package main

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net/http"
	"net/url"
)

const wikipediaAPI = "https://en.wikipedia.org/w/api.php"

type QueryResponse struct {
	Batchcomplete string `json:"batchcomplete"`
	Query         struct {
		Pages map[string]struct {
			Pageid  int    `json:"pageid"`
			Ns      int    `json:"ns"`
			Title   string `json:"title"`
			Content string `json:"content"`
		} `json:"pages"`
	} `json:"query"`
}

// - ID: 824303964, Parent ID: 824303909, User: 204.122.110.237, UserID: 0, Timestamp: 2018-02-06T15:26:48Z, Comment: /* Physical properties */
// - ID: 824303909, Parent ID: 824303854, User: CLCStudent, UserID: 0, Timestamp: 2018-02-06T15:26:21Z, Comment: Reverted 1 edit by [[Special:Contributions/204.122.110.237|204.122.110.237]] ([[User talk:204.122.110.237|talk]]) to last revision by Onel5969. ([[WP:TW|TW]])
// - ID: 824303854, Parent ID: 824287944, User: 204.122.110.237, UserID: 0, Timestamp: 2018-02-06T15:26:01Z, Comment: /* Zinc(II) compounds */
// - ID: 824287944, Parent ID: 821850427, User: Onel5969, UserID: 0, Timestamp: 2018-02-06T13:21:44Z, Comment: Disambiguating links to [[Poppy]] (link changed to [[Poppy (flower)]]) using [[User:Qwertyytrewqqwerty/DisamAssist|DisamAssist]].


func main() {
	params := url.Values{}
	params.Set("action", "query")
	params.Set("format", "json")
	params.Set("prop", "revisions")
	params.Set("titles", "Zinc")
	params.Set("rvprop", "content")
	params.Set("rvslots", "main")
	params.Set("rvlimit", "1")
	params.Set("revids", "824287944")

	url := fmt.Sprintf("%s?%s", wikipediaAPI, params.Encode())

	resp, err := http.Get(url)
	if err != nil {
		fmt.Printf("Error making request: %v\n", err)
		return
	}
	defer resp.Body.Close()

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		fmt.Printf("Error reading response: %v\n", err)
		return
	}

	var queryResponse QueryResponse
	err = json.Unmarshal(body, &queryResponse)
	if err != nil {
		fmt.Printf("Error unmarshalling JSON: %v\n", err)
		return
	}

	for _, page := range queryResponse.Query.Pages {
		fmt.Printf("Content for '%s' (revision ID: 825282998):\n\n", page.Title)
		fmt.Println(page.Content)
	}
}