package main

import (
	"strings"

	"github.com/spf13/viper"
)

func ReadConfig() (*viper.Viper, error) {
	defaults := map[string]any{
		"name":    "COOPGO Geography",
		"dev_env": false,
		"storage": map[string]any{
			"index": map[string]any{
				"type": "memory_rtree",
				"bleve": map[string]any{
					"file": "index.bleve",
				},
			},
		},
		"services": map[string]any{
			"grpc": map[string]any{
				"enable": true,
				"port":   8080,
			},
		},
		"data": map[string]any{
			"layers": map[string]string{
				"regions":      "https://etalab-datasets.geo.data.gouv.fr/contours-administratifs/latest/geojson/regions-50m.geojson",
				"departements": "https://etalab-datasets.geo.data.gouv.fr/contours-administratifs/latest/geojson/departements-50m.geojson",
				"epci":         "https://etalab-datasets.geo.data.gouv.fr/contours-administratifs/latest/geojson/epci-50m.geojson",
				"communes":     "https://etalab-datasets.geo.data.gouv.fr/contours-administratifs/latest/geojson/communes-50m.geojson",
			},
		},
	}

	v := viper.New()
	for key, value := range defaults {
		v.SetDefault(key, value)
	}
	v.SetConfigName("config")
	v.AddConfigPath(".")
	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
	v.AutomaticEnv()
	err := v.ReadInConfig()
	return v, err
}