From 54f7eb3657490c697211af8506b683d6909179dd Mon Sep 17 00:00:00 2001
From: Yuya Ochiai <yuya0321@gmail.com>
Date: Thu, 14 Jan 2016 23:27:37 +0900
Subject: [PATCH] Fix some error cases when the number of teams is zero

* There is no config.json
* config.teams.length === 0
---
 src/browser/index.jsx    | 3 +++
 src/browser/settings.jsx | 9 +++++++--
 src/common/settings.js   | 8 ++++++++
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/browser/index.jsx b/src/browser/index.jsx
index 190570d4..43790a6b 100644
--- a/src/browser/index.jsx
+++ b/src/browser/index.jsx
@@ -210,6 +210,9 @@ try {
 } catch (e) {
   window.location = 'settings.html';
 }
+if (config.teams.length === 0) {
+  window.location = 'settings.html';
+}
 
 var contextMenu = require('./menus/context');
 var menu = contextMenu.createDefault();
diff --git a/src/browser/settings.jsx b/src/browser/settings.jsx
index 50c796c0..e4dd9ee5 100644
--- a/src/browser/settings.jsx
+++ b/src/browser/settings.jsx
@@ -14,7 +14,12 @@ const Glyphicon = ReactBootstrap.Glyphicon;
 
 var SettingsPage = React.createClass({
   getInitialState: function() {
-    var config = settings.readFileSync(this.props.configFile);
+    var config;
+    try {
+      config = settings.readFileSync(this.props.configFile);
+    } catch (e) {
+      config = settings.loadDefault();
+    }
     return {
       teams: config.teams,
       hideMenuBar: config.hideMenuBar
@@ -76,7 +81,7 @@ var SettingsPage = React.createClass({
           <Col md={ 12 }>
             <Button id="btnCancel" onClick={ this.handleCancel }>Cancel</Button>
             { ' ' }
-            <Button id="btnSave" bsStyle="primary" onClick={ this.handleSave }>Save</Button>
+            <Button id="btnSave" bsStyle="primary" onClick={ this.handleSave } disabled={ this.state.teams.length === 0 }>Save</Button>
           </Col>
         </Row>
       </Grid>
diff --git a/src/common/settings.js b/src/common/settings.js
index 5fd345e8..e63dee0e 100644
--- a/src/common/settings.js
+++ b/src/common/settings.js
@@ -38,5 +38,13 @@ module.exports = {
     }
     var data = JSON.stringify(config, null, '  ');
     fs.writeFileSync(configFile, data, 'utf8');
+  },
+
+  loadDefault: function() {
+    return {
+      teams: [],
+      hideMenuBar: false,
+      version: version
+    };
   }
 };