#include "arona_application.h"

#include "window/window_manager.h"
#include "imgui.h"
#include "widget/widgets.h"
#include "audio/plugin_host/plugin_host_manager.h"
#include "audio/plugin_host/plugin_host.h"

application* g_application = nullptr;

std::string get_window_title() {
    return "Arona";
}

void configure_imgui(ImGuiIO& io) {
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;        // Enable Keyboard Controls
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;         // Enable Gamepad Controls
    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;            // Enable Docking
    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;          // Enable Multi-Viewport / Platform Windows
    io.ConfigViewportsNoAutoMerge = true;
    // io.ConfigFlags |= ImGuiConfigFlags_DpiEnableScaleFonts;      // Enable DPI scaling
    // io.ConfigFlags |= ImGuiConfigFlags_DpiEnableScaleViewports;  // Enable DPI scaling

    // Setup Dear ImGui style
    ImGui::StyleColorsClassic();
    ImGuiStyle* style = &ImGui::GetStyle();
    // style->TabRounding = 0;
    // style->Colors[ImGuiCol_ButtonActive] = ImVec4(0.2f, 0.2f, 0.2f, 0.0f); // hide tab bar小三角使用此颜色, 如果想要隐藏, 就需要更改这个颜色
//    ImGui::StyleColorsDark();
    //ImGui::StyleColorsLight();
// get dpi scale
    float dpi_scale = 1.5f;

    // Load Fonts
    // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
    // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
    // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
    // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
    // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering.
    // - Read 'docs/FONTS.md' for more instructions and details.
    // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
    //io.Fonts->AddFontDefault();
    //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 24.0f);
    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != nullptr);
    auto font = io.Fonts->AddFontFromFileTTF("resources/GenJyuuGothic-Normal-2.ttf", 18.f * dpi_scale);
}

void draw_imgui(float delta_time) {
    // 全局dockspace
    ImGui::DockSpaceOverViewport();
    draw_instrument_track();
    draw_mixer();
    draw_selected_mixer_track_effect_list();
}

void tick_imgui(float delta_time) {
    g_application->update_application();
}

arona_application::arona_application() {
    g_application = this;
}

void arona_application::init() {
    application::init();
}

void arona_application::shutdown() {
    application::shutdown();
}

void arona_application::test() {
    const char* path = R"(F:\VST\VST64\Serum_x64.dll)";
    plugin_host* host = get_plugin_host_manager()->create_instrument_plugin_host(path);
    host->try_open_editor();
}

arona_application* get_arona_application() {
    return static_cast<arona_application*>(g_application);
}