From d2b30c14b737a51db29eb8fad4575c88af915dfb Mon Sep 17 00:00:00 2001
From: Riccardo Fano <rcr.fano@gmail.com>
Date: Sun, 4 Feb 2024 15:51:58 +0100
Subject: [PATCH] Setup api endpoint

---
 core/invertGraph.ts               | 12 ++++++++++++
 pages/api/inverted/inheritance.ts | 21 +++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 pages/api/inverted/inheritance.ts

diff --git a/core/invertGraph.ts b/core/invertGraph.ts
index 1dd9da7..164e26e 100644
--- a/core/invertGraph.ts
+++ b/core/invertGraph.ts
@@ -11,6 +11,18 @@ type InvertedPerson = {
 
 type InvertedPersonList = Record<string, InvertedPerson>
 
+export function defaultRoot(): Person {
+  return {
+    id: '0',
+    name: 'Defunto',
+    available: false,
+    degree: 0,
+    root: null,
+    category: 'children',
+    relatives: [],
+  }
+}
+
 export function invertGraph(root: Person, list: InvertedPersonList): PersonList {
   const personList: PersonList = { '0': root }
   for (const person of Object.values(list)) {
diff --git a/pages/api/inverted/inheritance.ts b/pages/api/inverted/inheritance.ts
new file mode 100644
index 0000000..fcb7798
--- /dev/null
+++ b/pages/api/inverted/inheritance.ts
@@ -0,0 +1,21 @@
+import { NextApiRequest, NextApiResponse } from 'next'
+import { calculateInheritance } from '../../../core/inheritance'
+import { defaultRoot, invertGraph } from '../../../core/invertGraph'
+
+export default function handler(req: NextApiRequest, res: NextApiResponse) {
+  if (req.method !== 'POST') {
+    return res.status(405).send({ error: 'Method not allowed' })
+  }
+
+  if (req.headers['content-type'] !== 'application/json') {
+    return res.status(400).send({ error: 'Content type not allowed' })
+  }
+
+  try {
+    const graph = invertGraph(defaultRoot(), req.body)
+    const result = calculateInheritance(graph)
+    return res.json(result)
+  } catch (error) {
+    return res.status(500).send({ error: 'Failed to parse body' })
+  }
+}