Dantotsu/app/src/main/java/ani/dantotsu/profile/activity/FeedActivity.kt

package ani.dantotsu.profile.activity

import android.content.res.Configuration
import android.os.Bundle
import android.view.View
import android.view.ViewGroup
import androidx.appcompat.app.AppCompatActivity
import androidx.core.view.updateLayoutParams
import androidx.core.view.updateMargins
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentManager
import androidx.lifecycle.Lifecycle
import androidx.viewpager2.adapter.FragmentStateAdapter
import androidx.viewpager2.widget.ViewPager2
import ani.dantotsu.R
import ani.dantotsu.databinding.ActivityFeedBinding
import ani.dantotsu.databinding.ActivityNotificationBinding
import ani.dantotsu.initActivity
import ani.dantotsu.navBarHeight
import ani.dantotsu.statusBarHeight
import ani.dantotsu.themes.ThemeManager
import ani.dantotsu.profile.activity.ActivityFragment.Companion.ActivityType
import ani.dantotsu.profile.notification.NotificationActivity
import nl.joery.animatedbottombar.AnimatedBottomBar

class FeedActivity : AppCompatActivity() {
    private lateinit var binding: ActivityNotificationBinding
    private var selected: Int = 0
    lateinit var navBar: AnimatedBottomBar

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        ThemeManager(this).applyTheme()
        initActivity(this)
        binding = ActivityNotificationBinding.inflate(layoutInflater)
        setContentView(binding.root)
        binding.notificationTitle.text = getString(R.string.activities)
        binding.notificationToolbar.updateLayoutParams<ViewGroup.MarginLayoutParams> {
            topMargin = statusBarHeight
        }
        navBar = binding.notificationNavBar
        binding.root.updateLayoutParams<ViewGroup.MarginLayoutParams> {
            bottomMargin = navBarHeight
        }
        val tabs = listOf(
            Pair(R.drawable.ic_round_person_24, "Following"),
            Pair(R.drawable.ic_globe_24, "Global"),
        )
        tabs.forEach { (icon, title) -> navBar.addTab(navBar.createTab(icon, title)) }

        binding.notificationBack.setOnClickListener { onBackPressedDispatcher.onBackPressed() }
        val getOne = intent.getIntExtra("activityId", -1)
        if (getOne != -1) { navBar.visibility = View.GONE }
        binding.notificationViewPager.isUserInputEnabled = false
        binding.notificationViewPager.adapter = ViewPagerAdapter(supportFragmentManager, lifecycle, getOne)
        binding.notificationViewPager.setOffscreenPageLimit(4)
        binding.notificationViewPager.setCurrentItem(selected, false)
        navBar.selectTabAt(selected)
        navBar.setOnTabSelectListener(object : AnimatedBottomBar.OnTabSelectListener {
            override fun onTabSelected(
                lastIndex: Int,
                lastTab: AnimatedBottomBar.Tab?,
                newIndex: Int,
                newTab: AnimatedBottomBar.Tab
            ) {
                selected = newIndex
                binding.notificationViewPager.setCurrentItem(selected, false)
            }
        })
    }

    override fun onResume() {
        super.onResume()
        navBar.selectTabAt(selected)
    }

    private class ViewPagerAdapter(
        fragmentManager: FragmentManager,
        lifecycle: Lifecycle,
        private val activityId: Int
    ) : FragmentStateAdapter(fragmentManager, lifecycle) {
        override fun getItemCount(): Int = if (activityId != -1) 1 else 2

        override fun createFragment(position: Int): Fragment {
            return when (position) {
                0 -> ActivityFragment.newInstance(if (activityId != -1) ActivityType.ONE else ActivityType.USER, activityId = activityId)
                else -> ActivityFragment.newInstance(ActivityType.GLOBAL)
            }
        }
    }
}