From 7192bbd7fa740f4165e631d9280df8b2e0f8de4b Mon Sep 17 00:00:00 2001
From: aro <pantoine.rochas@gmail.com>
Date: Sun, 13 Nov 2022 23:01:59 +0100
Subject: [PATCH] feat: "state machine"

---
 src/main/kotlin/xyz/atnrch/wrench/Main.kt     | 10 +++--
 .../atnrch/wrench/display/WrenchDisplay.kt    | 28 ++++---------
 .../wrench/display/status/WrenchStatus.kt     | 40 +++++++++++++++++++
 .../scheduler/{FileMover.kt => Watcher.kt}    | 19 +++++----
 4 files changed, 64 insertions(+), 33 deletions(-)
 create mode 100644 src/main/kotlin/xyz/atnrch/wrench/display/status/WrenchStatus.kt
 rename src/main/kotlin/xyz/atnrch/wrench/scheduler/{FileMover.kt => Watcher.kt} (69%)

diff --git a/src/main/kotlin/xyz/atnrch/wrench/Main.kt b/src/main/kotlin/xyz/atnrch/wrench/Main.kt
index caa4ac0..267186e 100644
--- a/src/main/kotlin/xyz/atnrch/wrench/Main.kt
+++ b/src/main/kotlin/xyz/atnrch/wrench/Main.kt
@@ -7,14 +7,18 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
 import xyz.atnrch.wrench.display.WrenchDisplay
-import xyz.atnrch.wrench.scheduler.FileMover
+import xyz.atnrch.wrench.scheduler.Watcher
 
 @Composable
 @Preview
 fun App() {
     MaterialTheme {
-        val fileMover = remember { FileMover() }
-        WrenchDisplay(onStartButtonClick = fileMover::start)
+        val watcher = remember { Watcher() }
+        WrenchDisplay(
+            onStartButtonClick = watcher::start,
+            onStopButtonClick = watcher::stop,
+            onAddButtonClick = {}
+        )
     }
 }
 
diff --git a/src/main/kotlin/xyz/atnrch/wrench/display/WrenchDisplay.kt b/src/main/kotlin/xyz/atnrch/wrench/display/WrenchDisplay.kt
index 0c20f57..c0b1669 100644
--- a/src/main/kotlin/xyz/atnrch/wrench/display/WrenchDisplay.kt
+++ b/src/main/kotlin/xyz/atnrch/wrench/display/WrenchDisplay.kt
@@ -1,34 +1,22 @@
 package xyz.atnrch.wrench.display
 
-import androidx.compose.foundation.layout.*
-import androidx.compose.material.Button
-import androidx.compose.material.Text
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
+import xyz.atnrch.wrench.display.status.WrenchStatus
 
 @Composable
 fun WrenchDisplay(
-    onStartButtonClick: () -> Unit
+    onStartButtonClick: () -> Unit,
+    onStopButtonClick: () -> Unit,
+    onAddButtonClick: () -> Unit
 ) {
     Box(
-        contentAlignment = Alignment.Center,
+        contentAlignment = Alignment.BottomEnd,
         modifier = Modifier.fillMaxSize()
     ) {
-        Row {
-
-            Button(onStartButtonClick) {
-                Text("Watch")
-            }
-            Spacer(Modifier.width(16.dp))
-            Button({}) {
-                Text("Stop")
-            }
-            Spacer(Modifier.width(16.dp))
-            Button({}) {
-                Text("Add...")
-            }
-        }
+        WrenchStatus(onStartButtonClick, onStopButtonClick, onAddButtonClick)
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/xyz/atnrch/wrench/display/status/WrenchStatus.kt b/src/main/kotlin/xyz/atnrch/wrench/display/status/WrenchStatus.kt
new file mode 100644
index 0000000..f4413b3
--- /dev/null
+++ b/src/main/kotlin/xyz/atnrch/wrench/display/status/WrenchStatus.kt
@@ -0,0 +1,40 @@
+package xyz.atnrch.wrench.display.status
+
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.width
+import androidx.compose.material.Button
+import androidx.compose.material.Text
+import androidx.compose.runtime.*
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun WrenchStatus(
+    onStartButtonClick: () -> Unit,
+    onStopButtonClick: () -> Unit,
+    onAddButtonClick: () -> Unit
+) {
+    var status by remember { mutableStateOf(false) }
+    var startStopButtonText by remember { mutableStateOf("Start") }
+
+    Row {
+        Button({
+            status = if (status) {
+                onStopButtonClick.invoke()
+                false
+            } else {
+                onStartButtonClick.invoke()
+                true
+            }
+            startStopButtonText = if (status) "Stop" else "Start"
+        }) {
+            Text(startStopButtonText)
+        }
+        Spacer(Modifier.width(10.dp))
+        Button(onAddButtonClick) {
+            Text("Add...")
+        }
+        Spacer(Modifier.width(10.dp))
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/xyz/atnrch/wrench/scheduler/FileMover.kt b/src/main/kotlin/xyz/atnrch/wrench/scheduler/Watcher.kt
similarity index 69%
rename from src/main/kotlin/xyz/atnrch/wrench/scheduler/FileMover.kt
rename to src/main/kotlin/xyz/atnrch/wrench/scheduler/Watcher.kt
index 9ca9caa..c02648c 100644
--- a/src/main/kotlin/xyz/atnrch/wrench/scheduler/FileMover.kt
+++ b/src/main/kotlin/xyz/atnrch/wrench/scheduler/Watcher.kt
@@ -4,29 +4,28 @@ import kotlinx.coroutines.*
 import kotlinx.coroutines.swing.Swing
 import java.util.concurrent.TimeUnit
 
-class FileMover {
+class Watcher {
+    companion object {
+        var WATCHING = false
+    }
+
     private var coroutineScope = CoroutineScope(Dispatchers.Swing)
-    private var isActive = false
 
     fun start() {
-        if(isActive) return
+        if(WATCHING) return
 
         coroutineScope.launch {
-            this@FileMover.isActive = true
-            while (isActive) {
+            WATCHING = true
+            while (WATCHING) {
                 delay(TimeUnit.SECONDS.toMillis(5))
                 println("Hello world!")
             }
         }
     }
 
-    fun pause() {
-        isActive = false
-    }
-
     fun stop() {
         coroutineScope.cancel()
         coroutineScope = CoroutineScope(Dispatchers.Main)
-        isActive = false
+        WATCHING = false
     }
 }
\ No newline at end of file