feat: add telescope model selector extension

2 files changed, 76 insertions, 0 deletions

diff --git a/lua/99/extensions/telescope.lua b/lua/99/extensions/telescope.lua
new file mode 100644
index 0000000..ac6bec1
--- /dev/null
+++ b/lua/99/extensions/telescope.lua
@@ -0,0 +1,66 @@
+local _99 = require("99")
+
+local M = {}
+
+--- @param provider _99.Providers.BaseProvider?
+function M.select_model(provider)
+  provider = provider or _99.get_provider()
+
+  provider.fetch_models(function(models, err)
+    if err then
+      vim.notify("99: " .. err, vim.log.levels.ERROR)
+      return
+    end
+    if not models or #models == 0 then
+      vim.notify("99: No models available", vim.log.levels.WARN)
+      return
+    end
+
+    local ok, pickers = pcall(require, "telescope.pickers")
+    if not ok then
+      vim.notify(
+        "99: telescope.nvim is required for this extension",
+        vim.log.levels.ERROR
+      )
+      return
+    end
+
+    local finders = require("telescope.finders")
+    local conf = require("telescope.config").values
+    local actions = require("telescope.actions")
+    local action_state = require("telescope.actions.state")
+
+    -- position the telescope cursor at the currently selected model
+    local current = _99.get_model()
+    local default_idx = 1
+    for i, m in ipairs(models) do
+      if m == current then
+        default_idx = i
+        break
+      end
+    end
+
+    pickers
+      .new({}, {
+        prompt_title = "99: Select Model (current: " .. current .. ")",
+        default_selection_index = default_idx,
+        finder = finders.new_table({ results = models }),
+        sorter = conf.generic_sorter({}),
+        attach_mappings = function(prompt_bufnr)
+          actions.select_default:replace(function()
+            actions.close(prompt_bufnr)
+            local selection = action_state.get_selected_entry()
+            if not selection then
+              return
+            end
+            _99.set_model(selection[1])
+            vim.notify("99: Model set to " .. selection[1])
+          end)
+          return true
+        end,
+      })
+      :find()
+  end)
+end
+
+return M
diff --git a/lua/99/init.lua b/lua/99/init.lua
index 61085ad..a20f8a1 100644
--- a/lua/99/init.lua
+++ b/lua/99/init.lua
@@ -515,6 +515,16 @@ function _99.set_model(model)
   return _99
 end
 
+--- @return string
+function _99.get_model()
+  return _99_state.model
+end
+
+--- @return _99.Providers.BaseProvider
+function _99.get_provider()
+  return _99_state.provider_override or Providers.OpenCodeProvider
+end
+
 function _99.__debug()
   Logger:configure({
     path = nil,