package com.example.smart.ui.projectevent

import android.text.TextUtils
import android.view.LayoutInflater
import android.view.View
import androidx.activity.viewModels
import androidx.core.view.isVisible
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentActivity
import androidx.viewpager2.adapter.FragmentStateAdapter
import com.example.basecore.BaseBindingActivity

import com.example.smart.databinding.ActivityProjectEventBinding
import com.example.smart.ui.projectevent.frag.SystemTreeFragment

import com.example.basecore.util.toast
import com.example.smart.ui.projectevent.bean.SystemTreeBean
import com.google.android.material.tabs.TabLayoutMediator

/**
 * 添加问题
 */
class ProjectProblemActivity : BaseBindingActivity() {


    private val binding by lazy { ActivityProjectEventBinding.inflate(LayoutInflater.from(mContext)) }
    private val viewModel: ProjectProblemViewModel by viewModels()

    private lateinit var from: String
    private lateinit var taskId: String
    private lateinit var planId: String

    override fun initView() {
        transStatusBar()
        from = intent.data?.getQueryParameter("from") ?: "issue"
        taskId = intent.data?.getQueryParameter("id") ?: ""
        planId = intent.data?.getQueryParameter("plan_id") ?: ""
        if (from == "correct") {
            binding.titleLayout.setTitle("正确做法")
        }

        requestData()

    }

    override fun bindDataObserver() {
        super.bindDataObserver()
        viewModel.systemTreeBean.observe(this) {
            bindPage(it)
            binding.loadingLayout.loadNull()
            binding.viewPager.visibility = View.VISIBLE
        }
    }

    private fun requestData() {
        if (TextUtils.isEmpty(taskId)) {
            toast("任务不存在")
            return
        }
        viewModel.callSystemTree(taskId) {
            binding.loadingLayout.loadEmpty()
            binding.viewPager.visibility = View.GONE
        }
    }

    private fun bindPage(treeList : List<SystemTreeBean>) {

        binding.viewPager.adapter = PageAdapter(this, treeList)

        binding.run {
            TabLayoutMediator(tabLayout, viewPager) { tab, position ->
                tab.text = treeList[position].name
            }.attach()
        }
    }

    inner class PageAdapter(activity: FragmentActivity, val list: List<SystemTreeBean>) :
        FragmentStateAdapter(activity) {

        override fun createFragment(position: Int): Fragment {
            return SystemTreeFragment.newInstance(list[position])
        }

        override fun getItemCount(): Int {
            return list.size
        }
    }

    override fun getRootView() = binding.root


}