"""HTTP routes for workspace, members, and invitations."""

from uuid import UUID

from fastapi import APIRouter, HTTPException, status

from app.dependencies import CurrentUserDep, WorkspaceServiceDep
from app.models.workspace import (
    InvitationResponse,
    InviteResponse,
    PersonalDataCreate,
    PersonalDataResponse,
    RedeemInviteRequest,
    WorkspaceCreate,
    WorkspaceResponse,
    WorkspaceUpdate,
)
from app.utils.errors import InvitationError, NotFoundError, ValidationError

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


@router.post("", response_model=WorkspaceResponse, status_code=status.HTTP_201_CREATED)
async def create_workspace(
    payload: WorkspaceCreate,
    service: WorkspaceServiceDep,
    _current_user: CurrentUserDep,
) -> WorkspaceResponse:
    ws = await service.create_workspace(payload.name)
    return WorkspaceResponse.from_entity(ws)


@router.get("/{workspace_id}", response_model=WorkspaceResponse)
async def get_workspace(
    workspace_id: UUID,
    service: WorkspaceServiceDep,
    _current_user: CurrentUserDep,
) -> WorkspaceResponse:
    try:
        ws = await service.get_workspace(workspace_id)
    except NotFoundError as exc:
        raise HTTPException(status.HTTP_404_NOT_FOUND, str(exc)) from exc
    return WorkspaceResponse.from_entity(ws)


@router.put("/{workspace_id}", response_model=WorkspaceResponse)
async def update_workspace(
    workspace_id: UUID,
    payload: WorkspaceUpdate,
    service: WorkspaceServiceDep,
    _current_user: CurrentUserDep,
) -> WorkspaceResponse:
    try:
        ws = await service.update_workspace(workspace_id, payload.name, payload.planning_goal)
    except (NotFoundError, ValidationError) as exc:
        code = (
            status.HTTP_404_NOT_FOUND
            if isinstance(exc, NotFoundError)
            else status.HTTP_422_UNPROCESSABLE_ENTITY
        )
        raise HTTPException(code, str(exc)) from exc
    return WorkspaceResponse.from_entity(ws)


@router.get("/{workspace_id}/members", response_model=list[PersonalDataResponse])
async def list_members(
    workspace_id: UUID,
    service: WorkspaceServiceDep,
    _current_user: CurrentUserDep,
) -> list[PersonalDataResponse]:
    members = await service.list_members(workspace_id)
    return [
        PersonalDataResponse(
            uuid=m.uuid,
            workspace_id=m.workspace_id,
            name=m.name,
            salary_type=m.salary_type,
            employment_status=m.employment_status,
            created_at=m.created_at,
        )
        for m in members
    ]


@router.post(
    "/{workspace_id}/parents",
    response_model=PersonalDataResponse,
    status_code=status.HTTP_201_CREATED,
)
async def add_placeholder_parent(
    workspace_id: UUID,
    payload: PersonalDataCreate,
    service: WorkspaceServiceDep,
    _current_user: CurrentUserDep,
) -> PersonalDataResponse:
    try:
        pd = await service.add_placeholder_parent(workspace_id, payload.display_name)
    except NotFoundError as exc:
        raise HTTPException(status.HTTP_404_NOT_FOUND, str(exc)) from exc
    return PersonalDataResponse(
        uuid=pd.uuid,
        workspace_id=pd.workspace_id,
        name=pd.name,
        salary_type=pd.salary_type,
        employment_status=pd.employment_status,
        created_at=pd.created_at,
    )


@router.post(
    "/{workspace_id}/invitations",
    response_model=InviteResponse,
    status_code=status.HTTP_201_CREATED,
)
async def create_invitation(
    workspace_id: UUID,
    service: WorkspaceServiceDep,
    current_user: CurrentUserDep,
) -> InviteResponse:
    try:
        raw_token = await service.invite_partner(workspace_id, current_user.id)
    except NotFoundError as exc:
        raise HTTPException(status.HTTP_404_NOT_FOUND, str(exc)) from exc
    return InviteResponse(token=raw_token)


# Invitation redemption is workspace-agnostic (token carries workspace info).
_inv_router = APIRouter(prefix="/api/invitations", tags=["invitations"])


@_inv_router.post("/redeem", response_model=InvitationResponse)
async def redeem_invitation(
    payload: RedeemInviteRequest,
    service: WorkspaceServiceDep,
    current_user: CurrentUserDep,
) -> InvitationResponse:
    try:
        inv = await service.redeem_invitation(payload.token, current_user.personal_data_uuid)
    except (InvitationError, NotFoundError) as exc:
        raise HTTPException(status.HTTP_400_BAD_REQUEST, str(exc)) from exc
    return InvitationResponse.from_entity(inv)


@_inv_router.delete("/{invitation_id}", status_code=status.HTTP_204_NO_CONTENT)
async def revoke_invitation(
    invitation_id: UUID,
    service: WorkspaceServiceDep,
    _current_user: CurrentUserDep,
) -> None:
    try:
        await service.revoke_invitation(invitation_id)
    except (NotFoundError, ValidationError) as exc:
        code = (
            status.HTTP_404_NOT_FOUND
            if isinstance(exc, NotFoundError)
            else status.HTTP_422_UNPROCESSABLE_ENTITY
        )
        raise HTTPException(code, str(exc)) from exc