repositories {
    // Available on Maven Central
    mavenCentral()
    
    // Fallback Repository
    maven("https://maven.martmists.com/releases")
}

dependencies {
    implementation("com.martmists.grapheditor:compose-node-editor:1.0.2")
}

val inputNode = NodeDefinition(
    "Input", 
    ports=listOf(PortDefinition("out", PortKind.Output))  // Nodes are expected to have at least one port
)
val outputNode = NodeDefinition(
    "Output", 
    ports=listOf(PortDefinition("In", PortKind.Input)), 
    properties = listOf(IntProperty("Value", 1, 0, 5))  // Nodes can have properties, which show up in the right sidebar
)
val splitNode = NodeDefinition(
    "Split", 
    ports=listOf(  // Nodes can have both input and output ports, and any number of them
        PortDefinition("In", PortKind.Input), 
        PortDefinition("Out 1", PortKind.Output), 
        PortDefinition("Out 2", PortKind.Output)
    )
)

val allNodes = listOf(inputNode, outputNode, splitNode)

// 1. Create a graph
val graph = Graph<Unit>(allNodes)  // Graphs support storing custom data on nodes, but you can use Unit if you don't need it.

// 2. Add predefined nodes if necessary
val n1 = graph.addNode(inputNode, Offset(100f, 100f))
val n2 = graph.addNode(outputNode, Offset(300f, 200f))

// 3. Add connections if necessary
graph.tryConnect(n1, n1.definition.ports.first(), n2, n2.definition.ports.first())

// 4. Obtain a GraphState and pass it to NodeGraph
singleWindowApplication {
    val state = remember { GraphState(graph) }

    // If you don't want to manually check for updates to the graph state, all changes are published on the `graph.events` Flow.
    // The only exception to this is node names as of right now since they have custom handling.
    LaunchedEffect(Unit) {
        graph.events.collect {
            println(it)
        }
    }
    
    // To customize colors or fonts, you can use the composition-local LocalNodeGraphStyle
    NodeGraph(state)
}