/*
 * Copyright © 2012 Ran Benita <ran234@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>

#include "xkbcommon/xkbcommon.h"
#include "rules.h"

struct test_data {
    /* Rules file */
    const char *rules;

    /* Input */
    const char *model;
    const char *layout;
    const char *variant;
    const char *options;

    /* Expected output */
    const char *keymap;
    const char *keycodes;
    const char *types;
    const char *compat;
    const char *symbols;

    /* Or set this if xkb_components_from_rules() should fail. */
    bool should_fail;
};

static inline bool
streq(const char *s1, const char *s2)
{
    if (s1 == NULL || s2 == NULL)
        return s1 == s2;
    return strcmp(s1, s2) == 0;
}

static bool
test_rules(struct xkb_context *ctx, struct test_data *data)
{
    bool passed;
    const struct xkb_rule_names rmlvo = {
        data->rules, data->model, data->layout, data->variant, data->options
    };
    struct xkb_component_names *kccgst;

    fprintf(stderr, "\n\nChecking : %s\t%s\t%s\t%s\t%s\n", data->rules,
            data->model, data->layout, data->variant, data->options);

    if (data->should_fail)
        fprintf(stderr, "Expecting: NULL\n");
    else
        fprintf(stderr, "Expecting: %s\t%s\t%s\t%s\t%s\n", data->keymap,
                data->keycodes, data->types, data->compat, data->symbols);

    kccgst = xkb_components_from_rules(ctx, &rmlvo);
    if (!kccgst) {
        fprintf(stderr, "Received: NULL\n");
        return data->should_fail;
    }

    fprintf(stderr, "Received : %s\t%s\t%s\t%s\t%s\n", kccgst->keymap,
            kccgst->keycodes, kccgst->types, kccgst->compat, kccgst->symbols);

    passed = streq(kccgst->keymap, data->keymap) &&
             streq(kccgst->keycodes, data->keycodes) &&
             streq(kccgst->types, data->types) &&
             streq(kccgst->compat, data->compat) &&
             streq(kccgst->symbols, data->symbols);

    free(kccgst->keymap);
    free(kccgst->keycodes);
    free(kccgst->types);
    free(kccgst->compat);
    free(kccgst->symbols);
    free(kccgst);

    return passed;
}

int
main(void)
{
    struct xkb_context *ctx;
    const char *srcdir = getenv("srcdir");
    char *path;

    ctx = xkb_context_new(XKB_CONTEXT_NO_DEFAULT_INCLUDES);
    assert(ctx);

    assert(asprintf(&path, "%s/test/data", srcdir ? srcdir : ".") > 0);
    assert(xkb_context_include_path_append(ctx, path));
    free(path);

    struct test_data test1 = {
        .rules = "simple",

        .model = "my_model", .layout = "my_layout", .variant = "my_variant",
        .options = "my_option",

        .keycodes = "my_keycodes", .types = "my_types",
        .compat = "my_compat+some:compat",
        .symbols = "my_symbols+extra_variant",
    };
    assert(test_rules(ctx, &test1));

    struct test_data test2 = {
        .rules = "simple",

        .model = "", .layout = "", .variant = "", .options = "",

        .keycodes = "default_keycodes", .types = "default_types",
        .compat = "default_compat", .symbols = "default_symbols",
    };
    assert(test_rules(ctx, &test2));

    struct test_data test3 = {
        .rules = "groups",

        .model = "pc104", .layout = "foo", .variant = "", .options = "",

        .keycodes = "something(pc104)", .types = "default_types",
        .compat = "default_compat", .symbols = "default_symbols",
    };
    assert(test_rules(ctx, &test3));

    struct test_data test4 = {
        .rules = "groups",

        .model = "foo", .layout = "ar", .variant = "bar", .options = "",

        .keycodes = "default_keycodes", .types = "default_types",
        .compat = "default_compat", .symbols = "my_symbols+(bar)",
    };
    assert(test_rules(ctx, &test4));

    struct test_data test5 = {
        .rules = "simple",

        .model = NULL, .layout = "my_layout,second_layout", .variant = "my_variant",
        .options = "my_option",

        .should_fail = true
    };
    assert(test_rules(ctx, &test5));

    struct test_data test6 = {
        .rules = "index",

        .model = "", .layout = "br,al,cn,az", .variant = "",
        .options = "some:opt",

        .keycodes = "default_keycodes", .types = "default_types",
        .compat = "default_compat",
        .symbols = "default_symbols+extra:1+extra:2+extra:3+extra:4",
    };
    assert(test_rules(ctx, &test6));

    xkb_context_unref(ctx);
    return 0;
}