"""消息路由"""

from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.ext.asyncio import AsyncSession

from app.dependencies import get_db, get_current_user
from app.models.user import User
from app.schemas.message import MessageSend, MessagePage, MarkReadRequest
from app.services.message_service import MessageService

router = APIRouter()


@router.get("/{conversation_id}/messages", response_model=dict)
async def get_messages(
    conversation_id: str,
    before: str | None = Query(None),
    limit: int = Query(50, ge=1, le=100),
    user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """获取消息列表（游标分页）"""
    service = MessageService(db)
    try:
        return await service.get_messages(conversation_id, user.id, before, limit)
    except ValueError as e:
        raise HTTPException(status_code=403, detail=str(e))


@router.put("/{conversation_id}/messages/{message_id}/read")
async def mark_as_read(
    conversation_id: str,
    message_id: str,
    user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """标记消息已读"""
    service = MessageService(db)
    await service.mark_as_read(conversation_id, user.id, message_id)
    return {"success": True}


@router.delete("/{conversation_id}/messages/{message_id}")
async def delete_message(
    conversation_id: str,
    message_id: str,
    user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    """删除消息"""
    service = MessageService(db)
    try:
        await service.soft_delete(message_id, user.id)
        return {"success": True}
    except ValueError as e:
        raise HTTPException(status_code=403, detail=str(e))