import com.skanga.*;
import com.skanga.MAMLValue.*;

// Parse from string
String maml = """
    {
        name: "John Doe"
        age: 30
        email: "john@example.com"
        active: true
        roles: ["admin", "user"]
    }
    """;

MAMLValue value = MAML.parse(maml);

// Access values
MAMLObject obj = (MAMLObject) value;
String name = ((MAMLString) obj.get("name")).value();
long age = ((MAMLInteger) obj.get("age")).value();
boolean active = ((MAMLBoolean) obj.get("active")).value();

// Parse from file
MAMLValue fileValue = MAML.parseFile("config.maml");

import com.skanga.*;

MAMLValue config = MAMLBuilder.object()
    .put("database", MAMLBuilder.object()
        .put("host", "localhost")
        .put("port", 5432)
        .put("name", "mydb")
        .build())
    .put("features", MAMLBuilder.array()
        .add("auth")
        .add("logging")
        .add("metrics")
        .build())
    .put("debug", false)
    .build();

import com.skanga.*;

MAMLValue value = MAMLBuilder.object()
    .put("name", "Alice")
    .put("score", 95.5)
    .build();

// Pretty-print (default)
MAMLSerializer serializer = new MAMLSerializer();
String maml = serializer.serialize(value);
System.out.println(maml);
// Output:
// {
//   name: "Alice"
//   score: 95.5
// }

// Compact format
MAMLSerializer compact = new MAMLSerializer(false, 0);
String compactMaml = compact.serialize(value);
System.out.println(compactMaml);
// Output: {name:"Alice",score:95.5}

MAMLObject obj = (MAMLObject) MAML.parse(maml);

// Check if key exists
if (obj.containsKey("email")) {
    MAMLValue email = obj.get("email");
}

// Get array elements
MAMLArray arr = (MAMLArray) obj.get("items");
for (int i = 0; i < arr.size(); i++) {
    MAMLValue item = arr.get(i);
    // Process item
}

// Type checking
MAMLValue val = obj.get("someKey");
switch (val) {
    case MAMLString s -> System.out.println("String: " + s.value());
    case MAMLInteger i -> System.out.println("Integer: " + i.value());
    case MAMLFloat f -> System.out.println("Float: " + f.value());
    case MAMLBoolean b -> System.out.println("Boolean: " + b.value());
    case MAMLNull n -> System.out.println("Null");
    case MAMLObject o -> System.out.println("Object with " + o.size() + " keys");
    case MAMLArray a -> System.out.println("Array with " + a.size() + " elements");
}

try {
    MAMLValue value = MAML.parse(invalidMaml);
} catch (MAMLException e) {
    System.err.println(e.getMessage());
    // Example: "Unexpected character: '@' at line 5, column 12"
    
    System.err.println("Line: " + e.getLine());
    System.err.println("Column: " + e.getColumn());
}

MAMLObject config = (MAMLObject) MAML.parseFile("config.maml");

// Access nested values
MAMLObject app = (MAMLObject) config.get("app");
String appName = ((MAMLString) app.get("name")).value();

// Access database config
MAMLObject db = (MAMLObject) config.get("database");
long port = ((MAMLInteger) db.get("port")).value();

// Access array
MAMLArray features = (MAMLArray) config.get("features");
for (int i = 0; i < features.size(); i++) {
    String feature = ((MAMLString) features.get(i)).value();
    System.out.println("Feature: " + feature);
}

MAMLValue user = MAMLBuilder.object()
    .put("id", 12345)
    .put("username", "alice")
    .put("profile", MAMLBuilder.object()
        .put("firstName", "Alice")
        .put("lastName", "Smith")
        .put("age", 28)
        .put("bio", """
            Software engineer with a passion
            for building great products.
            """)
        .build())
    .put("permissions", MAMLBuilder.array()
        .add("read")
        .add("write")
        .add("admin")
        .build())
    .put("verified", true)
    .put("lastLogin", MAMLBuilder.object()
        .put("timestamp", 1634567890)
        .put("ipAddress", "192.168.1.100")
        .build())
    .build();

// Serialize to MAML
MAMLSerializer serializer = new MAMLSerializer();
String maml = serializer.serialize(user);
System.out.println(maml);