package net.lacolaco.smileessence.view

import android.content.Context
import android.content.res.TypedArray
import android.graphics.Canvas
import android.graphics.Paint
import android.util.AttributeSet
import android.widget.RelativeLayout
import net.lacolaco.smileessence.R


class ColoredRelativeLayout @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0, defStyleRes: Int = 0) : RelativeLayout(context, attrs, defStyleAttr, defStyleRes) {
    private val paint = Paint()
    private val highlightColors = IntArray(4)
    private var showAccent = false

    init {

        setWillNotDraw(false)

        val ta = context.obtainStyledAttributes(attrs, R.styleable.ColoredRelativeLayout)
        highlightColors[0] = ta.getColor(R.styleable.ColoredRelativeLayout_highlight_none, R.color.black)
        highlightColors[1] = ta.getColor(R.styleable.ColoredRelativeLayout_highlight_type1, R.color.orange)
        highlightColors[2] = ta.getColor(R.styleable.ColoredRelativeLayout_highlight_type2, R.color.green)
        highlightColors[3] = ta.getColor(R.styleable.ColoredRelativeLayout_highlight_type3, R.color.metro_blue)
        setHighlight(HIGHLIGHT_NONE)
        paint.color = ta.getColor(R.styleable.ColoredRelativeLayout_accent_color, R.color.red)
        paint.style = Paint.Style.STROKE
        paint.strokeWidth = 3f
        ta.recycle()
    }

    override fun onDraw(canvas: Canvas) {
        super.onDraw(canvas)
        if (showAccent)
            canvas.drawLine(1f, 0f, 1f, measuredHeight.toFloat(), paint)
    }

    fun setAccentVisibility(yes: Boolean) {
        showAccent = yes
    }

    fun setHighlight(type: Int) {
        setBackgroundColor(highlightColors[type])
    }

    companion object {
        val HIGHLIGHT_NONE = 0
    }
}