#include <raylib.h>
#include <rlcimgui.h>
#include <imgui_impl_raylib.h>
#include <slibs/slibs.h>
#include <rlgl.h>

#include "viewport.h"

typedef struct game_object_t {
    char name[128];
    char* uuid;
} game_object;

const char* gl_versions[7] = {
    "UNKNOWN",
    "1.1",
    "2.1",
    "3.3",
    "4.3",
    "ES 2.0",
    "ES 3.0"
};

Camera camera;

char* gen_uuid() {
    char v[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
    //3fb17ebc-bc38-4939-bc8b-74f2443281d4
    //8 dash 4 dash 4 dash 4 dash 12
    static char buf[37] = {0};

    //gen random for all spaces because lazy
    for(int i = 0; i < 36; ++i) {
        buf[i] = v[rand()%16];
    }

    //put dashes in place
    buf[8] = '-';
    buf[13] = '-';
    buf[18] = '-';
    buf[23] = '-';

    //needs end byte
    buf[36] = '\0';

    return buf;
}

int main() {
    SetConfigFlags(FLAG_WINDOW_RESIZABLE);
    InitWindow(800, 600, "gear");
    InitViewport();

    rligSetup(true);
    ImGuiIO *ioptr = igGetIO();
    ioptr->ConfigFlags |= ImGuiConfigFlags_DockingEnable;

    camera = (Camera){ 0 };
    camera.position = (Vector3) { 10.0f, 10.0f, 10.0f };
    camera.target = (Vector3) { 0.0f, 0.0f, 0.0f };
    camera.up = (Vector3) { 0.0f, 1.0f, 0.0f };
    camera.fovy = 70.0f;
    camera.projection = CAMERA_PERSPECTIVE;

    //SetTargetFPS(60);
    
    ImGuiStyle* style = igGetStyle();
    ImVec4* colors = style->Colors;
    colors[ImGuiCol_Text] = (ImVec4){1.00f, 1.00f, 1.00f, 1.00f};
    colors[ImGuiCol_TextDisabled] = (ImVec4){0.50f, 0.50f, 0.50f, 1.00f};
    colors[ImGuiCol_WindowBg] = (ImVec4){0.29f, 0.34f, 0.26f, 1.00f};
    colors[ImGuiCol_ChildBg] = (ImVec4){0.29f, 0.34f, 0.26f, 1.00f};
    colors[ImGuiCol_PopupBg] = (ImVec4){0.24f, 0.27f, 0.20f, 1.00f};
    colors[ImGuiCol_Border] = (ImVec4){0.54f, 0.57f, 0.51f, 0.50f};
    colors[ImGuiCol_BorderShadow] = (ImVec4){0.14f, 0.16f, 0.11f, 0.52f};
    colors[ImGuiCol_FrameBg] = (ImVec4){0.24f, 0.27f, 0.20f, 1.00f};
    colors[ImGuiCol_FrameBgHovered] = (ImVec4){0.27f, 0.30f, 0.23f, 1.00f};
    colors[ImGuiCol_FrameBgActive] = (ImVec4){0.30f, 0.34f, 0.26f, 1.00f};
    colors[ImGuiCol_TitleBg] = (ImVec4){0.24f, 0.27f, 0.20f, 1.00f};
    colors[ImGuiCol_TitleBgActive] = (ImVec4){0.29f, 0.34f, 0.26f, 1.00f};
    colors[ImGuiCol_TitleBgCollapsed] = (ImVec4){0.00f, 0.00f, 0.00f, 0.51f};
    colors[ImGuiCol_MenuBarBg] = (ImVec4){0.24f, 0.27f, 0.20f, 1.00f};
    colors[ImGuiCol_ScrollbarBg] = (ImVec4){0.35f, 0.42f, 0.31f, 1.00f};
    colors[ImGuiCol_ScrollbarGrab] = (ImVec4){0.28f, 0.32f, 0.24f, 1.00f};
    colors[ImGuiCol_ScrollbarGrabHovered] = (ImVec4){0.25f, 0.30f, 0.22f, 1.00f};
    colors[ImGuiCol_ScrollbarGrabActive] = (ImVec4){0.23f, 0.27f, 0.21f, 1.00f};
    colors[ImGuiCol_CheckMark] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_SliderGrab] = (ImVec4){0.35f, 0.42f, 0.31f, 1.00f};
    colors[ImGuiCol_SliderGrabActive] = (ImVec4){0.54f, 0.57f, 0.51f, 0.50f};
    colors[ImGuiCol_Button] = (ImVec4){0.29f, 0.34f, 0.26f, 0.40f};
    colors[ImGuiCol_ButtonHovered] = (ImVec4){0.35f, 0.42f, 0.31f, 1.00f};
    colors[ImGuiCol_ButtonActive] = (ImVec4){0.54f, 0.57f, 0.51f, 0.50f};
    colors[ImGuiCol_Header] = (ImVec4){0.35f, 0.42f, 0.31f, 1.00f};
    colors[ImGuiCol_HeaderHovered] = (ImVec4){0.35f, 0.42f, 0.31f, 0.6f};
    colors[ImGuiCol_HeaderActive] = (ImVec4){0.54f, 0.57f, 0.51f, 0.50f};
    colors[ImGuiCol_Separator] = (ImVec4){0.14f, 0.16f, 0.11f, 1.00f};
    colors[ImGuiCol_SeparatorHovered] = (ImVec4){0.54f, 0.57f, 0.51f, 1.00f};
    colors[ImGuiCol_SeparatorActive] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_ResizeGrip] = (ImVec4){0.19f, 0.23f, 0.18f, 0.00f}; // grip invis
    colors[ImGuiCol_ResizeGripHovered] = (ImVec4){0.54f, 0.57f, 0.51f, 1.00f};
    colors[ImGuiCol_ResizeGripActive] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_Tab] = (ImVec4){0.35f, 0.42f, 0.31f, 1.00f};
    colors[ImGuiCol_TabHovered] = (ImVec4){0.54f, 0.57f, 0.51f, 0.78f};
    colors[ImGuiCol_TabActive] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_TabUnfocused] = (ImVec4){0.24f, 0.27f, 0.20f, 1.00f};
    colors[ImGuiCol_TabUnfocusedActive] = (ImVec4){0.35f, 0.42f, 0.31f, 1.00f};
    colors[ImGuiCol_DockingPreview] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_DockingEmptyBg] = (ImVec4){0.20f, 0.20f, 0.20f, 1.00f};
    colors[ImGuiCol_PlotLines] = (ImVec4){0.61f, 0.61f, 0.61f, 1.00f};
    colors[ImGuiCol_PlotLinesHovered] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_PlotHistogram] = (ImVec4){1.00f, 0.78f, 0.28f, 1.00f};
    colors[ImGuiCol_PlotHistogramHovered] = (ImVec4){1.00f, 0.60f, 0.00f, 1.00f};
    colors[ImGuiCol_TextSelectedBg] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_DragDropTarget] = (ImVec4){0.73f, 0.67f, 0.24f, 1.00f};
    colors[ImGuiCol_NavHighlight] = (ImVec4){0.59f, 0.54f, 0.18f, 1.00f};
    colors[ImGuiCol_NavWindowingHighlight] = (ImVec4){1.00f, 1.00f, 1.00f, 0.70f};
    colors[ImGuiCol_NavWindowingDimBg] = (ImVec4){0.80f, 0.80f, 0.80f, 0.20f};
    colors[ImGuiCol_ModalWindowDimBg] = (ImVec4){0.80f, 0.80f, 0.80f, 0.35f};
 
    style->FrameBorderSize = 1.0f;
    style->WindowRounding = 0.0f;
    style->ChildRounding = 0.0f;
    style->FrameRounding = 0.0f;
    style->PopupRounding = 0.0f;
    style->ScrollbarRounding = 0.0f;
    style->GrabRounding = 0.0f;
    style->TabRounding = 0.0f;

    bool show_demo = false;
    bool show_debug = true;

    sl_vec(game_object*) game_objects = { 0 };
    for(int i = 0; i < 10000; i++) {
        game_object* obj = calloc(sizeof(game_object), 1);
        snprintf(obj->name, 128, "bob %d", i);
        obj->uuid = gen_uuid();

        sl_vec_push(game_objects, obj);
    }
    //sl_vec_push(game_objects, (game_object){"john"});

    game_object* selected = NULL;

    while(!WindowShouldClose()) {
        UpdateViewport();

        BeginDrawing();
        {
            ClearBackground(BLACK); 

            BeginViewport();
            {
                ClearBackground(BLACK);
                BeginMode3D(camera);
                {
                    DrawCube((Vector3){0.0f, 0.0f, 0.0f}, 5.0f, 5.0f, 5.0f, RED);
                    DrawGrid(10, 10);
                }
                EndMode3D();

                DrawFPS(10, 10);
                //DrawText(TextFormat(

                /*int y = 50;
                for(sl_vec_it(obj, game_objects)) {
                    DrawText(obj->name, 10, y, 20, WHITE);
                    y += 20;
                }*/
            }
            EndViewport();

            rligBegin();
            {
                if(igBeginMainMenuBar()) {
                    if(igBeginMenu("File", true)) {
                        if(igMenuItem_Bool("Quit", "ESC", false, true)) {
                            CloseWindow();
                        }
                        igEndMenu();
                    }

                    if(igBeginMenu("Debug", true)) {
                        igCheckbox("Show demo window", &show_demo);
                        igEndMenu();
                    }

                    igEndMainMenuBar();
                }

                igDockSpaceOverViewport(NULL, 0, NULL);
                
                if(show_demo)
                    igShowDemoWindow(&show_demo);
                
                RenderViewport();

                igBegin("Game Objects", NULL, 0);
                {
                    for(sl_vec_it(obj_ptr, game_objects)) {
                        game_object* obj = *obj_ptr;
                        igPushID_Str(obj->uuid);
                        if(igSelectable_Bool(obj->name, selected == obj, 0, (ImVec2){0, 0}))
                            selected = obj;
                        igPopID();
                    }
                }
                igEnd();
 
                igBegin("Properties", NULL, 0);
                {
                    if(selected != NULL) {
                        igInputText("##name", selected->name, 128, 0, NULL, NULL);
                    }
                }
                igEnd();

                if(show_debug) {
                    igBegin("Debug", &show_debug, 0);
                    {
                        igText("raylib %s", RAYLIB_VERSION);
                        igText("OpenGL %s", gl_versions[rlGetVersion()]);
                        igText("FPS: %d", GetFPS());
                        igText("Frame time: %f", GetFrameTime());
                        igText("Cursor hidden: %d", IsCursorHidden());

                        igText("\nResolutions");
                        igText("Window: %dx%d", GetScreenWidth(), GetScreenHeight());
                        for(int i = 0; i < GetMonitorCount(); i++) {
                            igText("%s: %dx%d@%d", GetMonitorName(i), GetMonitorWidth(i),
                                    GetMonitorHeight(i), GetMonitorRefreshRate(i));
                        }
                    }
                    igEnd();
                }
            }
            rligEnd();
        }
        EndDrawing();
    }

    rligShutdown();
    CloseWindow();
}