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