package prompts

import (
	"bufio"
	"os"
	"strings"
	"velvettear/dedupe/files"
	"velvettear/dedupe/log"
	"velvettear/dedupe/settings"
)

func ListDuplicates() {
	log.Info("would you like to list all duplicate files? [y]es | [n]o")
	reader := bufio.NewReader(os.Stdin)
	input, error := reader.ReadString('\n')
	if error != nil {
		log.Fatal("encountered an error reading the input", error.Error())
	}
	input = strings.ToLower(strings.TrimSpace(strings.TrimSuffix(input, "\n")))
	if input != "y" && input != "yes" {
		return
	}
	for _, duplicate := range files.Duplicates {
		log.Info(duplicate)
	}
}

func HandleDuplicates(delete bool) bool {
	var msg string
	if delete {
		msg = "are you sure you want to delete all duplicate files? [y]es | [n]o"
	} else {
		msg = "are you sure you want to move all duplicate files to '" + settings.MoveDirectory + "'? [y]es | [no]"
	}
	log.Info(msg)
	reader := bufio.NewReader(os.Stdin)
	input, error := reader.ReadString('\n')
	if error != nil {
		log.Fatal("encountered an error reading the input", error.Error())
	}
	input = strings.ToLower(strings.TrimSpace(strings.TrimSuffix(input, "\n")))
	return input == "y" || input == "yes"
}

func DeleteOrMove() (confirmed bool, delete bool) {
	log.Warning("parameters for both actions 'delete' and 'move' are set")
	log.Info("do you want to delete or move all duplicate files? [d]elete | [m]ove")
	reader := bufio.NewReader(os.Stdin)
	input, error := reader.ReadString('\n')
	if error != nil {
		log.Fatal("encountered an error reading the input", error.Error())
	}
	input = strings.ToLower(strings.TrimSpace(strings.TrimSuffix(input, "\n")))
	switch input {
	case "d":
		fallthrough
	case "delete":
		return HandleDuplicates(true), true
	case "m":
		fallthrough
	case "move":
		return HandleDuplicates(false), false
	default:
		log.Fatal("input not recognized")
	}
	return false, false
}

func DeleteEmptyDirectories(directory string) bool {
	log.Info("do you want to delete all empty subdirectories in '" + directory + "'? [y]es | [n]o")
	reader := bufio.NewReader(os.Stdin)
	input, error := reader.ReadString('\n')
	if error != nil {
		log.Fatal("encountered an error reading the input", error.Error())
	}
	input = strings.ToLower(strings.TrimSpace(strings.TrimSuffix(input, "\n")))
	return input == "y" || input == "yes"
}