-- Custom project picker: selecting a project changes the working directory
-- and restores that project's last session (open buffers/windows) via
-- persistence.nvim. It does NOT open a file search afterwards (the default
-- LazyVim `util.project` behaviour opens `find_files` on select).
local function pick_project_cd()
  local pickers = require("telescope.pickers")
  local finders = require("telescope.finders")
  local conf = require("telescope.config").values
  local actions = require("telescope.actions")
  local state = require("telescope.actions.state")
  local history = require("project_nvim.utils.history")
  local project = require("project_nvim.project")

  local results = history.get_recent_projects()
  -- Show most recent projects first.
  for i = 1, math.floor(#results / 2) do
    results[i], results[#results - i + 1] = results[#results - i + 1], results[i]
  end

  pickers
    .new({}, {
      prompt_title = "Recent Projects (cd only)",
      finder = finders.new_table({
        results = results,
        entry_maker = function(entry)
          local name = vim.fn.fnamemodify(entry, ":t")
          return {
            value = entry,
            display = string.format("%-30s %s", name, entry),
            ordinal = name .. " " .. entry,
          }
        end,
      }),
      previewer = false,
      sorter = conf.generic_sorter({}),
      attach_mappings = function(prompt_bufnr)
        actions.select_default:replace(function()
          local entry = state.get_selected_entry()
          actions.close(prompt_bufnr)
          if not entry then
            return
          end
          if project.set_pwd(entry.value, "telescope") then
            vim.notify("Changed project dir to " .. entry.value)
            -- Restore the last session (open buffers/windows) for this dir.
            local ok, persistence = pcall(require, "persistence")
            if ok then
              persistence.load()
            end
          end
        end)
        return true
      end,
    })
    :find()
end

return {
  -- This overrides the repository source for the built-in LazyVim extra
  {
    "ahmedkhalf/project.nvim",
    name = "project_nvim", -- Keeps internal naming intact
    url = "https://github.com/DrKJeff16/project.nvim", -- Directs lazy.nvim to download the fork
    opts = {
      manual_mode = false, -- Prevents root changing unexpectedly on every single file open
    },
  },

  -- Override <leader>fp so it only cd's into the project.
  {
    "nvim-telescope/telescope.nvim",
    optional = true,
    keys = {
      { "<leader>fp", pick_project_cd, desc = "Projects (cd only)" },
    },
  },
}