"""HTTP routes for settings and tips.

Covers:
  - Children (CRUD) — uses models/child.py
  - Tips endpoint

Leave wishes (formerly "break periods") moved to their own router,
app/routers/leave_wishes.py, at /api/leave-wishes — see PLANNING_ENGINE_SPEC.md §4.
"""

from uuid import UUID

from fastapi import APIRouter, HTTPException, status

from app.dependencies import (
    ChildRepositoryDep,
    ChildServiceDep,
    CurrentUserDep,
    LeaveWishRepositoryDep,
    ParentalLeaveRepositoryDep,
    PersonalDataRepositoryDep,
    PersonalDataServiceDep,
    PlannedLeaveRepositoryDep,
    VacationDaysRepositoryDep,
    WorkspaceRepositoryDep,
)
from app.models.child import ChildCreate, ChildResponse, ChildUpdate
from app.models.personal_data import PersonalDataResponse, PersonalDataUpdate
from app.services.tips_service import TipsService
from app.utils.errors import NotFoundError, ValidationError

router = APIRouter(tags=["settings"])


# ---------------------------------------------------------------------------
# Tips
# ---------------------------------------------------------------------------

tips_router = APIRouter(prefix="/api/tips", tags=["tips"])


@tips_router.get("/{workspace_id}", response_model=list[dict])
async def get_tips(
    workspace_id: UUID,
    leave_repo: ParentalLeaveRepositoryDep,
    planned_repo: PlannedLeaveRepositoryDep,
    child_repo: ChildRepositoryDep,
    pd_repo: PersonalDataRepositoryDep,
    vacation_repo: VacationDaysRepositoryDep,
    leave_wish_repo: LeaveWishRepositoryDep,
    ws_repo: WorkspaceRepositoryDep,
    _current_user: CurrentUserDep,
) -> list[dict]:
    service = TipsService(
        leave_repo, planned_repo, child_repo, pd_repo, vacation_repo, leave_wish_repo, ws_repo
    )
    tips = await service.get_tips(workspace_id)
    return [
        {"id": t.id, "severity": t.severity, "message_key": t.message_key, "data": t.data}
        for t in tips
    ]


# ---------------------------------------------------------------------------
# Children
# ---------------------------------------------------------------------------

child_router = APIRouter(prefix="/api/children", tags=["children"])


def _child_to_response(child) -> ChildResponse:
    return ChildResponse.from_entity(child)


@child_router.post("", response_model=ChildResponse, status_code=status.HTTP_201_CREATED)
async def create_child(
    payload: ChildCreate,
    service: ChildServiceDep,
    _current_user: CurrentUserDep,
) -> ChildResponse:
    try:
        child = await service.create(
            workspace_id=payload.workspace_id,
            name=payload.name,
            birth_date=payload.birth_date,
            preschool_start_date=payload.preschool_start_date,
            preschool_planning_days_per_year=payload.preschool_planning_days_per_year,
        )
        return _child_to_response(child)
    except ValidationError as exc:
        raise HTTPException(status.HTTP_422_UNPROCESSABLE_ENTITY, str(exc)) from exc


@child_router.get("/{child_id}", response_model=ChildResponse)
async def get_child(
    child_id: UUID,
    service: ChildServiceDep,
    _current_user: CurrentUserDep,
) -> ChildResponse:
    try:
        child = await service.get(child_id)
        return _child_to_response(child)
    except NotFoundError as exc:
        raise HTTPException(status.HTTP_404_NOT_FOUND, str(exc)) from exc


@child_router.get("/workspace/{workspace_id}", response_model=list[ChildResponse])
async def list_children(
    workspace_id: UUID,
    service: ChildServiceDep,
    _current_user: CurrentUserDep,
) -> list[ChildResponse]:
    children = await service.list_by_workspace(workspace_id)
    return [_child_to_response(c) for c in children]


# Settings endpoint for updating child
settings_child_router = APIRouter(prefix="/api/settings", tags=["settings"])


@settings_child_router.put("/child/{child_id}", response_model=ChildResponse)
async def update_child(
    child_id: UUID,
    payload: ChildUpdate,
    service: ChildServiceDep,
    _current_user: CurrentUserDep,
) -> ChildResponse:
    try:
        child = await service.update(
            child_id=child_id,
            name=payload.name,
            birth_date=payload.birth_date,
            preschool_start_date=payload.preschool_start_date,
            preschool_planning_days_per_year=payload.preschool_planning_days_per_year,
        )
        return _child_to_response(child)
    except ValidationError as exc:
        raise HTTPException(status.HTTP_422_UNPROCESSABLE_ENTITY, str(exc)) from exc
    except NotFoundError as exc:
        raise HTTPException(status.HTTP_404_NOT_FOUND, str(exc)) from exc


@settings_child_router.delete("/{child_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_child(
    child_id: UUID,
    service: ChildServiceDep,
    _current_user: CurrentUserDep,
) -> None:
    try:
        await service.delete(child_id)
    except NotFoundError as exc:
        raise HTTPException(status.HTTP_404_NOT_FOUND, str(exc)) from exc


@settings_child_router.put("/parent/{personal_data_uuid}", response_model=PersonalDataResponse)
async def update_parent_settings(
    personal_data_uuid: UUID,
    payload: PersonalDataUpdate,
    service: PersonalDataServiceDep,
    _current_user: CurrentUserDep,
) -> PersonalDataResponse:
    try:
        updated = await service.update(
            personal_data_uuid,
            salary_type=payload.salary_type,
            employment_status=payload.employment_status,
            min_vacation_days_per_year=payload.min_vacation_days_per_year,
        )
        return PersonalDataResponse.from_entity(updated)
    except ValidationError as exc:
        raise HTTPException(status.HTTP_422_UNPROCESSABLE_ENTITY, str(exc)) from exc
    except NotFoundError as exc:
        raise HTTPException(status.HTTP_404_NOT_FOUND, str(exc)) from exc