from fastapi import APIRouter, Response
from pydantic import BaseModel

from app.modules.project.application.services import ProjectService

router = APIRouter(prefix="/projects", tags=["project"])

_service: ProjectService | None = None


def init_router(service: ProjectService) -> None:
    global _service
    _service = service


class CreateProjectRequest(BaseModel):
    name: str
    design_dir: str
    code_dir: str | None = None


class ProjectResponse(BaseModel):
    id: str
    name: str
    design_dir: str
    code_dir: str | None
    created_at: str


def _to_response(p) -> dict:
    return {
        "id": p.id,
        "name": p.name,
        "design_dir": p.design_dir,
        "code_dir": p.code_dir,
        "created_at": p.created_at.isoformat(),
    }


@router.get("")
def list_projects():
    return [_to_response(p) for p in _service.list_projects()]


@router.post("", status_code=201)
def create_project(req: CreateProjectRequest):
    p = _service.create_project(req.name, req.design_dir, req.code_dir)
    return _to_response(p)


@router.get("/{project_id}")
def get_project(project_id: str):
    p = _service.get_project(project_id)
    return _to_response(p)


@router.delete("/{project_id}", status_code=204)
def delete_project(project_id: str):
    _service.delete_project(project_id)
    return Response(status_code=204)