package main

import (
	"fmt"
	"strconv"
	"strings"
	"znga/Desktop/go/todo/internal/services"
)

func main() {
	ts := services.NewTaskService()

	options := map[string]string{
		"i": "insert",
		"u": "update",
		"l": "list",
		"s": "show",
		"d": "delete",
	}
	for {

		fmt.Println("Options: ")
		for k, v := range options {
			fmt.Printf("%s to %s\t", k, v)
		}
		fmt.Println("")
		fmt.Print("Select an option: ")
		var scan string
		_, err := fmt.Scanln(&scan)
		if err != nil {
			panic(err)
		}
		//value, bool
		if _, found := options[strings.ToLower(scan)]; !found {
			fmt.Printf("option %s is not allowed\n", scan)
			continue
		}
		switch scan {
		case "i":
			fmt.Print("type key, task(only integers allowed): ")
			_, err := fmt.Scanln(&scan)
			if err != nil {
				panic(err)
			}
			taskID, err := strconv.Atoi(scan)
			if err != nil {
				fmt.Println("invalid ID")
				continue
			}
			fmt.Print("write your task: ")
			_, err = fmt.Scanln(&scan)
			if err != nil {
				panic(err)
			}
			if err := ts.Insert(taskID, scan); err != nil {
				fmt.Println(err)
				continue
			}
			break
		case "l":
			fmt.Println(strings.Repeat("*", 20))
			for k, v := range ts.List() {
				fmt.Printf("ID: %d - %s\n", k, v)
			}
			fmt.Println(strings.Repeat("*", 20))
			break
		case "s":
			fmt.Print("type key you want to retrieve (only integers allowed): ")
			var key int
			_, err := fmt.Scanln(&key)
			if err != nil {
				panic(err)
			}
			fmt.Scanln()

			fmt.Println(strings.Repeat("*", 20))
			task := ts.Show(key)
			if task != "" {
				fmt.Println("Task:", task)
			} else {
				fmt.Println("Task not found.")
			}
			fmt.Println(strings.Repeat("*", 20))
			break
		case "d":
			fmt.Print("type key you want to delete (only integers allowed): ")
			var key int
			_, err := fmt.Scanln(&key)
			if err != nil {
				panic(err)
			}
			fmt.Scanln()

			if err := ts.Delete(key); err != nil {
				fmt.Println(err)
			} else {
				fmt.Println("Task deleted successfully.")
			}
			break
		case "u":
			fmt.Print("type key you want to update (only integers allowed): ")
			var key int
			_, err := fmt.Scanln(&key)
			if err != nil {
				panic(err)
			}
			fmt.Scanln()

			fmt.Print("Write the new task description: ")
			var newTask string
			_, err = fmt.Scanln(&newTask)
			if err != nil {
				panic(err)
			}

			if err := ts.Update(key, newTask); err != nil {
				fmt.Println(err)
			} else {
				fmt.Println("Task updated successfully")
			}
			break
		}
	}

}