package com.sw.inbound.dialog

import android.annotation.SuppressLint
import android.content.Context
import android.view.LayoutInflater
import android.view.View
import androidx.recyclerview.widget.GridLayoutManager
import androidx.recyclerview.widget.LinearLayoutManager
import com.sw.inbound.R
import com.sw.inbound.activity.GoodsListActivity
import com.sw.inbound.adapter.CollectSearchAdapter
import com.sw.inbound.databinding.DialogCollectSearchBinding
import com.sw.inbound.databinding.LayoutEmptySearchBinding
import com.sw.inbound.model.response.SearchGoodsInfo
import com.sw.inbound.objbox.Food
import com.sw.inbound.objbox.ObjectBox
import com.sw.inbound.utils.ext.addOnActionSearchListener
import com.sw.inbound.utils.ext.hideKeyboard
import com.sw.inbound.utils.ext.toast
import io.objectbox.Box
import io.objectbox.kotlin.boxFor

@SuppressLint("NotifyDataSetChanged")
class CollectSearchDialog(
    context: Context
) : BaseDialog(context) {

    private lateinit var inflater: LayoutInflater
    private var emptyBinding: LayoutEmptySearchBinding? = null
    private lateinit var binding: DialogCollectSearchBinding
    override fun getRootView(): View {
        inflater = LayoutInflater.from(context)
        binding = DialogCollectSearchBinding.inflate(inflater)
        return binding.root
    }

    private var activity: GoodsListActivity? = null
    override fun initView() {
        activity = getReceiptActivity()
        binding.ivClose.setOnClickListener { dismiss() }
        binding.ivGoodsSearch.setOnClickListener { searchGoods() }
        binding.etInputGoods.let { v ->
            v.addOnActionSearchListener {
                searchGoods()
            }
        }
        binding.btnConfirm.setOnClickListener {
            dismiss()
        }
        binding.rvSearch.let {
            it.layoutManager = GridLayoutManager(context, 2, LinearLayoutManager.VERTICAL, false)
            it.adapter = searchAdapter
        }
        binding.refreshLayout.let {
            it.setEnableRefresh(true)
            it.setEnableLoadMore(false)
            it.setOnRefreshListener {
                pageNo = 1
                searchGoods()
            }
            it.setOnLoadMoreListener {
                searchGoods()
            }
        }
        getCollectGoods()
    }

    private var pageNo = 1

    companion object {
        private const val PAGE_SIZE = 10
    }

    @SuppressLint("NotifyDataSetChanged")
    private fun searchGoods() {
        val searchName = binding.etInputGoods.text.toString().trim()
        if (searchName.isBlank()) {
            activity?.toast("请输入物品名称")
            finishRefresh()
            return
        }
        activity?.searchGoods(
            searchName = searchName,
            pageNo = pageNo,
            pageSize = PAGE_SIZE
        ) { records ->
            finishRefresh()
            binding.etInputGoods.hideKeyboard()
            if (pageNo == 1) {
                list.clear()
            }
            list.addAll(records)
            if (list.isEmpty()) {
                loadEmptyView()
                return@searchGoods
            }
            val enableLoadMore = records.size >= PAGE_SIZE
            binding.refreshLayout.setEnableLoadMore(enableLoadMore)
            if (enableLoadMore) {
                pageNo++
            }
            binding.rvSearch.layoutManager =
                GridLayoutManager(context, 2, GridLayoutManager.VERTICAL, false)
            searchAdapter.notifyDataSetChanged()
        }
    }

    private fun loadEmptyView() {
        binding.rvSearch.layoutManager =
            LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false)
        if (emptyBinding == null) {
            emptyBinding = LayoutEmptySearchBinding.inflate(inflater, binding.rvSearch, false)
        }
        emptyBinding?.root?.let { layout ->
            layout.setOnClickListener { layout.hideKeyboard() }
            searchAdapter.stateView = layout
        }
    }

    private var clickIndex = -1

    private val list: MutableList<SearchGoodsInfo.Record> = mutableListOf()
    private val searchAdapter by lazy {
        CollectSearchAdapter(list).apply {
            isStateViewEnable = true
            setOnItemClickListener { _, _, position ->
                this@CollectSearchDialog.clickIndex = position
                if (list[position].isSelected) {
                    return@setOnItemClickListener
                }
                list.forEach { item ->
                    item.isSelected = false
                }
                list[position].isSelected = true
                notifyDataSetChanged()
            }
            addOnItemChildClickListener(R.id.ivDelete) { _, _, position ->
                deleteGoods(position)
            }
        }
    }

    private fun deleteGoods(position:Int) {
        WarnDialog(context = context, content = "请确认是否删除该物品？", confirmBlock = {
            Thread{
                activity?.runOnUiThread {
                    Loading.show(context)
                }
                val name = list[position].goodsName
                val filterIdList = box?.all?.filter { it.name == name }?.map { it.id }
                box?.removeByIds(filterIdList)
                activity?.runOnUiThread {
                    Loading.dismiss()
                    list.removeAt(position)
                    searchAdapter.notifyDataSetChanged()
                    activity?.toast("删除成功")
                }
            }.start()
        }).show()
    }

    private fun finishRefresh() {
        binding.refreshLayout.let {
            if (pageNo == 1) {
                it.finishRefresh(500)
            } else {
                it.finishLoadMore(500)
            }
        }
    }

    private var box: Box<Food>? = null
    @SuppressLint("NotifyDataSetChanged")
    private fun getCollectGoods() {
        if (box == null) {
            box = ObjectBox.boxStore.boxFor(Food::class)
        }
        box?.all?.distinctBy { it.name }?.forEach {
            list.add((SearchGoodsInfo.Record(goodsName = it.name)))
        }
        binding.rvSearch.layoutManager = GridLayoutManager(activity, 2, LinearLayoutManager.VERTICAL, false)
        searchAdapter.notifyDataSetChanged()
        if (list.isEmpty()) {
            loadEmptyView()
        }
    }

}