Implement functionality in SetupActivity

1 files changed, 82 insertions, 1 deletions

diff --git a/app/src/main/java/space/jakob/mines/SetupActivity.kt b/app/src/main/java/space/jakob/mines/SetupActivity.kt
index 002b6e6..61b678c 100644
--- a/app/src/main/java/space/jakob/mines/SetupActivity.kt
+++ b/app/src/main/java/space/jakob/mines/SetupActivity.kt
@@ -12,19 +12,100 @@
 
 package space.jakob.mines
 
+import android.app.AlertDialog
+import android.content.DialogInterface
 import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
 import android.widget.Button
+import android.widget.EditText
 import android.content.Intent
 
+private const val MIN_WIDTH = 8
+private const val MIN_HEIGHT = 8
+private const val MIN_MINES = 10
+private const val MAX_WIDTH = 30
+private const val MAX_HEIGHT = 24
+
 class SetupActivity : AppCompatActivity() {
+    /**
+     * Shows a basic notification dialog with no callbacks.
+     *
+     * @param[message] The message to show in the dialog.
+     */
+    private fun popMessage(message: String) {
+        val builder = AlertDialog.Builder(this)
+        builder.setMessage(message)
+        builder.setNeutralButton(
+            "Okay...",
+            object : DialogInterface.OnClickListener {
+                override fun onClick(dialog: DialogInterface, id: Int) {
+                    dialog.cancel()
+                }
+            }
+        )
+
+        builder.create().show()
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_setup)
 
+        // Inputs
+        val heightEntry = findViewById(R.id.heightEntry) as EditText
+        val widthEntry = findViewById(R.id.widthEntry) as EditText
+        val minesEntry = findViewById(R.id.minesEntry) as EditText
+
+        // Difficulties
+        val selectEasy = findViewById(R.id.selectEasy) as Button
+        val selectIntermediate = findViewById(R.id.selectIntermediate) as Button
+        val selectExpert = findViewById(R.id.selectExpert) as Button
+
+        selectEasy.setOnClickListener {
+            heightEntry.setText("8")
+            widthEntry.setText("8")
+            minesEntry.setText("10")
+        }
+        selectIntermediate.setOnClickListener {
+            heightEntry.setText("16")
+            widthEntry.setText("16")
+            minesEntry.setText("40")
+        }
+        selectExpert.setOnClickListener {
+            heightEntry.setText("16")
+            widthEntry.setText("30")
+            minesEntry.setText("99")
+        }
+
+
         val goButton = findViewById(R.id.goButton) as Button
+
         goButton.setOnClickListener {
-            startActivity(Intent(this, GameActivity::class.java))
+            val width = widthEntry.text.toString().toInt()
+            val height = heightEntry.text.toString().toInt()
+            val mines = minesEntry.text.toString().toInt()
+
+            val maxMines = (width - 1) * (height - 1)
+
+            if (width < MIN_WIDTH) {
+                popMessage("Currently, the minimum allowable width is ${MIN_WIDTH}.")
+            } else if (width > MAX_WIDTH) {
+                popMessage("Currently, the maximum allowable width is ${MAX_WIDTH}.")
+            } else if (height < MIN_HEIGHT) {
+                popMessage("Currently, the minimum allowable height is ${MIN_HEIGHT}.")
+            } else if (height > MAX_HEIGHT) {
+                popMessage("Currently, the maximum allowable height is ${MAX_HEIGHT}.")
+            } else if (mines < MIN_MINES) {
+                popMessage("The number of mines must be at least ${MIN_MINES}.")
+            } else if (mines > maxMines) {
+                popMessage("Seriously, tone it back. That's waaaay too many mines.")
+            } else {
+                startActivity(with (Intent(this, GameActivity::class.java)) {
+                    putExtra("WIDTH", width)
+                    putExtra("HEIGHT", height)
+                    putExtra("MINES", mines)
+                })
+            }
         }
     }
 }