Assignment04 Матвеева Виктория

assignments/04/build.gradle.kts

@@ -1,5 +1,4 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
 group = "io.rybalkinsd"
 version = "1.0-SNAPSHOT"
 
@@ -24,6 +23,19 @@ dependencies {
     ktlint("com.github.shyiko", "ktlint", "0.28.0")
 }
 
+val fatJar = task("fatJar", type = Jar::class) {
+    baseName = "${project.name}-fat"
+    manifest {
+        attributes["Main-Class"] = "io.matveyeva.kotlinbootcamp.bullsandcows.MainKt"
+    }
+    from(
+            configurations.runtime.map {
+                if (it.isDirectory) it else zipTree(it)
+            }
+    )
+    with(tasks["jar"] as CopySpec)
+}
+
 tasks {
     val ktlint by creating(JavaExec::class) {
         group = "verification"

assignments/04/src/main/kotlin/io/matveyeva/kotlinbootcamp/bullsandcows/BullsAndCowsApplication.kt

@@ -0,0 +1,37 @@
+package io.matveyeva.kotlinbootcamp.bullsandcows
+
+import java.io.FileNotFoundException
+import java.util.Random
+
+object BullsAndCowsApplication {
+    private const val welcomeText = "Welcome to \"Bulls and Cows\" game!"
+    private val wordList = getWordsList()
+
+    fun execute() {
+        println(welcomeText)
+        while (true) {
+            val hiddenWord = extractWordFromDictionary()
+            println("I offered a ${hiddenWord.length}-letter word, your guess?")
+            Game(hiddenWord).start()
+            var answer: String
+            do {
+                println("Wanna play again? Y/N")
+                answer = readLine()?.toLowerCase() ?: ""
+            } while (answer != "n" && answer != "y")
+            if (answer == "n") return
+            if (answer == "y") continue
+        }
+    }
+
+    private fun getWordsList(): List<String> = try {
+        BullsAndCowsApplication::class.java.getResource("/dictionary.txt").readText().split("\n")
+    } catch (e: FileNotFoundException) {
+        e.printStackTrace()
+        emptyList()
+    }
+
+    private fun extractWordFromDictionary(): String {
+        val indexOfWord = Random().nextInt(wordList.size)
+        return wordList[indexOfWord]
+    }
+}

assignments/04/src/main/kotlin/io/matveyeva/kotlinbootcamp/bullsandcows/Game.kt

@@ -0,0 +1,45 @@
+package io.matveyeva.kotlinbootcamp.bullsandcows
+
+class Game(private val hiddenWord: String) {
+    var attempts = 1
+    var isWon = false
+
+    fun start() {
+        while (attempts <= 10 && !isWon) {
+            print("$attempts attempt > ")
+            val inputWord = readLine() ?: ""
+            if (inputWord.length != hiddenWord.length) {
+                println("Length of your word is not equals ${hiddenWord.length}")
+                continue
+            }
+            attempts++
+            val (bulls, cows) = checkWord(inputWord.toLowerCase())
+            if (bulls == hiddenWord.length) isWon = true
+            println("Bulls: $bulls")
+            println("Cows: $cows")
+        }
+
+        if (attempts > 10) println("Your 10 attempts are spent...:( The hidden word is \"$hiddenWord\"")
+        if (isWon) println("You win!")
+    }
+
+    fun checkWord(inputWord: String): Result {
+        var bulls = 0
+        var cows = 0
+        var droppedInputWord = inputWord
+        val droppedWord = hiddenWord.filterIndexed { index, c ->
+            if (c == inputWord[index]) {
+                bulls++
+                droppedInputWord = droppedInputWord.replaceFirst(c.toString(), "")
+                false
+            } else true
+        }
+
+        droppedWord.forEach { if (droppedInputWord.contains(it)) { cows++
+            droppedInputWord = droppedInputWord.replaceFirst(it.toString(), "") } }
+
+        return Result(bulls, cows)
+    }
+
+    data class Result(val bulls: Int, val cows: Int)
+}

assignments/04/src/main/kotlin/io/matveyeva/kotlinbootcamp/bullsandcows/Main.kt

@@ -0,0 +1,5 @@
+package io.matveyeva.kotlinbootcamp.bullsandcows
+
+fun main(args: Array<String>) {
+    BullsAndCowsApplication.execute()
+}

assignments/04/src/test/kotlin/io/matveyeva/kotlinbootcamp/bullsandcows/Test.kt

@@ -0,0 +1,11 @@
+package io.matveyeva.kotlinbootcamp.bullsandcows
+
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+class Test {
+    @Test
+    fun `same letters in word`() {
+        val result = Game("cetes").checkWord("katee")
+        assertEquals(Game.Result(2, 1), result)
+    }
+}