From 788218e1154410fd4beabdc758ca0391f63b7c8e Mon Sep 17 00:00:00 2001
From: Henrique Dias <hacdias@gmail.com>
Date: Sun, 13 Sep 2015 22:48:52 +0100
Subject: [PATCH] updates! settings!

---
 hugo.go                 | 69 +++++++++++++++++------------------
 page/page.go            | 38 ++++++++++++++++++-
 settings/settings.go    | 81 +++++++++++++++++++++++++++++++++++++++++
 templates/settings.tmpl | 30 +++++++++++++++
 4 files changed, 182 insertions(+), 36 deletions(-)
 create mode 100644 settings/settings.go

diff --git a/hugo.go b/hugo.go
index 70e44cae..ea2b1f4a 100644
--- a/hugo.go
+++ b/hugo.go
@@ -10,6 +10,7 @@ import (
 
 	"github.com/hacdias/caddy-hugo/assets"
 	"github.com/hacdias/caddy-hugo/edit"
+	"github.com/hacdias/caddy-hugo/settings"
 	"github.com/mholt/caddy/config/setup"
 	"github.com/mholt/caddy/middleware"
 	"github.com/spf13/hugo/commands"
@@ -27,46 +28,44 @@ func Setup(c *setup.Controller) (middleware.Middleware, error) {
 type handler struct{ Next middleware.Handler }
 
 func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
-	if urlMatch(r, "/admin") {
-		return route(w, r)
+	if middleware.Path(r.URL.Path).Matches("/admin") {
+		page := parseComponents(r)[1]
+
+		if page == "assets" {
+			filename := strings.Replace(r.URL.Path, "/admin/assets", "static", 1)
+			file, err := assets.Asset(filename)
+
+			if err != nil {
+				return 404, nil
+			}
+
+			extension := filepath.Ext(filename)
+			mime := mime.TypeByExtension(extension)
+
+			header := w.Header()
+			header.Set("Content-Type", mime)
+
+			w.Write(file)
+			return 200, nil
+		} else if page == "content" {
+			w.Write([]byte("Content Page"))
+			return 200, nil
+		} else if page == "browse" {
+			w.Write([]byte("Show Data Folder"))
+			return 200, nil
+		} else if page == "edit" {
+			return edit.Execute(w, r)
+		} else if page == "settings" {
+			return settings.Execute(w, r)
+		}
+
+		return 404, nil
 	}
 
 	return h.Next.ServeHTTP(w, r)
 }
 
-func route(w http.ResponseWriter, r *http.Request) (int, error) {
-	page := parseComponents(r)[1]
-
-	if page == "assets" {
-		filename := strings.Replace(r.URL.Path, assetsURL, "static", 1)
-		file, err := assets.Asset(filename)
-
-		if err != nil {
-			return 404, nil
-		}
-
-		extension := filepath.Ext(filename)
-		mime := mime.TypeByExtension(extension)
-
-		header := w.Header()
-		header.Set("Content-Type", mime)
-
-		w.Write(file)
-	} else if page == "content" {
-		w.Write([]byte("Content Page"))
-	} else if page == "browse" {
-		w.Write([]byte("Show Data Folder"))
-	} else if page == "edit" {
-		return edit.Execute(w, r)
-	} else if page == "settings" {
-		w.Write([]byte("Settings Page"))
-	} else {
-		return 404, nil
-	}
-
-	return 200, nil
-}
-
+// TODO: utils package
 func parseComponents(r *http.Request) []string {
 	//The URL that the user queried.
 	path := r.URL.Path
diff --git a/page/page.go b/page/page.go
index d1d9b938..420dde73 100644
--- a/page/page.go
+++ b/page/page.go
@@ -3,7 +3,9 @@ package page
 import (
 	"html/template"
 	"net/http"
+	"reflect"
 	"strings"
+	"unicode"
 
 	"github.com/hacdias/caddy-hugo/assets"
 )
@@ -14,6 +16,40 @@ const (
 	footerMark        = "{{#FOOTER#}}"
 )
 
+var funcMap = template.FuncMap{
+	"splitCapitalize": splitCapitalize,
+	"isMap":           isMap,
+}
+
+// TODO: utilspackage
+func isMap(sth interface{}) bool {
+	return reflect.ValueOf(sth).Kind() == reflect.Map
+}
+
+// TODO: utils package
+func splitCapitalize(name string) string {
+	var words []string
+	l := 0
+	for s := name; s != ""; s = s[l:] {
+		l = strings.IndexFunc(s[1:], unicode.IsUpper) + 1
+		if l <= 0 {
+			l = len(s)
+		}
+		words = append(words, s[:l])
+	}
+
+	name = ""
+
+	for _, element := range words {
+		name += element + " "
+	}
+
+	name = strings.ToLower(name[:len(name)-1])
+	name = strings.ToUpper(string(name[0])) + name[1:len(name)]
+
+	return name
+}
+
 // Page type
 type Page struct {
 	Title string
@@ -48,7 +84,7 @@ func (p *Page) Render(name string, w http.ResponseWriter) (int, error) {
 	page = strings.Replace(page, headerMark, header, -1)
 	page = strings.Replace(page, footerMark, footer, -1)
 
-	tpl, err := template.New("page").Parse(page)
+	tpl, err := template.New("page").Funcs(funcMap).Parse(page)
 
 	if err != nil {
 		return 500, err
diff --git a/settings/settings.go b/settings/settings.go
new file mode 100644
index 00000000..1028dc56
--- /dev/null
+++ b/settings/settings.go
@@ -0,0 +1,81 @@
+package settings
+
+import (
+	"io/ioutil"
+	"net/http"
+	"os"
+
+	"github.com/hacdias/caddy-hugo/page"
+	"github.com/spf13/hugo/parser"
+)
+
+// Execute the page
+func Execute(w http.ResponseWriter, r *http.Request) (int, error) {
+	if r.Method == "POST" {
+
+	} else {
+		frontmatter := getConfigFrontMatter()
+
+		// 500 if the format of frontmatter can't be defined
+		if frontmatter == "" {
+			return 500, nil
+		}
+
+		config, err := getConfig(frontmatter)
+
+		if err != nil {
+			return 500, err
+		}
+
+		page := new(page.Page)
+		page.Title = "settings"
+		page.Body = config
+		return page.Render("settings", w)
+	}
+
+	return 200, nil
+}
+
+func getConfigFrontMatter() string {
+	var frontmatter string
+
+	if _, err := os.Stat("config.yaml"); err == nil {
+		frontmatter = "yaml"
+	}
+
+	if _, err := os.Stat("config.json"); err == nil {
+		frontmatter = "json"
+	}
+
+	if _, err := os.Stat("config.toml"); err == nil {
+		frontmatter = "toml"
+	}
+
+	return frontmatter
+}
+
+func getConfig(frontmatter string) (interface{}, error) {
+	content := getConfigFileContent(frontmatter)
+
+	switch frontmatter {
+	case "yaml":
+		return parser.HandleYAMLMetaData(content)
+	case "json":
+		return parser.HandleJSONMetaData(content)
+	case "toml":
+		return parser.HandleTOMLMetaData(content)
+	}
+
+	return []string{}, nil
+}
+
+func getConfigFileContent(frontmatter string) []byte {
+	file, err := ioutil.ReadFile("config." + frontmatter)
+
+	if err != nil {
+		// there were a problem opening the file
+		return []byte{}
+	}
+
+	return file
+}
diff --git a/templates/settings.tmpl b/templates/settings.tmpl
index e69de29b..61200fd7 100644
--- a/templates/settings.tmpl
+++ b/templates/settings.tmpl
@@ -0,0 +1,30 @@
+{{#HEADER#}}
+{{ with .Body }}
+
+<div class="content">
+
+  <h1>Settings</h1>
+
+  <form>
+  {{ range $key, $value := . }}
+    {{ if isMap $value }}
+      <h2>{{ splitCapitalize $key }}</h2>
+
+      <div id="{{ $key }}">
+        <!-- call this range again -->
+      </div>
+
+    {{ else }}
+
+    <label for="{{ $key }}">{{ splitCapitalize $key }}</label>
+    <input name="{{ $key }}" id="{{ $key }}" value="{{ $value }}"></input><br>
+
+    {{ end }}
+  {{ end }}
+  </form>
+
+
+</div>
+
+{{ end }}
+{{#FOOTER#}}