import datetime
import random

from fastapi import APIRouter, Depends, HTTPException, Response, Query
from typing import Optional, List
import logging
import pydantic
from pandas import DataFrame

from ..db_engine import (
    db,
    MlbPlayer,
    Player,
    BattingCard,
    PitchingCard,
    model_to_dict,
    fn,
    chunked,
    query_to_csv,
)
from ..db_helpers import upsert_mlb_players
from ..dependencies import oauth2_scheme, valid_token, LOG_DATA

logging.basicConfig(
    filename=LOG_DATA["filename"],
    format=LOG_DATA["format"],
    level=LOG_DATA["log_level"],
)

router = APIRouter(prefix="/api/v2/mlbplayers", tags=["mlbplayers"])


class PlayerModel(pydantic.BaseModel):
    first_name: str
    last_name: str
    key_mlbam: int
    key_fangraphs: int = None
    key_bbref: str = None
    key_retro: str = None
    offense_col: int = random.randint(1, 3)


class PlayerList(pydantic.BaseModel):
    players: List[PlayerModel]


def update_card_urls(mlbplayer: MlbPlayer):
    logging.info(
        f"Updating cards for mlbplayer: {mlbplayer.first_name} {mlbplayer.last_name} ({mlbplayer.key_bbref})"
    )
    now = datetime.datetime.now()
    c1_update = Player.update(
        {
            Player.image: Player.image.name.split("?d=")[0]
            + f"?d={now.year}-{now.month}-{now.day}"
        }
    ).where(Player.mlbplayer_id == mlbplayer.id)
    count = c1_update.execute()
    logging.info(f"Updated {count} image1s")

    c2_update = Player.update(
        {
            Player.image2: Player.image2.name.split("?d=")[0]
            + f"{now.year}-{now.month}-{now.day}"
        }
    ).where((Player.mlbplayer_id == mlbplayer.id) & (Player.image2.is_null(False)))
    count2 = c2_update.execute()
    logging.info(f"Updated {count2} image2s")

    return count + count2


@router.get("")
async def get_players(
    full_name: list = Query(default=None),
    first_name: list = Query(default=None),
    last_name: list = Query(default=None),
    key_fangraphs: list = Query(default=None),
    key_bbref: list = Query(default=None),
    key_retro: list = Query(default=None),
    key_mlbam: list = Query(default=None),
    offense_col: list = Query(default=None),
    csv: Optional[bool] = False,
):
    all_players = MlbPlayer.select()

    if full_name is not None:
        name_list = [x.lower() for x in full_name]
        all_players = all_players.where(
            fn.lower(MlbPlayer.first_name) + " " + fn.lower(MlbPlayer.last_name)
            << name_list
        )
    if first_name is not None:
        name_list = [x.lower() for x in first_name]
        all_players = all_players.where(fn.lower(MlbPlayer.first_name) << name_list)
    if last_name is not None:
        name_list = [x.lower() for x in last_name]
        all_players = all_players.where(fn.lower(MlbPlayer.last_name) << name_list)
    if key_fangraphs is not None:
        all_players = all_players.where(MlbPlayer.key_fangraphs << key_fangraphs)
    if key_bbref is not None:
        name_list = [x.lower() for x in key_bbref]
        all_players = all_players.where(fn.lower(MlbPlayer.key_bbref) << name_list)
    if key_retro is not None:
        name_list = [x.lower() for x in key_retro]
        all_players = all_players.where(fn.lower(MlbPlayer.key_retro) << name_list)
    if key_mlbam is not None:
        all_players = all_players.where(MlbPlayer.key_mlbam << key_mlbam)
    if offense_col is not None:
        all_players = all_players.where(MlbPlayer.offense_col << offense_col)

    if csv:
        return_val = query_to_csv(all_players)
        db.close()
        return Response(content=return_val, media_type="text/csv")

    return_val = {
        "count": all_players.count(),
        "players": [model_to_dict(x) for x in all_players],
    }
    db.close()
    return return_val


@router.get("/{player_id}")
async def get_one_player(player_id: int):
    this_player = MlbPlayer.get_or_none(MlbPlayer.id == player_id)
    if this_player is None:
        db.close()
        raise HTTPException(
            status_code=404, detail=f"MlbPlayer id {player_id} not found"
        )

    r_data = model_to_dict(this_player)
    db.close()
    return r_data


@router.patch("/{player_id}")
async def patch_player(
    player_id: int,
    first_name: Optional[str] = None,
    last_name: Optional[str] = None,
    key_fangraphs: Optional[str] = None,
    key_bbref: Optional[str] = None,
    key_retro: Optional[str] = None,
    key_mlbam: Optional[str] = None,
    offense_col: Optional[str] = None,
    token: str = Depends(oauth2_scheme),
):
    if not valid_token(token):
        logging.warning(f"Bad Token: {token}")
        db.close()
        raise HTTPException(
            status_code=401,
            detail="You are not authorized to patch mlb players. This event has been logged.",
        )

    this_player = MlbPlayer.get_or_none(MlbPlayer.id == player_id)
    if this_player is None:
        db.close()
        raise HTTPException(
            status_code=404, detail=f"MlbPlayer id {player_id} not found"
        )

    if first_name is not None:
        this_player.first_name = first_name
    if last_name is not None:
        this_player.last_name = last_name
    if key_fangraphs is not None:
        this_player.key_fangraphs = key_fangraphs
    if key_bbref is not None:
        this_player.key_bbref = key_bbref
    if key_retro is not None:
        this_player.key_retro = key_retro
    if key_mlbam is not None:
        this_player.key_mlbam = key_mlbam
    if offense_col is not None:
        this_player.offense_col = offense_col

    if this_player.save() == 1:
        return_val = model_to_dict(this_player)
        db.close()
        return return_val
    else:
        db.close()
        raise HTTPException(
            status_code=418,
            detail="Well slap my ass and call me a teapot; I could not save that player",
        )


@router.post("")
async def post_players(players: PlayerList, token: str = Depends(oauth2_scheme)):
    if not valid_token(token):
        logging.warning(f"Bad Token: {token}")
        db.close()
        raise HTTPException(
            status_code=401,
            detail="You are not authorized to post mlb players. This event has been logged.",
        )

    new_players = []
    for x in players.players:
        dupes = MlbPlayer.select().where(
            (MlbPlayer.key_fangraphs == x.key_fangraphs)
            | (MlbPlayer.key_mlbam == x.key_mlbam)
            | (MlbPlayer.key_retro == x.key_retro)
            | (MlbPlayer.key_bbref == x.key_bbref)
        )
        if dupes.count() > 0:
            db.close()
            raise HTTPException(
                status_code=400,
                detail=f"{x.first_name} {x.last_name} has a key already in the database",
            )

        new_players.append(x.dict())

    with db.atomic():
        # Use PostgreSQL-compatible upsert helper
        # Note: Duplicate check is already done above, so this is effectively just insert
        upsert_mlb_players(new_players, batch_size=15)
    db.close()

    return f"Inserted {len(new_players)} new MLB players"


@router.post("/one")
async def post_one_player(player: PlayerModel, token: str = Depends(oauth2_scheme)):
    if not valid_token(token):
        logging.warning(f"Bad Token: {token}")
        db.close()
        raise HTTPException(
            status_code=401,
            detail="You are not authorized to post mlb players. This event has been logged.",
        )

    dupes = MlbPlayer.select().where(
        (MlbPlayer.key_fangraphs == player.key_fangraphs)
        | (MlbPlayer.key_mlbam == player.key_mlbam)
        | (MlbPlayer.key_bbref == player.key_bbref)
    )
    if dupes.count() > 0:
        logging.info(f"POST /mlbplayers/one - dupes found:")
        for x in dupes:
            logging.info(f"{x}")
        db.close()
        raise HTTPException(
            status_code=400,
            detail=f"{player.first_name} {player.last_name} has a key already in the database",
        )

    new_player = MlbPlayer(**player.dict())
    saved = new_player.save()
    if saved == 1:
        return_val = model_to_dict(new_player)
        db.close()
        return return_val
    else:
        raise HTTPException(
            status_code=418,
            detail="Well slap my ass and call me a teapot; I could not save that player",
        )


@router.delete("/{player_id}")
async def delete_player(player_id: int, token: str = Depends(oauth2_scheme)):
    if not valid_token(token):
        logging.warning(f"Bad Token: {token}")
        db.close()
        raise HTTPException(
            status_code=401,
            detail="You are not authorized to delete mlb players. This event has been logged.",
        )

    this_player = MlbPlayer.get_or_none(MlbPlayer.id == player_id)
    if this_player is None:
        db.close()
        raise HTTPException(
            status_code=404, detail=f"MlbPlayer id {player_id} not found"
        )

    count = this_player.delete_instance()
    db.close()

    if count == 1:
        raise HTTPException(
            status_code=200, detail=f"Player {player_id} has been deleted"
        )
    else:
        raise HTTPException(
            status_code=500, detail=f"Player {player_id} was not deleted"
        )


@router.post("/update-cols")
@router.post("/update-cols/{mlbplayer_id}")
async def update_columns(
    mlbplayer_id: Optional[int] = None, token: str = Depends(oauth2_scheme)
):
    if not valid_token(token):
        logging.warning(f"Bad Token: {token}")
        db.close()
        raise HTTPException(
            status_code=401,
            detail="You are not authorized to update mlb players. This event has been logged.",
        )

    p_query = MlbPlayer.select()
    if mlbplayer_id is not None:
        p_query = p_query.where(MlbPlayer.id == mlbplayer_id)

    total_count = 0
    for x in p_query:
        all_players = Player.select().where(Player.mlbplayer == x)
        bc_update = BattingCard.update(
            {
                BattingCard.offense_col: x.offense_col,
            }
        ).where(
            (BattingCard.player << all_players)
            & (BattingCard.offense_col != x.offense_col)
        )
        count = bc_update.execute()
        total_count += count
        logging.info(f"Updated {count} batting cards for {x.first_name} {x.last_name}")
        update_card_urls(x)

    db.close()
    return f"Updated {total_count} batting cards"


@router.post("/update-names")
@router.post("/update-names/{mlbplayer_id}")
async def update_names(
    mlbplayer_id: Optional[int] = None, token: str = Depends(oauth2_scheme)
):
    if not valid_token(token):
        logging.warning(f"Bad Token: {token}")
        db.close()
        raise HTTPException(
            status_code=401,
            detail="You are not authorized to update mlb players. This event has been logged.",
        )

    p_query = MlbPlayer.select()
    if mlbplayer_id is not None:
        p_query = p_query.where(MlbPlayer.id == mlbplayer_id)

    total_count = 0
    for x in p_query:
        p_update = Player.update(
            {Player.p_name: f"{x.first_name} {x.last_name}"}
        ).where(
            (Player.mlbplayer == x) & (Player.p_name != f"{x.first_name} {x.last_name}")
        )
        count = p_update.execute()
        total_count += count
        logging.info(f"Update {count} player records for {x.first_name} {x.last_name}")
        update_card_urls(x)

    db.close()
    return f"Updated {total_count} names"


# @router.post('/link-players')
# async def post_players(token: str = Depends(oauth2_scheme)):
#     if not valid_token(token):
#         logging.warning(f'Bad Token: {token}')
#         db.close()
#         raise HTTPException(
#             status_code=401,
#             detail='You are not authorized to link mlb players. This event has been logged.'
#         )
#
#     for x in Player.select().where(Player.mlbplayer.is_null()):
#         p_query = MlbPlayer.get_or_none(MlbPlayer.key_bbref == x.key_bbref)
#         if p_query is not None:
#             x.mlbplayer = p_query
#             x.save()