package main

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"os"
)

type Item struct {
	title       string
	description string
}

type Column struct {
	items []Item
}

type Columns struct {
	columns []Column
}

func ReadFile(fileName string) {

	jsonFile, err := os.Open(fileName)

	if err != nil {
		fmt.Println("JSON IO ERROR: " + err.Error())
	}

	fmt.Println("Successfully opened " + fileName)

	defer jsonFile.Close()

	byteValue, _ := ioutil.ReadAll(jsonFile)

	var columns Columns

	// we unmarshal our byteArray which contains our
	// jsonFile's content into 'columns' which we defined above
	json.Unmarshal(byteValue, &columns)

	for i := 0; i < len(columns.columns); i++ {
		for j := 0; j < len(columns.columns[i].items); j++ {
			fmt.Println("Title " + columns.columns[i].items[j].title)
			fmt.Println("Desc " + columns.columns[i].items[j].description)
		}
	}
}