package main
import (
"fmt"
"io/ioutil"
"os"
"encoding/json"
"log"
"net/http"
"math/rand"
"strconv"
)
type Phrase struct {
Phrase string `json:"phrase"`
Mode bool `json:"mode"`
Answer string `json:"answer"`
}
type Phrases struct {
Phrases []Phrase `json:"phrases"`
}
var phrases Phrases
func ParseJSON() {
jsonFile, err := os.Open("phrases.json")
if err != nil {
log.Fatal(err)
}
defer jsonFile.Close()
byteValue, _ := ioutil.ReadAll(jsonFile)
err = json.Unmarshal(byteValue, &phrases)
if err != nil {
log.Fatal(err)
}
}
func requestHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
i := rand.Intn(len(phrases.Phrases))
fmt.Fprintf(w, `
<html><meta charset="UTF-8">
<link rel="stylesheet" href="https://zom.bi/assets/css/foundation.min.css"><body><header class="header"><h2 class="tagline show-for-medium" style="text-align:center; margin-top:2em;">¿subjuntivo o indicativo?</h2></header><div class="row main">%s<br/>
<i>Pon la palabra en la forma adecuada:</i>
<form action="/answer/%d" method="POST">
<input type="text" autocomplete="off" name="answer" />
<input type="submit" value="verifique" />
</form>
</div></body></html>
`, phrases.Phrases[i].Phrase, i)
}
func answerHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
i, err := strconv.Atoi(r.URL.Path[len("/answer/"):])
if err != nil {
log.Fatal(err)
}
p := phrases.Phrases[i]
pageContent := "<meta charset=\"UTF-8\"><html><link rel=\"stylesheet\" href=\"https://zom.bi/assets/css/foundation.min.css\"><body><header class=\"header\"><h2 class=\"tagline show-for-medium\" style=\"text-align:center; margin-top:2em;\">¿subjuntivo o indicativo?</h2></header><div class=\"row main\"><b>" + p.Phrase + "</b><br /"
if p.Mode == true {
pageContent += "<i>aquí nececitamos el subjuntivo:</i><br />"
} else {
pageContent += "<i>aquí nececitamos el indicativo:</i><br />"
}
pageContent += p.Answer + "<br /> tu respuesta estaba "
if r.FormValue("answer") == p.Answer {
pageContent += "<b>correcta!</b> Buen hecho<br />"
} else {
pageContent += "<b>falsa :'-(</b><br />"
}
j := rand.Intn(len(phrases.Phrases)-1)
if j>=i {
j++
}
pageContent+= "<hr /><br />frase nueva: " + phrases.Phrases[j].Phrase + `<br />
<form action="/answer/`+ strconv.Itoa(j) +`" method="POST">
<input type="text" autocomplete="off" name="answer" />
<input type="submit" value="verifique" />
</form>`
pageContent += "</body></html>"
fmt.Fprintf(w,pageContent)
}
func main() {
ParseJSON()
http.HandleFunc("/", requestHandler)
http.HandleFunc("/answer/", answerHandler)
log.Fatal(http.ListenAndServe(":8080", nil))
}