#ifndef UI_LUA_H
#define UI_LUA_H

#include "ui.h"

// Registers the `ui` global table and input constants in the Lua state
void ui_lua_register(lua_State* L);

// Loads a script into a sandboxed environment, stores the env ref in c->script_env
VkResult ui_lua_load_container(
    lua_State* L,
    Container* c,
    UIContext* ui,
    RenderContext* gpu,
    const char* path);

// Called by the engine input path. Each returns true if the container's script
// defined the handler and it returned a truthy value (event consumed).
bool ui_lua_dispatch_button(
    UIContext* ui,
    RenderContext* gpu,
    Container* c,
    uint32_t layer,
    uint32_t element,
    float x,
    float y,
    int button,
    int action,
    int mods);

bool ui_lua_dispatch_cursor(
    UIContext* ui,
    RenderContext* gpu,
    Container* c,
    uint32_t layer,
    uint32_t element,
    float x,
    float y);

bool ui_lua_dispatch_scroll(
    UIContext* ui,
    RenderContext* gpu,
    Container* c,
    uint32_t layer,
    uint32_t element,
    double x,
    double y);

bool ui_lua_dispatch_key(
    UIContext* ui,
    RenderContext* gpu,
    Container* c,
    uint32_t layer,
    uint32_t element,
    int key,
    int action,
    int mods);

bool ui_lua_dispatch_text(
    UIContext* ui,
    RenderContext* gpu,
    Container* c,
    uint32_t layer,
    uint32_t element,
    unsigned int codepoint);

bool ui_lua_dispatch_deselect(
    UIContext* ui,
    RenderContext* gpu,
    Container* c,
    uint32_t layer,
    uint32_t element);

#endif