resolves #6 support client/server adapter

Closes #6 (closed)

harness/lib/adapter-manager.js

+/* global fetch */
 import { exec } from 'node:child_process'
 
-export default class AdapterManager {
-  constructor (adapterConfig) {
-    this.adapter = adapterConfig.adapter.cli.command
+class AdapterServerManager {
+  constructor ({ startCommand, stopCommand, url }) {
+    this.startCommand = startCommand
+    this.stopCommand = stopCommand
+    this.url = url
+  }
+
+  async post (data) {
+    const response = await fetch(this.url, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(data),
+    })
+    return response.json()
+  }
+
+  async start () {
+    if (this.startCommand !== undefined) {
+      const url = await new Promise((resolve, reject) => {
+        exec(this.startCommand, (err, stdout, _stderr) => {
+          if (err) return reject(err)
+          resolve(stdout)
+        })
+      })
+      if (this.url === undefined) {
+        this.url = url
+      }
+    }
+  }
+
+  stop () {
+    if (this.stopCommand !== undefined) {
+      return new Promise((resolve, reject) => {
+        exec(this.stopCommand, (err, stdout, _stderr) => {
+          if (err) return reject(err)
+          resolve(stdout)
+        })
+      })
+    }
+  }
+}
+
+class AdapterCliManager {
+  constructor ({ command }) {
+    this.command = command
   }
 
   post (data) {
     return new Promise((resolve, reject) => {
-      const cp = exec(this.adapter, (err, stdout, _stderr) => {
+      const cp = exec(this.command, (err, stdout, _stderr) => {
         if (err) return reject(err)
         resolve(JSON.parse(stdout))
       })
@@ -15,7 +60,17 @@ export default class AdapterManager {
     })
   }
 
-  start () {}
+  start () {
+  }
+
+  stop () {
+  }
+}
 
-  stop () {}
+export function createAdapterManager (config) {
+  const adapterConfig = config.adapter
+  if (adapterConfig.server) {
+    return new AdapterServerManager(adapterConfig.server)
+  }
+  return new AdapterCliManager(adapterConfig.cli)
 }