# -*- coding: utf-8 -*-
"""
===================================
Sector data endpoints
===================================

Responsibilities:
1. Provide sector momentum data
2. Provide sector ranking
"""

import logging
from datetime import datetime
from typing import Optional, List

from fastapi import APIRouter, Query, Depends

from api.v1.schemas.market import (
    SectorMomentum,
    SectorListResponse,
    KLineChartResponse,
)
from api.v1.schemas.common import ErrorResponse
from src.services.market_service import MarketService

logger = logging.getLogger(__name__)

router = APIRouter()


def get_market_service() -> MarketService:
    """Dependency injection for MarketService"""
    return MarketService()


@router.get(
    "",
    response_model=SectorListResponse,
    responses={
        200: {"description": "Sector momentum list"},
        500: {"description": "Server error", "model": ErrorResponse},
    },
    summary="Get sector momentum list",
    description="Get sector momentum ranking with sorting options"
)
def get_sectors(
    sort: str = Query("momentumValue", description="Sort field (momentumValue, momentumScore, changePercent, rankChange)"),
    order: str = Query("desc", description="Sort order (asc, desc)"),
    limit: int = Query(20, ge=1, le=100, description="Limit count"),
    period: int = Query(5, ge=1, le=60, description="Period for calculating momentum (days)"),
    service: MarketService = Depends(get_market_service)
) -> SectorListResponse:
    """
    Get sector momentum list
    
    Returns sector momentum data sorted by specified field
    """
    try:
        sectors = service.get_sector_momentum(sort=sort, order=order, limit=limit, period=period)
        return SectorListResponse(
            items=sectors,
            total=len(sectors)
        )
    except Exception as e:
        logger.error(f"Failed to get sector momentum: {e}", exc_info=True)
        return SectorListResponse(items=[], total=0)


@router.get(
    "/{sector_code}/kline",
    response_model=KLineChartResponse,
    responses={
        200: {"description": "Sector K-line chart data"},
        404: {"description": "Sector not found", "model": ErrorResponse},
        500: {"description": "Server error", "model": ErrorResponse},
    },
    summary="Get sector K-line chart",
    description="Get sector K-line chart data for ECharts"
)
def get_sector_kline(
    sector_code: str,
    days: int = Query(60, ge=1, le=365, description="Number of days"),
    service: MarketService = Depends(get_market_service)
) -> KLineChartResponse:
    """
    Get sector K-line chart data
    
    Returns K-line data formatted for ECharts
    """
    try:
        kline = service.get_sector_kline(sector_code, days=days)
        return kline
    except Exception as e:
        logger.error(f"Failed to get sector kline: {e}", exc_info=True)
        return KLineChartResponse(
            categoryData=[],
            values=[],
            volumes=[],
            stock_name=None
        )