-ai-api-257133920458.us-east4.run.app/v0/chat/tool/market-data"
API_KEY_FILE = "/opt/teleo-eval/secrets/market-data-key"

# Cache: avoid hitting the API on every message
_cache: dict[str, dict] = {}  # token_name → {data, timestamp}
CACHE_TTL = 300  # 5 minutes


def _load_api_key() -> str | None:
    """Load the market-data API key from secrets."""
    try:
        return Path(API_KEY_FILE).read_text().strip()
    except Exception:
        logger.warning("Market data API key not found at %s", API_KEY_FILE)
        return None


async def get_token_price(token_name: str) -> dict | None:
    """Fetch live market data for a token.

    Returns dict with price, market_cap, volume, etc. or None on failure.
    Caches results for CACHE_TTL seconds.
    """
    import time

    token_upper = token_name.upper().strip("$")

    # Check cache
    cached = _cache.get(token_upper)
    if cached and time.time() - cached["timestamp"] < CACHE_TTL:
        return cached["data"]

    key = _load_api_key()
    if not key:
        return None

    try:
        async with aiohttp.ClientSession() as session:
            async with session.post(
                API_URL,
                headers={
                    "X-Internal-Key": key,
                    "Content-Type": "application/json",
                },
                json={"token": token_upper},
                timeout=aiohttp.ClientTimeout(total=10),
            ) as resp:
                if resp.status >= 400:
                    logger.warning("Market data API %s → %d", token_upper, resp.status)
                    return None
                data = await resp.json()

                # Cache the result
                _cache[token_upper] = {
                    "data": data,
                    "timestamp": time.time(),
                }
                return data
    except Exception as e:
        logger.warning("Market data API error for %s: %s", token_upper, e)
        return None


def format_price_context(data: dict, token_name: str) -> str:
    """Format market data into a concise string for the LLM prompt."""
    if not data:
        return ""

    # API returns a "result" text field with pre-formatted data
    result_text = data.get("result", "")
    if result_text:
        return result_text

    # Fallback for structured JSON responses
    parts = [f"Live market data for {token_name}:"]

    price = data.get("price") or data.get("current_price")
    if price:
        parts.append(f"Price: ${price}")

    mcap = data.get("market_cap") or data.get("marketCap")
    if mcap:
        if isinstance(mcap, (int, float)) and mcap > 1_000_000:
            parts.append(f"Market cap: ${mcap/1_000_000:.1f}M")
        else:
            parts.append(f"Market cap: {mcap}")

    volume = data.get("volume") or data.get("volume_24h")
    if volume:
        parts.append(f"24h volume: ${volume}")

    change = data.get("price_change_24h") or data.get("change_24h")
    if change:
        parts.append(f"24h change: {change}")

    return " | ".join(parts) if len(parts) > 1 else ""