package main

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

func main() {
	// Read the list of covered funds (one GET, no key), naming your own
	// project
	req, err := http.NewRequest("GET",
		"https://tickerinside.com/api/v1/funds.json", nil)
	if err != nil {
		log.Fatal(err)
	}
	req.Header.Set("User-Agent", "MyProject/1.0 (+https://example.com)")
	client := &http.Client{Timeout: 30 * time.Second}
	resp, err := client.Do(req)
	if err != nil {
		log.Fatal(err)
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		log.Fatalf("HTTP %d", resp.StatusCode)
	}

	// Decode the fields this example uses
	var doc struct {
		AsOf     string `json:"as_of"`
		Count    int    `json:"count"`
		SecCount int    `json:"sec_count"`
		Funds    []struct {
			T string `json:"t"` // the ticker
			N string `json:"n"` // the name
		} `json:"funds"`
	}
	if err := json.NewDecoder(resp.Body).Decode(&doc); err != nil {
		log.Fatal(err)
	}

	// funds: read from their issuers' own files, with the date of the data
	fmt.Println(doc.Count, "funds from issuer files, as_of", doc.AsOf)
	// sec_funds: more US stock ETFs, from SEC filings, t and n as in funds
	fmt.Println(doc.SecCount, "more from SEC filings, listed in sec_funds")

	// One entry per fund
	for _, f := range doc.Funds {
		fmt.Println(f.T, f.N)
	}
}