session-android/app/src/main/java/org/thoughtcrime/securesms/util/ViewUtilities.kt

package org.thoughtcrime.securesms.util

import android.animation.Animator
import android.animation.AnimatorListenerAdapter
import android.animation.FloatEvaluator
import android.animation.ValueAnimator
import android.content.Context
import android.graphics.Bitmap
import android.graphics.PointF
import android.graphics.Rect
import android.util.Size
import android.view.View
import androidx.annotation.ColorInt
import androidx.annotation.DimenRes
import network.loki.messenger.R
import org.session.libsession.utilities.getColorFromAttr
import android.view.inputmethod.InputMethodManager
import androidx.core.graphics.applyCanvas
import kotlin.math.roundToInt

fun View.contains(point: PointF): Boolean {
    return hitRect.contains(point.x.toInt(), point.y.toInt())
}

val View.hitRect: Rect
    get()  {
        val rect = Rect()
        getHitRect(rect)
        return rect
    }

@ColorInt
fun Context.getAccentColor() = getColorFromAttr(R.attr.colorAccent)

fun View.animateSizeChange(@DimenRes startSizeID: Int, @DimenRes endSizeID: Int, animationDuration: Long = 250) {
    val startSize = resources.getDimension(startSizeID)
    val endSize = resources.getDimension(endSizeID)
    animateSizeChange(startSize, endSize)
}

fun View.animateSizeChange(startSize: Float, endSize: Float, animationDuration: Long = 250) {
    val layoutParams = this.layoutParams
    val animation = ValueAnimator.ofObject(FloatEvaluator(), startSize, endSize)
    animation.duration = animationDuration
    animation.addUpdateListener { animator ->
        val size = animator.animatedValue as Float
        layoutParams.width = size.toInt()
        layoutParams.height = size.toInt()
        this.layoutParams = layoutParams
    }
    animation.start()
}

fun View.fadeIn(duration: Long = 150) {
    visibility = View.VISIBLE
    animate().setDuration(duration).alpha(1.0f).start()
}

fun View.fadeOut(duration: Long = 150) {
    animate().setDuration(duration).alpha(0.0f).setListener(object : AnimatorListenerAdapter() {
        override fun onAnimationEnd(animation: Animator) {
            super.onAnimationEnd(animation)
            visibility = View.GONE
        }
    })
}

fun View.hideKeyboard() {
    val imm = this.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
    imm.hideSoftInputFromWindow(this.windowToken, 0)
}


fun View.drawToBitmap(config: Bitmap.Config = Bitmap.Config.ARGB_8888, longestWidth: Int = 2000): Bitmap {
    val size = Size(measuredWidth, measuredHeight).coerceAtMost(longestWidth)
    val scale = size.width / measuredWidth.toFloat()

    return Bitmap.createBitmap(size.width, size.height, config).applyCanvas {
        scale(scale, scale)
        translate(-scrollX.toFloat(), -scrollY.toFloat())
        draw(this)
    }
}

fun Size.coerceAtMost(longestWidth: Int): Size =
    (width.toFloat() / height).let { aspect ->
        if (aspect > 1) {
            width.coerceAtMost(longestWidth).let { Size(it, (it / aspect).roundToInt()) }
        } else {
            height.coerceAtMost(longestWidth).let { Size((it * aspect).roundToInt(), it) }
        }
    }