#!/bin/bash

set -e

EXAMPLE_TEMP=$1
DOC_DIR=$2
VERSION=$3

function move_examples()
{
    # Make examples dir
    install -d -m 755 $DOC_DIR/$1/${VERSION}/examples

    for package in $2
    do
        if [ -d $EXAMPLE_TEMP/$package/examples ]; then
            echo "Moving examples of $package"
            EXAMPLE_TEMP_DIR="$EXAMPLE_TEMP/$package/examples"
            EXAMPLE_INSTALL_DIR="$DOC_DIR/$1/${VERSION}/examples/$package"
            # Move dir renaming it
            if [ -e "${EXAMPLE_INSTALL_DIR}" ]
            then
                echo "#### \"${EXAMPLE_INSTALL_DIR}\" is in the way, please remove it first ####"
                exit 255
            else
                mv -v -f "${EXAMPLE_TEMP_DIR}" "${EXAMPLE_INSTALL_DIR}"
                rmdir $EXAMPLE_TEMP/$package
                # Remove empty directories:
                rmdir --ignore-fail-on-non-empty "${EXAMPLE_INSTALL_DIR}"
            fi
        fi
    done

    # Remove empty directories:
    rmdir --ignore-fail-on-non-empty $DOC_DIR/$1/${VERSION}/examples
}

echo '**** Copying examples ****'
PACKAGE_LIST='debian/fp-units-'*'.install.in'

for PACKAGE_FILE in ${PACKAGE_LIST}
do
    PACKAGE_NAME=`basename "${PACKAGE_FILE}" '.install.in'`
    PACKAGE_CONTENT=`grep '/usr/lib/fpc' "${PACKAGE_FILE}" | sed -e 's@.*/\([^/]\)/\?@\1@'`
	echo '    **** PACKAGE_NAME = "'${PACKAGE_NAME}'"'
	echo '    **** PACKAGE_CONTENT = "'${PACKAGE_CONTENT}'"'
    move_examples "${PACKAGE_NAME}" "${PACKAGE_CONTENT}"
done

echo '**** Examples copyed ****'

rmdir $EXAMPLE_TEMP