From 0bcc057e741af3fbc108f42b75f9d42f48f6a51e Mon Sep 17 00:00:00 2001
From: Yuuta Liang <yuutaw@students.cs.ubc.ca>
Date: Sat, 14 Oct 2023 05:12:06 +0800
Subject: Implement the CA

Signed-off-by: Yuuta Liang <yuutaw@students.cs.ubc.ca>
---
 src/main/ui/TemplatesScreen.java | 108 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 src/main/ui/TemplatesScreen.java

(limited to 'src/main/ui/TemplatesScreen.java')

diff --git a/src/main/ui/TemplatesScreen.java b/src/main/ui/TemplatesScreen.java
new file mode 100644
index 0000000..9b0bf3e
--- /dev/null
+++ b/src/main/ui/TemplatesScreen.java
@@ -0,0 +1,108 @@
+package ui;
+
+import model.ca.Template;
+
+public class TemplatesScreen implements UIHandler {
+    private final JCA session;
+
+    /**
+     * EFFECTS: Init with the session.
+     */
+    public TemplatesScreen(JCA session) {
+        this.session = session;
+    }
+
+    @Override
+    public void help() {
+        System.out.println("show\tList templates\n"
+                + "add\tCreate a new template\n"
+                + "enable\tEnable a template\n"
+                + "disable\tDisable a template\n"
+                + "delete\tDelete a template\n"
+                + "exit\tGo to main menu\n"
+                + "help\tPrint this message");
+    }
+
+    @Override
+    public void show() {
+        session.getTemplates().forEach(tem ->
+                System.out.printf("%s[%s]\t%s\t%d Days\n",
+                        tem.getName(),
+                        tem.isEnabled() ? "ENABLED" : "DISABLED",
+                        tem.getSubject(),
+                        tem.getValidity()));
+    }
+
+    private void handleAdd(String... args) {
+        if (args.length <= 1) {
+            System.out.println("Usage: add <name>");
+            return;
+        }
+        if (session.findTemplate(args[1], false) != null) {
+            System.out.println("The template already exists.");
+            return;
+        }
+
+        session.setScreen(Screen.TEMPLATE_SET,
+                new Template(args[1], false, null, 30));
+    }
+
+    private void handleEnableDisable(boolean enable, String... args) {
+        if (args.length <= 1) {
+            System.out.printf("Usage: %s <template>\n", enable ? "enable" : "disable");
+            return;
+        }
+        Template tmp = session.findTemplate(args[1], false);
+        if (tmp == null) {
+            System.out.println("Cannot find the template specified");
+            return;
+        }
+        tmp.setEnabled(enable);
+        session.log("A template was enabled / disabled.");
+    }
+
+    private void handleDelete(String... args) {
+        if (args.length <= 1) {
+            System.out.println("Usage: delete <template>");
+            return;
+        }
+        Template tmp = session.findTemplate(args[1], true);
+        if (tmp == null) {
+            System.out.println("Cannot find the template specified");
+            return;
+        }
+        session.getTemplates().remove(tmp);
+        session.log("A template was deleted.");
+    }
+
+    @Override
+    public void command(String... args) {
+        switch (args[0]) {
+            case "add":
+                handleAdd(args);
+                break;
+            case "enable":
+                handleEnableDisable(true, args);
+                break;
+            case "disable":
+                handleEnableDisable(false, args);
+                break;
+            case "delete":
+                handleDelete(args);
+                break;
+            default:
+                help();
+                break;
+        }
+    }
+
+    @Override
+    public Screen exit() {
+        return Screen.MAIN;
+    }
+
+    @Override
+    public String getPS1() {
+        return "/templates/ %";
+    }
+}
-- 
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