// multipass is a command for users to manage their multipass password database.
//
// See the Usage message for more details.
package main

import (
	"bufio"
	"fmt"
	"os"

	"pfish.zone/go/multipass/file"
)

const Usage = `
multipass is a command for users to manage their multipass password databases.

Usage:
	multipass command

The commands are:
	add
	remove

multipass add:
	adds a new password to the user's multipass database.
	Prompts the user for a description, and adds it.

multipass remove:
	removes a password from the user's multipass database.
	Lists the user's password, and removes the one they choose.
`

var commands map[string]func(*file.ShadowFile, *bufio.Reader) int

func init() {
	commands = make(map[string]func(*file.ShadowFile, *bufio.Reader) int)
	commands["add"] = add
	commands["remove"] = remove
}

func main() {
	if len(os.Args) != 2 {
		usage()
	}

	cmd, ok := commands[os.Args[1]]
	if !ok {
		usage()
	}

	passfile, err := file.ForMe()
	if err != nil {
		fmt.Println(err.Error())
		os.Exit(1)
	}
	input := bufio.NewReader(os.Stdin)
	os.Exit(cmd(passfile, input))
}

func usage() {
	fmt.Print(Usage)
	os.Exit(2)
}