package main

import (
	"git.solsynth.dev/highland/codingland/pkg/internal/common"
	"git.solsynth.dev/highland/codingland/pkg/internal/entities"
	"log"
	"runtime"

	"github.com/veandco/go-sdl2/sdl"
)

const (
	windowWidth  = 640
	windowHeight = 480
	playerSize   = 50
)

func init() {
	runtime.LockOSThread()
}

func main() {
	if err := sdl.Init(sdl.INIT_EVERYTHING); err != nil {
		log.Fatalf("Failed to initialize SDL: %s", err)
	}
	defer sdl.Quit()

	window, err := sdl.CreateWindow("CodingLand", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, windowWidth, windowHeight, sdl.WINDOW_SHOWN)
	if err != nil {
		log.Fatalf("Failed to create window: %s", err)
	}
	defer window.Destroy()

	renderer, err := sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED|sdl.RENDERER_PRESENTVSYNC)
	if err != nil {
		log.Fatalf("Failed to create renderer: %s", err)
	}
	defer renderer.Destroy()

	player := &entities.Player{
		Position: common.Vector2D{X: windowWidth / 2, Y: windowHeight / 2},
		Size:     common.Vector2D{X: playerSize, Y: playerSize},
	}

	running := true
	for running {
		for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
			switch event.(type) {
			case *sdl.QuitEvent:
				running = false
			}
		}

		keys := sdl.GetKeyboardState()
		if keys[sdl.SCANCODE_UP] == 1 || keys[sdl.SCANCODE_W] == 1 {
			player.Move(0, -1)
		}
		if keys[sdl.SCANCODE_DOWN] == 1 || keys[sdl.SCANCODE_S] == 1 {
			player.Move(0, 1)
		}
		if keys[sdl.SCANCODE_LEFT] == 1 || keys[sdl.SCANCODE_A] == 1 {
			player.Move(-1, 0)
		}
		if keys[sdl.SCANCODE_RIGHT] == 1 || keys[sdl.SCANCODE_D] == 1 {
			player.Move(1, 0)
		}

		player.Move(0, 0)

		renderer.SetDrawColor(0, 0, 0, 255)
		renderer.Clear()

		player.Draw(renderer)

		renderer.Present()
	}
}