/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2026 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "plugin.h"

#include <cx/hash_map.h>
#include <stdlib.h>

static CxMap *plugin_widgets;


void ui_plugin_register_widget(const char *widget_class, ui_createwidget_func func) {
    if(!plugin_widgets) {
        plugin_widgets = cxHashMapCreate(NULL, CX_STORE_POINTERS, 8);
    }
    cxMapPut(plugin_widgets, widget_class, func);
}

UIWIDGET ui_widget_create(UiObject *obj, const char *widget_class, UiWidgetArgs *args, UiWidgetExtArgs ext) {
    ui_createwidget_func widget_create = NULL;
    if(plugin_widgets) {
        widget_create = (ui_createwidget_func)cxMapGet(plugin_widgets, widget_class);
    }
    if(!widget_create) {
        fprintf(stderr, "Error: no widget class %s registered\n", widget_class);
        return NULL;
    }
    
    return widget_create(obj, args, ext);
}


UiWidgetExtArgs ui_widget_ext_args_new(void) {
    CxMap *map = cxHashMapCreate(NULL, CX_STORE_POINTERS, 16);
    cxSetDestructor(map, free);
    return map;
}

void ui_widget_ext_args_put(UiWidgetExtArgs args, const char *key, const char *value) {
    cxMapPut(args, key, strdup(value));
}

char* ui_widget_ext_args_get(UiWidgetExtArgs args, const char *key) {
    if(args) {
        return cxMapGet(args, key);
    } else {
        return NULL;
    }
}

void ui_widget_ext_args_free(UiWidgetExtArgs args) {
    cxMapFree(args);
}