"""
LinkSyncServer - Link CRUD Endpoints
"""

from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from typing import List, Optional
import uuid

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


class BookmarkCreate(BaseModel):
    url: str
    title: str
    description: Optional[str] = None
    notes: Optional[str] = None
    tags: Optional[List[str]] = None
    favicon_url: Optional[str] = None
    path: Optional[str] = None
    visit_count: int = 0
    is_bookmarked: bool = False


class BookmarkUpdate(BaseModel):
    url: Optional[str] = None
    title: Optional[str] = None
    description: Optional[str] = None
    notes: Optional[str] = None
    tags: Optional[List[str]] = None
    favicon_url: Optional[str] = None
    path: Optional[str] = None
    visit_count: Optional[int] = None
    is_bookmarked: Optional[bool] = None


class BookmarkResponse(BaseModel):
    id: str
    url: str
    title: str
    description: Optional[str]
    notes: Optional[str]
    tags: List[str]
    favicon_url: Optional[str]
    path: Optional[str]
    created_at: str
    updated_at: str
    visit_count: int
    is_bookmarked: bool
    source_set_id: Optional[str]


def get_db():
    """Get database session."""
    from models.base import get_engine
    db = get_engine()
    return db


def mock_create_bookmark(data: BookmarkCreate) -> dict:
    """Create bookmark (mock implementation for demo)."""
    bookmark = {
        "id": str(uuid.uuid4()),
        "url": data.url,
        "title": data.title,
        "description": data.description,
        "notes": data.notes,
        "tags": data.tags or [],
        "favicon_url": data.favicon_url,
        "path": data.path,
        "created_at": "2026-05-11T00:00:00Z",
        "updated_at": "2026-05-11T00:00:00Z",
        "visit_count": data.visit_count,
        "is_bookmarked": data.is_bookmarked,
        "source_set_id": None
    }
    return bookmark


def mock_get_bookmarks() -> List[dict]:
    """Get all bookmarks (mock implementation)."""
    return [
        {
            "id": str(uuid.uuid4()),
            "url": "https://example.com",
            "title": "Example",
            "description": "An example website",
            "notes": "",
            "tags": ["example", "demo"],
            "favicon_url": None,
            "path": "/Home",
            "created_at": "2026-05-11T00:00:00Z",
            "updated_at": "2026-05-11T00:00:00Z",
            "visit_count": 0,
            "is_bookmarked": False,
            "source_set_id": None
        }
    ]


def mock_get_bookmark(bookmark_id: str) -> dict | None:
    """Get single bookmark by ID."""
    # Mock implementation
    if bookmark_id == "mock-id":
        return {
            "id": "mock-id",
            "url": "https://example.com",
            "title": "Example",
            "description": "An example website",
            "notes": "",
            "tags": ["example", "demo"],
            "favicon_url": None,
            "path": "/Home",
            "created_at": "2026-05-11T00:00:00Z",
            "updated_at": "2026-05-11T00:00:00Z",
            "visit_count": 0,
            "is_bookmarked": False,
            "source_set_id": None
        }
    return None


def mock_update_bookmark(bookmark_id: str, data: BookmarkUpdate) -> dict | None:
    """Update bookmark."""
    # Mock implementation
    return mock_get_bookmark(bookmark_id)


def mock_delete_bookmark(bookmark_id: str) -> bool:
    """Delete bookmark."""
    return True


@router.get("/", response_model=List[BookmarkResponse])
async def list_bookmarks(limit: int = 20, offset: int = 0):
    """List all bookmarks."""
    bookmarks = mock_get_bookmarks()
    return bookmarks[offset:offset + limit]


@router.get("/{bookmark_id}", response_model=BookmarkResponse)
async def get_bookmark(bookmark_id: str):
    """Get bookmark by ID."""
    bookmark = mock_get_bookmark(bookmark_id)
    if not bookmark:
        raise HTTPException(status_code=404, detail="Bookmark not found")
    return bookmark


@router.post("/", response_model=BookmarkResponse, status_code=status.HTTP_201_CREATED)
async def create_bookmark(data: BookmarkCreate):
    """Create new bookmark."""
    bookmark = mock_create_bookmark(data)
    return bookmark


@router.put("/{bookmark_id}", response_model=BookmarkResponse)
async def update_bookmark(
    bookmark_id: str,
    data: BookmarkUpdate
):
    """Update bookmark."""
    bookmark = mock_update_bookmark(bookmark_id, data)
    if not bookmark:
        raise HTTPException(status_code=404, detail="Bookmark not found")
    return bookmark


@router.delete("/{bookmark_id}", response_model=dict)
async def delete_bookmark(bookmark_id: str):
    """Delete bookmark."""
    success = mock_delete_bookmark(bookmark_id)
    if not success:
        raise HTTPException(status_code=404, detail="Bookmark not found")
    return {"message": "Bookmark deleted successfully"}