# Copyright (c) 2025 Patrick Motsch
# All rights reserved.
"""ClickUp API routes — teams, hierarchy, lists, tasks (connection-scoped)."""

import logging
from typing import Any, Dict, Optional

from fastapi import APIRouter, Depends, HTTPException, Path, Query, Request, status
from pydantic import BaseModel

from modules.auth import getCurrentUser, limiter
from modules.datamodels.datamodelUam import AuthAuthority, User, UserConnection
from modules.interfaces.interfaceDbApp import getInterface
from modules.serviceHub import getInterface as getServices
from modules.shared.i18nRegistry import apiRouteContext
routeApiMsg = apiRouteContext("routeClickup")

logger = logging.getLogger(__name__)

router = APIRouter(
    prefix="/api/clickup",
    tags=["ClickUp"],
    responses={
        404: {"description": "Not found"},
        400: {"description": "Bad request"},
        401: {"description": "Unauthorized"},
        500: {"description": "Internal server error"},
    },
)


def _getUserConnection(interface, connection_id: str, user_id: str) -> Optional[UserConnection]:
    try:
        connections = interface.getUserConnections(user_id)
        for conn in connections:
            if conn.id == connection_id:
                return conn
        return None
    except Exception as e:
        logger.error(f"Error getting user connection: {e}")
        return None


def _clickup_connection_or_404(interface, connection_id: str, user_id: str) -> UserConnection:
    connection = _getUserConnection(interface, connection_id, user_id)
    if not connection:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=routeApiMsg("Connection not found"))
    authority = connection.authority.value if hasattr(connection.authority, "value") else str(connection.authority)
    if authority.lower() != AuthAuthority.CLICKUP.value:
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail=routeApiMsg("Connection is not a ClickUp connection"),
        )
    return connection


def _svc_for_connection(current_user: User, connection: UserConnection):
    services = getServices(current_user, None)
    if not services.clickup.setAccessTokenFromConnection(connection):
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail=routeApiMsg("Failed to set ClickUp access token"),
        )
    return services.clickup


# --- Routes (prefix is /api/clickup; OAuth lives under /api/clickup/auth/* in routeSecurityClickup) ---


@router.get("/{connectionId}/teams", response_model=Dict[str, Any])
@limiter.limit("30/minute")
async def get_teams(
    request: Request,
    connectionId: str = Path(..., description="ClickUp UserConnection id"),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getAuthorizedTeams()


@router.get("/{connectionId}/teams/{teamId}", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_team(
    request: Request,
    connectionId: str = Path(...),
    teamId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    """Workspace/team details including members (for assignee pickers)."""
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getTeam(teamId)


@router.get("/{connectionId}/teams/{teamId}/spaces", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_spaces(
    request: Request,
    connectionId: str = Path(...),
    teamId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getSpaces(teamId)


@router.get("/{connectionId}/spaces/{spaceId}/folders", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_folders(
    request: Request,
    connectionId: str = Path(...),
    spaceId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getFolders(spaceId)


@router.get("/{connectionId}/spaces/{spaceId}/lists", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_folderless_lists(
    request: Request,
    connectionId: str = Path(...),
    spaceId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getFolderlessLists(spaceId)


@router.get("/{connectionId}/folders/{folderId}/lists", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_lists_in_folder(
    request: Request,
    connectionId: str = Path(...),
    folderId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getListsInFolder(folderId)


@router.get("/{connectionId}/lists/{listId}", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_list(
    request: Request,
    connectionId: str = Path(...),
    listId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getList(listId)


@router.get("/{connectionId}/lists/{listId}/fields", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_list_fields(
    request: Request,
    connectionId: str = Path(...),
    listId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getListFields(listId)


@router.get("/{connectionId}/lists/{listId}/tasks", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_list_tasks(
    request: Request,
    connectionId: str = Path(...),
    listId: str = Path(...),
    page: int = Query(0),
    include_closed: bool = Query(False),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getTasksInList(listId, page=page, include_closed=include_closed)


class TaskCreateBody(BaseModel):
    body: Dict[str, Any]


@router.post("/{connectionId}/lists/{listId}/tasks", response_model=Dict[str, Any])
@limiter.limit("30/minute")
async def create_list_task(
    request: Request,
    payload: TaskCreateBody,
    connectionId: str = Path(...),
    listId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.createTask(listId, payload.body)


class TaskUpdateBody(BaseModel):
    body: Dict[str, Any]


@router.get("/{connectionId}/tasks/{taskId}", response_model=Dict[str, Any])
@limiter.limit("60/minute")
async def get_task(
    request: Request,
    connectionId: str = Path(...),
    taskId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getTask(taskId)


@router.put("/{connectionId}/tasks/{taskId}", response_model=Dict[str, Any])
@limiter.limit("30/minute")
async def update_task(
    request: Request,
    payload: TaskUpdateBody,
    connectionId: str = Path(...),
    taskId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.updateTask(taskId, payload.body)


@router.delete("/{connectionId}/tasks/{taskId}", response_model=Dict[str, Any])
@limiter.limit("30/minute")
async def delete_task(
    request: Request,
    connectionId: str = Path(...),
    taskId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.deleteTask(taskId)


@router.get("/{connectionId}/teams/{teamId}/tasks/search", response_model=Dict[str, Any])
@limiter.limit("30/minute")
async def search_team_tasks(
    request: Request,
    connectionId: str = Path(...),
    teamId: str = Path(...),
    query: str = Query(..., description="Search query"),
    page: int = Query(0),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.searchTeamTasks(teamId, query=query, page=page)


@router.get("/{connectionId}/user", response_model=Dict[str, Any])
@limiter.limit("30/minute")
async def get_authorized_user(
    request: Request,
    connectionId: str = Path(...),
    currentUser: User = Depends(getCurrentUser),
) -> Dict[str, Any]:
    interface = getInterface(currentUser)
    conn = _clickup_connection_or_404(interface, connectionId, currentUser.id)
    cu = _svc_for_connection(currentUser, conn)
    return await cu.getAuthorizedUser()