from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from typing import List

from app.models import Item, dummy_items

app = FastAPI(title="FastAPI Server", version="1.0.0")

# CORS middleware to allow client requests
# app.add_middleware(
#     CORSMiddleware,
#     # allow_origins=["http://localhost:3000", "http://client:3000"],
#     allow_credentials=True,
#     allow_methods=["*"],
#     allow_headers=["*"],
# )


@app.get("/")
async def root():
    return {"message": "FastAPI Server is running!"}


@app.get("/items", response_model=List[Item])
async def get_items():
    return dummy_items


@app.get("/items/{item_id}", response_model=Item)
async def get_item(item_id: int):
    item = next((item for item in dummy_items if item.id == item_id), None)
    if item is None:
        raise HTTPException(status_code=404, detail="Item not found")
    return item


@app.post("/items", response_model=Item)
async def create_item(item: Item):
    if any(existing_item.id == item.id for existing_item in dummy_items):
        raise HTTPException(status_code=400, detail="Item ID already exists")
    dummy_items.append(item)
    return item


@app.put("/items/{item_id}", response_model=Item)
async def update_item(item_id: int, item: Item):
    if item.id != item_id:
        raise HTTPException(status_code=400, detail="Item ID mismatch")

    for idx, existing_item in enumerate(dummy_items):
        if existing_item.id == item_id:
            dummy_items[idx] = item
            return item

    raise HTTPException(status_code=404, detail="Item not found")


@app.delete("/items/{item_id}")
async def delete_item(item_id: int):
    for idx, item in enumerate(dummy_items):
        if item.id == item_id:
            deleted_item = dummy_items.pop(idx)
            return {"message": f"Item {deleted_item.name} deleted successfully"}

    raise HTTPException(status_code=404, detail="Item not found")


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(app, host="0.0.0.0", port=8000)