#include "../sdlpp/sdlpp.hpp"
#include "sprites.hpp"
#ifdef _WIN32
#include "../sdlpp/SDL2/SDL2_framerate.h"
#include <ctime>
#include <string>
#include <windows.h>
#else
#include <SDL2/SDL2_framerate.h>
#endif // UNIX

#include <thread>
#include "global_vars.hpp"
#include "objectids.hpp"
#include "blocks.hpp"
#include "maploader.hpp"

std::shared_ptr< SDLPP::Renderer > renderer = nullptr;
bool quit = false;
std::vector<std::array<std::pair<uint8_t, uint16_t>,16>> objects = {};

void handleKeyDown( SDL_Keycode key, SDLPP::Scene &scene ) {
    switch ( key ) {
    case SDLK_ESCAPE:
        quit = true;
        break;
    case SDLK_a:
        break;
    case SDLK_d:
        break;
    case SDLK_SPACE:
    case SDLK_w:
        break;
    case SDLK_s:
        break;
    case SDLK_r:
        scene.getRenderer().setRenderColiders(
            !scene.getRenderer().getRenderColiders() );
    default:
        break;
    }
}

void handleKeyUp( SDL_Keycode key ) {
    switch ( key ) {
    case SDLK_a:
        break;
    case SDLK_d:
        break;
    case SDLK_w:
    case SDLK_s:
    default:
        break;
    }
}

void pollEvents( SDLPP::Scene &scene ) {
    SDL_Event event;
    while ( SDLPP::getSDLEvent( event ) ) {
        switch ( event.type ) {
        case SDL_QUIT:
            quit = true;
            break;
        case SDL_KEYDOWN:
            if ( !event.key.repeat )
                handleKeyDown( event.key.keysym.sym, scene );
            break;
        case SDL_KEYUP:
            handleKeyUp( event.key.keysym.sym );
            break;
        case SDL_WINDOWEVENT:
            if ( event.window.event == SDL_WINDOWEVENT_RESIZED ) {
                scene.updateSizeAndPosition();
            }
        default:
            break;
        }
    }
}

void doInput( std::shared_ptr< SDLPP::Scene > scene ) {
    FPSmanager gFPS;
    SDL_initFramerate( &gFPS );
    SDL_setFramerate( &gFPS, 200 );
    while ( true ) {
        SDL_framerateDelay( &gFPS );
        pollEvents( *scene );
        scene->updateScene();
    }
}

#ifdef _WIN32
int WINAPI wWinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
                     PWSTR szCmdLine, int nCmdShow ) {
#else
int main() {
#endif
    SDLPP::init();
    SDLPP::Window w( "Mario clone!" );
    w.setResizable( true );
    BLOCK_SIZE = 1.0 / 20;

    renderer = std::make_shared< SDLPP::Renderer >( w );
    renderer->setBlendMode( SDL_BLENDMODE_BLEND );

    // prepare global vars
    g_terrain_texture = std::make_shared< SDLPP::Texture >(
        renderer, "sprites/terrain.png", MARIO_OVERWORLD_COLORKEY );

    auto scene = std::make_shared< SDLPP::Scene >( renderer );
    auto bg = std::make_shared< SDLPP::RectangleRender >(
        0, 0, 10, 10, renderer, MARIO_OVERWORLD_COLORKEY, true );
    bg->setStatic();
    bg->setId( 1 );
    scene->addObject( bg );

    loadMap( scene, "test_binary.bin", renderer, objects );

    // grid
    for ( int i = 1; i < 20; i++ ) {
        auto line_vertical = std::make_shared< SDLPP::LineRenderer >(
            i * BLOCK_SIZE, 1 - 16 * BLOCK_SIZE, i * BLOCK_SIZE, 1.0, renderer, "#282828" );
        line_vertical->setStatic();
        line_vertical->setAlignment( SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER );
        scene->addObject(line_vertical);
        if(i > 2) {
            auto line_horizontal = std::make_shared< SDLPP::LineRenderer >(
                BLOCK_SIZE, ( i + 1 ) * BLOCK_SIZE, 19 * BLOCK_SIZE,
                ( i + 1 ) * BLOCK_SIZE, renderer, "#282828" );
            line_horizontal->setStatic();
            line_horizontal->setAlignment( SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER );
            scene->addObject(line_horizontal);
        }
    }
    // white rectangles
    auto rectangle1 = std::make_shared< SDLPP::RectangleRender >(
            0, 4 * BLOCK_SIZE, BLOCK_SIZE, 16 * BLOCK_SIZE, renderer, "#FFFFFF88", true);
    rectangle1->setAlignment(SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER);
    rectangle1->setId(1);
    rectangle1->addCollision(SDLPP::RectColider(0, 0, 1, 1));
    scene->addObject(rectangle1);
    // white rectangles
    auto rectangle2 = std::make_shared< SDLPP::RectangleRender >(
            19*BLOCK_SIZE, 4 * BLOCK_SIZE, 20*BLOCK_SIZE, 16 * BLOCK_SIZE, renderer, "#FFFFFF88", true);
    rectangle2->setAlignment(SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER);
    rectangle2->setId(1);
    rectangle2->addCollision(SDLPP::RectColider(0, 0, 1, 1));
    scene->addObject(rectangle2);


    FPSmanager gFPS;
    SDL_initFramerate( &gFPS );
    SDL_setFramerate( &gFPS, 60 );

    auto base = SDL_GetTicks();
    int frames = 0;
    std::thread inputThread( doInput, scene );
    inputThread.detach();
    while ( !quit ) {
        SDL_PumpEvents();
        SDL_framerateDelay( &gFPS );
        scene->renderScene();
        renderer->presentRenderer();
        frames++;
        if ( SDL_GetTicks() - base >= 1000 ) {
            std::cout << "FPS: " << frames << std::endl;
            frames = 0;
            base = SDL_GetTicks();
        }
    }
//    saveMap("test_binary.bin", objects);

    return 0;
}