use strict;
use warnings;
use Test::More;
use Test::Deep;
use Test::Warnings;

use lib "lib";
use Test::DBIC::ExpectedQueries;


sub query {
    my ($table, $operation) = @_;
    return Test::DBIC::ExpectedQueries::Query->new({
        sql                     => "$operation on $table",
        stack_trace             => "not under test",
        table                   => $table,
        operation               => $operation,
        report_subselect_tables => 0,
    });
}

sub add_queries {
    my ($queries) = @_;
    $queries->queries([
        query("puff", "select"),
        query("puff", "select"),
        query("magic", "insert"),
        query("magic", "insert"),
        query("magic", "select"),
        query("magic", "select"),
        query("magic", "select"),
        query("dragon", "delete"),
        Test::DBIC::ExpectedQueries::Query->new({
            sql                     => "create table abc",
            stack_trace             => "",
            report_subselect_tables => 0,
        }),
    ]);
}

my $queries = Test::DBIC::ExpectedQueries->new({
    schema => "don't hit anything that uses ->schema and we'll be fine",
});



note "Test queries vs expected";
#
# puff
#  select 2
# magic
#  insert 2
#  select 3
# dragon
#  delete 1

# * Expect
# ok  - puff select 2
# not - puff insert > 0
# ok - magic insert < 3
# not - no mention of magic select
# not - dragon, no mention of

add_queries($queries);

my $table_operation_count = $queries->table_operation_count;
my $expected_operation_count = {
    dragon => { delete => 1 },
    magic  => { select => 3, insert => 2 },
    puff   => { select => 2 }
};
cmp_deeply(
    $table_operation_count,
    $expected_operation_count,
    "Correct table_operation_count",
) or diag explain $table_operation_count;

my $failure = $queries->check_table_operation_counts({
    puff  => { select => 2 },
    magic => { insert => "> 0", stack_trace => 1 },
});

is(
    $failure,
    "* Table: dragon
Expected '0' deletes for table 'dragon', got '1'
Actually executed SQL queries on table 'dragon':
SQL: (delete on dragon)

* Table: magic
Expected '0' selects for table 'magic', got '3'
Actually executed SQL queries on table 'magic':
SQL: (insert on magic)
     not under test
SQL: (insert on magic)
     not under test
SQL: (select on magic)
     not under test
SQL: (select on magic)
     not under test
SQL: (select on magic)
     not under test

",
    "Correctly identified all discrepancies",
);

is(
    $queries->unknown_warning,
    "

Warning: unknown queries:
SQL: (create table abc)
",
    "Found unknown queries",
);



note "Check it works to run many times and then checking";
$queries->queries([
    query("puff", "select"),
]);
$failure = $queries->check_table_operation_counts({
    puff  => { select => 1 },
});

is($failure, "", "Re-setting queries re-sets the stats");


###JPL: test all $expected_queries, even if there's no query for one
subtest "Missing operation fails" => sub {

    add_queries($queries);
    my $failure = $queries->check_table_operation_counts({
        %$expected_operation_count,
        dragon => {
            delete => 1, # sql was run for this
            insert => 1, # no sql for this
        },
    });
    is(
        $failure,
        q|* Table: dragon
Expected '1' inserts for table 'dragon', got '0'
Actually executed SQL queries on table 'dragon':
SQL: (delete on dragon)

|,
        "Missing dragon insert failed",
    );
};

subtest "Missing table fails" => sub {

    add_queries($queries);
    my $failure = $queries->check_table_operation_counts({
        %$expected_operation_count,
        othertable => {
            insert => 1, # no sql for this
        },
    });
    is(
        $failure,
        q|* Table: othertable
Expected '1' inserts for table 'othertable', got '0'
Actually executed SQL queries on table 'othertable':


|,
        "Missing othertable (no operations at all) failed",
    );
};

subtest "Test spec undef doesn't warn" => sub {

    add_queries($queries);
    my $failure = $queries->check_table_operation_counts({
        %$expected_operation_count,
        puff => {
            insert => undef, # shouldn't warn
        },
    });
    pass("Placeholder PASS, the warnings will be reported at the end");
};

# TODO: test invalid test operation like "isnert"


done_testing();