commit dfb9b6834031f08f01dc0ed77b095e59e93cadf3
Author: TooMuchRAM <me@toomuchram.net>
Date:   Tue Apr 5 03:22:40 2022 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3ed8280
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/.idea/
+/build/
+/.gradle/
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..3a02c90
--- /dev/null
+++ b/README.md
@@ -0,0 +1,13 @@
+# FLAC Freezer Fixer
+Fix the metadata Deezer failed to fix. Now in Kotlin.
+
+## Building
+```bash
+./gradlew shadowJar
+```
+The jar file can then be found in `build/libs/`.
+
+## Usage
+```bash
+java -jar FLACFreezerFixer.jar <directory> [--dry-run]
+```
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 0000000..edfba18
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,34 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+buildscript {
+    repositories {
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    kotlin("jvm") version "1.6.10"
+    application
+
+    id("com.github.johnrengelman.shadow") version "7.1.2"
+    id("java")
+}
+
+group = "net.toomuchram"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation("org:jaudiotagger:2.0.3")
+}
+
+tasks.withType<KotlinCompile> {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+application {
+    mainClass.set("MainKt")
+}
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..7fc6f1f
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1 @@
+kotlin.code.style=official
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..7454180
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..05679dc
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..744e882
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MSYS* | MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..107acd3
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle.kts b/settings.gradle.kts
new file mode 100644
index 0000000..690efc9
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1,3 @@
+
+rootProject.name = "FLACFreezerFixer"
+
diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
new file mode 100644
index 0000000..8648a63
--- /dev/null
+++ b/src/main/kotlin/Main.kt
@@ -0,0 +1,6 @@
+import flacfixer.TUI
+
+fun main(args: Array<String>) {
+    val tui = TUI(args)
+    tui.initialise()
+}
\ No newline at end of file
diff --git a/src/main/kotlin/flacfixer/TUI.kt b/src/main/kotlin/flacfixer/TUI.kt
new file mode 100644
index 0000000..1be546d
--- /dev/null
+++ b/src/main/kotlin/flacfixer/TUI.kt
@@ -0,0 +1,221 @@
+package flacfixer
+
+import flacfixer.fixes.*
+import org.jaudiotagger.audio.exceptions.CannotReadException
+import org.jaudiotagger.tag.FieldKey
+import java.io.File
+import java.io.FileNotFoundException
+import java.util.logging.Level
+import java.util.logging.Logger
+import kotlin.system.exitProcess
+
+
+class TUI (private val args: Array<String>) {
+    private var yesToAutomaticFix = false
+
+    fun initialise() {
+
+        setLogLevel()
+
+        println("Welcome to FLAC Freezer fixer!")
+        if (args.isEmpty()) {
+            println("Syntax: java -jar flacfreezerfixer.jar <directory>")
+            exitProcess(0)
+        }
+
+        val dryRun = args.contains("--dry-run")
+
+        println("Working directory: ${args[0]}")
+        if (dryRun) {
+            println("DRY RUN")
+        }
+
+        mainLoop(args[0], dryRun)
+    }
+
+    private fun mainLoop(dir: String, dry: Boolean) {
+        while (true) {
+            println("=======")
+            println("0: List all files")
+            println("1: Fix duplicate artists")
+            println("2: Fix album artist folder")
+            println("3: Replace in tags")
+            println("4: Fix artist in filename")
+            println("Everything else: exit")
+
+            print("> ")
+
+            when (readln().trim()) {
+                "0" -> {
+                    listAllFiles(dir)
+                }
+                "1" -> {
+                    fixDuplicateArtists(dir, dry)
+                }
+                "2" -> {
+                    fixAlbumArtistFolder(dir, dry)
+                }
+                "3" -> {
+                    replaceInTags(dir, dry)
+                }
+                "4" -> {
+                    fixArtistFilename(dir, dry)
+                }
+                else -> {
+                    exitProcess(0)
+                }
+            }
+        }
+    }
+
+    /**
+     * FIXES
+     */
+
+    private fun listAllFiles(dir: String) {
+        File(dir).walkTopDown().forEach {
+            if (it.extension == "flac" || it.extension == "mp3")
+                println(it.absolutePath)
+        }
+
+        println("Done!")
+    }
+
+    private fun fixDuplicateArtists(dir: String, dry: Boolean) {
+        fixDirectory(dir) { file ->
+            return@fixDirectory runFix(ArtistFix(file, FieldKey.ARTIST), dry)
+        }
+    }
+
+    private fun fixAlbumArtistFolder(dir: String, dry: Boolean) {
+        fixDirectory(dir) { file ->
+            return@fixDirectory runFix(
+                FolderFix(file),
+                dry
+            )
+        }
+        println("You should probably delete empty directories")
+        println("Sample command: find $dir -empty -type d -delete")
+    }
+
+    private fun replaceInTags(dir: String, dry: Boolean) {
+        print("What should be replaced? ")
+        val targetString = readln()
+        print("What should it be replaced with? ")
+        val replaceString  = readln()
+
+        val fieldKey: FieldKey
+        do {
+            print("Should we look in [1] artist, [2] album artist or [3] song title? ")
+            when (readln()) {
+                "1" -> {
+                    fieldKey = FieldKey.ARTIST
+                    break
+                }
+                "2" -> {
+                    fieldKey = FieldKey.ALBUM_ARTIST
+                    break
+                }
+                "3" -> {
+                    fieldKey = FieldKey.ALBUM_ARTIST
+                    break
+                }
+                else -> {
+                    println("Please input 1, 2 or 3")
+                    continue
+                }
+            }
+        } while (true)
+
+        fixDirectory(dir) { file ->
+            return@fixDirectory runFix(
+                ReplaceFix(file, fieldKey, targetString, replaceString),
+                dry
+            )
+        }
+    }
+
+    private fun fixArtistFilename(dir: String, dry: Boolean) {
+        fixDirectory(dir) { file ->
+            return@fixDirectory runFix(FilenameFix(file), dry)
+        }
+    }
+
+    /**
+     * Fix all files in a directory
+     * @param dir The directory to run in
+     * @param function The fix function, which is given a file and returns if fixDirectory should keep going
+     */
+    private fun fixDirectory(dir:String, function: (file: File) -> Boolean) {
+        yesToAutomaticFix = false
+        for (it in File(dir).walkTopDown()) {
+            if (it.extension == "flac" || it.extension == "mp3") {
+                try {
+                    if (!function(it)) {
+                        break
+                    }
+                } catch (e: CannotReadException) {
+                    println("Could not open file: " + it.absolutePath)
+                } catch (e: FileNotFoundException) {
+                    println("Could not open file (probably due to Unicode characters): ${it.absolutePath}")
+                }
+            }
+        }
+    }
+
+
+    /**
+     * Run the specified fix, in the same way every time
+     * @param fix The fix to be ran, which is an implementation of the interface Fix
+     * @param dry Do a dry run
+     * @return Boolean indicating whether to continue on or break the loop
+     */
+    private fun runFix(fix: Fix, dry: Boolean): Boolean {
+        if (fix.isFixNeeded()) {
+            println("----")
+            println("File: " + fix.file.absolutePath)
+            println(fix.getFixReason())
+            print("Fix? [(y)es/(m)anually/(N)o] ")
+            val line = if (yesToAutomaticFix) {
+                print("\n")
+                "a"
+            } else {
+                readln().trim()
+            }
+
+            if (line == "q") {
+                return false
+            }
+
+            if (line == "All") {
+                yesToAutomaticFix = true
+            }
+
+            if (line == "y" || line == "Y" || yesToAutomaticFix) {
+                println("Automatically fixing...")
+                val newValue = fix.automaticFix()
+                println("New value: $newValue")
+                if (!dry)
+                    fix.manualFix(newValue)
+            }
+            if (line == "m" || line == "M") {
+                println("Please enter a new value here: ")
+                val newValue = readln()
+                println("New value: $newValue")
+                if (!dry)
+                    fix.manualFix(newValue)
+            }
+        }
+        return true
+    }
+
+    private fun setLogLevel() {
+        val targetLevel = Level.WARNING
+        val root: Logger = Logger.getLogger("")
+        root.level = targetLevel
+        for (handler in root.handlers) {
+            handler.level = targetLevel
+        }
+        println("level set: " + targetLevel.name)
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/flacfixer/fixes/ArtistFix.kt b/src/main/kotlin/flacfixer/fixes/ArtistFix.kt
new file mode 100644
index 0000000..9a58a76
--- /dev/null
+++ b/src/main/kotlin/flacfixer/fixes/ArtistFix.kt
@@ -0,0 +1,58 @@
+package flacfixer.fixes
+
+import org.jaudiotagger.audio.AudioFile
+import org.jaudiotagger.audio.AudioFileIO
+import org.jaudiotagger.tag.FieldKey
+import java.io.File
+
+class ArtistFix(override val file: File, override val field: FieldKey) : Fix{
+
+    override val audioFile: AudioFile = AudioFileIO.read(file)
+
+    private val ARTIST_WHITELIST = listOf("D-block & S-te-fan", "Jeckyll & Hyde", "Streiks & Kratchs", "Josh & Wesz", "Degos & Re-Done", "Harris & Ford", "Dimitri Vegas & Like Mike")
+
+    override fun getFixReason(): String {
+        return "Suspicious ${field.name}: " + audioFile.tag.getFirst(field)
+    }
+
+    override fun isFixNeeded(): Boolean {
+        val artists = audioFile.tag.getFirst(field)
+
+
+        val artistArray = artists.split(", ")
+        artistArray.forEachIndexed { index, artist ->
+            if (artist.contains(" and ") || artist.contains("feat") || artist.contains("/") || (artist.contains(" & ") && !ARTIST_WHITELIST.contains(artist))) {
+                return true
+            }
+
+            artistArray.forEachIndexed { index2, artist2 ->
+                if ((artist.contains(artist2) || artist2.contains(artist)) && index != index2)
+                    return true
+            }
+        }
+
+        return false
+    }
+
+    override fun automaticFix(): String {
+        val artists = audioFile.tag.getFirst(field).replace("/", ", ")
+
+        val artistArray = artists.split(", ")
+
+        val newArtists = mutableListOf<String>()
+        artistArray.forEach { artist ->
+            var result = true
+            for (x in newArtists) {
+                if (x.contains(artist)) {
+                    result = false
+                }
+            }
+
+            if (result) {
+                newArtists.add(artist)
+            }
+        }
+
+        return newArtists.joinToString(", ")
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/flacfixer/fixes/FilenameFix.kt b/src/main/kotlin/flacfixer/fixes/FilenameFix.kt
new file mode 100644
index 0000000..5469891
--- /dev/null
+++ b/src/main/kotlin/flacfixer/fixes/FilenameFix.kt
@@ -0,0 +1,42 @@
+package flacfixer.fixes
+
+import org.jaudiotagger.audio.AudioFile
+import org.jaudiotagger.audio.AudioFileIO
+import org.jaudiotagger.tag.FieldKey
+import java.io.File
+
+class FilenameFix(override val file: File) : Fix {
+    override val field: FieldKey = FieldKey.ARTIST
+    override val audioFile: AudioFile = AudioFileIO.read(file)
+
+
+    override fun getFixReason(): String {
+        return "Artist in filename is not the same as in the metadata (${audioFile.tag.getFirst(field)})"
+    }
+
+    override fun isFixNeeded(): Boolean {
+        val artist = audioFile.tag.getFirst(field)
+        val filename = file.nameWithoutExtension
+        val split = filename.split(" - ")
+        if (split.count() < 2) {
+            return false
+        }
+        val filenameArtist = split[0]
+        return artist != filenameArtist
+    }
+
+    override fun automaticFix(): String {
+        return audioFile.tag.getFirst(field)
+    }
+
+    override fun manualFix(newValue: String) {
+        val filename = file.name
+        val split = filename.split(" - ")
+
+
+        val newFilename = "$newValue - ${split.subList(1, split.count()).joinToString(" - ")}"
+        val newFile = File(file.parent + "/" + newFilename)
+
+        file.renameTo(newFile)
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/flacfixer/fixes/Fix.kt b/src/main/kotlin/flacfixer/fixes/Fix.kt
new file mode 100644
index 0000000..414d400
--- /dev/null
+++ b/src/main/kotlin/flacfixer/fixes/Fix.kt
@@ -0,0 +1,27 @@
+package flacfixer.fixes
+
+import org.jaudiotagger.audio.AudioFile
+import org.jaudiotagger.audio.exceptions.CannotWriteException
+import org.jaudiotagger.tag.FieldKey
+import java.io.File
+
+interface Fix {
+    val file: File
+    val field: FieldKey
+    
+    val audioFile: AudioFile
+
+    fun getFixReason(): String
+    fun isFixNeeded(): Boolean
+
+    fun automaticFix(): String
+    fun manualFix(newValue: String) {
+        audioFile.tag.deleteField(field)
+        audioFile.tag.setField(field, newValue)
+        try {
+            audioFile.commit()
+        } catch (e: CannotWriteException) {
+            println("ERROR: Could not write file!")
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/flacfixer/fixes/FolderFix.kt b/src/main/kotlin/flacfixer/fixes/FolderFix.kt
new file mode 100644
index 0000000..c72565e
--- /dev/null
+++ b/src/main/kotlin/flacfixer/fixes/FolderFix.kt
@@ -0,0 +1,51 @@
+package flacfixer.fixes
+
+import org.jaudiotagger.audio.AudioFile
+import org.jaudiotagger.audio.AudioFileIO
+import org.jaudiotagger.tag.FieldKey
+import java.io.File
+import java.nio.file.Files
+
+class FolderFix(override val file: File) : Fix {
+
+    override val audioFile: AudioFile = AudioFileIO.read(file)
+    override val field: FieldKey = FieldKey.ALBUM_ARTIST
+
+    override fun getFixReason(): String {
+        val directory = audioFile.file.parentFile.parent.split("/").last()
+        val tags = audioFile.tag.getFirst(field)
+        return "Parent directory $directory is not the same as ${field.name} $tags"
+    }
+
+    override fun isFixNeeded(): Boolean {
+        val directory = audioFile.file.parentFile.parent.split("/").last()
+        val tags = audioFile.tag.getFirst(field)
+        if (tags == "") {
+            println("Field is EMPTY for file " + audioFile.file.absolutePath)
+            return false
+        }
+        return directory != tags
+    }
+
+    override fun automaticFix(): String {
+        return audioFile.tag.getFirst(field)
+    }
+
+    override fun manualFix(newValue: String) {
+        // Check if the directory already exists
+        val parentParent = audioFile.file.parentFile.parentFile.parentFile
+        val album = audioFile.file.parent.split("/").last()
+        val newDirectory = parentParent.resolve("$newValue/$album")
+        // If not, create it
+        if (!newDirectory.exists()) {
+            newDirectory.mkdirs()
+        }
+
+        Files.move(
+            audioFile.file.toPath(),
+            newDirectory.resolve(
+                file.absolutePath.split("/").last()
+            ).toPath()
+        )
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/flacfixer/fixes/ReplaceFix.kt b/src/main/kotlin/flacfixer/fixes/ReplaceFix.kt
new file mode 100644
index 0000000..e60feb9
--- /dev/null
+++ b/src/main/kotlin/flacfixer/fixes/ReplaceFix.kt
@@ -0,0 +1,31 @@
+package flacfixer.fixes
+
+import org.jaudiotagger.audio.AudioFile
+import org.jaudiotagger.audio.AudioFileIO
+import org.jaudiotagger.tag.FieldKey
+import java.io.File
+
+class ReplaceFix(
+    override val file: File,
+    override val field: FieldKey,
+    private val targetString: String,
+    private val replaceString: String
+) : Fix {
+
+    override val audioFile: AudioFile = AudioFileIO.read(file)
+
+    override fun getFixReason(): String {
+        val tags = audioFile.tag.getFirst(field)
+        return field.name + " ($tags) includes $targetString"
+    }
+
+    override fun isFixNeeded(): Boolean {
+        val tags = audioFile.tag.getFirst(field)
+        return tags.contains(targetString)
+    }
+
+    override fun automaticFix(): String {
+        val original = audioFile.tag.getFirst(field)
+        return original.replace(targetString, replaceString)
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/logging.properties b/src/main/resources/logging.properties
new file mode 100644
index 0000000..8249eda
--- /dev/null
+++ b/src/main/resources/logging.properties
@@ -0,0 +1,2 @@
+handlers= java.util.logging.ConsoleHandler
+org.jaudiotagger.level = WARNING
\ No newline at end of file