refactor: Refactoring class to keep serializable class structure and add more challenge type

Author: ByteAurora

src/main/kotlin/com/github/ilovegamecoding/intellijcodexp/model/CodeXPChallenge.kt

@@ -1,17 +1,76 @@
 package com.github.ilovegamecoding.intellijcodexp.model
 
-data class CodeXPChallenge(
-    val id: String,
-    val name: String,
-    val category: Type,
-    val description: String,
-    val xp: Long,
-    val goal: Long,
-    var isCompleted: Boolean,
-    val onCompletion: () -> Unit
-) {
+/**
+ * CodeXPChallenge class
+ * CodeXPChallenge is a class that represents a challenge. Challenges are used to track the progress of the user.
+ *
+ * @constructor Create empty CodeXPChallenge.
+ */
+class CodeXPChallenge() {
+    /**
+     * Type of challenge.
+     */
+    var type: Int = -1
+
+    /**
+     * Name of challenge.
+     */
+    var name: String = ""
+
+    /**
+     * Description of challenge.
+     */
+    var description: String = ""
+
+    /**
+     * Reward XP of challenge when completed.
+     */
+    var rewardXP: Long = 0L
+
+    /**
+     * Current value of challenge.
+     */
+    var value: Long = 0L
+
+    /**
+     * Goal of challenge.
+     */
+    var goal: Long = 0L
+
+    /**
+     * Constructor for CodeXPChallenge with all parameters.
+     */
+    constructor(
+        type: Int,
+        name: String,
+        description: String,
+        rewardXP: Long,
+        value: Long,
+        goal: Long
+    ) : this() {
+        this.type = type
+        this.name = name
+        this.description = description
+        this.rewardXP = rewardXP
+        this.value = value
+        this.goal = goal
+    }
+
+    /**
+     * Type of challenge.
+     *
+     * !! Do not ever change the order of the enum values. If you want to add a new challenge type, add it to the end of the enum !!
+     */
     enum class Type {
-        XP,
-        ACTION
+        TOTAL_XP,
+        ACTION_COUNT,
+        BUILD_COUNT,
+        DEBUG_COUNT,
+        RUN_COUNT,
+        COMMIT_COUNT,
+        PUSH_COUNT,
+        MERGE_COUNT,
+        PULL_COUNT,
+        TYPING_COUNT,
     }
 }