#!/bin/sh
set -e

TESTDIR="$(readlink -f "$(dirname "$0")")"
. "$TESTDIR/framework"
setupenvironment
configarchitecture 'amd64'

buildsimplenativepackage 'pkg1' 'amd64' '1' 'stable'
buildsimplenativepackage 'pkg2' 'amd64' '1' 'stable'


setupaptarchive

cathistory() {
    sed rootdir/var/log/apt/history.log -re 's/^(Commandline|Start-Date|End-Date):.*/\1: dummy/'
}


testsuccess aptget install pkg1

testequal "
Start-Date: dummy
Commandline: dummy
Install: pkg1:amd64 (1)
End-Date: dummy" cathistory

testsuccess aptget install pkg2 --comment="A test comment"

testequal "
Start-Date: dummy
Commandline: dummy
Install: pkg1:amd64 (1)
End-Date: dummy

Start-Date: dummy
Commandline: dummy
Comment: A test comment
Install: pkg2:amd64 (1)
End-Date: dummy" cathistory

normalizedinfo() {
    apt history-info 0 | sed -E \
    -e 's/^( *-?Start time *: ).*/\1dummy/' \
    -e 's/^( *-?End time *: ).*/\1dummy/' \
    -e 's|^( *-?Command line *: ).*/(.*)|\1\2|'
}

testsuccessequal "Transaction ID: 0
Start time: dummy
End time: dummy
Requested by: 
Command line: apt-get install pkg1
Packages changed:
    Install pkg1:amd64 (1)
" normalizedinfo


################################################################################
# Read previous history for manipulation
################################################################################

# Test history
# 0 - Install pkg1
# 1 - Install pkg2
# 2 - Remove pkg1 (undo ID 0)
# 3 - Install pkg1 (undo ID 2)
# 4 - Remove pkg1 (redo ID 2)
# 5 - Install pkg1 (rollback to ID 1)
# 6 - Remove pkg1 (rollback to ID 2)

testdpkginstalled pkg1
# undo the first package install
apt history-undo 0 -y >> /dev/null
testdpkgnotinstalled pkg1
# ...which generates a new id that we also undo
apt history-undo 2 -y >>/dev/null
testdpkginstalled pkg1

# redo the removal
apt history-redo 2 -y >> /dev/null
testdpkgnotinstalled pkg1

# rollback to ID 1 and it should be installed
apt history-rollback 1 -y >> /dev/null 
testdpkginstalled pkg1
# rollback to ID 2 and it should be removed
apt history-rollback 2 -y >> /dev/null
testdpkgnotinstalled pkg1
# rollback to ID 0 and it should be installed
apt history-rollback 0 -y >> /dev/null
testdpkginstalled pkg1
# rollback to ID 4 and it should be removed
apt history-rollback 4 -y >> /dev/null
testdpkgnotinstalled pkg1

################################################################################
# Reset history log
################################################################################

msgmsg "Actionless group"
cat > rootdir/var/log/apt/history.log << EOF
Start-Date: dummy
Commandline: install nothing
End-Date: dummy
EOF

testsuccessequal "ID  Command line     Date and Time  Action  Changes

0   install nothing  dummy                  0      " apt history-list

testsuccessequal "Transaction ID: 0
Start time: dummy
End time: dummy
Requested by: 
Command line: install nothing
Packages changed:" normalizedinfo

cat > rootdir/var/log/apt/history.log << EOF
Start-Date: 1970-01-01 00:00:00
Commandline: install nothing
Install: nothing
End-Date: 1970-01-01 00:00:00

Start-Date: 1971-01-01 00:00:00
Commandline: remove something
Remove: something
End-Date: 1971-01-01 00:00:00
EOF

testsuccessequal "ID  Command line     Date and Time        Action  Changes

0   install nothing  1970-01-01 00:00:00  Install 1      
1   remove something 1971-01-01 00:00:00  Remove  1      " apt history-list

################################################################################
# Test different column widths
################################################################################
settestcolumnwidth() {
    local columns=$1
    local A_chars
    A_chars=$(printf 'a%.0s' $(seq 1 "$columns"))

    cat > rootdir/var/log/apt/history.log << EOF
Start-Date: dummy
Commandline: $A_chars
Install: nothing
End-Date: dummy
EOF

    export COLUMNS="$columns"
}

settestcolumnwidth 80
testsuccessequal "ID  Command line                                  Date and Time  Action  Changes

0   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...dummy          Install 1      " apt history-list

settestcolumnwidth 50
testsuccessequal "ID  Command line    Date and Time  Action  Changes

0   aaaaaaaaaaaaa...dummy          Install 1      " apt history-list

settestcolumnwidth 100
testsuccessequal "ID  Command line                                                      Date and Time  Action  Changes

0   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...dummy          Install 1      " apt history-list

settestcolumnwidth 60
testsuccessequal "ID  Command line              Date and Time  Action  Changes

0   aaaaaaaaaaaaaaaaaaaaaaa...dummy          Install 1      " apt history-list


testfailureequal "E: Incorrect usage, no ID was given." apt history-redo
testfailureequal "E: Incorrect usage, no ID was given." apt history-undo
testfailureequal "E: Incorrect usage, no ID was given." apt history-rollback