Add first pass at dashboard

9 files changed, 120 insertions, 17 deletions

diff --git a/Makefile b/Makefile
index b6980df..6867614 100644
--- a/Makefile
+++ b/Makefile
@@ -20,5 +20,5 @@ info:
 	@echo "BIN: $(BIN)"
 	@echo "SERVICE: $(SERVICE)"
 
-nonsense-time: nonsense-time.go
+nonsense-time: nonsense-time.go $(wildcard api/*.go) $(wildcard dashboard/*.go)
 	go build .
diff --git a/api/api.go b/api/api.go
index 3e0dc27..8f7d76d 100644
--- a/api/api.go
+++ b/api/api.go
@@ -6,13 +6,21 @@ import (
 	"log/slog"
 	"net/http"
 	"os"
+	"time"
 )
 
+type ServerStatus struct {
+	Online    bool      `json:"online"`
+	Site      string    `json:"url"`
+	Timestamp time.Time `json:"timestamp"`
+}
+
 var Logger *slog.Logger
 
 const VTT_URL string = "http://73.188.175.49:30000"
 
-func remoteOnline(ctx context.Context, url string) bool {
+func remoteOnline(ctx context.Context, url string) ServerStatus {
+	status := ServerStatus{Site: url, Timestamp: time.Now()}
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
 	if err != nil {
 		panic(err)
@@ -20,19 +28,16 @@ func remoteOnline(ctx context.Context, url string) bool {
 
 	_, err = http.DefaultClient.Do(req)
 	if err != nil {
-		return false
+		status.Online = false
+	} else {
+		status.Online = true
 	}
 
-	return true
+	return status
 }
 
-func respondOnline(w http.ResponseWriter, url string, isOnline bool) {
-	data := struct {
-		Online bool   `json:"online"`
-		Site   string `json:"url"`
-	}{isOnline, url}
-
-	jsonData, err := json.Marshal(data)
+func respondOnline(w http.ResponseWriter, status ServerStatus) {
+	jsonData, err := json.Marshal(status)
 	if err != nil {
 		http.Error(w, "Error constructing response", http.StatusInternalServerError)
 		Logger.Error("Error marshalling site status data")
@@ -44,12 +49,12 @@ func respondOnline(w http.ResponseWriter, url string, isOnline bool) {
 }
 
 func VttOnline(w http.ResponseWriter, req *http.Request) {
-	isOnline := remoteOnline(req.Context(), VTT_URL)
+	status := remoteOnline(req.Context(), VTT_URL)
 
-	if !isOnline {
+	if !status.Online {
 		Logger.DebugContext(req.Context(), "Foundry VTT is offline")
 	}
-	respondOnline(w, VTT_URL, isOnline)
+	respondOnline(w, status)
 }
 
 func VttRedirect(w http.ResponseWriter, req *http.Request) {
@@ -59,12 +64,12 @@ func VttRedirect(w http.ResponseWriter, req *http.Request) {
 func SiteOnline(w http.ResponseWriter, req *http.Request) {
 	const URL string = "https://dnd.jpappel.xyz"
 
-	isOnline := remoteOnline(req.Context(), URL)
-	if !isOnline {
+	status := remoteOnline(req.Context(), URL)
+	if !status.Online {
 		Logger.DebugContext(req.Context(), "Campaign Website is offline")
 	}
 
-	respondOnline(w, URL, isOnline)
+	respondOnline(w, status)
 }
 
 func init() {
diff --git a/dashboard/dashboard.go b/dashboard/dashboard.go
new file mode 100644
index 0000000..c3839f2
--- /dev/null
+++ b/dashboard/dashboard.go
@@ -0,0 +1,48 @@
+package dashboard
+
+import (
+	"html/template"
+	"log/slog"
+	"net/http"
+	"nonsense-time/api"
+	"path/filepath"
+)
+
+var Logger *slog.Logger
+var templates map[string]*template.Template
+
+func Index(w http.ResponseWriter, req *http.Request) {
+	t, ok := templates["dashboard"]
+
+	if !ok {
+		panic(t)
+	}
+
+	// TODO: poll database
+	data := struct {
+		ServerStatus api.ServerStatus
+	}{
+		ServerStatus: api.ServerStatus{},
+	}
+
+	err := t.Execute(w, data)
+	if err != nil {
+		Logger.Error("Unable to execute template", slog.Any("err", err))
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+}
+
+func StaticHandler(w http.ResponseWriter, req *http.Request) {
+	http.StripPrefix("/static", http.FileServer(http.Dir("static"))).ServeHTTP(w, req)
+}
+
+func init() {
+	Logger = slog.Default()
+	templates = make(map[string]*template.Template)
+	templates["dashboard"] = template.Must(template.New("base.html").ParseFiles(
+		filepath.Join("templates", "base.html"),
+		filepath.Join("templates", "dashboard", "dashboard.html"),
+		filepath.Join("templates", "dashboard", "server_status.html"),
+	))
+}
diff --git a/nonsense-time.go b/nonsense-time.go
index f9901e6..94c0a30 100644
--- a/nonsense-time.go
+++ b/nonsense-time.go
@@ -7,6 +7,7 @@ import (
 	"log/slog"
 	"net/http"
 	"nonsense-time/api"
+	"nonsense-time/dashboard"
 	"os"
 	"time"
 )
@@ -51,12 +52,15 @@ func main() {
 		loggerOpts.Level = slog.LevelDebug
 	case "error":
 		loggerOpts.Level = slog.LevelError
+	default:
+		panic(fmt.Sprintf("Unkown log level %s", *logLevel))
 	}
 
 	addr := fmt.Sprintf("%s:%d", *bindAddr, *port)
 	logger = slog.New(slog.NewTextHandler(os.Stdout, loggerOpts))
 
 	api.Logger = logger
+	dashboard.Logger = logger
 
 	vtt := timeoutMiddleware(http.HandlerFunc(api.VttOnline), *waitTime)
 	site := timeoutMiddleware(http.HandlerFunc(api.SiteOnline), *waitTime)
@@ -64,6 +68,8 @@ func main() {
 	mux.Handle("GET /vtt/status", vtt)
 	mux.HandleFunc("GET /vtt", api.VttRedirect)
 	mux.Handle("GET /site/status", site)
+	mux.HandleFunc("GET /", dashboard.Index)
+	mux.HandleFunc("GET /static/", dashboard.StaticHandler)
 
 	logger.Info(fmt.Sprint("Listening on ", addr))
 	logger.Info(http.ListenAndServe(addr, mux).Error())
diff --git a/static/styles.css b/static/styles.css
new file mode 100644
index 0000000..497cf2c
--- /dev/null
+++ b/static/styles.css
@@ -0,0 +1,10 @@
+main {
+    display: flex;
+    margin: 1em;
+    flex-direction: column;
+}
+
+section.server-status {
+    padding: 0 1em 0.75em;
+    border: 0.25em solid black;
+}
diff --git a/templates/base.html b/templates/base.html
new file mode 100644
index 0000000..768d7eb
--- /dev/null
+++ b/templates/base.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang=en>
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    {{ block "head" . }}<title>Nonsense Time Dashboard</title>{{ end }}
+    <link rel="stylesheet" href="/static/styles.css">
+</head>
+<body>
+    {{ block "body" . }}{{ end }}
+</body>
+</html>
diff --git a/templates/dashboard/dashboard.html b/templates/dashboard/dashboard.html
new file mode 100644
index 0000000..29a852e
--- /dev/null
+++ b/templates/dashboard/dashboard.html
@@ -0,0 +1,7 @@
+{{ define "body" }}
+<h1>Dashboard Home</h1>
+<p>Welcome to the Dashboard! It is still under construction so please be patient :) </p>
+<main>
+    {{template "server_status" . }}
+</main>
+{{ end }}
diff --git a/templates/dashboard/server_logs.html b/templates/dashboard/server_logs.html
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/templates/dashboard/server_logs.html
diff --git a/templates/dashboard/server_status.html b/templates/dashboard/server_status.html
new file mode 100644
index 0000000..8019659
--- /dev/null
+++ b/templates/dashboard/server_status.html
@@ -0,0 +1,15 @@
+{{define "server_status"}}
+<section class="server-status">
+    <h2>Server Status</h2>
+    <div id=uptime>
+        <dl>
+            <dt>Url</dt>
+            <dd>{{ .ServerStatus.Site }}</dd>
+            <dt>Online</dt>
+            <dd>{{ .ServerStatus.Online }}</dd>
+            <dt>Timestamp</dt>
+            <dd>{{ .ServerStatus.Timestamp }}</dd>
+        </dl>
+    </div>
+</section>
+{{end}}