asfoury/projmag

package com.sdp13epfl2021.projmag.activities

import android.os.Bundle
import android.widget.EditText
import android.widget.ImageButton
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.RecyclerView
import com.sdp13epfl2021.projmag.MainActivity
import com.sdp13epfl2021.projmag.R
import com.sdp13epfl2021.projmag.adapter.MessageListAdapter
import com.sdp13epfl2021.projmag.database.interfaces.CommentsDatabase
import com.sdp13epfl2021.projmag.database.interfaces.ProjectId
import com.sdp13epfl2021.projmag.database.interfaces.UserdataDatabase
import com.sdp13epfl2021.projmag.model.Message
import com.sdp13epfl2021.projmag.model.Success
import dagger.hilt.android.AndroidEntryPoint
import java.util.*
import javax.inject.Inject
import javax.inject.Named

@AndroidEntryPoint
class CommentsActivity : AppCompatActivity() {
    private lateinit var recyclerView: RecyclerView
    private lateinit var messageAdapter: MessageListAdapter


    @Inject
    lateinit var commentsDB: CommentsDatabase

    @Inject
    lateinit var userDB: UserdataDatabase

    @Inject
    @Named("currentUserId")
    lateinit var userId: String

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_comments)
        // send a message
        // get the project id
        val projectId: String? = intent.getStringExtra(MainActivity.projectIdString)
        if (projectId == null) {
            Toast.makeText(this, getString(R.string.failed_to_get_comments), Toast.LENGTH_LONG).show()
            finish()
        } else {
            setUpSendButton(projectId)
            val recyclerView = findViewById<RecyclerView>(R.id.recycler_view_comments)
            commentsDB.getCommentsOfProject(projectId, {
                recyclerView.adapter = MessageListAdapter(it, userDB)
                recyclerView.setHasFixedSize(false)
                recyclerView.scrollToPosition(it.size - 1)
            }, {})
            commentsDB.addListener(projectId) { _: ProjectId, messages: List<Message> ->
                this.runOnUiThread {
                    recyclerView.adapter = MessageListAdapter(messages, userDB)
                    recyclerView.setHasFixedSize(false)
                    recyclerView.scrollToPosition(messages.size - 1)
                }
            }
        }
    }

    private fun setUpSendButton(projectId: String) {
        val sendCommentButton = findViewById<ImageButton>(R.id.comments_send_button)
        sendCommentButton.setOnClickListener {
            val editTextView = findViewById<EditText>(R.id.comments_edit_text)
            val messageText = editTextView.text.toString()
            when (val message = Message.build(messageText, userId, Date().time)) {
                is Success -> {
                    commentsDB.addCommentToProjectComments(message.value, (projectId), {}, {})
                    editTextView.text.clear()
                }
            }
        }
    }
}