1use std::{
  2    collections::HashMap,
  3    sync::{Arc, OnceLock},
  4};
  5
  6use db::kvp::KEY_VALUE_STORE;
  7
  8use editor::Editor;
  9use extension::ExtensionStore;
 10use gpui::{Entity, Model, VisualContext};
 11use language::Buffer;
 12use ui::ViewContext;
 13use workspace::{notifications::simple_message_notification, Workspace};
 14
 15pub fn suggested_extension(file_extension_or_name: &str) -> Option<Arc<str>> {
 16    static SUGGESTED: OnceLock<HashMap<&str, Arc<str>>> = OnceLock::new();
 17    SUGGESTED
 18        .get_or_init(|| {
 19            [
 20                ("astro", "astro"),
 21                ("beancount", "beancount"),
 22                ("dockerfile", "Dockerfile"),
 23                ("elisp", "el"),
 24                ("fish", "fish"),
 25                ("git-firefly", ".gitconfig"),
 26                ("git-firefly", ".gitignore"),
 27                ("git-firefly", "COMMIT_EDITMSG"),
 28                ("git-firefly", "EDIT_DESCRIPTION"),
 29                ("git-firefly", "git-rebase-todo"),
 30                ("git-firefly", "MERGE_MSG"),
 31                ("git-firefly", "NOTES_EDITMSG"),
 32                ("git-firefly", "TAG_EDITMSG"),
 33                ("gleam", "gleam"),
 34                ("graphql", "gql"),
 35                ("graphql", "graphql"),
 36                ("haskell", "hs"),
 37                ("java", "java"),
 38                ("kotlin", "kt"),
 39                ("latex", "tex"),
 40                ("make", "Makefile"),
 41                ("nix", "nix"),
 42                ("prisma", "prisma"),
 43                ("purescript", "purs"),
 44                ("r", "r"),
 45                ("r", "R"),
 46                ("sql", "sql"),
 47                ("svelte", "svelte"),
 48                ("swift", "swift"),
 49                ("templ", "templ"),
 50                ("wgsl", "wgsl"),
 51            ]
 52            .into_iter()
 53            .map(|(name, file)| (file, name.into()))
 54            .collect::<HashMap<&str, Arc<str>>>()
 55        })
 56        .get(file_extension_or_name)
 57        .map(|str| str.clone())
 58}
 59
 60fn language_extension_key(extension_id: &str) -> String {
 61    format!("{}_extension_suggest", extension_id)
 62}
 63
 64pub(crate) fn suggest(buffer: Model<Buffer>, cx: &mut ViewContext<Workspace>) {
 65    let Some(file_name_or_extension) = buffer.read(cx).file().and_then(|file| {
 66        Some(match file.path().extension() {
 67            Some(extension) => extension.to_str()?.to_string(),
 68            None => file.path().to_str()?.to_string(),
 69        })
 70    }) else {
 71        return;
 72    };
 73
 74    let Some(extension_id) = suggested_extension(&file_name_or_extension) else {
 75        return;
 76    };
 77
 78    let key = language_extension_key(&extension_id);
 79    let value = KEY_VALUE_STORE.read_kvp(&key);
 80
 81    if value.is_err() || value.unwrap().is_some() {
 82        return;
 83    }
 84
 85    cx.on_next_frame(move |workspace, cx| {
 86        let Some(editor) = workspace.active_item_as::<Editor>(cx) else {
 87            return;
 88        };
 89
 90        if editor.read(cx).buffer().read(cx).as_singleton().as_ref() != Some(&buffer) {
 91            return;
 92        }
 93
 94        workspace.show_notification(buffer.entity_id().as_u64() as usize, cx, |cx| {
 95            cx.new_view(move |_cx| {
 96                simple_message_notification::MessageNotification::new(format!(
 97                    "Do you want to install the recommended '{}' extension?",
 98                    file_name_or_extension
 99                ))
100                .with_click_message("Yes")
101                .on_click({
102                    let extension_id = extension_id.clone();
103                    move |cx| {
104                        let extension_id = extension_id.clone();
105                        let extension_store = ExtensionStore::global(cx);
106                        extension_store.update(cx, move |store, cx| {
107                            store.install_latest_extension(extension_id, cx);
108                        });
109                    }
110                })
111                .with_secondary_click_message("No")
112                .on_secondary_click(move |cx| {
113                    let key = language_extension_key(&extension_id);
114                    db::write_and_log(cx, move || {
115                        KEY_VALUE_STORE.write_kvp(key, "dismissed".to_string())
116                    });
117                })
118            })
119        });
120    })
121}