package main

import (
        "fmt"
        "net/http"
        "github.com/jboursiquot/go-proverbs"
        "encoding/json"
        "log"
)

type Proverb struct {
        Saying string `json:"saying"`
        Link string `json:"link"`
}

func HandleProverbJson(w http.ResponseWriter, r *http.Request) {
        randomProverb := proverbs.Random()

        p := Proverb {
                Saying: randomProverb.Saying,
                Link: randomProverb.Link,
        }

        err := json.NewEncoder(w).Encode(p)
        if err != nil {
                http.Error(w, "uups, da ist etwas schief gegangen!", http.StatusInternalServerError)
        }
}

func main() {
        http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
                w.Write([]byte("Hallo Proserve!"))
        })

        // Plain Text Endpunkt
        http.HandleFunc("/text", func(w http.ResponseWriter, r *http.Request) {
                _, err := fmt.Fprintf(w, proverbs.Random().Saying)
                if err != nil {
                        http.Error(w, "uups, da ist etwas schief gegangen!", http.StatusInternalServerError)
                }
        })

        // JSON Endpunkt
        http.HandleFunc("/api", HandleProverbJson)

        err := http.ListenAndServe(":8000", nil)
        if err != nil {
                log.Fatal(err)
        }
}