package com.igo.user.dialog

import android.os.Bundle
import android.view.Gravity
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.DialogFragment
import cn.sinata.xldutils.activity.BaseActivity
import cn.sinata.xldutils.view.WheelView
import com.igo.user.R
import com.igo.user.network.HttpManager
import com.igo.user.network.entity.City
import com.igo.user.network.request
import org.jetbrains.anko.matchParent
import org.jetbrains.anko.support.v4.find
import org.jetbrains.anko.wrapContent

class RegionDialog : DialogFragment() {
    private val province by lazy {
        arguments?.getSerializable("province") as ArrayList<City>
    }
    private val city= arrayListOf<City>()
    private var isFirst = true //true：第一次显示，需要回显选中的index

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        return inflater.inflate(R.layout.dialog_region, container, false)
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setStyle(STYLE_NO_FRAME, R.style.Dialog)
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)
        dialog?.window?.setLayout(matchParent, wrapContent)
        dialog?.window?.setGravity(Gravity.BOTTOM)
        dialog?.setCanceledOnTouchOutside(true)
    }

    private val wv_1 by lazy { find<WheelView>(R.id.wv_1) }
    private val wv_2 by lazy { find<WheelView>(R.id.wv_2) }
    private val wv_3 by lazy { find<WheelView>(R.id.wv_3) }
    private val tv_cancel by lazy { find<View>(R.id.tv_cancel) }
    private val tv_sure by lazy { find<View>(R.id.tv_sure) }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        wv_1.setItems(province.map { it.name })
        wv_1.setSeletion(arguments?.getInt("provinceIndex")?:0)
        getRegion()
        wv_1.setOnWheelViewListener { _, _ ->
            getRegion()
        }
        wv_2.setOnWheelViewListener { _, _ ->
            getRegion(false)
        }

        tv_cancel.setOnClickListener {
            dismiss()
        }
        tv_sure.setOnClickListener {
            callback?.onOk(wv_1.seletedItem+wv_2.seletedItem+wv_3.seletedItem,wv_1.seletedIndex,wv_2.seletedIndex,wv_3.seletedIndex)
            dismiss()
        }
    }

    /**
     * @param isCity true：城市 false：地区
     */
    private fun getRegion(isCity:Boolean = true){
        if ((!isCity&&city.isEmpty())||!isAdded)
            return
        HttpManager.queryRegions(if (isCity) province[wv_1.seletedIndex].id else city[wv_2.seletedIndex].id).request(activity as BaseActivity){_,data->
            data?.apply {
                if (isCity){
                    city.clear()
                    city.addAll(this)
                    wv_2?.setItems(city.map { it.name })
                    if (isFirst)
                        wv_2?.setSeletion(arguments?.getInt("cityIndex")?:0)
                    else
                        wv_2?.setSeletion(0)
                    if (city.isNotEmpty())
                        getRegion(false)
                    else{
                        wv_3?.setItems(arrayListOf())
                        wv_3?.setSeletion(0)
                    }
                }else{
                    wv_3?.setItems(map{it.name})
                    if (isFirst)
                        wv_3?.setSeletion(arguments?.getInt("regionIndex")?:0)
                    else
                        wv_3?.setSeletion(0)
                }
            }
        }
    }

    interface OnOkClick{
        fun onOk(region:String,provinceIndex:Int,cityIndex:Int,regionIndex:Int)
    }

    private var callback: OnOkClick? = null

    fun setCallback(callback: OnOkClick) {
        this.callback = callback
    }
}