package main

import (
  "github.com/harlock/goson"
  "fmt"
)

type User struct {
  Id int
  Name string
}

type Comment struct {
  Id int
  Content string
  Author User
}

type Post struct {
  Id int
  Content string
  Author User
  Comments []Comment
}


func main() {
  post := Post{Id: 1, Content: "blah blah"}
  post.Author = User{Id: 1, Name: "User1"}
  comment1 := Comment{Id: 1, Content: "Some comment"}
  comment1.Author = User{Id:2, Name:"User2"}
  comment2 := Comment{Id: 2, Content: "Other comment"}
  comment2.Author = User{Id:3, Name:"User3"}
  post.Comments = []Comment{comment1, comment2}

  // Crete a goson hash, and add the field Id
  hash := goson.Hash(post, "Id")
  // Add another field
  hash.Method("Content")

  // Add a hash with the user
  hash.Hash("Author", "Id", "Name")

  // Add array with comments
  comments := hash.Array("Comments", "Id", "Content")
  // And add a hash with info about the user
  comments.HashAlias("Author", "user", "Id", "Name")

  // Print the generated json
  json, _ := hash.ToJson()
  fmt.Printf("\n%s\n", json)


  // Or generate a json array
  other_post := Post{Id: 2, Content: "blah blah blah blah"}
  other_post.Author = User{Id: 4, Name: "User4"}
  other_comment1 := Comment{Id: 3, Content: "Some comment for other post"}
  other_comment1.Author = User{Id:5, Name:"User2"}
  other_comment2 := Comment{Id: 4, Content: "Other comment for other post"}
  other_comment2.Author = User{Id:6, Name:"User6"}
  other_post.Comments = []Comment{other_comment1, other_comment2}


  // Crete a goson hash, and add the field Id
  array := goson.Array([]Post{post, other_post}, "Id")

  // Add an alias
  array.Alias("text", "Content")

  // Add a hash with the user
  array.Hash("Author", "Id", "Name")

  // Add array alias
  array.ArrayAlias("Comments", "com", "Id", "Content").HashAlias("Author", "user", "Id", "Name")

  // Print the generated json
  json, _ = array.ToJson()
  fmt.Printf("\n%s\n", json)
}