"""FastAPI application — category tree API on port 8080."""
from __future__ import annotations

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from api.services.category_tree import build_category_tree
from api.services.demand_belong_category import list_demand_belong_categories
from api.services.oss_logs import list_demand_belong_oss_logs

app = FastAPI(title="SupplyAgent API", version="0.1.0")

app.add_middleware(
    CORSMiddleware,
    allow_origins=[
        "http://localhost:5173",
        "http://127.0.0.1:5173",
        "http://localhost:4173",
        "http://127.0.0.1:4173",
    ],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


@app.get("/health")
def health() -> dict[str, str]:
    return {"status": "ok"}


@app.get("/api/category-tree")
def category_tree() -> dict:
    """Return the full nested global_tree_category tree in one response."""
    nodes = build_category_tree()
    return {"nodes": nodes}


@app.get("/api/demand-belong-category")
def demand_belong_category() -> dict:
    """Return all active demand_belong_category rows in one response."""
    items = list_demand_belong_categories()
    return {"items": items}


@app.get("/api/demand-belong-oss-logs")
def demand_belong_oss_logs() -> dict:
    """Return demand_belong_category_agent oss_logs ordered by create_time desc."""
    items = list_demand_belong_oss_logs()
    return {"items": items}