package bot

import (
	"html/template"
	"net/http"
	"strings"
)

func (b *bot) serveRoot(w http.ResponseWriter, r *http.Request) {
	context := make(map[string]interface{})
	context["Nav"] = b.GetWebNavigation()
	t := template.Must(template.New("rootIndex").Parse(rootIndex))
	t.Execute(w, context)
}

// GetWebNavigation returns a list of bootstrap-vue <b-nav-item> links
// The parent <nav> is not included so each page may display it as
// best fits
func (b *bot) GetWebNavigation() []EndPoint {
	endpoints := b.httpEndPoints
	moreEndpoints := b.config.GetArray("bot.links", []string{})
	for _, e := range moreEndpoints {
		link := strings.SplitN(e, ":", 2)
		if len(link) != 2 {
			continue
		}
		endpoints = append(endpoints, EndPoint{link[0], link[1]})
	}
	return endpoints
}

var rootIndex = `
<!DOCTYPE html>
<html lang="en">
<head>
    <!-- Load required Bootstrap and BootstrapVue CSS -->
    <link type="text/css" rel="stylesheet" href="//unpkg.com/bootstrap/dist/css/bootstrap.min.css" />
    <link type="text/css" rel="stylesheet" href="//unpkg.com/bootstrap-vue@latest/dist/bootstrap-vue.min.css" />

    <!-- Load polyfills to support older browsers -->
    <script src="//polyfill.io/v3/polyfill.min.js?features=es2015%2CMutationObserver"></script>

    <!-- Load Vue followed by BootstrapVue -->
    <script src="//unpkg.com/vue@latest/dist/vue.min.js"></script>
    <script src="//unpkg.com/bootstrap-vue@latest/dist/bootstrap-vue.min.js"></script>
    <script src="https://unpkg.com/vue-router"></script>
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
    <meta charset="UTF-8">
    <title>Factoids</title>
</head>
<body>

<div id="app">
	<b-navbar>
		<b-navbar-brand>catbase</b-navbar-brand>
		<b-navbar-nav>
			<b-nav-item v-for="item in nav" :href="item.URL">{{ "{{ item.Name }}" }}</b-nav-item>
		</b-navbar-nav>
	</b-navbar>
</div>

<script>
    var app = new Vue({
        el: '#app',
        data: {
            err: '',
			nav: {{ .Nav }},
        },
    })
</script>
</body>
</html>
`