config.go

/*
   Copyright 2025 Google LLC

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       https://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package main

import (
	"encoding/json"
	"os"
)

type Config struct {
	ADSB ADSBConfig `json:"adsb"`
	OBA  OBAConfig  `json:"oba"`
}

type ADSBConfig struct {
	Tar1090Endpoint string `json:"tar1090_endpoint"`
	Lat             string `json:"lat"`
	Lon             string `json:"lon"`
	Radius          string `json:"radius"`
}

type OBAConfig struct {
	Key        string            `json:"key"`
	Stops      []string          `json:"stops"`
	RouteAlias map[string]string `json:"route_alias"`
}

func LoadConfig(path string) (*Config, error) {
	f, err := os.ReadFile(path)
	if err != nil {
		return nil, err
	}
	var config Config
	err = json.Unmarshal(f, &config)
	if err != nil {
		return nil, err
	}
	return &config, nil
}