package config

import (
	"fmt"
	"log"
	"log/slog"
	"path/filepath"
	"slices"

	"github.com/spf13/viper"

	"git.amok.space/yevhen/resource-scraper/types/constant"
)

func New() {
	configFilePath := viper.GetString(constant.FlagConfigFile)
	configName := filepath.Base(configFilePath)

	dir := filepath.Dir(configFilePath)
	if dir == configName && dir == "." {
		configName = "default"
	}

	configDir, _ := filepath.Abs(dir)

	viper.AddConfigPath(configDir)
	viper.SetConfigName(configName)
	err := viper.ReadInConfig()
	if err != nil { // Handle errors reading the config file
		panic(fmt.Errorf("fatal error config file: %w", err))
	}

	viper.SetConfigName("secret")
	err = viper.MergeInConfig()
	if err != nil { // Handle errors reading the config file
		panic(fmt.Errorf("fatal error secret file: %w", err))
	}

	slog.Info("using config", "path", filepath.Join(configDir, configName))
	viper.SetDefault(constant.CfgKeyConfigDir, configDir)

	// Scopes validating
	scope := viper.GetString(constant.CfgKeyScopeEnable)
	scopesAllowed := viper.GetStringSlice("scope.allow")

	if !slices.Contains(scopesAllowed, scope) {
		scope = viper.GetString("scope.default")

		if scope == "" {
			scope = constant.ScopeInfo
		}
	}

	fmt.Println("scope", scope)

	viper.SetConfigName(scope)
	viper.AddConfigPath(filepath.Join(configDir, "scope"))
	err = viper.MergeInConfig()
	if err == nil {
		viper.SetDefault(constant.CfgKeyScopeEnable, scope)
	} else {
		log.Fatalf("fatal error config file: %v", err)
	}
}