brokeyourbike/microcart

package config

import (
    "fmt"
    "strings"
    "time"

    "github.com/spf13/viper"
)

type Config struct {
    HTTPClient HTTPClient
    HTTPServer HTTPServer
    SQLite     SQLite
}

type HTTPClient struct {
    Timeout time.Duration
}

type HTTPServer struct {
    Addr         string
    ReadTimeout  time.Duration
    WriteTimeout time.Duration
}

type SQLite struct {
    Path string
}

// Load loads the configuration from the config file.
func Load() (Config, error) {
    var cfg Config

    viper.SetConfigName("config")
    viper.SetConfigType("toml")
    viper.AddConfigPath(".")
    viper.AddConfigPath("../")
    viper.AddConfigPath("../../")

    viper.SetEnvPrefix("MICROCART")
    viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
    viper.AutomaticEnv()

    if err := viper.ReadInConfig(); err != nil {
        return cfg, fmt.Errorf("failed to read config file: %w", err)
    }

    if err := viper.Unmarshal(&cfg); err != nil {
        return cfg, fmt.Errorf("failed to unmarshal config: %w", err)
    }

    return cfg, nil
}