Finalize level API and new Json library

1 files changed, 152 insertions, 0 deletions

diff --git a/src/main/java/net/sowgro/npehero/levelapi/Level.java b/src/main/java/net/sowgro/npehero/levelapi/Level.java
new file mode 100755
index 0000000..218779f
--- /dev/null
+++ b/src/main/java/net/sowgro/npehero/levelapi/Level.java
@@ -0,0 +1,152 @@
+package net.sowgro.npehero.levelapi;
+
+import java.io.*;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import javafx.scene.image.Image;
+import javafx.scene.media.Media;
+import javafx.scene.paint.Color;
+
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.util.Map;
+
+public class Level implements Comparable<Level>{
+
+    public final File dir;
+
+    public String title = "Unnamed";
+    public String artist = "Unknown";
+    public String desc;
+    public Color[] colors = {Color.RED,Color.BLUE,Color.GREEN,Color.PURPLE,Color.YELLOW};
+    public Image preview;
+    public Image background;
+    public Media song;
+
+    public Difficulties difficulties;
+
+    private final File jsonFile;
+    private final Gson jsonParser = new GsonBuilder().serializeNulls().setPrettyPrinting().create();
+
+    /**
+     * Creates a new level
+     * @param newDir The path of the Level
+     * @throws IOException If there is a problem reading the metadata file or loading the difficulties
+     */
+    public Level(File newDir) throws IOException
+    {
+        dir = newDir;
+        jsonFile = new File(dir, "metadata.json");
+        readFiles();
+        readMetadata();
+        difficulties = new Difficulties(this);
+    }
+
+    /**
+     * Check for a song file, background file and preview image file
+     */
+    public void readFiles() {
+
+        File[] fileList = dir.listFiles();
+        if (fileList == null) {
+            return;
+        }
+        for (File file : fileList) {
+            String fileName = file.getName();
+            if (fileName.contains("song")) {
+                song = new Media(file.toURI().toString());
+            }
+            else if (fileName.contains("background")) {
+                background = new Image(file.toURI().toString());
+            }
+            else if (fileName.contains("preview")) {
+                preview = new Image(file.toURI().toString());
+            }
+        }
+
+    }
+
+    /**
+     * Read in metadata file
+     * @throws IOException If there is a problem reading the file
+     */
+    public void readMetadata() throws IOException {
+        if (!jsonFile.exists()) {
+            return;
+        }
+        Map<String, Object> data = jsonParser.fromJson(new FileReader(jsonFile), Map.class);
+        title = (String) data.getOrDefault("title", title);
+        artist = (String) data.getOrDefault("artist", artist);
+        desc = (String) data.getOrDefault("desc", desc);
+        colors[0] = Color.web((String) data.getOrDefault("color1", colors[0].toString()));
+        colors[1] = Color.web((String) data.getOrDefault("color2", colors[1].toString()));
+        colors[2] = Color.web((String) data.getOrDefault("color3", colors[2].toString()));
+        colors[3] = Color.web((String) data.getOrDefault("color4", colors[3].toString()));
+        colors[4] = Color.web((String) data.getOrDefault("color5", colors[4].toString()));
+    }
+
+    /**
+     * Checks if the level is valid.
+     * <p>
+     * A valid level has a song file and 1 or more valid difficulties
+     * @return True if the level is valid
+     */
+    public boolean isValid() {
+        if (song == null) {
+            return false;
+        }
+
+        if (difficulties.getValidList().isEmpty()) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * Writes metadata to json file
+     * @throws IOException If there is a problem writing to the file.
+     */
+    public void writeMetadata() throws IOException {
+        jsonFile.createNewFile();
+        Map<String, Object> data = jsonParser.fromJson(new FileReader(jsonFile), Map.class);
+        data.put("title", title);
+        data.put("artist", artist);
+        data.put("desc", desc);
+        data.put("color1",colors[0].toString());
+        data.put("color2",colors[1].toString());
+        data.put("color3",colors[2].toString());
+        data.put("color4",colors[3].toString());
+        data.put("color5",colors[4].toString());
+        FileWriter fileWriter = new FileWriter(jsonFile);
+        jsonParser.toJson(data, fileWriter);
+        fileWriter.close();
+    }
+
+
+    /**
+     * Copies a file into the level directory with the name provided. The extension will be inherited from the source file
+     * @param source: the file to be copied
+     * @param name: the new file name EXCLUDING the extension.
+     * @throws IOException If there is a problem adding the file
+     */
+    public void addFile(File source, String name) throws IOException {
+        name = name + "." + getFileExtension(source);
+        Files.copy(source.toPath(), new File(dir, name).toPath(), StandardCopyOption.REPLACE_EXISTING);
+        readFiles();
+    }
+
+    @Override
+    public int compareTo(Level other) {
+        return title.compareTo(other.title);
+    }
+
+    /**
+     * Get the extension of a file.
+     * @param file The file to return the extension of
+     * @return The extension of the file in the format "*.ext"
+     */
+    public String getFileExtension(File file) {
+        return file.getName().substring(file.getName().lastIndexOf('.') + 1);
+    }
+}