1 files changed, 86 insertions, 0 deletions
diff --git a/lib/jdtalk/core.d b/lib/jdtalk/core.d
new file mode 100644
index 0000000..0ed929a
--- /dev/null
+++ b/lib/jdtalk/core.d
@@ -0,0 +1,86 @@
+module jdtalk.core;
+
+import std.algorithm;
+import std.array;
+import std.file;
+import std.path;
+import std.process : environment;
+import std.random;
+import std.stdio;
+import std.string;
+
+
+struct dict_t {
+    string[] noun;
+    string[] verb;
+    string[] adverb;
+    string[] adjective;
+}
+
+
+string[] readDict(string filename) {
+    string[] result;
+    foreach (line; readText(filename).split) {
+        line = line.strip;
+        if (line.empty || line.startsWith("#"))
+            continue;
+        result ~= line;
+    }
+    return result;
+}
+
+
+string word(string[] arr) {
+    return arr.choice;
+}
+
+
+bool hasWord(string match, string str) {
+    if (str is null)
+        return false;
+
+    foreach(word; str.split()) {
+        if (match == word)
+            return true;
+    }
+    return false;
+}
+
+
+bool searchDict(dict_t dict, string pattern) {
+    bool has_pattern = false;
+    foreach (wordList; [dict.noun, dict.verb, dict.adverb, dict.adjective]) {
+        foreach (word; wordList) {
+            has_pattern = wordList.canFind(pattern);
+            break;
+        }
+        if (has_pattern) break;
+    }
+    return has_pattern;
+}
+
+
+dict_t getData(string root) {
+    // override data root with environment variable
+    if (environment.get("JDTALK_DATA", null)) {
+        root = environment["JDTALK_DATA"].absolutePath;
+    }
+    return dict_t(
+            readDict(buildPath(root, "nouns.txt")),
+            readDict(buildPath(root, "verbs.txt")),
+            readDict(buildPath(root, "adverbs.txt")),
+            readDict(buildPath(root, "adjectives.txt")),
+           );
+}
+
+
+string talk(ref dict_t dict) {
+    string output;
+    output = join([
+                word(dict.adjective),
+                word(dict.noun),
+                word(dict.adverb),
+                word(dict.verb)],
+                " ");
+    return output;
+}