"""Card-related API routes"""
from typing import List, Dict
from fastapi import APIRouter, HTTPException, Depends
from sqlalchemy.ext.asyncio import AsyncSession

from app.models.card import Card, CardDraw, CardDrawResult
from app.services.gacha import GachaService
from app.services.card_master import card_master_service
from app.repositories.user import UserRepository
from app.repositories.card import CardRepository, UniqueCardRepository
from app.db.base import get_session

router = APIRouter(prefix="/cards", tags=["cards"])


@router.post("/draw", response_model=CardDrawResult)
async def draw_card(
    draw_request: CardDraw,
    db: AsyncSession = Depends(get_session)
):
    """
    カードを抽選する
    
    - **user_did**: ユーザーのatproto DID
    - **is_paid**: 課金ガチャかどうか
    """
    try:
        gacha_service = GachaService(db)
        card, is_unique = await gacha_service.draw_card(
            user_did=draw_request.user_did,
            is_paid=draw_request.is_paid
        )
        
        # 演出タイプを決定
        animation_type = "normal"
        if is_unique:
            animation_type = "unique"
        elif card.status.value == "kira":
            animation_type = "kira"
        elif card.status.value in ["super_rare", "rare"]:
            animation_type = "rare"
        
        # 新規取得かチェック
        user_repo = UserRepository(db)
        card_repo = CardRepository(db)
        user = await user_repo.get_by_did(draw_request.user_did)
        count = await card_repo.count_user_cards(user.id, card.id)
        is_new = count == 1  # 今引いたカードが初めてなら1枚
        
        result = CardDrawResult(
            card=card,
            is_new=is_new,
            animation_type=animation_type
        )
        
        await db.commit()
        return result
        
    except Exception as e:
        await db.rollback()
        raise HTTPException(status_code=500, detail=str(e))


@router.get("/user/{user_did}", response_model=List[Card])
async def get_user_cards(
    user_did: str,
    skip: int = 0,
    limit: int = 100,
    db: AsyncSession = Depends(get_session)
):
    """
    ユーザーの所有カード一覧を取得
    
    - **user_did**: ユーザーのatproto DID
    """
    user_repo = UserRepository(db)
    card_repo = CardRepository(db)
    
    user = await user_repo.get_by_did(user_did)
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    
    user_cards = await card_repo.get_user_cards(user.id, skip=skip, limit=limit)
    
    # Convert to API model
    cards = []
    for uc in user_cards:
        card = Card(
            id=uc.card_id,
            cp=uc.cp,
            status=uc.status,
            skill=uc.skill,
            owner_did=user_did,
            obtained_at=uc.obtained_at,
            is_unique=uc.is_unique,
            unique_id=str(uc.unique_id) if uc.unique_id else None
        )
        cards.append(card)
    
    return cards


@router.get("/unique")
async def get_unique_cards(db: AsyncSession = Depends(get_session)):
    """
    全てのuniqueカード一覧を取得（所有者情報付き）
    """
    unique_repo = UniqueCardRepository(db)
    unique_cards = await unique_repo.get_all_unique_cards()
    
    return [
        {
            "card_id": uc.card_id,
            "owner_did": uc.owner_did,
            "obtained_at": uc.obtained_at,
            "unique_id": str(uc.unique_id)
        }
        for uc in unique_cards
    ]


@router.get("/stats")
async def get_gacha_stats(db: AsyncSession = Depends(get_session)):
    """
    ガチャ統計情報を取得
    """
    try:
        card_repo = CardRepository(db)
        
        # 総ガチャ実行数
        total_draws = await card_repo.get_total_card_count()
        
        # レアリティ別カード数
        cards_by_rarity = await card_repo.get_cards_by_rarity()
        
        # 成功率計算（簡易版）
        success_rates = {}
        if total_draws > 0:
            for rarity, count in cards_by_rarity.items():
                success_rates[rarity] = count / total_draws
        
        # 最近の活動（最新10件）
        recent_cards = await card_repo.get_recent_cards(limit=10)
        recent_activity = []
        for card_data in recent_cards:
            recent_activity.append({
                "timestamp": card_data.get("obtained_at", "").isoformat() if card_data.get("obtained_at") else "",
                "user_did": card_data.get("owner_did", "unknown"),
                "card_name": f"Card #{card_data.get('card_id', 0)}",
                "rarity": card_data.get("status", "common")
            })
        
        return {
            "total_draws": total_draws,
            "cards_by_rarity": cards_by_rarity,
            "success_rates": success_rates,
            "recent_activity": recent_activity
        }
        
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Statistics error: {str(e)}")


@router.get("/master", response_model=List[Dict])
async def get_card_master_data():
    """
    全カードマスターデータを取得（ai.jsonから）
    """
    try:
        cards = card_master_service.get_all_cards()
        return cards
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Failed to get card master data: {str(e)}")