#!/bin/sh

LOCAL_FILE="$1"
LOCAL_LST="$2"
SCR_APK="$3"
C_LIST="$4"
H_REPLACE="$5"
C_EXCLUDE="$6"

[ -z "$LOCAL_FILE" ] || [ -z "$LOCAL_LST" ] || [ -z "$C_LIST" ] && echo "Missing params!" && exit 1

TMP_DIR="/tmp/backup_stack"
rm -rf "$TMP_DIR" && mkdir -p "$TMP_DIR"

$SCR_APK write "$LOCAL_LST" "$H_REPLACE"

echo "Included:"
for p in $C_LIST; do
    [ -z "$p" ] && continue
    if [ -e "$p" ]; then
        mkdir -p "$TMP_DIR$(dirname "$p")"
        cp -aP "$p" "$TMP_DIR$p"
        echo " [+] $p"
    fi
done

echo "Excluded:"
if [ -n "$C_EXCLUDE" ]; then
    for item in $C_EXCLUDE; do
        [ -z "$item" ] && continue
        TARGET_REMOVE=$(echo "$TMP_DIR/$item" | sed 's|//*|/|g')
        if [ -e "$TARGET_REMOVE" ]; then
            rm -rf "$TARGET_REMOVE"
            echo " [-] $item"
        else
            echo " [!] Not found in backup: $item"
        fi
    done
fi

printf "Creating backup... "
TAR_ERR=$(tar -cz -f "$LOCAL_FILE" -C "$TMP_DIR" . 2>&1)

if [ $? -eq 0 ] && [ -f "$LOCAL_FILE" ]; then
    echo "OK"
    echo " [+] Archive size: $(du -sh "$LOCAL_FILE" | awk '{print $1}')"
else
    echo "FAILED"
    [ -n "$TAR_ERR" ] && echo "[!] Tar error: $TAR_ERR"
    rm -rf "$TMP_DIR"
    exit 1
fi

rm -rf "$TMP_DIR"