package cn.sinata.xldutils.view

import android.app.Activity
import android.content.Context
import android.graphics.Typeface
import android.graphics.drawable.Drawable
import android.text.InputType
import android.text.TextUtils
import android.util.AttributeSet
import android.util.TypedValue
import android.view.Gravity
import android.view.View
import android.view.ViewGroup
import android.widget.FrameLayout
import android.widget.TextView
import androidx.annotation.ColorRes
import androidx.core.content.ContextCompat
import cn.sinata.xldutils.R
import org.jetbrains.anko.backgroundDrawable
import org.jetbrains.anko.dip
import org.jetbrains.anko.textColor
import org.jetbrains.anko.textView

/**
 * 标题栏
 * Created by liaoxiang on 16/3/22.
 */
class TitleBar : FrameLayout {

    constructor(context: Context) : super(context)
    constructor(context: Context, attributeSet: AttributeSet) : super(context, attributeSet)
    constructor(context: Context, attributeSet: AttributeSet, defStyleAttr: Int) : super(context, attributeSet, defStyleAttr)

    private var hasLeft = true
    val leftView: TextView by lazy {
        textView {
            textSize = 14f
            textColor = ContextCompat.getColor(context, R.color.textColor)
            maxLines = 1
            ellipsize = TextUtils.TruncateAt.END
            maxWidth = dip(180)
            gravity = Gravity.CENTER
        }
    }
    val titleView: TextView by lazy {
        textView {
            textSize = 17f
            maxLines = 2
            ellipsize = TextUtils.TruncateAt.END
            gravity = Gravity.CENTER
            textColor = ContextCompat.getColor(context, R.color.white)
            typeface = Typeface.DEFAULT_BOLD
        }
    }
    private val rightViews = ArrayList<View>()

    init {
        //宽度全屏，高度46dp
        layoutParams = ViewGroup.LayoutParams(LayoutParams.MATCH_PARENT, dip(46))
        //添加leftView
        leftView
        val param = FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.MATCH_PARENT)
        param.bottomMargin = dip(4)
        param.topMargin = dip(4)
        param.gravity = Gravity.CENTER_VERTICAL
        showLeft(hasLeft)
        leftView.setPadding(dip(16), 0, dip(8), 0)
        leftView.layoutParams = param
        leftView.compoundDrawablePadding = dip(4)
        leftView.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.back, 0, 0, 0)
        //添加TitleView
        titleView
        titleView.setPadding(dip(4), 0, dip(4), 0)
        val param1 = FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.MATCH_PARENT)
        param1.bottomMargin = dip(1)
        param1.topMargin = dip(1)
        titleView.compoundDrawablePadding = dip(4)
        param1.gravity = Gravity.CENTER
        titleView.layoutParams = param1

        //默认不可输入
//        titleView.inputType = InputType.TYPE_NULL
//        titleView.isEnabled = false
        setTitleColor(R.color.title_text)
        //默认白色
        titleView.backgroundDrawable = null
        //默认左键点击关闭页面
        leftView.setOnClickListener {
            (context as Activity).finish()
        }
    }

    override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
        super.onLayout(changed, left, top, right, bottom)

        var lw = 0
        if (hasLeft) {
            lw = leftView.measuredWidth
        }
        var rw = 0
        if (isHasRight) {
            for (view in rightViews) {
                if (view.visibility != View.GONE) {
                    val rightMargin = (view.layoutParams as FrameLayout.LayoutParams).rightMargin
                    val temp = rw
                    if (rightMargin != temp) {
                        (view.layoutParams as FrameLayout.LayoutParams).rightMargin = temp
                    }
                    rw += view.measuredWidth + 5
                }
            }
        }
        val leftMargin = (titleView.layoutParams as FrameLayout.LayoutParams).leftMargin
        val rightMargin = (titleView.layoutParams as FrameLayout.LayoutParams).rightMargin
        val newMargin = Math.max(lw, rw) + 5
//                System.err.println("onlayout-------$leftMargin--->$rightMargin")
        if (leftMargin != newMargin || rightMargin != newMargin) {
            (titleView.layoutParams as FrameLayout.LayoutParams).leftMargin = newMargin
            (titleView.layoutParams as FrameLayout.LayoutParams).rightMargin = newMargin
            titleView.requestLayout()
        }
    }

    fun showLeft(show: Boolean) {
        hasLeft = show
        leftView.visibility = if (show) View.VISIBLE else View.GONE
    }

    fun setCanEditable(canEditable: Boolean) {
        if (canEditable) {
            titleView.inputType = InputType.TYPE_CLASS_TEXT
            titleView.isEnabled = true
        }
    }

    fun setTitle(s: CharSequence) {
        titleView.setText(s)
    }

    fun setTitleColor(@ColorRes color: Int) {
        titleView.setTextColor(ContextCompat.getColor(context, color))
    }

    fun setTitle(s: CharSequence, size: Float) {
        titleView.setText(s)
        titleView.setTextSize(TypedValue.COMPLEX_UNIT_SP, size)
    }

    fun addRightButton(title: String? = null, rightId: Int = 0, onClickListener: View.OnClickListener) {
        //        hasRight = true;
        val padding = dip(14)
        val drawablePadding = dip(5)

        val w = rightViews
                .filter { it.visibility != View.GONE }
                .sumBy { it.measuredWidth + 5 }
        val params = FrameLayout.LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.MATCH_PARENT)

        params.rightMargin = w
        params.gravity = Gravity.RIGHT or Gravity.CENTER_VERTICAL
        val rightView = TextView(context)
        rightView.compoundDrawablePadding = drawablePadding
        if (title != null) {
            rightView.text = title
        }
        rightView.maxWidth = dip(160)

        rightView.setTextColor(ContextCompat.getColor(context, R.color.textColor))
        rightView.setPadding(padding / 2, 0, padding, 0)
        rightView.gravity = Gravity.CENTER_VERTICAL or Gravity.CENTER
        rightView.layoutParams = params
        var right: Drawable? = null
        if (rightId > 0) {
            right = ContextCompat.getDrawable(context, rightId)
        }
        rightView.setCompoundDrawablesWithIntrinsicBounds(null, null, right, null)
        rightView.setOnClickListener(onClickListener)
        addView(rightView)
        rightViews.add(rightView)
    }

    /**
     * 设置右边第p个按钮（0开始）的文字，图片
     */
    fun setRightButton(position: Int = 0, title: String, resId: Int = 0) {
        if (isHasRight && rightViews.size > position && position >= 0) {
            (rightViews[position] as TextView).text = title
            if (resId > 0) {
                val drawable = ContextCompat.getDrawable(context, resId)
                (rightViews[position] as TextView).setCompoundDrawablesWithIntrinsicBounds(null, drawable, null, null)
            }
        }
    }

    fun getRightButton(position: Int): TextView? {
        if (rightViews.isEmpty()) {
            return null
        }
        val view = rightViews[position]
        if (view is TextView) {
            return view
        }
        return TextView(context)
    }

    fun hideRightButton(position: Int, hide: Boolean) {
        if (isHasRight && rightViews.size > position && position >= 0) {
            rightViews[position].visibility = if (hide) View.GONE else View.VISIBLE
        }
    }

    fun hideAllRightButton() {
        if (isHasRight) {
            for (view in rightViews) {
                view.visibility = View.GONE
            }
        }
    }

    fun showAllRightButton() {
        if (isHasRight) {
            for (view in rightViews) {
                view.visibility = View.VISIBLE
            }
        }
    }

    fun leftClick(l: ((v: View) -> Unit)) = leftView.setOnClickListener(l)

    private val isHasRight: Boolean
        get() = rightViews.size > 0
}