package main

import (
	"bufio"
	"os"
	"os/exec"

	"database/sql"
	_ "github.com/lib/pq"

	libpassword "dev.sum7.eu/sum7/warehost/lib/password"
)

var (
	configFile string
	username   string
	password   string
	execCmd    string
	config     *Config
	db         *sql.DB
	err        error
)

func main() {
	configFile = os.Args[1]
	execCmd = os.Args[2]

	pipe := os.NewFile(uintptr(3), "/dev/fd/3")
	defer pipe.Close()
	in := bufio.NewReader(pipe)
	data, _ := in.ReadBytes(0)
	username = string(data[:len(data)-1])
	data, _ = in.ReadBytes(0)
	password = string(data[:len(data)-1])

	config = ReadConfigFile(configFile)

	db, err = sql.Open("postgres", config.Database)
	if err != nil {
		os.Exit(1)
	}
	defer db.Close()

	var realPassword string
	err = db.QueryRow("select password from login where mail = $1", username).Scan(&realPassword)
	if err != nil {
		os.Exit(1)
	}

	output, _ := libpassword.Validate(realPassword, password)
	if output {
		exec.Command("bash", "-c", execCmd).Run()
	} else {
		os.Exit(1)
	}
}