from fastapi import APIRouter, HTTPException
from pydantic import BaseModel, Field
from typing import Any, Dict, Optional

from .manager import get_cms_manager

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


class ProjectPayload(BaseModel):
    project_id: str = Field(min_length=1, max_length=200)
    html: str = ""
    css: str = ""
    components: Optional[Any] = None
    styles: Optional[Any] = None


@router.get("/projects/{project_id}")
async def get_project(project_id: str):
    project = get_cms_manager().get(project_id)

    if project is None:
        raise HTTPException(
            status_code=404,
            detail="Project not found"
        )

    return project


@router.put("/projects/{project_id}")
async def save_project(
    project_id: str,
    payload: ProjectPayload
):
    if project_id != payload.project_id:
        raise HTTPException(
            status_code=400,
            detail="project_id mismatch"
        )

    return get_cms_manager().save(
        project_id,
        payload.model_dump()
    )


@router.delete("/projects/{project_id}")
async def delete_project(project_id: str):
    deleted = get_cms_manager().delete(project_id)

    if not deleted:
        raise HTTPException(
            status_code=404,
            detail="Project not found"
        )

    return {
        "deleted": True,
        "project_id": project_id
    }