package config

import (
	"log"
	"os"
	"time"

	"github.com/ilyakaznacheev/cleanenv"
)

type Config struct {
	Enviroment     string         `yaml:"enviroment" env:"ENVIROMENT" env-default:"local"`
	Server         Server         `yaml:"server"`
	Database       Database       `yaml:"database"`
	SteamRequester SteamRequester `yaml:"steam_requester"`
	SteamWorker    SteamWorker    `yaml:"steam_worker"`
}

type (
	Server struct {
		Host         string        `yaml:"host" env-default:"localhost"`
		Port         string        `yaml:"port" env-default:"8080"`
		IdleTimeout  time.Duration `yaml:"idle_timeout" env-default:"30s"`
		WriteTimeout time.Duration `yaml:"write_timeout" env-default:"1s"`
		ReadTimeout  time.Duration `yaml:"read_timeout" env-default:"1s"`
		Origins      []string      `yaml:"origins" env-separator:"," env-default:"http://localhost:3000,"`
	}
	Database struct {
		Host     string `yaml:"host" env:"DATABASE_HOST" env-description:"Database host" env-default:"localhost"`
		Port     string `yaml:"port" env:"DATABASE_PORT" env-description:"Database port" env-default:"5432"`
		Sslmode  string `yaml:"sslmode" env-description:"Database ssl mode" env-default:"disable"`
		Name     string `yaml:"name" env-description:"Database name"`
		User     string `yaml:"user" env-description:"Database user"`
		Password string `yaml:"password" env-description:"Database user password"`

		MaxConnAttempts int           `yaml:"max_conn_attempt" env-default:"5"`
		ConnTimeout     time.Duration `yaml:"conn_timeout" env-default:"10s"`

		MigrationPath string `yaml:"migration_path" env:"DATABASE_MIGRATION_PATH" env-description:"Migration path"`
	}
	SteamRequester struct {
		RequestPerTime time.Duration `yaml:"request_per_time" env-description:"request limit per time" env-default:"5s"`
		CountPerTime   int           `yaml:"count_per_time" env-description:"count limit per time" env-default:"1"`
	}
	SteamWorker struct {
		RequestPerTime time.Duration `yaml:"request_per_time" env-description:"update prices time" env-default:"5m"`
	}
)

func MustLoadYaml(configPath string) *Config {
	if configPath == "" {
		log.Fatal("config path is not set")
	}

	if _, err := os.Stat(configPath); os.IsNotExist(err) {
		log.Fatalf("config path doesn't exist: %s", configPath)
	}

	var cfg Config

	if err := cleanenv.ReadConfig(configPath, &cfg); err != nil {
		log.Fatalf("cannot read config: %s", err)
	}

	return &cfg
}

func MustLoadEnv() *Config {
	var cfg Config

	if err := cleanenv.ReadEnv(&cfg); err != nil {
		log.Fatalf("cannot read config: %s", err)
	}

	return &cfg
}