#!/usr/bin/perl

use strict;
use Test::More 'no_plan';

BEGIN { use_ok 'urpm::cfg' }
BEGIN { use_ok 'urpm::download' }

chdir 't' if -d 't';
require './helper.pm';

helper::need_root_and_prepare();

my $name = 'various';

my $urpmi_debug_opt = '-q';#'-v --debug';
my $urpmi_addmedia = "perl -I.. ../urpmi.addmedia $urpmi_debug_opt --urpmi-root $::pwd/root";
my $urpmi          = "perl -I.. ../urpmi          $urpmi_debug_opt --urpmi-root $::pwd/root --ignoresize";
my $urpme          = "perl -I.. ../urpme --urpmi-root $::pwd/root";

my @want = `rpm -qpl media/$name/$name-1-1.*.rpm`;

system_("$urpmi_addmedia $name $::pwd/media/$name");

foreach ([ '', \@want ],
	 [ '--excludedocs', [ grep { !m!^/usr/share/doc! } @want ] ],
	 [ '--excludepath /usr', [ grep { !m!^/usr! } @want ] ],
     ) {
    my ($option, $want) = @$_;

    test_rpm_cmdline($option, $want);
    test_urpmi_cmdline($option, $want);
    test_urpmi_through_urpmi_cfg($option, $want);
}

sub test_rpm_cmdline {
    my ($option, $want) = @_;

    system_("rpm --root $::pwd/root -i $option media/$name/$name-1-1.*.rpm");
    check("rpm -i $option", $want);
    system_("rpm --root $::pwd/root -e $name");
    check('rpm -e', []);
}
sub test_urpmi_cmdline {
    my ($option, $want) = @_;

    system_("$urpmi $option $name");
    check("urpmi $option", $want);
    system_("$urpme $name");
    check('rpm -e', []);
}
sub test_urpmi_through_urpmi_cfg {
    my ($option, $want) = @_;

    set_urpmi_cfg_global_options(cmdline2hash($option));
    system_("$urpmi $name");
    check("urpmi ($option in urpmi.cfg)", $want);
    system_("$urpme $name");
    check('rpm -e', []);
    set_urpmi_cfg_global_options({});
}

sub check {
    my ($kind, $want) = @_;
    my @got_all = filter_urpmi_rpm_files(`find root  | sed 's/^root//'`);
    my @got_no_dirs = filter_urpmi_rpm_files(`find root ! -type d | sed 's/^root//'`);
    is(join('', difference2(\@got_no_dirs, $want)), '', "too many files ($kind)");
    is(join('', difference2($want, \@got_all)), '', "missing files ($kind)");
}

sub cmdline2hash {
    my ($option) = @_;
    $option =~ /--(\S+)\s*(\S*)/ ? { $1 => $2 } : {};
}

sub set_urpmi_cfg_global_options {
    my ($options) = @_;
    my $f = "root/etc/urpmi/urpmi.cfg";
    my $config = urpm::cfg::load_config($f);
    $config->{global} = $options;
    ok(urpm::cfg::dump_config($f, $config), 'config written');
}

sub filter_urpmi_rpm_files {
    grep { !m!^(/dev/null|/etc/urpmi|/etc/rpm/macros|/var/(cache|lib)/(urpmi|rpm))! } @_;
}

sub system_ {
    my ($cmd) = @_;
    system($cmd);
    ok($? == 0, $cmd);
}
sub difference2 { my %l; @l{@{$_[1]}} = (); grep { !exists $l{$_} } @{$_[0]} }

END { system('rm -rf root') }