package main

import (
	"fmt"
	"gopkg.in/yaml.v2"
	"io/ioutil"
	"os"
	"penahub.gitlab.yandexcloud.net/pena-services/email-tester/model"
	"penahub.gitlab.yandexcloud.net/pena-services/email-tester/senders"
)

type event string

var toClient event = "toClient"
var reminder event = "reminder"

func main() {
	fmt.Println("Need event type 'toClient' or 'reminder':")
	var eventFlag string
	fmt.Scanln(&eventFlag)
	defer func() {
		fmt.Println("if you want exit write 'exit'")
		var exit string
		fmt.Scanln(&exit)
		if exit == "exit" {
			return
		}
	}()
	config, err := loadConfig("config.yaml")
	if err != nil {
		fmt.Println(err)
		return
	}
	err = config.Validate()
	if err != nil {
		fmt.Println("failed validate config:", err)
		return
	}
	switch eventFlag {
	case string(toClient):
		fmt.Println("Processing 'toClient' event")
		err = senders.ToClientTesting(config)
		if err != nil {
			fmt.Println("error process task for toClient test:", err)
			return
		}
		fmt.Println("OK check mailbox")
	case string(reminder):
		fmt.Println("Processing 'reminder' event")
		err = senders.ReminderTesting(config)
		if err != nil {
			fmt.Println("error process task for reminder test:", err)
			return
		}
		fmt.Println("OK check mailbox")
	default:
		fmt.Println("No event type or unknown event type specified need 'toClient' or 'reminder'")
	}
}

func loadConfig(filename string) (model.Config, error) {
	var config model.Config

	file, err := os.Open(filename)
	if err != nil {
		return config, err
	}
	defer file.Close()

	data, err := ioutil.ReadAll(file)
	if err != nil {
		return config, err
	}

	err = yaml.Unmarshal(data, &config)
	if err != nil {
		return config, err
	}

	return config, nil
}