package main

import (
	"bytes"
	"text/template"

	"git.fromouter.space/mcg/draft"
	"git.fromouter.space/mcg/mlp-server-tools/draftbot"
	"github.com/Masterminds/sprig"
)

var sessionCreatedTplText = `Draft session created!
Join with "/join".

Draft type: {{ .Options.Type }}`

var templateMap = map[string]string{
	"session-created": sessionCreatedTplText,
}
var templates = map[string]*template.Template{}

func initTemplates() {
	for k, v := range templateMap {
		templates[k] = template.Must(template.New("base").Funcs(sprig.TxtFuncMap()).Parse(v))
	}
}

var sessionCreatedTpl = (sessionCreatedTplText)

func txtDraftSessionCreated(opt draftbot.DraftOptions, players map[string]*draft.Player) string {
	var tpl bytes.Buffer
	templates["session-created"].Execute(&tpl, struct {
		Players []string
		Options draftbot.DraftOptions
	}{
		playerNames(players),
		opt,
	})
	return tpl.String()
}

func playerNames(lst map[string]*draft.Player) (out []string) {
	for key := range lst {
		out = append(out, "@"+key)
	}
	return
}