package es.usj.svit.graphics

import java.awt.Color
import java.awt.Dimension
import java.awt.Font
import java.awt.Graphics

import javax.swing.JPanel

class HullComponent : JPanel() {

    private val hulls = mutableMapOf<Int, Int>()
    private val allSteps = mutableListOf<Int>()

    private val hWidth = 40
    private val hHeight = 30
    private val hPositionX = 60
    private val hPositionY = height / 2 + hHeight / 2

    fun add(position: Int, steps: Int) {
        hulls[position] = steps
        allSteps.add(steps)
        repaint()
    }

    override fun paintComponent(g: Graphics) {
        super.paintComponent(g)

        var i = 0
        for (hull in hulls) {
            g.color = Color(
                255 * hull.value / allSteps.max(),
                0,
                (255 * (allSteps.max() - hull.value)) / allSteps.max()
            )
            g.fillRect(if (i == 0) 8 else hPositionX * i + 8, hPositionY, hWidth, hHeight)

            g.color = Color.BLACK
            g.drawRect(if (i == 0) 8 else hPositionX * i + 8, hPositionY, hWidth, hHeight)

            g.color = Color.WHITE
            g.font = g.font.deriveFont(Font.BOLD)
            g.drawString("H${hull.key}", (if (i == 0) 8 else hPositionX * i + 8) + hWidth / 4, hPositionY + hWidth / 2)

            g.color = Color.BLACK
            g.font = g.font.deriveFont(Font.PLAIN)
            g.drawString("(v. %4d)".format(hull.value), hPositionX * i + hWidth / 8, hPositionY + hWidth + 4)

            ++i
        }
    }

    override fun getPreferredSize(): Dimension {
        return Dimension(700, hPositionY + hHeight + 8 * 3)
    }

}