/*
 * SPDX-FileCopyrightText: 2013-2026 Sébastien Helleu <flashcode@flashtux.org>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

/* Completion for spell checker commands */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "../weechat-plugin.h"
#include "spell.h"


/*
 * Add spell langs (all langs, even for dictionaries not installed) to
 * completion list.
 */

int
spell_completion_langs_cb (const void *pointer, void *data,
                           const char *completion_item,
                           struct t_gui_buffer *buffer,
                           struct t_gui_completion *completion)
{
    int i;

    /* make C compiler happy */
    (void) pointer;
    (void) data;
    (void) completion_item;
    (void) buffer;

    for (i = 0; spell_langs[i].code; i++)
    {
        weechat_completion_list_add (completion,
                                     spell_langs[i].code,
                                     0, WEECHAT_LIST_POS_SORT);
    }

    return WEECHAT_RC_OK;
}

/*
 * Add a dictionary to completion when using enchant.
 */

#ifdef USE_ENCHANT
void
spell_completion_enchant_add_dict_cb (const char *lang_tag,
                                      const char *provider_name,
                                      const char *provider_desc,
                                      const char *provider_file,
                                      void *user_data)
{
    /* make C compiler happy */
    (void) provider_name;
    (void) provider_desc;
    (void) provider_file;

    weechat_completion_list_add ((struct t_gui_completion *)user_data,
                                 lang_tag, 0, WEECHAT_LIST_POS_SORT);
}
#endif /* USE_ENCHANT */

/*
 * Add spell dictionaries (only installed dictionaries) to completion list.
 */

int
spell_completion_dicts_cb (const void *pointer, void *data,
                           const char *completion_item,
                           struct t_gui_buffer *buffer,
                           struct t_gui_completion *completion)
{
#ifndef USE_ENCHANT
    struct AspellConfig *config;
    AspellDictInfoList *list;
    AspellDictInfoEnumeration *elements;
    const AspellDictInfo *dict;
#endif /* USE_ENCHANT */

    /* make C compiler happy */
    (void) pointer;
    (void) data;
    (void) completion_item;
    (void) buffer;

#ifdef USE_ENCHANT
    enchant_broker_list_dicts (spell_enchant_broker,
                               spell_completion_enchant_add_dict_cb,
                               completion);
#else
    config = new_aspell_config ();
#ifdef ASPELL_DICT_DIR
    aspell_config_replace (config, "dict-dir", ASPELL_DICT_DIR);
#endif
    list = get_aspell_dict_info_list (config);
    elements = aspell_dict_info_list_elements (list);

    while ((dict = aspell_dict_info_enumeration_next (elements)) != NULL)
    {
        weechat_completion_list_add (completion, dict->name,
                                     0, WEECHAT_LIST_POS_SORT);
    }

    weechat_completion_list_add (completion, "-",
                                 0, WEECHAT_LIST_POS_BEGINNING);

    delete_aspell_dict_info_enumeration (elements);
    delete_aspell_config (config);
#endif /* USE_ENCHANT */

    return WEECHAT_RC_OK;
}

/*
 * Hook completions.
 */

void
spell_completion_init (void)
{
    weechat_hook_completion ("spell_langs",
                             N_("list of all languages supported"),
                             &spell_completion_langs_cb, NULL, NULL);
    weechat_hook_completion ("spell_dicts",
                             N_("list of installed dictionaries"),
                             &spell_completion_dicts_cb, NULL, NULL);
}
