#include "DrawUI.hpp"
#include <render/GameRenderer.hpp>
#include <ai/PlayerController.hpp>
#include <objects/CharacterObject.hpp>
#include <engine/GameState.hpp>
#include <iomanip>

constexpr size_t ui_TextSize = 35;
constexpr size_t ui_TextHeight = 30;
constexpr size_t ui_outerMargin = 20;
constexpr size_t ui_infoMargin = 10;
constexpr size_t ui_weaponSize = 50;
const glm::vec3 ui_timeColour(196/255.f, 165/255.f, 119/255.f);
const glm::vec3 ui_moneyColour(89/255.f, 113/255.f, 147/255.f);
const glm::vec3 ui_healthColour(187/255.f, 102/255.f, 47/255.f);

void drawMap(PlayerController* player, GameWorld* world, GameRenderer* render)
{
	MapRenderer::MapInfo map;
	map.scale = 0.4f;
	
	glm::quat plyRot;
	
	if( player )
	{
		plyRot = player->getCharacter()->getRotation();
	}
	
	map.rotation = glm::roll(plyRot);
	
	const glm::ivec2& vp = render->getRenderer()->getViewport();
	
	map.mapScreenTop = glm::vec2(260.f, vp.y - 10.f);
	map.mapScreenBottom = glm::vec2(10.f, vp.y - 210.f);
	
	if( player )
	{
		map.center = glm::vec2(player->getCharacter()->getPosition());
	}
	
	render->map.draw(world, map);
}

void drawPlayerInfo(PlayerController* player, GameWorld* world, GameRenderer* render)
{
	float infoTextX = render->getRenderer()->getViewport().x -
			(ui_outerMargin + ui_weaponSize + ui_infoMargin);
	float infoTextY = 0.f + ui_outerMargin;

	TextRenderer::TextInfo ti;
	ti.font = 1;
	ti.size = ui_TextSize;
	ti.align = TextRenderer::TextInfo::Right;

	std::stringstream ss;
	ss << std::setw(2) << std::setfill('0') << world->getHour()
	   << std::setw(0) << ":"
	   << std::setw(2) << world->getMinute();

	ti.text = ss.str();
	ti.baseColour = glm::vec3(0.f, 0.f, 0.f);
	ti.screenPosition = glm::vec2(infoTextX + 1.f, infoTextY+1.f);
	render->text.renderText(ti);

	ti.baseColour = ui_timeColour;
	ti.screenPosition = glm::vec2(infoTextX, infoTextY);
	render->text.renderText(ti);

	infoTextY += ui_TextHeight;

	ti.text = "$" + std::to_string(world->state->playerInfo.money);
	ti.baseColour = glm::vec3(0.f, 0.f, 0.f);
	ti.screenPosition = glm::vec2(infoTextX + 1.f, infoTextY+1.f);
	render->text.renderText(ti);

	ti.baseColour = ui_moneyColour;
	ti.screenPosition = glm::vec2(infoTextX, infoTextY);
	render->text.renderText(ti);
}

void drawHUD(PlayerController* player, GameWorld* world, GameRenderer* render)
{
	drawMap(player, world, render);
	drawPlayerInfo(player, world, render);
}

void drawOnScreenText(GameWorld* world, GameRenderer* renderer)
{
	const glm::ivec2& vp = renderer->getRenderer()->getViewport();
	
	TextRenderer::TextInfo ti;
	ti.font = 2;
	ti.screenPosition = glm::vec2( 10.f, 10.f );
	ti.size = 20.f;
	
	for(OnscreenText& t : world->state->text)
	{
		glm::vec2 shadowOffset( 0, 0 );
		
		switch(t.osTextStyle)
		{
		default:
			ti.size = 15.f;
			ti.font = 0;
			ti.align = TextRenderer::TextInfo::Left;
			ti.baseColour = glm::vec3(1.f);
			ti.screenPosition = vp / 2;
			break;
		case OnscreenText::HighPriority:
			ti.size = 16.f;
			ti.font = 2;
			ti.baseColour = glm::vec3(1.f);
			ti.screenPosition = glm::vec2(vp.x * 0.5f, vp.y * 0.9f);
			ti.align = TextRenderer::TextInfo::Center;
			break;
		case OnscreenText::CenterBig:
			ti.size = 30.f;
			ti.font = 1;
			ti.baseColour = glm::vec3(82, 114, 128) / 255.f;
			ti.align = TextRenderer::TextInfo::Center;
			ti.screenPosition = vp / 2;
			ti.screenPosition += glm::vec2(0.f, ti.size / 2.f);
			shadowOffset = glm::vec2(2.f, 0.f);
			break;
		case OnscreenText::MissionName:
			ti.size = 30.f;
			ti.font = 1;
			ti.baseColour = glm::vec3(205, 162, 7)/255.f;
			ti.screenPosition = glm::vec2(vp.x - 10.f, vp.y * 0.79f);
			ti.align = TextRenderer::TextInfo::Right;
			shadowOffset = glm::vec2(2.f, 2.f);
			break;
		case OnscreenText::Help:
			ti.screenPosition = glm::vec2(20.f, 20.f);
			ti.font = 2;
			ti.size = 20.f;
			ti.baseColour = glm::vec3(0.9f);
			ti.align = TextRenderer::TextInfo::Left;
			break;
		}

		ti.text = t.osTextString;
		ti.varText = t.osTextVar;
		
		if( glm::length( shadowOffset  ) > 0 )
		{
			TextRenderer::TextInfo shadow( ti );
			shadow.baseColour = glm::vec3(0.f);
			shadow.screenPosition += shadowOffset;
			
			renderer->text.renderText(shadow);
		}
		
		renderer->text.renderText(ti);
	}

	for(auto& t : world->state->texts) {
		ti.font = 2;
		ti.screenPosition = t.position / glm::vec2(640, 480);
		ti.screenPosition *= vp;
		ti.baseColour = glm::vec3(t.colourFG);
		ti.size = 20.f;
		ti.text = t.text;
		
		renderer->text.renderText(ti);
	}
}