zrequire('hash_util');
zrequire('stream_data');
zrequire('people');
zrequire('Filter', 'js/filter');
zrequire('narrow_state');

set_global('location', {
    protocol: "https:",
    host: "example.com",
    pathname: "/",
});

const hamlet = {
    user_id: 1,
    email: 'hamlet@example.com',
    full_name: 'Hamlet',
};

people.add_active_user(hamlet);

const frontend = {
    stream_id: 99,
    name: 'frontend',
};

stream_data.add_sub(frontend);

run_test('hash_util', () => {
    // Test encodeHashComponent
    const str = 'https://www.zulipexample.com';
    const result1 = hash_util.encodeHashComponent(str);
    assert.equal(result1, 'https.3A.2F.2Fwww.2Ezulipexample.2Ecom');

    // Test decodeHashComponent
    const result2 = hash_util.decodeHashComponent(result1);
    assert.equal(result2, str);

    // Test encode_operand and decode_operand

    function encode_decode_operand(operator, operand, expected_val) {
        const encode_result = hash_util.encode_operand(operator, operand);
        assert.equal(encode_result, expected_val);
        const new_operand = encode_result;
        const decode_result = hash_util.decode_operand(operator, new_operand);
        assert.equal(decode_result, operand);
    }

    let operator = 'sender';
    let operand = hamlet.email;

    encode_decode_operand(operator, operand, '1-hamlet');

    operator = 'stream';
    operand = 'frontend';

    encode_decode_operand(operator, operand, '99-frontend');

    operator = 'topic';
    operand = 'testing 123';

    encode_decode_operand(operator, operand, 'testing.20123');
});

run_test('test_get_hash_category', () => {
    assert.deepEqual(
        hash_util.get_hash_category('streams/subscribed'),
        'streams'
    );
    assert.deepEqual(
        hash_util.get_hash_category('#settings/display-settings'),
        'settings'
    );
    assert.deepEqual(
        hash_util.get_hash_category('#drafts'),
        'drafts'
    );
    assert.deepEqual(
        hash_util.get_hash_category('invites'),
        'invites'
    );
});

run_test('test_get_hash_section', () => {
    assert.equal(
        hash_util.get_hash_section('streams/subscribed'),
        'subscribed'
    );
    assert.equal(
        hash_util.get_hash_section('#settings/your-account'),
        'your-account'
    );

    assert.equal(
        hash_util.get_hash_section('settings/10/general/'),
        '10'
    );

    assert.equal(
        hash_util.get_hash_section('#drafts'),
        ''
    );
    assert.equal(
        hash_util.get_hash_section(''),
        ''
    );
});

run_test('test_parse_narrow', () => {
    assert.deepEqual(
        hash_util.parse_narrow(['narrow', 'stream', '99-frontend']),
        [{negated: false, operator: 'stream', operand: 'frontend'}]
    );

    assert.deepEqual(
        hash_util.parse_narrow(['narrow', '-stream', '99-frontend']),
        [{negated: true, operator: 'stream', operand: 'frontend'}]
    );

    assert.equal(
        hash_util.parse_narrow(['narrow', 'BOGUS']),
        undefined
    );

    // For nonexistent streams, we get the full slug.
    // We possibly should remove the prefix and fix this test.
    assert.deepEqual(
        hash_util.parse_narrow(['narrow', 'stream', '42-bogus']),
        [{negated: false, operator: 'stream', operand: '42-bogus'}]
    );
});

run_test('test_stream_edit_uri', () => {
    const sub = {
        name: 'research & development',
        stream_id: 42,
    };
    assert.equal(hash_util.stream_edit_uri(sub),
                 '#streams/42/research.20.26.20development');
});

run_test('test_by_conversation_and_time_uri', () => {
    let message = {
        type: 'stream',
        stream_id: frontend.stream_id,
        topic: 'testing',
        id: 42,
    };

    assert.equal(hash_util.by_conversation_and_time_uri(message),
                 'https://example.com/#narrow/stream/99-frontend/topic/testing/near/42');

    message = {
        type: 'private',
        display_recipient: [
            {
                id: hamlet.user_id,
            },
        ],
        id: 43,
    };

    assert.equal(hash_util.by_conversation_and_time_uri(message),
                 'https://example.com/#narrow/pm-with/1-pm/near/43');
});

run_test('test_search_public_streams_notice_url', () => {
    function set_uri(uri) {
        const operators = hash_util.parse_narrow(uri.split('/'));
        narrow_state.set_current_filter(new Filter(operators));
    }

    set_uri("#narrow/search/abc");
    assert.equal(hash_util.search_public_streams_notice_url(),
                 "#narrow/streams/public/search/abc");


    set_uri("#narrow/has/link/has/image/has/attachment");
    assert.equal(hash_util.search_public_streams_notice_url(),
                 "#narrow/streams/public/has/link/has/image/has/attachment");

    set_uri("#narrow/sender/15");
    assert.equal(hash_util.search_public_streams_notice_url(),
                 "#narrow/streams/public/sender/15");
});