//go:build ignore
// +build ignore

package main

import (
	"encoding/json"
	"log"
	"net/http"
	"os"
	"strings"
	"text/template"
)

var packageTemplate = template.Must(template.New("").Parse(`// Code generated by go generate; DO NOT EDIT.
package ftx
var symbolMap = map[string]string{
{{- range $k, $v := . }}
	{{ printf "%q" $k }}: {{ printf "%q" $v }},
{{- end }}
}
`))

type Market struct {
	Name string `json:"name"`
}

type ApiResponse struct {
	Success bool `json:"success"`

	Result []Market `json:"result"`
}

func main() {
	var data = map[string]string{}

	const url = "https://ftx.com/api/markets"

	resp, err := http.Get(url)
	if err != nil {
		log.Fatal(err)
		return
	}
	defer resp.Body.Close()

	r := &ApiResponse{}
	json.NewDecoder(resp.Body).Decode(r)

	for _, m := range r.Result {
		key := strings.ReplaceAll(strings.ToUpper(strings.TrimSpace(m.Name)), "/", "")
		data[key] = m.Name
	}

	f, err := os.Create("symbols.go")
	if err != nil {
		log.Fatal(err)
	}

	defer f.Close()

	err = packageTemplate.Execute(f, data)
	if err != nil {
		log.Fatal(err)
	}
}