From 3f7ae147fb969db479c10eaa871a840a30e281b3 Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Thu, 29 Jun 2023 14:25:29 +0200
Subject: http proof of concept api

---
 core/http/client.ts | 33 ++++++++++++++++++++++++---------
 core/http/server.ts | 39 +++++++++++++++++++++++++--------------
 core/http/types.ts  | 25 +++++++++++++++++++++++++
 3 files changed, 74 insertions(+), 23 deletions(-)
 create mode 100644 core/http/types.ts

(limited to 'core')

diff --git a/core/http/client.ts b/core/http/client.ts
index 42d75f0..a77b616 100644
--- a/core/http/client.ts
+++ b/core/http/client.ts
@@ -1,7 +1,9 @@
-import { ParseDepth, ParseResult } from "../../language/types.ts";
-import YomikunError from "../../util/error.ts";
+import "../../util/array.ts";
+
+import { ParseResult } from "../../language/types.ts";
 import API from "../api.ts";
 import { ConnectionProps, ConnectionPropsDefault } from "./props.ts";
+import { APIRequest, APIRequestParseSentence, APIResponseParseSentence } from "./types.ts";
 
 /**
  * @summary Yomikun HTTP API
@@ -18,14 +20,27 @@ export default class YomikunRemoteAPIClient implements API {
 
 	async prepare() { }
 
-	async parseSentence(input: string) {
-		var response = await fetch(`http://${this.props.host}:${this.props.port}/parseSentence`);
-		console.log(response.body);
+	private async request(details: APIRequest) {
+		var response = await fetch(`http://${this.props.host}:${this.props.port}`, {
+			method: "POST",
+			headers: {
+				"Accept": "application/json",
+				"Content-Type": "application/json",
+			},
+			body: JSON.stringify(details),
+		});
+		return response.json();
+	}
 
-		return {
-			depth: ParseDepth.Term,
-			tokens: [],
-		} as ParseResult;
+	async parseSentence(input: string) {
+		var request: APIRequestParseSentence = {
+			command: "parseSentence",
+			options: {
+				input: input,
+			},
+		};
+		var { response } = await this.request(request) as APIResponseParseSentence;
+		return response;
 	}
 }
 
diff --git a/core/http/server.ts b/core/http/server.ts
index 8a6786e..b5d6c13 100644
--- a/core/http/server.ts
+++ b/core/http/server.ts
@@ -1,33 +1,44 @@
 import { serve } from "https://deno.land/std@0.192.0/http/server.ts";
 
+import "../../util/string.ts";
+
 import { ParseResult } from "../../language/types.ts";
 import YomikunRAWAPI from "../raw/api.ts";
 import { ConnectionProps, ConnectionPropsDefault } from "./props.ts";
+import { APIRequest, APIRequestParseSentence, APIResponseParseSentence } from "./types.ts";
 
-interface Endpoint {
-	endpoint: string;
-};
 
 export default class YomikunRemoteAPIServer extends YomikunRAWAPI {
 	private props: ConnectionProps;
+	private handlers: Record<string, (req: APIRequest) => Promise<Response>> = {
+		parseSentence: async _req => {
+			var req = _req as APIRequestParseSentence;
+			var input = req.options?.input
+			if (!input) return new Response("", { status: 404 });
+			return new Response(JSON.stringify({
+				command: "parseSentence",
+				response: await this.parseSentence(input),
+			} as APIResponseParseSentence));
+		},
+	};
 
 	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();
+		serve(async (req) => {
+			if (req.method != "POST") return new Response("", { status: 400 }); // wrong request (not post)
+			var request = (await req.text()).json({}) as APIRequest;
+			if (!request.command) return new Response("", { status: 400 }); // wrong request (no command)
+			var handler = this.handlers[request.command];
+			if (!handler) return new Response("", { status: 404 }); // not found (unknown command)
+			return await handler(request);
+		}, {
+			port: this.props.port,
+			onListen: () => { }
+		});
 	}
 }
 
diff --git a/core/http/types.ts b/core/http/types.ts
new file mode 100644
index 0000000..bbba1b5
--- /dev/null
+++ b/core/http/types.ts
@@ -0,0 +1,25 @@
+import { ParseResult } from "../../language/types.ts";
+
+export interface APIRequest {
+	command: string;
+	options: any;
+};
+
+export interface APIRequestParseSentence extends APIRequest {
+	command: "parseSentence";
+	options: {
+		input: string;
+	};
+};
+
+export interface APIResponse {
+	command: string;
+	response: any;
+	// final: boolean;
+};
+
+export interface APIResponseParseSentence extends APIResponse {
+	command: "parseSentence";
+	response: ParseResult;
+};
+
-- 
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