package app

import (
	"flag"
	"fmt"

	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
	"penahub.gitlab.yandexcloud.net/pena-services/bluepint/blueprint"
	"penahub.gitlab.yandexcloud.net/pena-services/bluepint/creator"
)

type App struct {
	Config *Config
	logger *zap.Logger
}

type Config struct {
	Version string
}

func NewApp(cfg *Config) *App {
	cfgLogger := zap.NewDevelopmentConfig()
	cfgLogger.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
	cfgLogger.EncoderConfig.ConsoleSeparator = "    "

	logger, err := cfgLogger.Build()
	if err != nil {
		panic(err)
	}

	return &App{
		Config: cfg,
		logger: logger,
	}
}

// Execute - Любой вызов приложения.
func (r *App) Execute() {
	versionFlag := flag.Bool("v", false, "Show current version")

	flag.Parse()

	if *versionFlag {
		if err := r.Version(); err != nil {
			r.logger.Fatal("app.Version", zap.Error(err))
			return
		}
		return
	}

	r.Run()
}

// Run - Запуск приложения.
func (r *App) Run() {
	file, err := blueprint.FileToStruct("")

	if err != nil {
		r.logger.Fatal("blueprint.FileToStruct", zap.Error(err))
	}

	creator := creator.NewCreator(creator.Deps{Blueprint: file})

	if err = creator.CreateApp(); err != nil {
		r.logger.Fatal("creator.CreateApp", zap.Error(err))
	}
}

// Version - Вывод версии приложения.
func (r *App) Version() error {
	_, err := fmt.Println("Version: ", r.Config.Version)

	return err
}