/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include "alloc-util.h"
#include "localed-util.h"
#include "log.h"
#include "string-util.h"
#include "tests.h"

TEST(find_language_fallback) {
        _cleanup_free_ char *ans = NULL, *ans2 = NULL;

        assert_se(find_language_fallback("foobar", &ans) == 0);
        assert_se(ans == NULL);

        assert_se(find_language_fallback("csb", &ans) == 0);
        assert_se(ans == NULL);

        assert_se(find_language_fallback("csb_PL", &ans) == 1);
        assert_se(streq(ans, "csb:pl"));

        assert_se(find_language_fallback("szl_PL", &ans2) == 1);
        assert_se(streq(ans2, "szl:pl"));
}

TEST(find_converted_keymap) {
        _cleanup_free_ char *ans = NULL, *ans2 = NULL;
        int r;

        assert_se(find_converted_keymap(
                        &(X11Context) {
                                .layout  = (char*) "pl",
                                .variant = (char*) "foobar",
                        }, &ans) == 0);
        assert_se(ans == NULL);

        r = find_converted_keymap(
                        &(X11Context) {
                                .layout  = (char*) "pl",
                        }, &ans);
        if (r == 0) {
                log_info("Skipping rest of %s: keymaps are not installed", __func__);
                return;
        }

        assert_se(r == 1);
        assert_se(streq(ans, "pl"));
        ans = mfree(ans);

        assert_se(find_converted_keymap(
                        &(X11Context) {
                                .layout  = (char*) "pl",
                                .variant = (char*) "dvorak",
                        }, &ans2) == 1);
        assert_se(streq(ans2, "pl-dvorak"));
}

TEST(find_legacy_keymap) {
        X11Context xc = {};
        _cleanup_free_ char *ans = NULL, *ans2 = NULL;

        xc.layout = (char*) "foobar";
        assert_se(find_legacy_keymap(&xc, &ans) == 0);
        assert_se(ans == NULL);

        xc.layout = (char*) "pl";
        assert_se(find_legacy_keymap(&xc, &ans) == 1);
        assert_se(streq(ans, "pl2"));

        xc.layout = (char*) "pl,ru";
        assert_se(find_legacy_keymap(&xc, &ans2) == 1);
        assert_se(streq(ans, "pl2"));
}

TEST(vconsole_convert_to_x11) {
        _cleanup_(x11_context_clear) X11Context xc = {};
        _cleanup_(vc_context_clear) VCContext vc = {};
        int r;

        log_info("/* test empty keymap */");
        assert_se(vconsole_convert_to_x11(&vc, &xc) >= 0);
        assert_se(x11_context_isempty(&xc));

        log_info("/* test without variant, new mapping (es:) */");
        assert_se(free_and_strdup(&vc.keymap, "es") >= 0);
        assert_se(vconsole_convert_to_x11(&vc, &xc) >= 0);
        assert_se(streq(xc.layout, "es"));
        assert_se(xc.variant == NULL);
        x11_context_clear(&xc);

        log_info("/* test with known variant, new mapping (es:dvorak) */");
        assert_se(free_and_strdup(&vc.keymap, "es-dvorak") >= 0);
        assert_se(vconsole_convert_to_x11(&vc, &xc) >= 0);
        assert_se(streq(xc.layout, "es"));
        assert_se(streq(xc.variant, "dvorak"));
        x11_context_clear(&xc);

        log_info("/* test with old mapping (fr:latin9) */");
        assert_se(free_and_strdup(&vc.keymap, "fr-latin9") >= 0);
        assert_se(vconsole_convert_to_x11(&vc, &xc) >= 0);
        assert_se(streq(xc.layout, "fr"));
        assert_se(streq(xc.variant, "latin9"));
        x11_context_clear(&xc);

        log_info("/* test with a compound mapping (ru,us) */");
        assert_se(free_and_strdup(&vc.keymap, "ru") >= 0);
        assert_se(vconsole_convert_to_x11(&vc, &xc) >= 0);
        assert_se(streq(xc.layout, "ru,us"));
        assert_se(xc.variant == NULL);
        x11_context_clear(&xc);

        log_info("/* test with a simple mapping (us) */");
        assert_se(free_and_strdup(&vc.keymap, "us") >= 0);
        assert_se(vconsole_convert_to_x11(&vc, &xc) >= 0);
        assert_se(streq(xc.layout, "us"));
        assert_se(xc.variant == NULL);
        x11_context_clear(&xc);

        /* "gh" has no mapping in kbd-model-map and kbd provides a converted keymap for this layout. */
        log_info("/* test with a converted keymap (gh:) */");
        assert_se(free_and_strdup(&vc.keymap, "gh") >= 0);
        r = vconsole_convert_to_x11(&vc, &xc);
        if (r == 0) {
                log_info("Skipping rest of %s: keymaps are not installed", __func__);
                return;
        }
        assert_se(r > 0);
        assert_se(streq(xc.layout, "gh"));
        assert_se(xc.variant == NULL);
        x11_context_clear(&xc);

        log_info("/* test with converted keymap and with a known variant (gh:ewe) */");
        assert_se(free_and_strdup(&vc.keymap, "gh-ewe") >= 0);
        assert_se(vconsole_convert_to_x11(&vc, &xc) > 0);
        assert_se(streq(xc.layout, "gh"));
        assert_se(streq(xc.variant, "ewe"));
        x11_context_clear(&xc);

        log_info("/* test with converted keymap and with an unknown variant (gh:ewe) */");
        assert_se(free_and_strdup(&vc.keymap, "gh-foobar") > 0);
        assert_se(vconsole_convert_to_x11(&vc, &xc) > 0);
        assert_se(streq(xc.layout, "gh"));
        assert_se(xc.variant == NULL);
        x11_context_clear(&xc);
}

TEST(x11_convert_to_vconsole) {
        _cleanup_(x11_context_clear) X11Context xc = {};
        _cleanup_(vc_context_clear) VCContext vc = {};

        log_info("/* test empty layout (:) */");
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        assert_se(vc_context_isempty(&vc));

        log_info("/* test without variant, new mapping (es:) */");
        assert_se(free_and_strdup(&xc.layout, "es") >= 0);
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        assert_se(streq(vc.keymap, "es"));
        vc_context_clear(&vc);

        log_info("/* test with unknown variant, new mapping (es:foobar) */");
        assert_se(free_and_strdup(&xc.variant, "foobar") >= 0);
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        assert_se(streq(vc.keymap, "es"));
        vc_context_clear(&vc);

        log_info("/* test with known variant, new mapping (es:dvorak) */");
        assert_se(free_and_strdup(&xc.variant, "dvorak") >= 0);
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        if (vc_context_isempty(&vc)) {
                log_info("Skipping rest of %s: keymaps are not installed", __func__);
                return;
        }
        assert_se(streq(vc.keymap, "es-dvorak"));
        vc_context_clear(&vc);

        log_info("/* test with old mapping (fr:latin9) */");
        assert_se(free_and_strdup(&xc.layout, "fr") >= 0);
        assert_se(free_and_strdup(&xc.variant, "latin9") >= 0);
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        assert_se(streq(vc.keymap, "fr-latin9"));
        vc_context_clear(&vc);

        log_info("/* test with a compound mapping (us,ru:) */");
        assert_se(free_and_strdup(&xc.layout, "us,ru") >= 0);
        assert_se(free_and_strdup(&xc.variant, NULL) >= 0);
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        assert_se(streq(vc.keymap, "us"));
        vc_context_clear(&vc);

        log_info("/* test with a compound mapping (ru,us:) */");
        assert_se(free_and_strdup(&xc.layout, "ru,us") >= 0);
        assert_se(free_and_strdup(&xc.variant, NULL) >= 0);
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        assert_se(streq(vc.keymap, "ru"));
        vc_context_clear(&vc);

        /* https://bugzilla.redhat.com/show_bug.cgi?id=1333998 */
        log_info("/* test with a simple new mapping (ru:) */");
        assert_se(free_and_strdup(&xc.layout, "ru") >= 0);
        assert_se(free_and_strdup(&xc.variant, NULL) >= 0);
        assert_se(x11_convert_to_vconsole(&xc, &vc) >= 0);
        assert_se(streq(vc.keymap, "ru"));
}

static int intro(void) {
        _cleanup_free_ char *map = NULL;

        assert_se(get_testdata_dir("test-keymap-util/kbd-model-map", &map) >= 0);
        assert_se(setenv("SYSTEMD_KBD_MODEL_MAP", map, 1) == 0);

        return EXIT_SUCCESS;
}

DEFINE_TEST_MAIN_WITH_INTRO(LOG_DEBUG, intro);