package main

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


type Podcasts struct {
    URL        string    `json:"url"`
    Title      string    `json:"title"`
    Date       time.Time `json:"date"`
    Categories []string  `json:"categories"`
    Image      string    `json:"image,omitempty"`
    FileName   string    `json:"file_name,omitempty"`
    Body       string    `json:"body"`
    ShowNotes  string    `json:"show_notes,omitempty"`
    AudioUrl   string    `json:"audio_url"`
    TimeLabels []TimeLabels
    ShowNum    int       `json:"show_num,omitempty"`
}

type TimeLabels struct {
    Topic      string    `json:"topic,omitempty"`
    Time       time.Time `json:"time,omitempty"`
    Duration   int       `json:"duration,omitempty"`
}


func main() {
    var lines []string
    fmt.Println(getRadioTThemes(1))
    for _, podcast := range getRadioTThemes(5) {
        lines = append(lines, fmt.Sprintf("[%s](%s) %s\n %s\n\n",
            podcast.Title,
            podcast.URL,
            podcast.Date.Format("2006-01-02"),
            podcast.Body,
        ))
    }

    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        fmt.Fprintf(w, "%s", lines)
    })

    log.Fatal(http.ListenAndServe(":7070", nil))
}

func getRadioTThemes(numPodcasts int) []Podcasts {
    var url string
    url = fmt.Sprintf("https://radio-t.com/site-api/last/%d?categories=podcast", numPodcasts)
    response, err := http.Get(url)

    if err != nil {
        panic(err.Error())
    }

    body, err := ioutil.ReadAll(response.Body)

    if err != nil {
        panic(err.Error())
    }

    var podcasts []Podcasts
    json.Unmarshal(body, &podcasts)

    return podcasts
}