From 68c081891fe21751074cac3af10b5a8d8bfb201f Mon Sep 17 00:00:00 2001
From: prokopparuzek <prokop.paruzek@paruzkovi.cz>
Date: Thu, 9 Oct 2025 17:25:25 +0200
Subject: [PATCH] admin: sifry

---
 admin.go                    | 62 +++++++++++++++++++++++++++++++++++++
 klice.go                    |  1 +
 templates.go                |  8 +++++
 templates/adminCiphers.html | 49 +++++++++++++++++++++++++++++
 templates/adminPanel.html   |  1 +
 5 files changed, 121 insertions(+)
 create mode 100644 templates/adminCiphers.html

diff --git a/admin.go b/admin.go
index 771190f..0c7f284 100644
--- a/admin.go
+++ b/admin.go
@@ -301,3 +301,65 @@ func AdminLevelHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 }
+
+func AdminCipherHandler(w http.ResponseWriter, r *http.Request) {
+	if !isAdmin(r) {
+		http.Redirect(w, r, "/admin/login", http.StatusSeeOther)
+		return
+	}
+	if r.Method == http.MethodPost {
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Error parsing form", http.StatusBadRequest)
+			return
+		}
+		// Deleting an existing cipher
+		if r.PostForm.Has("delete") {
+			cipherID := r.FormValue("delete")
+			_, err := db.Exec("DELETE FROM ciphers WHERE id = ?", cipherID)
+			if err != nil {
+				http.Error(w, "Database error", http.StatusInternalServerError)
+				return
+			}
+			http.Redirect(w, r, "/admin/cipher", http.StatusSeeOther)
+			return
+		}
+		// Adding a new cipher
+		assignment := r.FormValue("assignment")
+		solution := r.FormValue("solution")
+		clue := r.FormValue("clue")
+		if assignment == "" || solution == "" || clue == "" {
+			http.Error(w, "All fields are required", http.StatusBadRequest)
+			return
+		}
+		_, err := db.Exec("INSERT INTO ciphers (assignment, solution, clue) VALUES (?, ?, ?)", assignment, solution, clue)
+		if err != nil {
+			http.Error(w, "Database error", http.StatusInternalServerError)
+			return
+		}
+		http.Redirect(w, r, "/admin/cipher", http.StatusSeeOther)
+		return
+	}
+	rows, err := db.Query("SELECT id, assignment, solution, clue FROM ciphers ORDER BY id")
+	if err != nil {
+		http.Error(w, "Database error", http.StatusInternalServerError)
+		return
+	}
+	defer rows.Close()
+	var ciphers []AdminCipherTemplateS
+	for rows.Next() {
+		var cipher AdminCipherTemplateS
+		if err := rows.Scan(&cipher.ID, &cipher.Assignment, &cipher.Solution, &cipher.Clue); err != nil {
+			http.Error(w, "Database error", http.StatusInternalServerError)
+			return
+		}
+		ciphers = append(ciphers, cipher)
+	}
+	if err := rows.Err(); err != nil {
+		http.Error(w, "Database error", http.StatusInternalServerError)
+		return
+	}
+	if err := AdminCipherTemplate.Execute(w, ciphers); err != nil {
+		http.Error(w, "Template error", http.StatusInternalServerError)
+		return
+	}
+}
diff --git a/klice.go b/klice.go
index fa7c72a..59d62a5 100644
--- a/klice.go
+++ b/klice.go
@@ -340,6 +340,7 @@ func main() {
 	http.HandleFunc("/admin/start", AdminStartHandler)
 	http.HandleFunc("/admin/routes", AdminRouteHandler)
 	http.HandleFunc("/admin/levels", AdminLevelHandler)
+	http.HandleFunc("/admin/cipher", AdminCipherHandler)
 
 	fmt.Println("Server started at :8080")
 	http.ListenAndServe(":8080", nil)
diff --git a/templates.go b/templates.go
index cb0b393..0c66991 100644
--- a/templates.go
+++ b/templates.go
@@ -38,8 +38,16 @@ type AdminRoutesTemplateS struct {
 	Ciphers []CipherTemplateS
 }
 
+type AdminCipherTemplateS struct {
+	ID         int
+	Assignment string
+	Solution   string
+	Clue       string
+}
+
 var CipherTemplate = template.Must(template.ParseFiles("templates/assignment.html"))
 var TeamTemplate = template.Must(template.ParseFiles("templates/team.html"))
 var AdminTeamsTemplate = template.Must(template.ParseFiles("templates/adminTeams.html"))
 var AdminRoutesTemplate = template.Must(template.ParseFiles("templates/adminRoutes.html"))
 var AdminLevelTemplate = template.Must(template.ParseFiles("templates/adminLevels.html"))
+var AdminCipherTemplate = template.Must(template.ParseFiles("templates/adminCiphers.html"))
diff --git a/templates/adminCiphers.html b/templates/adminCiphers.html
new file mode 100644
index 0000000..f95e874
--- /dev/null
+++ b/templates/adminCiphers.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="cs">
+
+<head>
+    <meta charset="UTF-8">
+    <title>Šifry</title>
+</head>
+
+<body>
+    <h1>Šifry</h1>
+    <table border="1">
+        <tr>
+            <th>ID</th>
+            <th>Zadání</th>
+            <th>Řešení</th>
+            <th>Nápověda</th>
+            <th>Smazat</th>
+        </tr>
+        {{range .}}
+        <tr>
+            <td>{{.ID}}</td>
+            <td>{{.Assignment}}</td>
+            <td>{{.Solution}}</td>
+            <td>{{.Clue}}</td>
+            <td>
+                <form method="post" action="/admin/cipher">
+                    <input type="hidden" name="delete" value="{{.ID}}">
+                    <input type="submit" value="Smazat">
+                </form>
+            </td>
+        </tr>
+        {{end}}
+    </table>
+    <hr>
+    <h2>Nová šifra</h2>
+    <form action="/admin/cipher" method="post">
+        <label for="assignment">Zadání:</label>
+        <input type="text" id="assignment" name="assignment" required>
+        <label for="solution">Řešení:</label>
+        <input type="text" id="solution" name="solution" required>
+        <label for="clue">Nápověda:</label>
+        <input type="text" id="clue" name="clue" required>
+        <input type="submit" value="Přidat šifru">
+    </form>
+    <hr>
+    <a href="/admin">Zpět na admin panel</a>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/templates/adminPanel.html b/templates/adminPanel.html
index 080751d..fd7c62d 100644
--- a/templates/adminPanel.html
+++ b/templates/adminPanel.html
@@ -11,6 +11,7 @@
     <a href="/admin/teams">Týmy</a> <br>
     <a href="/admin/routes">Trasy</a> <br>
     <a href="/admin/levels">Úrovně</a> <br>
+    <a href="/admin/cipher">Šifry</a> <br>
     <hr>
     <form method="post" action="/admin/logout">
         <input type="submit" value="Logout">