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package main
import (
"flag"
"fmt"
"log"
"time"
"framagit.org/andinus/cetus/pkg/background"
"framagit.org/andinus/cetus/pkg/cetus"
"framagit.org/andinus/cetus/pkg/nasa"
)
var (
quiet bool
version bool
fetchOnly bool
pathOnly bool
api string
apiKey string
date string
random bool
dateHelp string
dateDefault string
timeout time.Duration
err error
apodRes nasa.APOD
)
func main() {
parseFlags()
if version {
cetus.Version()
return
}
// Convert timeout to seconds
timeout = timeout * time.Second
if random {
date = nasa.RandDate()
}
// get response from api
apodRes, err = getAPODRes()
if err != nil {
if len(apodRes.Msg) != 0 {
log.Println("Message: ", apodRes.Msg)
}
log.Fatal(err)
}
printDetails(apodRes)
// if fetchOnly is true then don't set background
if fetchOnly {
return
}
// if media type is an image then set background
if apodRes.MediaType == "image" {
err = background.Set(apodRes.HDURL)
if err != nil {
log.Fatal(err)
}
}
}
func parseFlags() {
flag.BoolVar(&quiet, "quiet", false, "No output")
flag.BoolVar(&version, "version", false, "Cetus version")
flag.BoolVar(&fetchOnly, "fetch-only", false, "Don't set background, only fetch info")
dateHelp = fmt.Sprintf("Choose a random date between 1995-06-16 & %s",
time.Now().UTC().Format("2006-01-02"))
flag.BoolVar(&random, "random", false, dateHelp)
flag.BoolVar(&pathOnly, "path-only", false, "Print only path of the image")
flag.StringVar(&api, "api", "https://api.nasa.gov/planetary/apod", "APOD API URL")
flag.StringVar(&apiKey, "api-key", "DEMO_KEY", "api.nasa.gov key for expanded usage")
dateDefault = time.Now().UTC().Format("2006-01-02")
flag.StringVar(&date, "date", dateDefault, "Date of the APOD image to retrieve")
flag.DurationVar(&timeout, "timeout", 32*time.Second, "Timeout for http client in seconds")
flag.Parse()
}
func printDetails(apodRes nasa.APOD) {
if quiet {
return
}
if pathOnly {
cetus.PrintPath(apodRes.HDURL)
return
}
fmt.Printf("Title: %s\n\n", apodRes.Title)
fmt.Printf("Copyright: %s\n", apodRes.Copyright)
fmt.Printf("Date: %s\n\n", apodRes.Date)
fmt.Printf("Media Type: %s\n", apodRes.MediaType)
if apodRes.MediaType == "image" {
fmt.Printf("URL: %s\n\n", apodRes.HDURL)
} else {
fmt.Printf("URL: %s\n\n", apodRes.URL)
}
fmt.Printf("Explanation: %s\n", apodRes.Explanation)
}
func getAPODRes() (nasa.APOD, error) {
var apodInfo map[string]string
apodInfo = make(map[string]string)
apodInfo["api"] = api
apodInfo["apiKey"] = apiKey
apodInfo["date"] = date
apodRes, err = nasa.APODPath(apodInfo, timeout)
return apodRes, err
}
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