package config

import (
	"fmt"
	"log/slog"
	"os"
	"reflect"
	"slices"
	"strings"

	"github.com/spf13/viper"
)

// printEnv logs the JOBSEARCH* environment variables at debug level.
func printEnv() {
	slog.Debug("Environment:")
	env := os.Environ()
	slices.Sort(env)
	for _, e := range env {
		pair := strings.SplitN(e, "=", 2)
		if strings.HasPrefix(pair[0], EnvPrefix) {
			slog.Debug("\t" + pair[0] + "=" + pair[1])
		}
	}
}

// printLoadedConfig logs every key Viper has loaded, with its value and type,
// at debug level.
func printLoadedConfig() {
	slog.Debug("Loaded config:")
	keys := viper.AllKeys()
	for i := range keys {
		k := keys[i]
		v := viper.Get(k)
		t := reflect.TypeOf(v)
		slog.Debug(
			"\t" + k + " = " + fmt.Sprintf("%#v", v) + " <" + t.Kind().String() + ">")
	}
}

// printConfig logs conf at debug level.
func printConfig(conf JobSearchConfig) {
	slog.Debug("Config:")
	conf.PrintLog(slog.LevelDebug)
}