/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2006 Blender Foundation.
 * All rights reserved.
 */

/** \file
 * \ingroup cmpnodes
 */

#include "RNA_access.h"

#include "UI_interface.h"
#include "UI_resources.h"

#include "node_composite_util.hh"

namespace blender::nodes {

static void cmp_node_glare_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::Color>(N_("Image")).default_value({1.0f, 1.0f, 1.0f, 1.0f});
  b.add_output<decl::Color>(N_("Image"));
}

}  // namespace blender::nodes

static void node_composit_init_glare(bNodeTree *UNUSED(ntree), bNode *node)
{
  NodeGlare *ndg = (NodeGlare *)MEM_callocN(sizeof(NodeGlare), "node glare data");
  ndg->quality = 1;
  ndg->type = 2;
  ndg->iter = 3;
  ndg->colmod = 0.25;
  ndg->mix = 0;
  ndg->threshold = 1;
  ndg->star_45 = true;
  ndg->streaks = 4;
  ndg->angle_ofs = 0.0f;
  ndg->fade = 0.9;
  ndg->size = 8;
  node->storage = ndg;
}

static void node_composit_buts_glare(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
  uiItemR(layout, ptr, "glare_type", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE);
  uiItemR(layout, ptr, "quality", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE);

  if (RNA_enum_get(ptr, "glare_type") != 1) {
    uiItemR(layout, ptr, "iterations", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);

    if (RNA_enum_get(ptr, "glare_type") != 0) {
      uiItemR(layout,
              ptr,
              "color_modulation",
              UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER,
              nullptr,
              ICON_NONE);
    }
  }

  uiItemR(layout, ptr, "mix", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
  uiItemR(layout, ptr, "threshold", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);

  if (RNA_enum_get(ptr, "glare_type") == 2) {
    uiItemR(layout, ptr, "streaks", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
    uiItemR(layout, ptr, "angle_offset", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
  }
  if (RNA_enum_get(ptr, "glare_type") == 0 || RNA_enum_get(ptr, "glare_type") == 2) {
    uiItemR(
        layout, ptr, "fade", UI_ITEM_R_SPLIT_EMPTY_NAME | UI_ITEM_R_SLIDER, nullptr, ICON_NONE);

    if (RNA_enum_get(ptr, "glare_type") == 0) {
      uiItemR(layout, ptr, "use_rotate_45", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
    }
  }
  if (RNA_enum_get(ptr, "glare_type") == 1) {
    uiItemR(layout, ptr, "size", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
  }
}

void register_node_type_cmp_glare()
{
  static bNodeType ntype;

  cmp_node_type_base(&ntype, CMP_NODE_GLARE, "Glare", NODE_CLASS_OP_FILTER, 0);
  ntype.declare = blender::nodes::cmp_node_glare_declare;
  ntype.draw_buttons = node_composit_buts_glare;
  node_type_init(&ntype, node_composit_init_glare);
  node_type_storage(&ntype, "NodeGlare", node_free_standard_storage, node_copy_standard_storage);

  nodeRegisterType(&ntype);
}