"""Map sharing routes."""
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from typing import List
from uuid import UUID

from app.database import get_db
from app.dependencies import get_current_user
from app.models.user import User
from app.schemas.map_share import (
    MapShareCreate,
    MapShareUpdate,
    MapShareResponse,
    MapShareLinkCreate,
    MapShareLinkResponse
)
from app.services import map_share_service

router = APIRouter(prefix="/api/maps/{map_id}/share", tags=["map-sharing"])


@router.post("/users", response_model=MapShareResponse, status_code=status.HTTP_201_CREATED)
async def share_map_with_user(
    map_id: UUID,
    share_data: MapShareCreate,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Share a map with a specific user."""
    share = map_share_service.create_map_share(db, map_id, share_data, current_user)
    return share


@router.get("/users", response_model=List[MapShareResponse])
async def get_map_shares_list(
    map_id: UUID,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Get all users this map is shared with."""
    shares = map_share_service.get_map_shares(db, map_id, current_user)
    return shares


@router.put("/users/{share_id}", response_model=MapShareResponse)
async def update_map_share_permissions(
    map_id: UUID,
    share_id: UUID,
    update_data: MapShareUpdate,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Update share permissions for a user."""
    share = map_share_service.update_map_share(db, map_id, share_id, update_data, current_user)
    return share


@router.delete("/users/{share_id}", status_code=status.HTTP_204_NO_CONTENT)
async def revoke_map_share(
    map_id: UUID,
    share_id: UUID,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Revoke map share from a user."""
    await map_share_service.delete_map_share(db, map_id, share_id, current_user)
    return None


@router.post("/links", response_model=MapShareLinkResponse, status_code=status.HTTP_201_CREATED)
async def create_map_share_link(
    map_id: UUID,
    link_data: MapShareLinkCreate,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Create a public/guest share link."""
    link = map_share_service.create_share_link(db, map_id, link_data, current_user)
    return link


@router.get("/links", response_model=List[MapShareLinkResponse])
async def get_map_share_links_list(
    map_id: UUID,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Get all share links for a map."""
    links = map_share_service.get_share_links(db, map_id, current_user)
    return links


@router.delete("/links/{link_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_map_share_link(
    map_id: UUID,
    link_id: UUID,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user)
):
    """Delete a share link."""
    map_share_service.delete_share_link(db, map_id, link_id, current_user)
    return None