From d9b02c847f57a415d606fcc630f8a7ca0a7dc2dc Mon Sep 17 00:00:00 2001
From: Alex Zenla <alex@fork.run>
Date: Thu, 16 Feb 2023 19:31:01 -0800
Subject: [PATCH] dough-core and all of that

---
 dough-core/build.gradle.kts                   | 10 +++++
 .../gay/pizza/dough/core/PlatformSpecific.kt  |  5 +++
 .../pizza/dough/core/time/ClockProvider.kt    |  5 +++
 .../dough/core/time/StaticClockProvider.kt    | 11 +++++
 .../gay/pizza/dough/core/time/UnixTime.kt     | 44 +++++++++++++++++++
 .../gay/pizza/dough/core/JsPlatformType.kt    | 23 ++++++++++
 .../gay/pizza/dough/core/PlatformClock.kt     |  5 +++
 .../pizza/dough/core/StandardClockProvider.kt |  9 ++++
 .../gay/pizza/dough/core/JavaClockProvider.kt |  8 ++++
 .../gay/pizza/dough/core/PlatformSpecific.kt  |  5 +++
 .../pizza/dough/core/UnixTimeExtensions.kt    |  9 ++++
 dough-fs/build.gradle.kts                     | 10 +++++
 .../kotlin/gay/pizza/dough/fs/FsOperations.kt |  4 ++
 .../kotlin/gay/pizza/dough/fs/FsProvider.kt   |  8 ++++
 .../gay/pizza/dough/fs/PlatformSpecific.kt    |  2 +-
 .../gay/pizza/dough/fs/JavaFsOperations.kt    |  7 ++-
 .../gay/pizza/dough/fs/JavaFsProvider.kt      | 14 ++++++
 .../gay/pizza/dough/fs/PlatformSpecific.kt    |  6 +--
 settings.gradle.kts                           |  6 ++-
 19 files changed, 184 insertions(+), 7 deletions(-)
 create mode 100644 dough-core/build.gradle.kts
 create mode 100644 dough-core/src/commonMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt
 create mode 100644 dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/ClockProvider.kt
 create mode 100644 dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/StaticClockProvider.kt
 create mode 100644 dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/UnixTime.kt
 create mode 100644 dough-core/src/jsMain/kotlin/gay/pizza/dough/core/JsPlatformType.kt
 create mode 100644 dough-core/src/jsMain/kotlin/gay/pizza/dough/core/PlatformClock.kt
 create mode 100644 dough-core/src/jsMain/kotlin/gay/pizza/dough/core/StandardClockProvider.kt
 create mode 100644 dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/JavaClockProvider.kt
 create mode 100644 dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt
 create mode 100644 dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/UnixTimeExtensions.kt
 create mode 100644 dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsProvider.kt
 create mode 100644 dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsProvider.kt

diff --git a/dough-core/build.gradle.kts b/dough-core/build.gradle.kts
new file mode 100644
index 0000000..8a5c0bf
--- /dev/null
+++ b/dough-core/build.gradle.kts
@@ -0,0 +1,10 @@
+plugins {
+  dough_component
+}
+
+kotlin {
+  js(IR) {
+    nodejs()
+    browser()
+  }
+}
diff --git a/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt
new file mode 100644
index 0000000..146a4bc
--- /dev/null
+++ b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt
@@ -0,0 +1,5 @@
+package gay.pizza.dough.core
+
+import gay.pizza.dough.core.time.ClockProvider
+
+expect val PlatformClock: ClockProvider
diff --git a/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/ClockProvider.kt b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/ClockProvider.kt
new file mode 100644
index 0000000..e392c81
--- /dev/null
+++ b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/ClockProvider.kt
@@ -0,0 +1,5 @@
+package gay.pizza.dough.core.time
+
+interface ClockProvider {
+  fun now(): UnixTime
+}
diff --git a/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/StaticClockProvider.kt b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/StaticClockProvider.kt
new file mode 100644
index 0000000..2ee21f7
--- /dev/null
+++ b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/StaticClockProvider.kt
@@ -0,0 +1,11 @@
+package gay.pizza.dough.core.time
+
+import gay.pizza.dough.core.PlatformClock
+
+class StaticClockProvider(private val value: UnixTime) : ClockProvider {
+  override fun now(): UnixTime = value
+
+  companion object {
+    fun snapshot(): StaticClockProvider = StaticClockProvider(PlatformClock.now())
+  }
+}
diff --git a/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/UnixTime.kt b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/UnixTime.kt
new file mode 100644
index 0000000..18f0d8b
--- /dev/null
+++ b/dough-core/src/commonMain/kotlin/gay/pizza/dough/core/time/UnixTime.kt
@@ -0,0 +1,44 @@
+package gay.pizza.dough.core.time
+
+import kotlin.jvm.JvmInline
+import kotlin.time.Duration
+import kotlin.time.DurationUnit
+import kotlin.time.toDuration
+
+@JvmInline
+value class UnixTime(val millisecondsSinceEpoch: Long) : Comparable<UnixTime> {
+  operator fun plus(time: UnixTime): UnixTime =
+    UnixTime(millisecondsSinceEpoch + time.millisecondsSinceEpoch)
+
+  operator fun minus(time: UnixTime): UnixTime =
+    UnixTime(millisecondsSinceEpoch - time.millisecondsSinceEpoch)
+
+  operator fun times(time: UnixTime): UnixTime =
+    UnixTime(millisecondsSinceEpoch * time.millisecondsSinceEpoch)
+
+  operator fun div(duration: Duration): UnixTime =
+    UnixTime(millisecondsSinceEpoch / duration.inWholeMilliseconds)
+
+  operator fun rem(time: UnixTime): UnixTime =
+    UnixTime(millisecondsSinceEpoch % time.millisecondsSinceEpoch)
+
+    operator fun plus(duration: Duration): UnixTime =
+    UnixTime(millisecondsSinceEpoch + duration.inWholeMilliseconds)
+
+  operator fun minus(duration: Duration): UnixTime =
+    UnixTime(millisecondsSinceEpoch - duration.inWholeMilliseconds)
+
+  operator fun times(duration: Duration): UnixTime =
+    UnixTime(millisecondsSinceEpoch * duration.inWholeMilliseconds)
+
+  operator fun div(time: UnixTime): UnixTime =
+    UnixTime(millisecondsSinceEpoch / time.millisecondsSinceEpoch)
+
+  operator fun rem(duration: Duration): UnixTime =
+    UnixTime(millisecondsSinceEpoch % duration.inWholeMilliseconds)
+
+  fun toDuration(): Duration = millisecondsSinceEpoch.toDuration(DurationUnit.MILLISECONDS)
+
+  override fun compareTo(other: UnixTime): Int =
+    millisecondsSinceEpoch.compareTo(other.millisecondsSinceEpoch)
+}
diff --git a/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/JsPlatformType.kt b/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/JsPlatformType.kt
new file mode 100644
index 0000000..3e7c887
--- /dev/null
+++ b/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/JsPlatformType.kt
@@ -0,0 +1,23 @@
+package gay.pizza.dough.core
+
+enum class JsPlatformType {
+  Nodejs,
+  Browser,
+  Unknown;
+
+  companion object {
+    fun current(): JsPlatformType {
+      val isWindowAvailable = js("typeof window") != undefined
+      val isProcessAvailable = js("typeof process") != undefined
+
+      if (isProcessAvailable) {
+        return Nodejs
+      }
+
+      if (isWindowAvailable) {
+        return Browser
+      }
+      return Unknown
+    }
+  }
+}
diff --git a/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/PlatformClock.kt b/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/PlatformClock.kt
new file mode 100644
index 0000000..0c620d5
--- /dev/null
+++ b/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/PlatformClock.kt
@@ -0,0 +1,5 @@
+package gay.pizza.dough.core
+
+import gay.pizza.dough.core.time.ClockProvider
+
+actual val PlatformClock: ClockProvider = StandardClockProvider
diff --git a/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/StandardClockProvider.kt b/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/StandardClockProvider.kt
new file mode 100644
index 0000000..0650a59
--- /dev/null
+++ b/dough-core/src/jsMain/kotlin/gay/pizza/dough/core/StandardClockProvider.kt
@@ -0,0 +1,9 @@
+package gay.pizza.dough.core
+
+import gay.pizza.dough.core.time.ClockProvider
+import gay.pizza.dough.core.time.UnixTime
+
+object StandardClockProvider : ClockProvider {
+  override fun now(): UnixTime =
+    UnixTime(js("(new Date()).getTime()") as Long)
+}
diff --git a/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/JavaClockProvider.kt b/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/JavaClockProvider.kt
new file mode 100644
index 0000000..56547bb
--- /dev/null
+++ b/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/JavaClockProvider.kt
@@ -0,0 +1,8 @@
+package gay.pizza.dough.core
+
+import gay.pizza.dough.core.time.ClockProvider
+import gay.pizza.dough.core.time.UnixTime
+
+object JavaClockProvider : ClockProvider {
+  override fun now(): UnixTime = UnixTime(System.currentTimeMillis())
+}
diff --git a/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt b/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt
new file mode 100644
index 0000000..eb7956b
--- /dev/null
+++ b/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/PlatformSpecific.kt
@@ -0,0 +1,5 @@
+package gay.pizza.dough.core
+
+import gay.pizza.dough.core.time.ClockProvider
+
+actual val PlatformClock: ClockProvider = JavaClockProvider
diff --git a/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/UnixTimeExtensions.kt b/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/UnixTimeExtensions.kt
new file mode 100644
index 0000000..0e18e1a
--- /dev/null
+++ b/dough-core/src/jvmMain/kotlin/gay/pizza/dough/core/UnixTimeExtensions.kt
@@ -0,0 +1,9 @@
+package gay.pizza.dough.core
+
+import gay.pizza.dough.core.time.UnixTime
+import java.nio.file.attribute.FileTime
+import java.time.Instant
+
+fun UnixTime.toInstant(): Instant = Instant.ofEpochMilli(millisecondsSinceEpoch)
+fun Instant.toUnixTime(): UnixTime = UnixTime(toEpochMilli())
+fun FileTime.toUnixTime(): UnixTime = toInstant().toUnixTime()
diff --git a/dough-fs/build.gradle.kts b/dough-fs/build.gradle.kts
index e8d6017..51d3b2e 100644
--- a/dough-fs/build.gradle.kts
+++ b/dough-fs/build.gradle.kts
@@ -1,3 +1,13 @@
 plugins {
   dough_component
 }
+
+kotlin {
+  sourceSets {
+    commonMain {
+      dependencies {
+        api(project(":dough-core"))
+      }
+    }
+  }
+}
diff --git a/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsOperations.kt b/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsOperations.kt
index 37d4987..6b2767c 100644
--- a/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsOperations.kt
+++ b/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsOperations.kt
@@ -1,10 +1,12 @@
 package gay.pizza.dough.fs
 
+import gay.pizza.dough.core.time.UnixTime
 import kotlinx.serialization.DeserializationStrategy
 import kotlinx.serialization.SerializationStrategy
 
 interface FsOperations {
   fun exists(path: FsPath): Boolean
+
   fun isDirectory(path: FsPath): Boolean
   fun isRegularFile(path: FsPath): Boolean
   fun isSymbolicLink(path: FsPath): Boolean
@@ -12,6 +14,8 @@ interface FsOperations {
   fun isWritable(path: FsPath): Boolean
   fun isExecutable(path: FsPath): Boolean
 
+  fun lastModified(path: FsPath): UnixTime
+
   fun list(path: FsPath): Sequence<FsPath>
 
   fun walk(path: FsPath): Sequence<FsPath>
diff --git a/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsProvider.kt b/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsProvider.kt
new file mode 100644
index 0000000..7294973
--- /dev/null
+++ b/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/FsProvider.kt
@@ -0,0 +1,8 @@
+package gay.pizza.dough.fs
+
+interface FsProvider {
+  val currentWorkingDirectory: FsPath
+  val operations: FsOperations
+
+  fun resolve(path: String): FsPath
+}
diff --git a/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt b/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt
index 90b4e64..4319a40 100644
--- a/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt
+++ b/dough-fs/src/commonMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt
@@ -1,3 +1,3 @@
 package gay.pizza.dough.fs
 
-expect fun FsPath(path: String): FsPath
+expect val PlatformFsProvider: FsProvider
diff --git a/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsOperations.kt b/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsOperations.kt
index 6426c9b..1aa6a76 100644
--- a/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsOperations.kt
+++ b/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsOperations.kt
@@ -1,5 +1,7 @@
 package gay.pizza.dough.fs
 
+import gay.pizza.dough.core.time.UnixTime
+import gay.pizza.dough.core.toUnixTime
 import kotlinx.serialization.DeserializationStrategy
 import kotlinx.serialization.SerializationStrategy
 import kotlinx.serialization.json.Json
@@ -11,6 +13,7 @@ import kotlin.streams.asSequence
 
 object JavaFsOperations : FsOperations {
   override fun exists(path: FsPath): Boolean = Files.exists(path.toJavaPath())
+
   override fun isDirectory(path: FsPath): Boolean = Files.isDirectory(path.toJavaPath())
   override fun isRegularFile(path: FsPath): Boolean = Files.isRegularFile(path.toJavaPath())
   override fun isSymbolicLink(path: FsPath): Boolean = Files.isSymbolicLink(path.toJavaPath())
@@ -18,10 +21,12 @@ object JavaFsOperations : FsOperations {
   override fun isWritable(path: FsPath): Boolean = Files.isWritable(path.toJavaPath())
   override fun isExecutable(path: FsPath): Boolean = Files.isExecutable(path.toJavaPath())
 
+  override fun lastModified(path: FsPath): UnixTime = Files.getLastModifiedTime(path.toJavaPath()).toUnixTime()
+
   override fun list(path: FsPath): Sequence<FsPath> = Files.list(path.toJavaPath()).asSequence().map { it.toFsPath() }
 
   override fun walk(path: FsPath): Sequence<FsPath> = Files.walk(path.toJavaPath()).asSequence().map { it.toFsPath() }
-  override fun visit(path: FsPath, visitor: FsPathVisitor) =
+  override fun visit(path: FsPath, visitor: FsPathVisitor): Unit =
     Files.walkFileTree(path.toJavaPath(), JavaFsPathVisitorAdapter(visitor)).run {}
 
   override fun readString(path: FsPath): String = Files.readString(path.toJavaPath())
diff --git a/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsProvider.kt b/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsProvider.kt
new file mode 100644
index 0000000..8db58da
--- /dev/null
+++ b/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/JavaFsProvider.kt
@@ -0,0 +1,14 @@
+package gay.pizza.dough.fs
+
+import java.nio.file.FileSystem
+import kotlin.io.path.absolute
+
+class JavaFsProvider(val fileSystem: FileSystem) : FsProvider {
+  override val currentWorkingDirectory: FsPath
+    get() = fileSystem.getPath(".").absolute().toFsPath()
+
+  override val operations: FsOperations = JavaFsOperations
+
+  override fun resolve(path: String): FsPath =
+    fileSystem.getPath(path).toFsPath()
+}
diff --git a/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt b/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt
index 08b4f21..b5cc33a 100644
--- a/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt
+++ b/dough-fs/src/jvmMain/kotlin/gay/pizza/dough/fs/PlatformSpecific.kt
@@ -1,7 +1,5 @@
 package gay.pizza.dough.fs
 
-import java.nio.file.Paths
+import java.nio.file.FileSystems
 
-actual fun FsPath(path: String): FsPath {
-  return JavaPath(Paths.get(path))
-}
+actual val PlatformFsProvider: FsProvider = JavaFsProvider(FileSystems.getDefault())
diff --git a/settings.gradle.kts b/settings.gradle.kts
index d5556d3..7c39e8f 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,2 +1,6 @@
 rootProject.name = "dough"
-include("dough-fs")
+
+include(
+  "dough-core",
+  "dough-fs"
+)