package main

import (
	"fmt"

	"gitea.iceberg-gaming.com/17th-Ranger-Battalion-ORG/17th-UnitTracker-API/logger"

	"github.com/spf13/viper"
)

var Config *viper.Viper

func LoadConfig() error {
	setConfigDefaults()

	// Read in environment variables
	viper.AutomaticEnv() // read in environment variables that match

	// Use config file (like json or yaml)
	// viper.SetConfigName("config") // name of config file (without extension)
	// viper.SetConfigType("yaml")   // REQUIRED if the config file does not have the extension in the name
	// Use .env file
	viper.SetConfigFile(".env") // name of config file (without extension

	// viper.AddConfigPath("/etc/appname/")  // path to look for the config file in
	// viper.AddConfigPath("$HOME/.appname") // call multiple times to add many search paths
	viper.AddConfigPath(".") // optionally look for config in the working directory

	err := viper.ReadInConfig() // Find and read the config file
	if err != nil {             // Handle errors reading the config file
		return fmt.Errorf("fatal error config file: %w", err)
	}

	if err := viper.ReadInConfig(); err != nil {
		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
			// Config file not found; ignore error if desired
			return fmt.Errorf("config file not found: %w", err)
		} else {
			// Config file was found but another error was produced
			return fmt.Errorf("fatal error config file: %w", err)
		}
	}

	// Config file found and successfully parsed
	Config = viper.GetViper()

	logger.Log.Debug().Interface("config", Config.AllSettings()).Msg("Configuration loaded")
	return nil
}

func setConfigDefaults() {
	viper.SetDefault("MARIADB_CONNSTRING", "user:password@tcp(localhost:3306)/dbname?parseTime=true")
	viper.SetDefault("API_PREFIX", "/api/v1")
	viper.SetDefault("API_PORT", "1323")
}