#!/bin/bash

ROOT=$(dirname "$(readlink -f "$0")")
if [ ! -e "$ROOT"/config.cfg ]; then echo "Missing config.cfg file. Edit and rename config.cfg.sample"; exit 1; fi
source "$ROOT"/config.cfg

# XMLLINT test
# Alles in args, selbst erkennen ob build
# Webserver und Path nur anzeigen bei XHTML
# CONFIG file


if [ "$1" = "" ]; then
  self=$(basename $0) 
  echo "No parameters or variables given!"
  echo
  echo "Usage: "
  echo
  echo "$self file.en.xhtml"
  echo "   -- build single XHTML file from your source to the local web directory"
  echo "      the destination will be on the same relative level of the selected XHTML file"
  echo "      If not a XHTML file, it will be copied to the web directory"
  echo
  echo "$self --copy picture.png look/style.css"
  echo "   -- Just copies several files to the local web directory without even trying to build them"
  exit 0
fi

if [ "$1" = "--copy" ]; then
  numargs=$(($# - 1))
  echo "[INFO] Starting a plain mass copy with $numargs files..."
  for ((i=1; i <= $numargs; i++)); do
    SRC_full=$(realpath $2)
    DST_full=$(echo $SRC_full | sed -E "s|$LOC_trunk|$LOC_out|")
    echo "[INFO] Copying $SRC_full to $DST_full..."
    cp -R $SRC_full $DST_full
    shift
  done
  echo "[SUCCESS] Copying finished. Files should be visible via the local webserver now."
  exit 0
fi

SRC_rel=$1  # e.g. index.en.xhtml
SRC_full=$(realpath $SRC_rel) # Full path to source file

# CHECK whether the source file is located in LOC_trunk
if [ ! $(echo $SRC_full | grep "$LOC_trunk") ]; then
  echo "[ERROR] Given source file is not part of \$LOC_trunk (currently set to \"$LOC_trunk\"). Please only build files which reside in or below this directory. Aborting now."
  exit 1
fi

# TEST if a DEV SVN directory is used. If yes, copy clean file to this Dir
if [ "$LOC_trunk_dev" != "" ]; then
  SRC_full_dev=$(echo $SRC_full | sed -E "s|$LOC_trunk|$LOC_trunk_dev|")
  echo "[INFO] A \"dirty\" Development SVN directory ($LOC_trunk_dev) is being used. Copy file from clean SVN directory ($LOC_trunk) to Development directory..."
  cp $SRC_full $SRC_full_dev  # copy file from clean SVN to dev/dirty SVN
  SRC_full=$SRC_full_dev
  LOC_trunk=$LOC_trunk_dev
fi

echo "[INFO] Using file $SRC_full as source..."

### TRANSFORM XHTML file path
DST_full=$(echo $SRC_full | sed -E "s|$LOC_trunk|$LOC_out|")  # replace SVN directory by build/HTTP destination

### BUILD/COPY FILE depending on file extension
ftype=${SRC_full##*.} # get extension of file
ftype=$(echo "$ftype" | tr '[:upper:]' '[:lower:]')
ftype_build="xhtml" # file types which have to be built
if [[ "$ftype" == @($ftype_build) ]]; then  # file type of source has to be built
  DST_full=$(echo $DST_full | sed -E "s/$ftype_build/html/")  # Replace xhtml by html
  echo "[INFO] XHTML file detected. Going to build into $DST_full ..."
  $LOC_trunk/build/build_main.sh process_file $SRC_full > $DST_full
else  # if not built, just move it
  echo "[INFO] File type ($ftype) is detected as not to be built. Just copying it to $DST_full ..."
  cp $SRC_full $DST_full
fi


### START WEBSERVER if necessary
if [ ! $(pgrep lighttpd) ]; then
  echo "[INFO] Starting webserver"
  /usr/sbin/lighttpd -f $HTTPDST_conf
else
  echo "[INFO] Webserver already seems to be running."
fi

### SHOW RESULTS
echo
DST_rel=$(echo $DST_full | sed "s|$LOC_out||") # relative path
echo "[SUCCESS] Finished. File can be viewed at http://localhost:5080$DST_rel"