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.activity.GoodsListActivity
import com.sw.inbound.adapter.GoodsSearchAdapter
import com.sw.inbound.databinding.DialogGoodsSearchBinding
import com.sw.inbound.databinding.LayoutEmptySearchBinding
import com.sw.inbound.model.response.SearchGoodsInfo
import com.sw.inbound.utils.ext.addOnActionSearchListener
import com.sw.inbound.utils.ext.hideKeyboard
import com.sw.inbound.utils.ext.toast

class GoodsSearchDialog(
    context: Context
) : BaseDialog(context) {

    private lateinit var inflater: LayoutInflater
    private var emptyBinding: LayoutEmptySearchBinding? = null
    private lateinit var binding: DialogGoodsSearchBinding
    override fun getRootView(): View {
        inflater = LayoutInflater.from(context)
        binding = DialogGoodsSearchBinding.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.btnAddGoods.setOnClickListener {
            AddGoodsDialog(
                context = context,
                cancelBlock = {},
                confirmBlock = { goodsName->
                    pageNo = 1
                    binding.etInputGoods.setText(goodsName)
                    searchGoods()
                }
            ).apply {
                setOnDismissListener {
                    //activity?.bindCamera()
                }
                show()
            }
        }
        binding.btnConfirm.setOnClickListener {
            if (list.isEmpty()) {
                context.toast("请搜索物品")
                return@setOnClickListener
            }
            if (clickIndex == -1) {
                context.toast("请选择物品")
                return@setOnClickListener
            }
            GoodsStoreDialog(
                context = context,
                funcType = 1,
                goods =  list[clickIndex]
            ) {
                activity?.addGoods(it)
                //activity?.startTime = System.currentTimeMillis()
                activity?.goodsRecognizeDialog?.dismiss()
                dismiss()
            }.show()
        }
        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()
            }
        }
        loadEmptyView()
    }

    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 {
        GoodsSearchAdapter(list).apply {
            isStateViewEnable = true
            setOnItemClickListener { adapter, view, position ->
                this@GoodsSearchDialog.clickIndex = position
                if (list[position].isSelected) {
                    return@setOnItemClickListener
                }
                list.forEach { item ->
                    item.isSelected = false
                }
                list[position].isSelected = true
                notifyDataSetChanged()
            }
        }
    }

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