6 files changed, 128 insertions, 0 deletions
diff --git a/core/api.ts b/core/api.ts
new file mode 100644
index 0000000..0891081
--- /dev/null
+++ b/core/api.ts
@@ -0,0 +1,16 @@
+import { ParseResult } from "../language/types.ts";
+
+/**
+ * @summary API interface
+ *
+ * This interface gets implemented by all API clients, so clients can be
+ * swapped easily.
+ */
+export default abstract class API {
+	/** @summary prepare API client */
+	abstract prepare(): Promise<void>;
+
+	/** @summary parse sentence */
+	abstract parseSentence(input: string): Promise<ParseResult>;
+};
+
diff --git a/core/direct/client.ts b/core/direct/client.ts
new file mode 100644
index 0000000..fda4b60
--- /dev/null
+++ b/core/direct/client.ts
@@ -0,0 +1,11 @@
+import API from "../api.ts";
+import YomikunRAWAPI from "../raw/api.ts";
+
+/**
+ * @summary Yomikun direct API
+ * 
+ * Alias to YomikunRAWAPI. calls API methods directly, and thus only works
+ * server-side. Used to test the API locally without HTTP overhead.
+ */
+export default class YomikunDirectAPIClient extends YomikunRAWAPI implements API { }
+
diff --git a/core/http/client.ts b/core/http/client.ts
new file mode 100644
index 0000000..42d75f0
--- /dev/null
+++ b/core/http/client.ts
@@ -0,0 +1,31 @@
+import { ParseDepth, ParseResult } from "../../language/types.ts";
+import YomikunError from "../../util/error.ts";
+import API from "../api.ts";
+import { ConnectionProps, ConnectionPropsDefault } from "./props.ts";
+
+/**
+ * @summary Yomikun HTTP API
+ * 
+ * Uses the Yomikun server to call API methods. Handles (de)serialization
+ * automatically.
+ */
+export default class YomikunRemoteAPIClient implements API {
+	private props: ConnectionProps;
+
+	constructor(options?: ConnectionProps) {
+		this.props = { ...ConnectionPropsDefault, ...options };
+	}
+
+	async prepare() { }
+
+	async parseSentence(input: string) {
+		var response = await fetch(`http://${this.props.host}:${this.props.port}/parseSentence`);
+		console.log(response.body);
+
+		return {
+			depth: ParseDepth.Term,
+			tokens: [],
+		} as ParseResult;
+	}
+}
+
diff --git a/core/http/props.ts b/core/http/props.ts
new file mode 100644
index 0000000..d69ae55
--- /dev/null
+++ b/core/http/props.ts
@@ -0,0 +1,10 @@
+export interface ConnectionProps {
+	host: string;
+	port: number;
+};
+
+export const ConnectionPropsDefault: ConnectionProps = {
+	host: "localhost",
+	port: 9400,
+};
+
diff --git a/core/http/server.ts b/core/http/server.ts
new file mode 100644
index 0000000..8a6786e
--- /dev/null
+++ b/core/http/server.ts
@@ -0,0 +1,33 @@
+import { serve } from "https://deno.land/std@0.192.0/http/server.ts";
+
+import { ParseResult } from "../../language/types.ts";
+import YomikunRAWAPI from "../raw/api.ts";
+import { ConnectionProps, ConnectionPropsDefault } from "./props.ts";
+
+interface Endpoint {
+	endpoint: string;
+};
+
+export default class YomikunRemoteAPIServer extends YomikunRAWAPI {
+	private props: ConnectionProps;
+
+	constructor(options?: ConnectionProps) {
+		super();
+		this.props = { ...ConnectionPropsDefault, ...options };
+	}
+
+	async parseSentence(input: string) {
+		return await super.parseSentence(input);
+	}
+
+	async start() {
+		serve((req) => {
+			return new Response("Hello world!");
+		}, { port: this.props.port });
+	}
+
+	async prepare() {
+		await super.prepare();
+	}
+}
+
diff --git a/core/raw/api.ts b/core/raw/api.ts
new file mode 100644
index 0000000..2d29eed
--- /dev/null
+++ b/core/raw/api.ts
@@ -0,0 +1,27 @@
+import API from "../api.ts";
+import Parser from "../../language/parser.ts";
+import YomikunError from "../../util/error.ts";
+
+/** @summary internal Yomikun API client (DO NOT USE DIRECTLY) */
+export default class YomikunRAWAPI implements API {
+	private _parser: Parser;
+
+	constructor() {
+		if (this.constructor === YomikunRAWAPI) {
+			throw new YomikunError("YomikunRAWAPI instantiated! please use YomikunDirectAPIClient instead");
+		}
+
+		this._parser = new Parser();
+	}
+
+  async prepare() {
+    await Promise.all([
+      this._parser.prepare(),
+    ]);
+  }
+
+	async parseSentence(input: string) {
+		return this._parser.parse(input);
+	}
+};
+