#
# URI parsing function
#
# The function creates global variables with the parsed results.
# It returns 0 if parsing was successful or non-zero otherwise.
#
# [schema://][user[:password]@]host[:port][/path][?[arg1=val1]...][#fragment]
#
function uri_parser() {
    # uri capture
    uri="$@"

    # safe escaping
    uri="${uri//\`/%60}"
    uri="${uri//\"/%22}"

    # top level parsing
    pattern='^(([a-z]{3,5})://)?((([^:\/]+)(:([^@\/]*))?@)?([^:\/?]*)(:([0-9]+))?)(\/[^?]*)?(\?[^#]*)?(#.*)?$'
    [[ "$uri" =~ $pattern ]] || return 1;

    # component extraction
    uri=${BASH_REMATCH[0]}
    uri_schema=${BASH_REMATCH[2]}
    uri_address=${BASH_REMATCH[3]}
    uri_user=${BASH_REMATCH[5]}
    uri_password=${BASH_REMATCH[7]}
    uri_host=${BASH_REMATCH[8]}
    uri_port=${BASH_REMATCH[10]}
    uri_path=${BASH_REMATCH[11]}
    uri_query=${BASH_REMATCH[12]}
    uri_fragment=${BASH_REMATCH[13]}

    # path parsing
    count=0
    path="$uri_path"
    pattern='^/+([^/]+)'
    while [[ $path =~ $pattern ]]; do
        eval "uri_parts[$count]=\"${BASH_REMATCH[1]}\""
        path="${path:${#BASH_REMATCH[0]}}"
        let count++
    done

    # query parsing
    count=0
    query="$uri_query"
    pattern='^[?&]+([^= ]+)(=([^&]*))?'
    while [[ $query =~ $pattern ]]; do
        eval "uri_args[$count]=\"${BASH_REMATCH[1]}\""
        eval "uri_arg_${BASH_REMATCH[1]}=\"${BASH_REMATCH[3]}\""
        query="${query:${#BASH_REMATCH[0]}}"
        let count++
    done

    # return success
    return 0
}

function uri_build () {
   #check schema
   if [[ -z $1 ]]; then
      echo "No schema specified"
      return 1
   else
      schema="$1://"
   fi
   #check user
   if [[ -z $2 ]]; then
      user=''
   else
      user="$2"
      at="@"
   fi
   #check password
   if [[ -z $3 ]]; then
      password=''
   else
      password=":$3"
      at="@"
   fi
   #check host
   if [[ -z $4 ]]; then
      echo "No host specified"
#      return 1
   else
      host=$4
   fi
   #check port
   if [[ -z $5 ]]; then
      port=''
   else
      port=":$5"
   fi
   #the rest of parameters are passed as is
   echo "$schema$user$password$at$host$port$6$7$8"
}

uri=$1

# perform parsing and handle failure
uri_parser "$uri" || { echo "Malformed URI!"; exit 1; }

# main uri
#echo "uri               = $uri"

# uri components
#echo "uri_schema        = $uri_schema"
#echo "uri_address       = $uri_address"
#echo "uri_user          = $uri_user"
#echo "uri_password      = $uri_password"
#echo "uri_host          = $uri_host"
#echo "uri_port          = $uri_port"
#echo "uri_path          = $uri_path"
#echo "uri_query         = $uri_query"
#echo "uri_fragment      = $uri_fragment"

if [[ $uri_host =~ ^crm* ]]; then
   uri_host="tickets.company.com"
    dst=$(uri_build "$uri_schema" "$uri_user" "$uri_password" "$uri_host" "$uri_port" "$uri_path" "$uri_query" "$uri_fragment")
    open -a "Firefox" $dst
elif [[ $uri_host =~ ^*.company.com$ ]]; then
   open -a "Firefox" $uri
else
   open -a "Google Chrome" $uri
fi