import logging, random # , uvicorn

from enum import Enum
#from datetime import datetime, time, timedelta
from fastapi import Body, Cookie, Depends, FastAPI, File, Form, Header, HTTPException, Path, Query, Request, status, UploadFile
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import FileResponse, HTMLResponse, JSONResponse, PlainTextResponse
from fastapi.staticfiles import StaticFiles
from functools import lru_cache
from pydantic import BaseModel, EmailStr, Field
from typing import Dict, List, Optional, Set, Union

from sqlalchemy import create_engine, text
from sqlalchemy.exc import IntegrityError, OperationalError

from . import config
from .lib_general import *
from .log import *

# Import the routers here first:
from .routers import api_crud, address, websockets # , items, journals, users

from .db_sql import db


print('### **** *** ** * The Aether FastAPI API app is starting... * ** *** **** ###')


#log = logging.getLogger('root')
#log.setLevel(logging.ERROR) # DEBUG > INFO > WARNING > ERROR > CRITICAL
#logging.basicConfig(
    #format='[%(asctime)s] %(levelname)s @ %(module)s.%(funcName)s()#%(lineno)d: %(message)s'
    #)


app = FastAPI()


@lru_cache()
def get_settings():
    return config.Settings()


app.mount('/static', StaticFiles(directory='static'), name='static')


# Set up each route once the router has been imported
app.include_router(
    api_crud.router,
    prefix='/crud',
    tags=['CRUD'],
    #dependencies=[Depends(get_token_header)],
    #dependencies=[Depends(get_account_header)],
    #responses={404: {'description': 'Not found'}},
)
app.include_router(
    address.router,
    prefix='/address',
    tags=['Address'],
    #dependencies=[Depends(get_token_header)],
    #dependencies=[Depends(get_account_header)],
    #responses={404: {'description': 'Not found'}},
)
app.include_router(
    websockets.router,
    #prefix='/websocket',
    tags=['Websockets'],
    #dependencies=[Depends(get_token_header)],
    #dependencies=[Depends(get_account_header)],
    #responses={404: {'description': 'Not found'}},
)


# BEGIN: CORS
origins = [
    'http://fastapi.localhost',
    'http://localhost',
    'http://localhost:5000',
    'http://fastapi.localhost:5000',
    'https://oneskyit.com',
]

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_origin_regex='https://.*\.oneskyit\.com',
    allow_credentials=True,
    allow_methods=['*'],
    allow_headers=['*'],
    #expose_headers=[],
    #max_age=600,
)
# END: CORS


@app.on_event('startup')
async def startup():
    log.setLevel(logging.INFO) # DEBUG, INFO, WARN, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    log.info('FastAPI app is starting up...')
    #await database.connect()


@app.on_event('shutdown')
async def shutdown():
    log.setLevel(logging.INFO) # DEBUG, INFO, WARN, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    log.info('FastAPI app is shutting down...')
    #await database.disconnect()


#Add the processing time to the response header.
@app.middleware('http')
async def add_process_time_header(request: Request, call_next):
    import time
    start_time = time.time()
    response = await call_next(request)
    process_time = time.time() - start_time
    response.headers['X-Process-Time'] = str(process_time)
    return response


@app.get('/', tags=['Default'])
async def get_root():
    log.setLevel(logging.INFO) # DEBUG, INFO, WARN, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    log.info(config.settings.APP_NAME)

    log.setLevel(logging.DEBUG)

    print('***')
    log.debug('This is debug') # 10 DEBUG
    log.info('This is info') # 20 INFO
    log.warn('This is warn') # 30 WARNING
    log.warning('This is a warning') # 30 WARNING
    log.error('This is an error') # 40 ERROR
    log.exception('This is an exception') # 40 ERROR
    log.critical('This is critical') # 50 CRITICAL
    #print('----')
    #logging.debug('This is debug') # 10 DEBUG
    #logging.info('This is info') # 20 INFO
    #logging.warn('This is warn') # 30 WARNING
    #logging.warning('This is a warning') # 30 WARNING
    #logging.error('This is an error') # 40 ERROR
    #logging.exception('This is an exception') # 40 ERROR
    #logging.critical('This is critical') # 50 CRITICAL
    print('^^^')

    return {'hello': 'This is the Aether API using FastAPI.'}


# ### TEST TEST TEST ### #
@app.get('/quick_test', tags=['Default'])
async def quick_test():
    log.setLevel(logging.DEBUG) # DEBUG, INFO, WARN, WARNING, ERROR, EXCEPTION, CRITICAL
    log.debug(locals())

    log.info('Getting all accounts...')

    sql = text(
    """
    SELECT *
    FROM `account`
    """
    )
    try:
        result = db.execute(sql)
    except Exception as e:
        log.error('*** An exception happened. ***')
        log.error(repr(e))
        log.error('***')
        log.error(str(e))
        log.error('^^^ exception ^^^')
    else:
        if result.rowcount:
            records = result.fetchall()
            log.debug(records)
        else:
            log.warning('Something went wrong.')

    log.info('Got the account list')

    response = {}
    response['hello'] = 'This is the Aether API using FastAPI.'
    response['data'] = records

    return response
# ### TEST TEST TEST ### #