#include "Client.h"
#include <iostream>

using namespace std;

Client::Client() : world(&chunkProvider)
{    
    position.set(0, 0, -2);
    shader.setCamera(position.getX(), position.getY(), position.getZ(), 0, 0);
    shader.storeCamera();
    
    keyManager.map(KEY_LEFT, GLFW_KEY_A);
    keyManager.map(KEY_RIGHT, GLFW_KEY_D);
    keyManager.map(KEY_UP, GLFW_KEY_W);
    keyManager.map(KEY_DOWN, GLFW_KEY_S);
    keyManager.map(KEY_JUMP, GLFW_KEY_SPACE);
    keyManager.map(KEY_SNEAK, GLFW_KEY_LEFT_SHIFT);
    keyManager.map(KEY_CAM_LEFT, GLFW_KEY_H);
    keyManager.map(KEY_CAM_RIGHT, GLFW_KEY_K);
    keyManager.map(KEY_CAM_UP, GLFW_KEY_U);
    keyManager.map(KEY_CAM_DOWN, GLFW_KEY_J);
    
    keyManager.map(KEY_CAM_TEST, GLFW_KEY_T);
    
    mouseManager.map(MOUSE_LEFT, GLFW_MOUSE_BUTTON_1);
    
    world.registerChunkListener(&chunkRenderer);
    world.updateDirtyChunks();
}

Client::~Client()
{
}

void Client::tick()
{
    tps.update();
    
    if(keyManager.isDown(KEY_CAM_TEST))
    {
        Engine::setLineMode(true);
    }
    else
    {
        Engine::setLineMode(false);
    }
    
    shader.storeCamera();
    
    float factor = 10.0f;
    if(keyManager.isDown(KEY_LEFT))
    {
        position.addMul(shader.getLeft(), factor);
    }
    if(keyManager.isDown(KEY_RIGHT))
    {
        position.addMul(shader.getRight(), factor);
    }
    if(keyManager.isDown(KEY_UP))
    {
        position.addMul(shader.getFront(), factor);
    }
    if(keyManager.isDown(KEY_DOWN))
    {
        position.addMul(shader.getBack(), factor);
    }
    if(keyManager.isDown(KEY_JUMP))
    {
        position.addMul(shader.getUp(), factor);
    }
    if(keyManager.isDown(KEY_SNEAK))
    {
        position.addMul(shader.getDown(), factor);
    }
    
    if(keyManager.isDown(KEY_CAM_LEFT))
    {
        lengthAngle += 2;
    }
    if(keyManager.isDown(KEY_CAM_RIGHT))
    {
        lengthAngle -= 2;
    }
    if(keyManager.isDown(KEY_CAM_UP) && widthAngle < 88)
    {
        widthAngle += 2;
    }
    if(keyManager.isDown(KEY_CAM_DOWN) && widthAngle > -88)
    {
        widthAngle -= 2;
    }
    
    shader.setCamera(position.getX(), position.getY(), position.getZ(), lengthAngle, widthAngle);
    
    mouseManager.tick();
    keyManager.tick();
}

void Client::renderTick(float lag)
{
    fps.update();
    
    shader.set3DMode(lag);
    shader.setToIdentity();
    shader.updateModelMatrix();
    shader.setColorEnabled(true);
    shader.setTextureEnabled(false);
    shader.setUseBlending(false);
    shader.setNormalsEnabled(true);
    chunkRenderer.renderTick(shader, directRenderer, lag);
    
    shader.set2DMode();
    shader.setToIdentity();
    shader.updateModelMatrix();
    shader.setTextMode();
    
    string wusi;
    wusi = "FPS: " + to_string(fps.getUpdatesPerSecond());
    directRenderer.drawString(10, 10, true, wusi);
}

void Client::onKeyEvent(int key, int scancode, int action, int mods)
{
    if(action == GLFW_PRESS)
    {
        keyManager.press(key);
    }
    else if(action == GLFW_RELEASE)
    {
        keyManager.release(key);
    }
}

void Client::onMouseClick(int button, int action, int mods)
{
    if(action == GLFW_PRESS)
    {
        mouseManager.press(button);
    }
    else if(action == GLFW_RELEASE)
    {
        mouseManager.release(button);
    }
}