"""Routes for ETF, index, crypto, currency, and derivatives data."""

from fastapi import APIRouter, Path, Query

from models import ApiResponse
from route_utils import safe, validate_symbol
import market_service

router = APIRouter(prefix="/api/v1")


# --- ETF ---
# NOTE: /etf/search MUST be registered before /etf/{symbol} to avoid shadowing.


@router.get("/etf/search", response_model=ApiResponse)
@safe
async def etf_search(query: str = Query(..., min_length=1, max_length=100)):
    """Search for ETFs by name or keyword."""
    data = await market_service.search_etf(query)
    return ApiResponse(data=data)


@router.get("/etf/{symbol}/info", response_model=ApiResponse)
@safe
async def etf_info(symbol: str = Path(..., min_length=1, max_length=20)):
    """Get ETF profile and info."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_etf_info(symbol)
    return ApiResponse(data=data)


@router.get("/etf/{symbol}/historical", response_model=ApiResponse)
@safe
async def etf_historical(
    symbol: str = Path(..., min_length=1, max_length=20),
    days: int = Query(default=365, ge=1, le=3650),
):
    """Get ETF price history."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_etf_historical(symbol, days=days)
    return ApiResponse(data=data)


# --- Index ---


@router.get("/index/available", response_model=ApiResponse)
@safe
async def index_available():
    """List available market indices."""
    data = await market_service.get_available_indices()
    return ApiResponse(data=data)


@router.get("/index/{symbol}/historical", response_model=ApiResponse)
@safe
async def index_historical(
    symbol: str = Path(..., min_length=1, max_length=20),
    days: int = Query(default=365, ge=1, le=3650),
):
    """Get index price history (e.g., ^GSPC, ^DJI, ^IXIC)."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_index_historical(symbol, days=days)
    return ApiResponse(data=data)


# --- Crypto ---
# NOTE: /crypto/search MUST be registered before /crypto/{symbol} to avoid shadowing.


@router.get("/crypto/search", response_model=ApiResponse)
@safe
async def crypto_search(query: str = Query(..., min_length=1, max_length=100)):
    """Search for cryptocurrencies."""
    data = await market_service.search_crypto(query)
    return ApiResponse(data=data)


@router.get("/crypto/{symbol}/historical", response_model=ApiResponse)
@safe
async def crypto_historical(
    symbol: str = Path(..., min_length=1, max_length=20),
    days: int = Query(default=365, ge=1, le=3650),
):
    """Get cryptocurrency price history (e.g., BTC-USD)."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_crypto_historical(symbol, days=days)
    return ApiResponse(data=data)


# --- Currency ---


@router.get("/currency/{symbol}/historical", response_model=ApiResponse)
@safe
async def currency_historical(
    symbol: str = Path(..., min_length=1, max_length=20),
    days: int = Query(default=365, ge=1, le=3650),
):
    """Get forex price history (e.g., EURUSD, USDSEK)."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_currency_historical(symbol, days=days)
    return ApiResponse(data=data)


# --- Derivatives ---


@router.get("/options/{symbol}/chains", response_model=ApiResponse)
@safe
async def options_chains(symbol: str = Path(..., min_length=1, max_length=20)):
    """Get options chain data."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_options_chains(symbol)
    return ApiResponse(data=data)


@router.get("/futures/{symbol}/historical", response_model=ApiResponse)
@safe
async def futures_historical(
    symbol: str = Path(..., min_length=1, max_length=20),
    days: int = Query(default=365, ge=1, le=3650),
):
    """Get futures price history."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_futures_historical(symbol, days=days)
    return ApiResponse(data=data)


@router.get("/futures/{symbol}/curve", response_model=ApiResponse)
@safe
async def futures_curve(symbol: str = Path(..., min_length=1, max_length=20)):
    """Get futures term structure/curve."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_futures_curve(symbol)
    return ApiResponse(data=data)


# --- Currency Reference Rates (Group H) ---


@router.get("/currency/reference-rates", response_model=ApiResponse)
@safe
async def currency_reference_rates():
    """Get ECB reference exchange rates for 28 major currencies."""
    data = await market_service.get_currency_reference_rates()
    return ApiResponse(data=data)


# --- Index Enhanced (Group F) ---


@router.get("/index/sp500-multiples", response_model=ApiResponse)
@safe
async def sp500_multiples(
    series: str = Query(default="pe_ratio", pattern="^[a-z_]+$"),
):
    """Historical S&P 500 valuation: pe_ratio, shiller_pe_ratio, dividend_yield, etc."""
    data = await market_service.get_sp500_multiples(series)
    return ApiResponse(data=data)


@router.get("/index/{symbol}/constituents", response_model=ApiResponse)
@safe
async def index_constituents(symbol: str = Path(..., min_length=1, max_length=20)):
    """Get index member stocks with sector and price data."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_index_constituents(symbol)
    return ApiResponse(data=data)


@router.get("/etf/{symbol}/nport", response_model=ApiResponse)
@safe
async def etf_nport(symbol: str = Path(..., min_length=1, max_length=20)):
    """Detailed ETF holdings from SEC N-PORT filings."""
    symbol = validate_symbol(symbol)
    data = await market_service.get_etf_nport(symbol)
    return ApiResponse(data=data)