From 52157ee0e7f3d4dca66a32a71c3d597dac5c881a Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Wed, 24 Jul 2024 00:34:49 +0600
Subject: [PATCH] start moving to kotlinx-io

---
 common/build.gradle                           |  1 +
 .../dev/inmo/micro_utils/common/MPPFile.kt    | 35 ++++++++++++++++---
 gradle/libs.versions.toml                     |  3 ++
 3 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/common/build.gradle b/common/build.gradle
index 01489bbf4f1..d4fc46ec83d 100644
--- a/common/build.gradle
+++ b/common/build.gradle
@@ -11,6 +11,7 @@ kotlin {
         commonMain {
             dependencies {
                 api libs.klock
+                api libs.kt.io
             }
         }
         jvmMain {
diff --git a/common/src/commonMain/kotlin/dev/inmo/micro_utils/common/MPPFile.kt b/common/src/commonMain/kotlin/dev/inmo/micro_utils/common/MPPFile.kt
index 7aef8ed8c9a..fd397e0d811 100644
--- a/common/src/commonMain/kotlin/dev/inmo/micro_utils/common/MPPFile.kt
+++ b/common/src/commonMain/kotlin/dev/inmo/micro_utils/common/MPPFile.kt
@@ -1,5 +1,11 @@
 package dev.inmo.micro_utils.common
 
+import kotlinx.io.Buffer
+import kotlinx.io.Source
+import kotlinx.io.buffered
+import kotlinx.io.files.Path
+import kotlinx.io.files.SystemFileSystem
+import kotlinx.io.readByteArray
 import kotlinx.serialization.Serializable
 import kotlin.jvm.JvmInline
 
@@ -23,12 +29,31 @@ value class FileName(val string: String) {
 }
 
 
-expect class MPPFile
+typealias MPPFile = Path
 
-expect val MPPFile.filename: FileName
-expect val MPPFile.filesize: Long
-expect val MPPFile.bytesAllocatorSync: ByteArrayAllocator
-expect val MPPFile.bytesAllocator: SuspendByteArrayAllocator
+val MPPFile.filename: FileName
+    get() = FileName(name)
+val MPPFile.filesize: Long
+    get() = SystemFileSystem.metadataOrNull(this) ?.size ?.takeIf { it > -1 } ?: error("Path $filename does not exists or is folder")
+val MPPFile.bytesAllocatorSync: ByteArrayAllocator
+    get() = {
+        source().readByteArray()
+    }
+val MPPFile.bytesAllocator: SuspendByteArrayAllocator
+    get() = {
+        bytesAllocatorSync()
+    }
 fun MPPFile.bytesSync() = bytesAllocatorSync()
 suspend fun MPPFile.bytes() = bytesAllocator()
 
+fun MPPFile.source(): Source = SystemFileSystem.source(this).buffered()
+
+
+//expect class MPPFile
+//
+//expect val MPPFile.filename: FileName
+//expect val MPPFile.filesize: Long
+//expect val MPPFile.bytesAllocatorSync: ByteArrayAllocator
+//expect val MPPFile.bytesAllocator: SuspendByteArrayAllocator
+//fun MPPFile.bytesSync() = bytesAllocatorSync()
+//suspend fun MPPFile.bytes() = bytesAllocator()
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 84313b0b175..e68dec8a2d6 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,6 +4,8 @@ kt = "1.9.23"
 kt-serialization = "1.6.3"
 kt-coroutines = "1.8.1"
 
+kt-io = "0.5.1"
+
 kslog = "1.3.4"
 
 jb-compose = "1.6.2"
@@ -53,6 +55,7 @@ kt-coroutines = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", vers
 kt-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kt-coroutines" }
 kt-coroutines-test = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "kt-coroutines" }
 
+kt-io = { module = "org.jetbrains.kotlinx:kotlinx-io-core", version.ref = "kt-io" }
 
 ktor-io = { module = "io.ktor:ktor-io", version.ref = "ktor" }
 ktor-serialization-kotlinx-json = { module = "io.ktor:ktor-serialization-kotlinx-json", version.ref = "ktor" }