Untitled

package com.example.todolistapplicationtwo


class MainActivity : AppCompatActivity() {
    private lateinit var todoAppRepo: TodoApplicationRepository
    private val todoList = mutableListOf<TodoItem>()
    private lateinit var adapter: TodoAdapter

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        todoAppRepo = TodoApplicationRepository(this)

        val todoTitle = findViewById<EditText>(R.id.todoTitle)
        val todoDescription = findViewById<EditText>(R.id.todoDescription)
        val todoPriority = findViewById<Spinner>(R.id.todoPriority)
        val addTodoButton = findViewById<Button>(R.id.addTodoButton)
        val todoRecyclerView = findViewById<RecyclerView>(R.id.todoRecyclerView)

        // Priority Levels
        val priorities = listOf("Low", "Medium", "High")
        val priorityAdapter = ArrayAdapter(this, android.R.layout.simple_spinner_dropdown_item, priorities)
        todoPriority.adapter = priorityAdapter

        // Load data from the database
        todoList.clear() // Clear the existing list before adding new data
        todoList.addAll(todoAppRepo.getAllTodos()) // Get all todos from the database

        // RecyclerView setup
        adapter = TodoAdapter(todoList, todoAppRepo)
        todoRecyclerView.layoutManager = LinearLayoutManager(this)
        todoRecyclerView.adapter = adapter

        // Add To-Do button click
        addTodoButton.setOnClickListener {
            val title = todoTitle.text.toString()
            val description = todoDescription.text.toString()
            val priority = todoPriority.selectedItem.toString()

            if (title.isBlank() || description.isBlank()) {
                Toast.makeText(this, "Please fill in all fields", Toast.LENGTH_SHORT).show()
                return@setOnClickListener
            }

            // Create a new TodoItem
            val newTodo = TodoItem(0, title, description, priority, false)
            val id = todoAppRepo.addTodo(newTodo)
            if (id > 0) {
                val savedTodo = newTodo.copy(id = id.toInt())
                todoList.add(savedTodo)
                adapter.notifyItemInserted(todoList.size - 1)
            }

            todoTitle.text.clear()
            todoDescription.text.clear()
            todoPriority.setSelection(0)
        }
    }
}