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

from ..db_engine import db, Reward, model_to_dict, fn
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/rewards',
    tags=['rewards']
)


class RewardModel(pydantic.BaseModel):
    name: str
    season: int
    week: int
    team_id: int
    created: Optional[int] = int(datetime.timestamp(datetime.now())*1000)


@router.get('')
async def get_rewards(
        name: Optional[str] = None, in_name: Optional[str] = None, team_id: Optional[int] = None,
        season: Optional[int] = None, week: Optional[int] = None, created_after: Optional[int] = None,
        flat: Optional[bool] = False, csv: Optional[bool] = None):
    all_rewards = Reward.select()

    if all_rewards.count() == 0:
        db.close()
        raise HTTPException(status_code=404, detail=f'There are no rewards to filter')

    if name is not None:
        all_rewards = all_rewards.where(fn.Lower(Reward.name) == name.lower())
    if team_id is not None:
        all_rewards = all_rewards.where(Reward.team_id == team_id)
    if created_after is not None:
        all_rewards = all_rewards.where(Reward.created >= created_after)
    if in_name is not None:
        all_rewards = all_rewards.where(fn.Lower(Reward.name).contains(in_name.lower()))
    if season is not None:
        all_rewards = all_rewards.where(Reward.season == season)
    if week is not None:
        all_rewards = all_rewards.where(Reward.week == week)

    if all_rewards.count() == 0:
        db.close()
        raise HTTPException(status_code=404, detail=f'No rewards found')

    if csv:
        data_list = [['id', 'name', 'team', 'daily', 'created']]
        for line in all_rewards:
            data_list.append(
                [
                    line.id, line.name, line.team.id, line.daily, line.created
                ]
            )
        return_val = DataFrame(data_list).to_csv(header=False, index=False)

        db.close()
        return Response(content=return_val, media_type='text/csv')

    else:
        return_val = {'count': all_rewards.count(), 'rewards': []}
        for x in all_rewards:
            return_val['rewards'].append(model_to_dict(x, recurse=not flat))

        db.close()
        return return_val


@router.get('/{reward_id}')
async def get_one_reward(reward_id, csv: Optional[bool] = False):
    try:
        this_reward = Reward.get_by_id(reward_id)
    except Exception:
        db.close()
        raise HTTPException(status_code=404, detail=f'No reward found with id {reward_id}')

    if csv:
        data_list = [
            ['id', 'name', 'card_count', 'description'],
            [this_reward.id, this_reward.name, this_reward.team.id, this_reward.daily, this_reward.created]
        ]
        return_val = DataFrame(data_list).to_csv(header=False, index=False)

        db.close()
        return Response(content=return_val, media_type='text/csv')

    else:
        return_val = model_to_dict(this_reward)
        db.close()
        return return_val


@router.post('')
async def post_rewards(reward: RewardModel, 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 rewards. This event has been logged.'
        )

    this_reward = Reward(**reward.dict())

    saved = this_reward.save()
    if saved == 1:
        return_val = model_to_dict(this_reward)
        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 cardset'
        )


@router.patch('/{reward_id}')
async def patch_reward(
        reward_id, name: Optional[str] = None, team_id: Optional[int] = None, created: 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 patch rewards. This event has been logged.'
        )
    try:
        this_reward = Reward.get_by_id(reward_id)
    except Exception:
        db.close()
        raise HTTPException(status_code=404, detail=f'No reward found with id {reward_id}')

    if name is not None:
        this_reward.name = name
    if team_id is not None:
        this_reward.team_id = team_id
    if created is not None:
        this_reward.created = created

    if this_reward.save() == 1:
        return_val = model_to_dict(this_reward)
        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 rarity'
        )


@router.delete('/{reward_id}')
async def delete_reward(reward_id, 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 rewards. This event has been logged.'
        )
    try:
        this_reward = Reward.get_by_id(reward_id)
    except Exception:
        db.close()
        raise HTTPException(status_code=404, detail=f'No reward found with id {reward_id}')

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

    if count == 1:
        raise HTTPException(status_code=200, detail=f'Reward {reward_id} has been deleted')
    else:
        raise HTTPException(status_code=500, detail=f'Reward {reward_id} was not deleted')