package main

import (
	"fmt"
	"os"
)

const (
	Node int = 2708
	Edge int = 5429
)

var (
	labelName = []string{
		"Case_Based",
		"Genetic_Algorithms",
		"Neural_Networks",
		"Probabilistic_Methods",
		"Reinforcement_Learning",
		"Rule_Learning",
		"Theory",
	}
	labelCnt = make([]int, len(labelName))

	nodeId = make([]int, 0)
)

func main() {
	file, err := os.Open("cora/cora.content")
	if err != nil {
		panic(err)
	}
	G := MakeGraph()
	for i := 0; i < Node; i++ {
		if i%1000 == 0 {
			fmt.Println("reading node", i)
		}
		var u int
		fmt.Fscan(file, &u)
		V := MakeVector(Input)
		for j := 0; j < Input; j++ {
			fmt.Fscan(file, &V[j])
		}
		var label string
		fmt.Fscan(file, &label)
		for j := 0; j < Output; j++ {
			if labelName[j] == label {
				if labelCnt[j] < 20 {
					G.AddNode(u, V, j)
					nodeId = append(nodeId, u)
				} else {
					G.AddNode(u, V, j+Output)
				}
				labelCnt[j]++
				break
			}
		}
	}
	file.Close()
	fmt.Println(labelCnt)
	file, err = os.Open("cora/cora.cites")
	if err != nil {
		panic(err)
	}
	for i := 0; i < Edge; i++ {
		var u, v int
		fmt.Fscan(file, &u, &v)
		G.AddEdge(v, u)
	}
	file.Close()
	l := Train(G)
	Test(G, l, true)
}