From a4038ae2940a143599b38bccb206b4d400a86f0c Mon Sep 17 00:00:00 2001
From: Pihkaal <pihkaal@proton.me>
Date: Fri, 31 May 2024 00:46:26 +0200
Subject: [PATCH] feat(nvim): navigate to file and open in editor

---
 src/components/Nvim/NvimEditor.tsx |  4 ++-
 src/components/Nvim/NvimTree.tsx   | 21 +++++++++---
 src/components/Nvim/index.tsx      | 54 ++++++++++++++++++++++++++++--
 3 files changed, 71 insertions(+), 8 deletions(-)

diff --git a/src/components/Nvim/NvimEditor.tsx b/src/components/Nvim/NvimEditor.tsx
index 28513e8..21a0ecc 100644
--- a/src/components/Nvim/NvimEditor.tsx
+++ b/src/components/Nvim/NvimEditor.tsx
@@ -1 +1,3 @@
-export const NvimEditor = () => <div className="h-full">editor</div>;
+export const NvimEditor = (props: { data: string }) => (
+  <div className="h-full">{props.data}</div>
+);
diff --git a/src/components/Nvim/NvimTree.tsx b/src/components/Nvim/NvimTree.tsx
index ec25961..20eca84 100644
--- a/src/components/Nvim/NvimTree.tsx
+++ b/src/components/Nvim/NvimTree.tsx
@@ -3,6 +3,7 @@ import { CHAR_HEIGHT, CHAR_WIDTH } from "../Kitty";
 import { type ReactNode, useEffect, useState } from "react";
 import { type InnerKittyProps } from "~/utils/types";
 import { type Nvim } from ".";
+import { useNavigate } from "react-router-dom";
 
 type FileIcon = {
   char: string;
@@ -12,7 +13,7 @@ type FileIcon = {
 type File = {
   name: string;
 } & (
-  | { type: "file" }
+  | { type: "file"; directory?: File & { type: "directory" } }
   | { type: "directory"; files: Array<string>; folded: boolean }
 );
 
@@ -41,19 +42,20 @@ const sortFiles = (files: Array<File>) =>
 
 export const NvimTree = (props: InnerKittyProps<typeof Nvim>) => {
   const { rootManifest, activeKitty } = useApp();
+  const navigate = useNavigate();
 
-  const [selected, setSelected] = useState(0);
   const [files, setFiles] = useState<Array<File>>(
     sortFiles([
       {
         type: "directory",
         name: "projects",
         files: rootManifest.projects,
-        folded: false,
+        folded: true,
       },
       ...rootManifest.files.map((name) => ({ type: "file" as const, name })),
     ]),
   );
+  const [selected, setSelected] = useState(files.length - 1);
 
   const tree: Array<ReactNode> = [];
   let y = 0;
@@ -87,7 +89,11 @@ export const NvimTree = (props: InnerKittyProps<typeof Nvim>) => {
         for (let i = 0; i < fileOrDir.files.length; i++) {
           y++;
           if (y === selected)
-            selectedFile = { type: "file", name: fileOrDir.files[i] };
+            selectedFile = {
+              type: "file",
+              name: fileOrDir.files[i],
+              directory: fileOrDir,
+            };
 
           const icon = FILE_ICONS.UNKNOWN;
           const fy = y;
@@ -150,7 +156,12 @@ export const NvimTree = (props: InnerKittyProps<typeof Nvim>) => {
           if (selectedFile.type === "directory") {
             selectedFile.folded = !selectedFile.folded;
           } else {
-            console.log(`navigate to ${selectedFile.name}`);
+            let filePath = "";
+            if (selectedFile.directory) {
+              filePath += `${selectedFile.directory.name}/`;
+            }
+
+            navigate(`?view=${filePath}${selectedFile.name}`);
           }
 
           setFiles([...files]);
diff --git a/src/components/Nvim/index.tsx b/src/components/Nvim/index.tsx
index 5952687..369c7e0 100644
--- a/src/components/Nvim/index.tsx
+++ b/src/components/Nvim/index.tsx
@@ -4,9 +4,59 @@ import { NvimEditor } from "./NvimEditor";
 import { NvimInput } from "./NvimInput";
 import { NvimStatusBar } from "./NvimStatusBar";
 import { NvimTree } from "./NvimTree";
+import { useLocation, useNavigate } from "react-router-dom";
+import { useEffect, useState } from "react";
+import axios from "axios";
+
+const fetchData = async (
+  branch: string,
+  repo: string,
+  file: string,
+): Promise<string | null> => {
+  try {
+    const response = await axios.get<string>(
+      `https://raw.githubusercontent.com/pihkaal/${repo}/${branch}/${file}`,
+    );
+    return response.data;
+  } catch {
+    return null;
+  }
+};
 
 export const Nvim = (_props: {}) => {
   const kitty = useKitty();
+  const location = useLocation();
+  const navigate = useNavigate();
+
+  const [data, setData] = useState<string>();
+
+  useEffect(() => {
+    const params = new URLSearchParams(location.search);
+    const view = params.get("view");
+    if (!view) {
+      navigate("?view=README.md");
+      return;
+    }
+
+    const path = view.split("/");
+    if (path.length === 1) {
+      path.splice(0, 0, "pihkaal");
+    }
+    const repo = path[0]!;
+    const file = path[1]!;
+
+    void (async () => {
+      const data =
+        (await fetchData("main", repo, file)) ??
+        (await fetchData("dev", repo, file));
+      if (!data) {
+        navigate("?view=README.md");
+        return;
+      }
+
+      setData(data);
+    })();
+  }, [location, navigate]);
 
   return (
     <div
@@ -21,8 +71,8 @@ export const Nvim = (_props: {}) => {
           <div style={{ gridArea: "1 / 1 / 1 / 2" }}>
             <NvimTree {...kitty} />
           </div>
-          <div style={{ gridArea: "1 / 2 / 1 / 3" }}>
-            <NvimEditor />
+          <div style={{ gridArea: "1 / 2 / 1 / 3", overflow: "scroll" }}>
+            <NvimEditor data={data ?? ""} />
           </div>
           <div style={{ gridArea: "2 / 1 / 2 / 3" }}>
             <NvimStatusBar