use strict;
use warnings;

use Test::More;
use File::Temp qw{tempfile};

use_ok('Test::Mapper');

# Spin up a temp DB for each test run
my ( undef, $dbfile ) = tempfile( UNLINK => 1, SUFFIX => '.db' );

my $mapper = Test::Mapper->new(
    db          => $dbfile,
    product     => 'TestProduct',
    environment => 'linux',
);

isa_ok( $mapper, 'Test::Mapper' );

# ---- map_test / tests_for_resources ----------------------------------------

$mapper->map_test(
    test      => 't/acceptance/login.t',
    resources => [ 'lib/MyApp/Auth.pm', 'lib/MyApp/Session.pm' ],
);

$mapper->map_test(
    test      => 't/acceptance/logout.t',
    resources => [ 'lib/MyApp/Session.pm' ],
);

my @tests = $mapper->tests_for_resources( resources => ['lib/MyApp/Auth.pm'] );
is( scalar @tests, 1, 'one test for Auth.pm' );
is( $tests[0], 't/acceptance/login.t', 'correct test for Auth.pm' );

my @shared = sort $mapper->tests_for_resources( resources => ['lib/MyApp/Session.pm'] );
is( scalar @shared, 2, 'two tests for Session.pm' );
is_deeply( \@shared, [ 't/acceptance/login.t', 't/acceptance/logout.t' ],
    'correct tests for Session.pm' );

my @none = $mapper->tests_for_resources( resources => ['lib/MyApp/Unknown.pm'] );
is( scalar @none, 0, 'no tests for unmapped resource' );

$mapper->map_test(
    test      => 't/acceptance/login.t',
    resources => ['lib/MyApp/Auth.pm'],
);
my @dedup = $mapper->tests_for_resources( resources => ['lib/MyApp/Auth.pm'] );
is( scalar @dedup, 1, 'duplicate mapping is idempotent' );

# ---- build lifecycle -------------------------------------------------------

my $build = 'abc123';

my @queued = $mapper->start_build(
    build     => $build,
    resources => ['lib/MyApp/Auth.pm'],
);
is( scalar @queued, 1, 'start_build queues one test for changed Auth.pm' );
is( $queued[0], 't/acceptance/login.t', 'correct test queued' );

my @pending = $mapper->pending_tests( build => $build );
is( scalar @pending, 1, 'one pending test before any claims' );

# claim_test returns 1 on success
my $claimed = $mapper->claim_test(
    build  => $build,
    test   => 't/acceptance/login.t',
    worker => 'worker-1',
);
is( $claimed, 1, 'claim_test succeeds first time' );

# double-claim returns 0
my $double = $mapper->claim_test(
    build  => $build,
    test   => 't/acceptance/login.t',
    worker => 'worker-2',
);
is( $double, 0, 'claim_test fails when already claimed' );

# no more pending after claim
my @after_claim = $mapper->pending_tests( build => $build );
is( scalar @after_claim, 0, 'no pending tests after claim' );

# complete the test
$mapper->complete_test(
    build  => $build,
    test   => 't/acceptance/login.t',
    result => 0,
);

my $results = $mapper->build_results( build => $build );
is( scalar @$results, 1, 'build_results returns one row' );
is( $results->[0]{test_file}, 't/acceptance/login.t', 'correct test_file in result' );
is( $results->[0]{result},    0,                      'result is 0 (pass)' );
ok( defined $results->[0]{finish}, 'finish timestamp set after complete_test' );

# ---- start_build is idempotent for same build+resources -------------------

my @requeued = $mapper->start_build(
    build     => $build,
    resources => ['lib/MyApp/Auth.pm'],
);
my $results2 = $mapper->build_results( build => $build );
is( scalar @$results2, 1, 'start_build idempotent — no duplicate rows' );

# ---- empty resources list -------------------------------------------------

my @empty_queued = $mapper->start_build(
    build     => 'no-changes',
    resources => [],
);
is( scalar @empty_queued, 0, 'start_build with empty resources returns empty list' );

done_testing;