feat: rework to use next and host from single dockerfile

mta_sign_server/config/router.py

@@ -1,7 +1,11 @@
+import csv
 import logging
+from pathlib import Path
 
 from fastapi import APIRouter
-from starlette.responses import JSONResponse
+
+from mta_api_client import Route
+from mta_sign_server.config.schemas import Station, StationsResponse, LinesResponse
 
 router = APIRouter(
     tags=["config"],
@@ -9,7 +13,44 @@ router = APIRouter(
 
 logger = logging.getLogger("config_router")
 
+STOPS_FILE = Path(__file__).parent.parent.parent / "stops.txt"
+
 
 @router.get("/api/config")
 def get_all():
-    return JSONResponse({"config": "goes here"})
+    return {"config": "goes here"}
+
+
+@router.get("/api/stations", response_model=StationsResponse)
+def get_stations(search: str | None = None):
+    """Get list of all stations, optionally filtered by search term. Deduplicates by station name."""
+    stations_dict = {}
+
+    if STOPS_FILE.exists():
+        with open(STOPS_FILE, "r") as f:
+            reader = csv.DictReader(f)
+            for row in reader:
+                # Only include parent stations (location_type == 1)
+                if row.get("location_type") == "1":
+                    station_name = row["stop_name"]
+                    station_id = row["stop_id"]
+
+                    # Only add first occurrence of each station name to deduplicate
+                    if station_name not in stations_dict:
+                        station = Station(id=station_id, name=station_name)
+
+                        # Filter by search term if provided
+                        if search:
+                            if search.lower() in station.name.lower() or search in station.id:
+                                stations_dict[station_name] = station
+                        else:
+                            stations_dict[station_name] = station
+
+    return StationsResponse(stations=list(stations_dict.values()))
+
+
+@router.get("/api/lines", response_model=LinesResponse)
+def get_lines():
+    """Get list of all available train lines."""
+    lines = [route.value for route in Route]
+    return LinesResponse(lines=sorted(lines))