From aaadf0f1b6695bd7f31ccc82848b01318a0192fb Mon Sep 17 00:00:00 2001
From: "Tristan B. Velloza Kildaire" <deavmi@redxen.eu>
Date: Sat, 3 Jun 2023 11:55:14 +0200
Subject: [PATCH] Initial commit

---
 .gitignore                | 17 ++++++++++++
 config.json               |  6 +++++
 dub.json                  | 14 ++++++++++
 source/loadshedd/app.d    | 56 +++++++++++++++++++++++++++++++++++++++
 source/loadshedd/config.d | 39 +++++++++++++++++++++++++++
 5 files changed, 132 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 config.json
 create mode 100644 dub.json
 create mode 100644 source/loadshedd/app.d
 create mode 100644 source/loadshedd/config.d

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c9ec918
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,17 @@
+.dub
+docs.json
+__dummy.html
+docs/
+/loadshedd
+loadshedd.so
+loadshedd.dylib
+loadshedd.dll
+loadshedd.a
+loadshedd.lib
+loadshedd-test-*
+*.exe
+*.pdb
+*.o
+*.obj
+*.lst
+dub.selections.json
diff --git a/config.json b/config.json
new file mode 100644
index 0000000..9055f90
--- /dev/null
+++ b/config.json
@@ -0,0 +1,6 @@
+{
+    "server": "https://eskom-calendar-api.shuttleapp.rs/v0.0.1/",
+    "area": "western-cape-worscester",
+    "warnBefore": 1,
+    "refreshInterval" : 1
+}
\ No newline at end of file
diff --git a/dub.json b/dub.json
new file mode 100644
index 0000000..70fa88c
--- /dev/null
+++ b/dub.json
@@ -0,0 +1,14 @@
+{
+	"authors": [
+		"Tristan B. Velloza Kildaire"
+	],
+	"copyright": "Copyright © 2023, Tristan B. Velloza Kildaire",
+	"dependencies": {
+		"dlog": "~>0.0.6",
+		"eskomcalendar4d": "~>0.1.1",
+		"jstruct": "~>0.1.3"
+	},
+	"description": "The loadshedding daemon for Saffers!",
+	"license": "GPL v3",
+	"name": "loadshedd"
+}
\ No newline at end of file
diff --git a/source/loadshedd/app.d b/source/loadshedd/app.d
new file mode 100644
index 0000000..08014ae
--- /dev/null
+++ b/source/loadshedd/app.d
@@ -0,0 +1,56 @@
+module loadshedd.app;
+
+import loadshedd.config;
+import std.stdio;
+import eskomcalendar;
+import core.thread : Thread, dur, Duration;
+import std.datetime.systime : Clock, SysTime;
+
+void main()
+{
+	Config config = Config.fromJSON2(getJSON("config.json"));
+    EskomCalendar calendar = new EskomCalendar(config.server);
+
+    while(true)
+    {
+        // Get schedules for your area today
+        Schedule[] todayShedding = calendar.getTodaySchedules(config.area);
+        writeln("Schedules for today:\n");
+
+        Schedule[] careAbouts;
+        foreach(Schedule schedule; todayShedding)
+        {
+            writeln(schedule);
+
+            SysTime currentTime = Clock.currTime();
+            currentTime += dur!("minutes")(config.warnBefore);
+
+            // TODO: Figure out the algo
+            
+          
+        }
+
+        writeln("End of schedules");
+
+        writeln("Care abouts: ", careAbouts);
+
+
+        Thread.sleep(dur!("minutes")(config.refreshInterval));
+    }
+}
+
+import std.json : parseJSON, JSONValue;
+private JSONValue getJSON(string path)
+{
+    // JSONValue jsonConfig;
+
+    File configFile;
+    configFile.open(path);
+
+    byte[] data;
+    data.length = configFile.size();
+    configFile.rawRead(data);
+    configFile.close();
+
+    return parseJSON(cast(string)data);
+}
diff --git a/source/loadshedd/config.d b/source/loadshedd/config.d
new file mode 100644
index 0000000..3672e13
--- /dev/null
+++ b/source/loadshedd/config.d
@@ -0,0 +1,39 @@
+module loadshedd.config;
+
+import std.json : JSONValue, JSONException;
+import jstruct;
+
+public struct Config
+{
+    public string server;
+    public string area;
+    public long warnBefore;
+    public long refreshInterval;
+
+    public static fromJSON2(JSONValue json)
+    {
+        return fromJSON!(Config)(json);
+    }
+}
+
+version(unittest)
+{
+    import std.json : parseJSON;
+    import std.stdio;
+}
+
+unittest
+{
+    JSONValue testConfig = parseJSON(`
+    {
+        "server": "https://eskom-calendar-api.shuttleapp.rs/v0.0.1/",
+        "area": "western-cape-worscester",
+        "warnBefore": 1,
+        "refreshInterval" : 1
+    }
+    `);
+
+    Config config = Config.fromJSON2(testConfig);
+    writeln(config);
+
+}
\ No newline at end of file