challenge solved

desafio.kt

@@ -1,21 +1,78 @@
-// [Template no Kotlin Playground](https://pl.kotl.in/WcteahpyN)
+enum class Level { BEGINNER, INTERMEDIATE, ADVANCED }
 
-enum class Nivel { BASICO, INTERMEDIARIO, DIFICIL }
+data class User(
+    val name: String,
+    val email: String,
+    val age: Int
+)
 
-class Usuario
+data class EducationalContent(
+    val name: String,
+    val duration: Int = 60, // Default duration of 60 minutes
+    val author: String
+)
 
-data class ConteudoEducacional(var nome: String, val duracao: Int = 60)
+class Course(
+    val name: String,
+    val level: Level, // Using the Level enum to represent the level
+    var contents: MutableList<EducationalContent> = mutableListOf()
+) {
+    val enrolledStudents = mutableListOf<User>()
 
-data class Formacao(val nome: String, var conteudos: List<ConteudoEducacional>) {
+    fun enroll(user: User) {
+        enrolledStudents.add(user)
+        println("User ${user.name} enrolled in course $name")
+    }
+
+    fun addContent(content: EducationalContent) {
+        contents.add(content)
+        println("Content ${content.name} added to course $name")
+    }
+
+    fun removeContent(content: EducationalContent) {
+        if (contents.remove(content)) {
+            println("Content ${content.name} removed from course $name")
+        } else {
+            println("Content ${content.name} not found in course $name")
+        }
+    }
 
-    val inscritos = mutableListOf<Usuario>()
-
-    fun matricular(usuario: Usuario) {
-        TODO("Utilize o parâmetro $usuario para simular uma matrícula (usar a lista de $inscritos).")
+    fun details() {
+        println("Course: $name")
+        println("Level: $level") // Prints the name of the level (e.g., "INTERMEDIATE")
+        println("Contents:")
+        if (contents.isEmpty()) {
+            println("   No content added yet.")
+        } else {
+            for (content in contents) {
+                println(" - ${content.name} (${content.duration} minutes) - (by ${content.author})")
+            }
+        }
+
+        println("Enrolled Students:")
+        if (enrolledStudents.isEmpty()) {
+            println("   No students enrolled yet.")
+        } else {
+            for (student in enrolledStudents) {
+                println(" - ${student.name} (${student.email})")
+            }
+        }
     }
 }
 
 fun main() {
-    TODO("Analise as classes modeladas para este domínio de aplicação e pense em formas de evoluí-las.")
-    TODO("Simule alguns cenários de teste. Para isso, crie alguns objetos usando as classes em questão.")
+    val user1 = User("Paul", "[email protected]", 35)
+    val user2 = User("Cleber", "[email protected]", 21)
+
+    val content1 = EducationalContent("Introduction to Kotlin", 90, "Professor A")
+    val content2 = EducationalContent("Introduction to Java", 120, "Professor B") // Duration changed to 120 minutes
+
+    val javaCourse = Course("Java Course", Level.INTERMEDIATE)
+    javaCourse.addContent(content1) // Adding the correct contents
+    javaCourse.addContent(content2)
+
+    javaCourse.enroll(user1)
+    javaCourse.enroll(user2)
+
+    javaCourse.details()
 }