#!/bin/sh

checkfailed() {
  if [ -f "$lroot/web_scripts/$addrend/.failed" ]; then
    rm -f $lroot/web_scripts/$addrend/.failed
    exit 1
  fi
}

sshrun() {
  athrun scripts scripts-ssh "$lname" "/mit/scripts/$@" 2>/dev/null
}

vsshrun() {
  athrun scripts scripts-ssh "$lname" "/mit/scripts/$@"
}

checksqlpass() {
    errors=`sshrun "sql/bin$scriptsdev/test-password"`
    if [ "$errors" != "" ]; then
        if [ "$1" -eq 1 ]; then
          rm -f $lroot/.sql/my.cnf
        fi
        echo
        echo ERROR:
        printf "$2"
        printf "$3"
        exit
    fi
}

echo 
echo == Welcome to the sql.mit.edu signup process ==
echo

echo "For documentation, including a link to the Athena rules of use,"
echo "see <http://sql.mit.edu>."
echo
echo Please report problems with this signup process to sql@mit.edu.
echo
echo Are you performing this signup for:
echo 1. Your personal Athena account
echo 2. A locker that you control \(a club, a course, etc\)
echo "If you do not understand this question, you should answer '1'".
printf "Please enter either '1' or '2' (without quotes): "
read whofor
if [ "$whofor" -eq 1 ]; then
    lname=$USER
    lroot=$HOME 
elif [ "$whofor" -eq 2 ]; then
    echo
    echo OK.  A MySQL account will be created for a locker of your choice that
    echo you control.  Please enter the name of the selected locker below.
    echo "(For the locker /mit/sipb, you would enter sipb)."
    while true; do
        printf "Locker name: "
        read lname
        if attach "$lname"; then
            break
        fi
        echo "$lname is not a valid locker name."
    done
    lroot="/mit/$lname"
else
    echo
    echo ERROR:
    echo You must select either '1' or '2'.
    exit 1
fi

# Users need to sign up for scripts.mit.edu so that they can
# authenticate themselves to sql.mit.edu
attach scripts
. /mit/scripts/bin$scriptsdev/signup-web

if [ "$requires_sql" = "" ]; then
  requires_sql=1
fi

if [ ! -f "$lroot/.my.cnf" ]; then
  mkdir -p $lroot/.sql
  fs sa $lroot/.sql system:anyuser none
  fs sa $lroot/.sql system:authuser none
  fs sa $lroot/.sql daemon.scripts write
  fs sa $lroot/.sql daemon.sql write
  ln -nfs .sql/my.cnf $lroot/.my.cnf
fi

if [ "$requires_sql" -eq 1 ]; then
  sqlinfo=`sshrun "sql/bin$scriptsdev/get-password"`
  if [ "$sqlinfo" = "" ]; then
      echo 
      echo You already have a MySQL account but you do not have a .my.cnf file.
      echo If you do not remember your MySQL account password, you can change it
      echo at http://sql.mit.edu using MIT certificates. 
      printf "Please type your MySQL password and press [enter]: "
      stty -echo
      read sqlpass
      stty echo
      echo
      sqlhost="sql.mit.edu"
      sqluser=$lname
      . /mit/scripts/sql/bin$scriptsdev/save-password
      checksqlpass 1 'The MySQL password that you typed appears to be incorrect.\n' ''
      echo
      echo OK.  Continuing with the install...
  else
      checksqlpass 0 'The MySQL login information in your .my.cnf file\n' 'appears to be incorrect.\n'
  fi
fi

echo
echo == Setup complete! ==
echo Your MySQL login information has been written to the file
echo "</mit/$lname/.sql/my.cnf>."
echo You must use the sql.mit.edu web interface to add or drop databases.
echo If you have trouble with your MySQL account, feel free to contact
echo the sql.mit.edu team by e-mailing sql@mit.edu
exit 0