#!/bin/bash

#Author:        Copyright Jelle de Jong <jelledejong@powercraft.nl>
#Note:          Please send me an email if you enhanced this script
#Version:       0.0.1
#Date:          05-04-07
#System:        Ubuntu/Debian GNU/Linux
#Information:   man cat
#Category       Thunar scripts
#Name:          Merge MPG Files
#Description:   Merge multiple MPG files into one file
#Command:       xfce4-terminal --disable-server --hide-toolbars --execute /usr/share/pct-thunar-scripts/scripts/merge-file %F
#Patterns:      *
#Video Files:   True

# Did the script work for you?
# Yes
# Yes, but with some errors
# Yes, but I had to change some things
# Not at all

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.

TEXTDOMAINDIR=/usr/share/locale
TEXTDOMAIN=${0##*/}

NAME=$"Merge MPG Files"
DESCRIPTION=$"Merge multiple MPG files into one file"

cecho()
{
    case "$1" in
        "black")
               echo -ne "\E[30m"
               ;;
        "red")
               echo -ne "\E[31m"
               ;;
        "green")
               echo -ne "\E[32m"
               ;;
        "yellow")
               echo -ne "\E[33m"
               ;;
        "blue")
               echo -ne "\E[34m"
               ;;
        "magenta")
               echo -ne "\E[35m"
               ;;
        "cyan")
               echo -ne "\E[36m"
               ;;
         *)
               echo -ne "\E[30m"
               exit
               ;;
    esac

    echo "$2" "$3"
    tput sgr0
}

cecho "green" $"program:"
echo "$0"

cecho "green" $"description:"
echo "$DESCRIPTION"

check_program()
{
    #whereis $1
    if [ ! -e /usr/bin/$1 ]
    then
        cecho "red" $"$1 not found, installing now"
        sudo apt-get install "$1"
    fi
}

cecho "green" $"processing:"
for I in "$@"
do
    filename=${I##*/}
    cecho "green" "$filename"
done

echo -n $"are you sure you want to continue [Y/n]? "
read input
if [ "$input" = "n" ]
then
    exit 0
fi

cecho "blue" "---------------"

for I in "$@"
do
    cecho "green" $"starting: "

    # step 1: get name of file
    # step 2: get file extention
    # step 3: get location of the file
    # step 4: create a list of file to merge
    # step 5: display all the data and ask to continue
    # step 6: merge the files
    # step 7: display reslult and ask to exit

    if [ -f "$I" ]
    then
        dirname=${I%/*}
        file=${I##*/}
        filename=${I##*/}; filename=${filename%.*}
        extension=${I##*.}
        filetype=$(file -b "$I" | cut -f 1 -d ",")

        if [ "$extension" = "mpg" ]
        then
            echo "added ${I##*/} to query mpg"
            query_mpg+=("$I")
        fi
    fi

    cecho "green" $"completed:"
    cecho "blue" "---------------"
done

if [ -n "$query_mpg" ]
then
    echo $"starting to merge the files, please standby..."
    cat "${query_mpg[@]}" > "$dirname/$filename"-merge.mpg
fi

echo -n $"completed task, are you sure you want to exit [Y/n]? "
read input
if [ "$input" = "n" ]
then
    exit 0
fi

exit