#pragma once

#include "app_core/app_dialog.h"
#include "foundation/result.h"
#include "node.h"
#include "shader.h"

#include <functional>
#include <memory>

class App;
class NodeInputBox;
class NodeMessageBox;
class NodePopupMenu;
class NodeProgressBar;

namespace pp::panopainter {

inline void configure_legacy_slider_color_shader(const glm::mat4& mvp) noexcept
{
    ShaderManager::use(kShader::Color);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
    ShaderManager::u_vec4(kShaderUniform::Col, { 0, 0, 0, 1 });
}

inline void configure_legacy_slider_hue_shader(const glm::mat4& mvp, int direction) noexcept
{
    ShaderManager::use(kShader::ColorHue);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
    ShaderManager::u_int(kShaderUniform::Direction, direction);
}

inline void configure_legacy_ui_color_shader(
    const glm::mat4& mvp,
    const glm::vec4& color) noexcept
{
    ShaderManager::use(kShader::Color);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
    ShaderManager::u_vec4(kShaderUniform::Col, color);
}

inline void configure_legacy_ui_color_shader(
    const glm::mat4& mvp) noexcept
{
    configure_legacy_ui_color_shader(mvp, { 0, 0, 0, 1 });
}

inline void configure_legacy_grid_lambert_shader(
    const glm::mat4& mvp,
    const glm::vec3& light_dir,
    float ambient) noexcept
{
    ShaderManager::use(kShader::Lambert);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
    ShaderManager::u_vec3(kShaderUniform::LightDir, light_dir);
    ShaderManager::u_float(kShaderUniform::Ambient, ambient);
}

inline void configure_legacy_grid_lambert_lightmap_shader(
    const glm::mat4& mvp,
    const glm::vec3& light_dir,
    float ambient,
    int texture_slot) noexcept
{
    ShaderManager::use(kShader::LambertLightmap);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
    ShaderManager::u_vec3(kShaderUniform::LightDir, light_dir);
    ShaderManager::u_float(kShaderUniform::Ambient, ambient);
    ShaderManager::u_int(kShaderUniform::Tex, texture_slot);
}

inline void configure_legacy_grid_bake_uv_shader(
    const glm::mat4& mvp) noexcept
{
    ShaderManager::use(kShader::BakeUV);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
}

inline void configure_legacy_ui_color_quad_shader(
    const glm::mat4& mvp,
    const glm::vec4& color) noexcept
{
    ShaderManager::use(kShader::ColorQuad);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
    ShaderManager::u_vec4(kShaderUniform::Col, color);
}

inline void configure_legacy_ui_font_shader(
    const glm::mat4& mvp,
    const glm::vec4& color) noexcept
{
    ShaderManager::use(kShader::Font);
    ShaderManager::u_int(kShaderUniform::Tex, 0);
    ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
    ShaderManager::u_vec4(kShaderUniform::Col, color);
}

void initialize_legacy_overlay_node(App& app, Node& node);

void destroy_legacy_node(Node& node);
void detach_legacy_node_from_parent(Node& node);
void close_legacy_dialog_node(Node& node);
void release_legacy_mouse_capture(Node& node) noexcept;
void configure_legacy_popup_overlay(Node& node) noexcept;
void activate_legacy_popup_overlay(Node& node) noexcept;
void close_legacy_popup_overlay(Node& node) noexcept;
void close_legacy_dialog_and_hide_keyboard(App& app, Node& node);
void close_legacy_popup_panel(
    Node& node,
    const std::function<void(Node*)>& on_close);

[[nodiscard]] pp::foundation::Status attach_legacy_overlay_node(
    App& app,
    const std::shared_ptr<Node>& node) noexcept;

[[nodiscard]] pp::foundation::Status attach_legacy_overlay_node_to_root(
    Node& anchor,
    const std::shared_ptr<Node>& node) noexcept;

[[nodiscard]] pp::foundation::Result<std::shared_ptr<NodePopupMenu>> add_legacy_popup_menu(
    App& app,
    const char* template_id,
    float x,
    float y,
    float rtl_anchor_width) noexcept;

[[nodiscard]] std::shared_ptr<NodeProgressBar> create_legacy_progress_dialog_overlay(
    App& app,
    const pp::app::AppProgressDialogPlan& plan);

[[nodiscard]] std::shared_ptr<NodeMessageBox> create_legacy_message_dialog_overlay(
    App& app,
    const pp::app::AppMessageDialogPlan& plan);

[[nodiscard]] std::shared_ptr<NodeInputBox> create_legacy_input_dialog_overlay(
    App& app,
    const pp::app::AppInputDialogPlan& plan);

template <class T>
std::shared_ptr<T> make_legacy_overlay_node(App& app)
{
    auto node = std::make_shared<T>();
    initialize_legacy_overlay_node(app, *node);
    return node;
}

template <class T>
std::shared_ptr<T> make_legacy_overlay_node_for_anchor(Node& anchor)
{
    auto node = std::make_shared<T>();
    node->set_manager(anchor.m_manager);
    node->init();
    node->create();
    node->loaded();
    return node;
}

template <class T>
std::shared_ptr<T> add_legacy_overlay_node(App& app)
{
    auto node = make_legacy_overlay_node<T>(app);
    (void)attach_legacy_overlay_node(app, node);
    return node;
}

template <class PopupT>
void bind_legacy_popup_close_destroys_overlay(
    PopupT& popup,
    const std::shared_ptr<Node>& overlay) noexcept
{
    popup.on_popup_close = [overlay](Node*) {
        if (overlay) {
            destroy_legacy_node(*overlay);
        }
    };
}

template <class ButtonT>
void bind_legacy_click_destroys_node(ButtonT& button, Node& target) noexcept
{
    button.on_click = [&target](Node*) {
        close_legacy_dialog_node(target);
    };
}

inline std::function<void(Node*)> legacy_destroy_node_callback(Node& target)
{
    return [&target](Node*) {
        close_legacy_dialog_node(target);
    };
}

} // namespace pp::panopainter