coding-blocks/CBOnlineApp

package com.codingblocks.cbonlineapp.dashboard.explore

import android.content.Intent
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import androidx.core.app.ActivityOptionsCompat
import androidx.core.view.ViewCompat
import androidx.core.view.isVisible
import androidx.lifecycle.observe
import androidx.recyclerview.widget.RecyclerView
import com.bumptech.glide.Glide
import com.codingblocks.cbonlineapp.R
import com.codingblocks.cbonlineapp.auth.LoginActivity
import com.codingblocks.cbonlineapp.baseclasses.BaseCBFragment
import com.codingblocks.cbonlineapp.course.CourseActivity
import com.codingblocks.cbonlineapp.course.SearchCourseActivity
import com.codingblocks.cbonlineapp.course.adapter.CourseListAdapter
import com.codingblocks.cbonlineapp.course.adapter.ItemClickListener
import com.codingblocks.cbonlineapp.course.adapter.WishlistListener
import com.codingblocks.cbonlineapp.dashboard.DashboardViewModel
import com.codingblocks.cbonlineapp.tracks.LearningTracksActivity
import com.codingblocks.cbonlineapp.tracks.TrackActivity
import com.codingblocks.cbonlineapp.tracks.TracksListAdapter
import com.codingblocks.cbonlineapp.util.COURSE_ID
import com.codingblocks.cbonlineapp.util.COURSE_LOGO
import com.codingblocks.cbonlineapp.util.CustomDialog
import com.codingblocks.cbonlineapp.util.LOGIN
import com.codingblocks.cbonlineapp.util.LOGO_TRANSITION_NAME
import com.codingblocks.cbonlineapp.util.extensions.hideAndStop
import com.codingblocks.cbonlineapp.util.extensions.openChrome
import com.codingblocks.cbonlineapp.util.extensions.setRv
import com.codingblocks.cbonlineapp.util.extensions.showSnackbar
import com.codingblocks.cbonlineapp.util.livedata.observer
import kotlinx.android.synthetic.main.activity_course.courseSuggestedRv
import kotlinx.android.synthetic.main.app_bar_dashboard.*
import kotlinx.android.synthetic.main.fragment_dashboard_explore.*
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.launch
import org.jetbrains.anko.support.v4.intentFor
import org.jetbrains.anko.support.v4.startActivity
import org.koin.androidx.viewmodel.ext.android.sharedViewModel

class DashboardExploreFragment : BaseCBFragment() {

    private val vm: DashboardViewModel by sharedViewModel()

    private val courseCardListAdapter = CourseListAdapter()
    private val coursePopularListAdapter = CourseListAdapter("POPULAR")
    private val tracksListAdapter = TracksListAdapter()
    private lateinit var bannerUrl: String

    private val itemClickListener: ItemClickListener by lazy {
        object : ItemClickListener {
            override fun onClick(id: String, name: String, logo: ImageView) {
                val intent = Intent(requireContext(), CourseActivity::class.java)
                intent.putExtra(COURSE_ID, id)
                intent.putExtra(COURSE_LOGO, name)
                intent.putExtra(LOGO_TRANSITION_NAME, ViewCompat.getTransitionName(logo))

                val options: ActivityOptionsCompat = ActivityOptionsCompat.makeSceneTransitionAnimation(
                    requireActivity(),
                    logo,
                    ViewCompat.getTransitionName(logo)!!
                )
                startActivity(intent, options.toBundle())
            }
        }
    }

    private val wishlistListener: WishlistListener by lazy {
        object : WishlistListener {
            override fun onWishListClickListener(id: String) {
                if (vm.isLoggedIn == true) {
                    vm.changeWishlistStatus(id)
                } else {
                    CustomDialog.showConfirmation(requireContext(), LOGIN) {
                        if (it) {
                            startActivity(intentFor<LoginActivity>())
                        }
                    }
                }
            }
        }
    }

    private val trackItemClickList: ItemClickListener by lazy {
        object : ItemClickListener {
            override fun onClick(id: String, name: String, logo: ImageView) {
                val intent = Intent(requireContext(), TrackActivity::class.java)
                intent.putExtra(COURSE_ID, id)
                intent.putExtra(COURSE_LOGO, name)
                intent.putExtra(LOGO_TRANSITION_NAME, ViewCompat.getTransitionName(logo))

                val options: ActivityOptionsCompat = ActivityOptionsCompat.makeSceneTransitionAnimation(
                    requireActivity(),
                    logo,
                    ViewCompat.getTransitionName(logo)!!
                )
                startActivity(intent, options.toBundle())
            }
        }
    }

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?):
        View? = inflater.inflate(R.layout.fragment_dashboard_explore, container, false)

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        vm.fetchRecommendedCourses(0, 4)
        vm.fetchRecommendedCourses(4, 4)
        vm.fetchTracks()
//        campaignView.setOnClickListener {
//            startActivity(CampaignActivity.createCampaignActivityIntent(requireContext()))
//        }
        dashboardPopularRv.setRv(
            requireContext(),
            coursePopularListAdapter,
            orientation = RecyclerView.HORIZONTAL,
            space = 28f
        )
        courseSuggestedRv.setRv(
            requireContext(),
            courseCardListAdapter,
            orientation = RecyclerView.HORIZONTAL,
            space = 28f
        )
        dashboardTracksRv.setRv(requireContext(), tracksListAdapter, orientation = RecyclerView.HORIZONTAL, space = 28f)

        vm.suggestedCourses.observe(thisLifecycleOwner) { courses ->
            if (courses.isNotEmpty()) {
                courseCardListAdapter.submitList(courses)
                dashboardPopularShimmer.hideAndStop()
                dashboardPopularRv.isVisible = true
            }
        }
        vm.trendingCourses.observe(thisLifecycleOwner) { courses ->
            if (courses.isNotEmpty()) {
                coursePopularListAdapter.submitList(courses)
                dashboardSuggestedShimmer.hideAndStop()
                courseSuggestedRv.isVisible = true
            }
        }
        vm.tracks.observe(thisLifecycleOwner) { tracks ->
            if (tracks.isNotEmpty()) {
                tracksListAdapter.submitList(tracks)
                dashboardTrackShimmer.hideAndStop()
                dashboardTracksRv.isVisible = true
            }
        }
        vm.snackbar.observe(thisLifecycleOwner) {
            swipeToRefresh.showSnackbar(it, anchorView = activity?.dashboardBottomNav, action = false)
        }

        vm.fetchBanner().observer(viewLifecycleOwner) {
            it?.let {
                bannerUrl = it.link
                bannerHolder.isVisible = true
                Glide.with(requireContext()).load(it.mobileImageUrl).into(banner)
            }
        }

        bannerCross.setOnClickListener {
            bannerHolder.isVisible = false
        }
        bannerHolder.setOnClickListener {
            requireContext().openChrome(bannerUrl)
        }

        courseCardListAdapter.onItemClick = itemClickListener
        coursePopularListAdapter.onItemClick = itemClickListener
        courseCardListAdapter.wishlistListener = wishlistListener
        coursePopularListAdapter.wishlistListener = wishlistListener
        tracksListAdapter.onItemClick = trackItemClickList

        allCourseCardTv.setOnClickListener {
            startActivity<SearchCourseActivity>()
        }
        allCourseCard.setOnClickListener {
            startActivity<SearchCourseActivity>()
        }
        allTracksTv.setOnClickListener {
            startActivity<LearningTracksActivity>()
        }
        swipeToRefresh.setOnRefreshListener {
            vm.fetchRecommendedCourses(0, 4)
            vm.fetchRecommendedCourses(4, 4)
            vm.fetchTracks()
            GlobalScope.launch(Dispatchers.Main) {
                delay(5000)
                if (swipeToRefresh != null)
                    swipeToRefresh.isRefreshing = false
            }
        }
    }

    override fun onDestroyView() {
        courseCardListAdapter.onItemClick = null
        coursePopularListAdapter.onItemClick = null
        tracksListAdapter.onItemClick = null
        super.onDestroyView()
    }
}