/* This Source Code Form is subject to the terms of the Mozilla Public
   License, v. 2.0. If a copy of the MPL was not distributed with this
   file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.fenix.home

import android.content.res.Resources
import android.graphics.drawable.BitmapDrawable
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.navigation.Navigation
import kotlinx.android.synthetic.main.fragment_home.*
import kotlinx.android.synthetic.main.fragment_home.view.*
import org.mozilla.fenix.R
import org.mozilla.fenix.ext.requireComponents
import org.mozilla.fenix.home.sessions.SessionsComponent
import org.mozilla.fenix.home.sessions.layoutComponents
import org.mozilla.fenix.mvi.ActionBusFactory
import kotlin.math.roundToInt

class HomeFragment : Fragment() {
    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        val view = inflater.inflate(R.layout.fragment_home, container, false)
        SessionsComponent(view.homeLayout, ActionBusFactory.get(this))
        ActionBusFactory.get(this).logMergedObservables()
        return view
    }

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

        layoutComponents(view.homeLayout)

        val searchIcon = requireComponents.search.searchEngineManager.getDefaultSearchEngine(requireContext()).let {
            BitmapDrawable(resources, it.icon)
        }

        // Temporary so we can easily test settings
        menuButton.setOnClickListener {
            Navigation.findNavController(it).navigate(R.id.action_homeFragment_to_settingsActivity, null, null)
        }

        toolbar.setCompoundDrawablesWithIntrinsicBounds(searchIcon, null, null, null)
        val roundToInt = (toolbarPaddingDp * Resources.getSystem().displayMetrics.density).roundToInt()
        toolbar.compoundDrawablePadding = roundToInt
        toolbar.setOnClickListener { it ->
            Navigation.findNavController(it).navigate(R.id.action_homeFragment_to_searchFragment, null, null)
        }
    }

    companion object {
        const val toolbarPaddingDp = 12f
    }
}