package time

import java.time.LocalTime
import org.openrndr.application
import org.openrndr.color.*
import org.openrndr.draw.*
import org.openrndr.math.*
import phenax.utils.*

fun main() = application {
  recordDuration(20.seconds())

  if (captureEnabled) {
    configure {
      width = 1920
      height = 1080
      windowResizable = false
    }
  } else {
    configure {
      width = 640
      height = 360
      windowResizable = false
    }
  }

  oliveProgram {
    val enableAntialiasing = captureEnabled
    val charSize = 200.0
    val font = program.loadFont("data/fonts/default.otf", charSize)
    val cs by liveComputeShader("time")

    val scale = if (enableAntialiasing) 2 else 1
    val computeShaderBuffer = colorBuffer(scale * width, scale * height, type = ColorType.UINT8)

    val characters = 0..9
    val textTarget =
            renderTarget(charSize.toInt() * characters.count(), charSize.toInt()) {
              colorBuffer(type = ColorType.UINT8)
            }

    extend {
      drawer.isolatedWithTarget(textTarget) {
        drawer.clear(ColorRGBa.TRANSPARENT)
        drawer.ortho(textTarget)
        drawer.fontMap = font
        drawer.fill = ColorRGBa.WHITE
        for (char in characters) {
          drawer.text(char.toString(), Vector2(char * charSize.toDouble(), charSize / 2.0 + 5))
        }
      }

      val textBuffer = textTarget.colorBuffer(0)

      cs.image("text_texture", 2, textBuffer.imageBinding(0, ImageAccess.READ))

      val time = LocalTime.now()
      if (recordingEnabled) {
        cs.uniform("hours", 10.0)
        cs.uniform("minutes", 10.0 + seconds / 60.0)
      } else {
        cs.uniform("hours", time.getHour().toFloat())
        cs.uniform("minutes", time.getMinute().toFloat())
      }

      cs.uniform("time", seconds)
      cs.image("output_image", 0, computeShaderBuffer.imageBinding(0, ImageAccess.WRITE))
      cs.execute(computeShaderBuffer.width, computeShaderBuffer.height, 1)
      drawer.image(computeShaderBuffer, 0.0, 0.0, width.toDouble(), height.toDouble())
    }
  }
}