From 6dab45f7e5b7d063d146829f2c14d6647f1e46dd Mon Sep 17 00:00:00 2001
From: Christian Segundo
Date: Mon, 20 Nov 2023 01:18:56 +0100
Subject: wip

---
 page_action.js | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 83 insertions(+), 10 deletions(-)

(limited to 'page_action.js')

diff --git a/page_action.js b/page_action.js
index ccb7925..8efa274 100644
--- a/page_action.js
+++ b/page_action.js
@@ -1,13 +1,86 @@
-function handleClick(tab) {
-  const newUrl = tab.url.replace('https://', 'https+vim://');
-  console.log(newUrl);
-  newTab = browser.tabs.create({ url: newUrl });
-
-  // TODO: close the tab after it's been opened
-  // this doesn't work as it happens too fast and the app isn't open yet
-  //newTab.then(function(ntab) {
-  //browser.tabs.remove(ntab.id);
-  //})
+function onResponse(response) {
+  console.log(`Received ${response}`);
+}
+
+function onError(error) {
+  console.log(`Error: ${error}`);
+}
+
+async function handleClick(tab) {
+  const gldata = await parsetab(tab.id);
+  browser.runtime.sendNativeMessage("ping_pong", gldata)
+    .then(onResponse, onError);
+}
+
+async function parsetab(tabId) {
+  const tab = browser.tabs.get(tabId);
+  var data = {
+    host: null,
+    repo: null,
+    file: null,
+    branch: null
+  };
+
+  // try to find the Clone button to determine if we're in a root repo
+  // <span class="js-clone-dropdown-label">Clone</span>
+  const hasClone = await tab.then(async function(tab) {
+    const txt = await browser.tabs.executeScript(tab.id, {
+      code: 'document.querySelector(".js-clone-dropdown-label").innerText'
+    }).then(function(result) {
+      if (!result) { throw new Error("No result"); }
+      return result[0];
+    }).catch(function() {
+      return '';
+    });
+
+    if (txt && txt === 'Clone ') {
+      return true;
+    }
+    return false;
+  });
+
+  // try to find the Blame button to determine if we're in a file inside a repo
+  const hasBlame = await tab.then(async function(tab) {
+    const txt = await browser.tabs.executeScript(tab.id, {
+      code: 'document.querySelector(".js-blob-blame-link").innerText'
+    }).then(function(result) {
+      if (!result) { throw new Error("No result"); }
+      return result[0];
+    }).catch(function() {
+      return '';
+    });
+
+    if (txt && txt === 'Blame') {
+      return true;
+    }
+    return false;
+  });
+
+  // if we're not in a repo, or file within a repo, bail out
+  if (!hasClone && !hasBlame) {
+    return data;
+  }
+
+  const url = await tab.then(function(tab) { return new URL(tab.url); });
+  data.host = url.hostname;
+
+  // if we're in a root repo, the repo path should be the original url removing
+  // the hostname and leading slash
+  if (hasClone && !hasBlame) {
+    data.repo = url.pathname.substring(1);
+    // if we're in a file, resort to a regex match
+  } else if (!hasClone && hasBlame) {
+    data.repo = url.pathname.match(/^\/(.*)\/-/)[1];
+    data.branch = url.pathname.match(/^\/.*\/-\/blob\/(.*)\//)[1];
+    data.file = url.pathname.match(/^^\/.*\/-\/blob\/.*\/(.*)(\?)?/)[1];
+    if (!data.repo) { throw new Error("Could not find repo"); }
+    else if (!data.branch) { throw new Error("Could not find branch"); }
+    else if (!data.file) { throw new Error("Could not find file"); }
+  } else {
+    throw new Error("Unknown state");
+  }
+
+  return data;
 }
 
 browser.pageAction.onClicked.addListener(handleClick);
-- 
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