from fastapi import FastAPI,HTTPException
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
import uvicorn
from pydantic import BaseModel, Field
from workflowschema import LibraryModel
from workflow_invocation import WorkflowInvocation
import asyncio
import json

app = FastAPI()

app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],  # Allows all origins
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

@app.post("/api/v1/trigger_email_workflow")
def trigger_workflow(payLoad: LibraryModel):
    try:
        if payLoad:
            wf_invocation = WorkflowInvocation(payLoad.model_dump())
            asyncio.run(wf_invocation.invoke_workflow()) 
            return JSONResponse(content={"message": "workflow executed successfully"}, status_code=200)
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))
    
if __name__ == "__main__":
    uvicorn.run(app, host = "0.0.0.0", port = 8000)
#     schema_input = {
#   "name": "Media",
#   "action": "modified",
#   "change_type": "MediaStatus",
#   "changed_by": "focus",
#   "timestamp": "2025-07-23T13:45:00Z",
#   "change_id": 1001,
#   "change_from": "ON",
#   "change_to": "OFF",
#   "unique_identifier": "library",
#   "title":"OCA"
#   }
#     result = trigger_workflow(schema_input)
#     print(json.loads(result.body))