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

import httpx
from fastapi import APIRouter, BackgroundTasks, Depends
from sqlalchemy.orm import Session

from ...errors import ClanError
from .. import sql_crud, sql_db, sql_models
from ..schemas import (
    Entity,
    EntityCreate,
    Resolution,
    Service,
    ServiceCreate,
)
from ..tags import Tags

router = APIRouter()

log = logging.getLogger(__name__)


#########################
#                       #
#        Service        #
#                       #
#########################
@router.post("/api/v1/service", response_model=Service, tags=[Tags.services])
async def create_service(
    service: ServiceCreate, db: Session = Depends(sql_db.get_db)
) -> Service:
    # todo checken ob schon da ...
    return sql_crud.create_service(db=db, service=service)


@router.get("/api/v1/services", response_model=List[Service], tags=[Tags.services])
async def get_all_services(
    skip: int = 0, limit: int = 100, db: Session = Depends(sql_db.get_db)
) -> List[sql_models.Service]:
    services = sql_crud.get_services(db, skip=skip, limit=limit)
    return services


@router.get(
    "/api/v1/{entity_did}/service", response_model=List[Service], tags=[Tags.services]
)
async def get_service_by_did(
    entity_did: str = "did:sov:test:1234",
    skip: int = 0,
    limit: int = 100,
    db: Session = Depends(sql_db.get_db),
) -> List[sql_models.Service]:
    service = sql_crud.get_services_by_entity_did(db, entity_did=entity_did)
    return service


@router.delete("/api/v1/{entity_did}/service", tags=[Tags.services])
async def delete_service(
    entity_did: str = "did:sov:test:1234",
    db: Session = Depends(sql_db.get_db),
) -> dict[str, str]:
    sql_crud.delete_service_by_entity_did(db, entity_did)
    return {"message": "service deleted"}


#########################
#                       #
#         Client        #
#                       #
#########################
@router.get(
    "/api/v1/{entity_did}/clients", response_model=List[Service], tags=[Tags.clients]
)
async def get_all_clients(
    entity_did: str = "did:sov:test:1234",
    skip: int = 0,
    limit: int = 100,
    db: Session = Depends(sql_db.get_db),
) -> List[sql_models.Service]:
    clients = sql_crud.get_services_without_entity_id(
        db, entity_did, skip=skip, limit=limit
    )
    return clients


#########################
#                       #
#       REPOSITORY      #
#                       #
#########################


@router.get(
    "/api/v1/repositories",
    response_model=List[Service],
    tags=[Tags.repositories],
)
async def get_all_repositories(
    skip: int = 0, limit: int = 100, db: Session = Depends(sql_db.get_db)
) -> List[sql_models.Service]:
    repositories = sql_crud.get_services(db, skip=skip, limit=limit)
    return repositories


#########################
#                       #
#        Entity         #
#                       #
#########################
@router.post("/api/v1/entity", response_model=Entity, tags=[Tags.entities])
async def create_entity(
    entity: EntityCreate, db: Session = Depends(sql_db.get_db)
) -> EntityCreate:
    return sql_crud.create_entity(db, entity)


@router.get("/api/v1/entities", response_model=List[Entity], tags=[Tags.entities])
async def get_all_entities(
    skip: int = 0, limit: int = 100, db: Session = Depends(sql_db.get_db)
) -> List[sql_models.Entity]:
    entities = sql_crud.get_entities(db, skip=skip, limit=limit)
    return entities


@router.get(
    "/api/v1/{entity_did}/entity", response_model=Optional[Entity], tags=[Tags.entities]
)
async def get_entity_by_did(
    entity_did: str = "did:sov:test:1234",
    db: Session = Depends(sql_db.get_db),
) -> Optional[sql_models.Entity]:
    entity = sql_crud.get_entity_by_did(db, did=entity_did)
    return entity


@router.get(
    "/api/v1/attached_entities",
    response_model=List[Entity],
    tags=[Tags.entities],
)
async def get_attached_entities(
    skip: int = 0, limit: int = 100, db: Session = Depends(sql_db.get_db)
) -> List[sql_models.Entity]:
    entities = sql_crud.get_attached_entities(db, skip=skip, limit=limit)
    return entities


@router.post("/api/v1/{entity_did}/detach", response_model=Entity, tags=[Tags.entities])
async def detach_entity(
    background_tasks: BackgroundTasks,
    entity_did: str = "did:sov:test:1234",
    skip: int = 0,
    limit: int = 100,
    db: Session = Depends(sql_db.get_db),
) -> sql_models.Entity:
    entity = sql_crud.set_attached_by_entity_did(db, entity_did, False)
    return entity


@router.post("/api/v1/{entity_did}/attach", tags=[Tags.entities])
async def attach_entity(
    background_tasks: BackgroundTasks,
    entity_did: str = "did:sov:test:1234",
    skip: int = 0,
    limit: int = 100,
    db: Session = Depends(sql_db.get_db),
) -> dict[str, str]:
    if sql_crud.get_entity_by_did(db, entity_did) is None:
        raise ClanError(f"Entity with did '{entity_did}' not found")

    background_tasks.add_task(attach_entity_loc, db, entity_did)
    return {"message": "Attaching in the background"}


def attach_entity_loc(db: Session, entity_did: str) -> None:
    db_entity = sql_crud.set_attached_by_entity_did(db, entity_did, True)
    try:
        while db_entity.attached:
            # query status endpoint
            # https://www.python-httpx.org/
            response = httpx.get(f"http://{db_entity.ip}", timeout=2)
            print(response)
            # test with:
            #  while true ; do printf 'HTTP/1.1 200 OK\r\n\r\ncool, thanks' | nc -l -N localhost 5555 ; done
            # client test (apt install python3-httpx):
            #  httpx http://localhost:5555
            # except not reached set false
            time.sleep(1)
    except Exception:
        log.warning(f"Entity {entity_did} not reachable. Setting attached to false")

        db_entity = sql_crud.set_attached_by_entity_did(db, entity_did, False)


@router.delete("/api/v1/{entity_did}/entity", tags=[Tags.entities])
async def delete_entity(
    entity_did: str = "did:sov:test:1234",
    db: Session = Depends(sql_db.get_db),
) -> dict[str, str]:
    sql_crud.delete_entity_by_did_recursive(db, did=entity_did)
    return {"message": "Entity deleted and all relations to that entity"}


#########################
#                       #
#      Resolution       #
#                       #
#########################


@router.get(
    "/api/v1/resolutions", response_model=List[Resolution], tags=[Tags.resolutions]
)
async def get_all_resolutions(
    skip: int = 0, limit: int = 100, db: Session = Depends(sql_db.get_db)
) -> List[Resolution]:
    # TODO: Get resolutions from DLG entity

    return [
        Resolution(
            requester_name="C1",
            requester_did="did:sov:test:1122",
            resolved_did="did:sov:test:1234",
            other={"test": "test"},
            timestamp=datetime.now(),
            id=1,
        )
    ]