--- Configuration defaults, socket resolution, and default keymaps.

local M = {}

M.defaults = {
  --- Path to hephd's unix socket. `nil` → `$HEPH_SOCKET`, else the daemon default.
  socket = nil,
  --- DB path for an autostarted local daemon. `nil` → `$HEPH_DB`, else hephd's default.
  db = nil,
  --- Plug-and-play: spawn (and manage) a local hephd when none is serving
  --- `socket`. Set `false` when you run your own daemon (server/client): the
  --- plugin then connects only, and warns if nothing is reachable.
  autostart = true,
  --- hephd binary for autostart (on PATH for an installed heph).
  bin = "hephd",
  --- Set the default `<leader>h*` keymaps. `false` to opt out.
  keymaps = true,
}

--- Resolve the socket path: explicit opt, then `$HEPH_SOCKET`, then hephd's
--- default (`$XDG_RUNTIME_DIR/heph/hephd.sock`, temp-dir fallback). The env knob
--- lets a dev Neovim target a `mise run dev` daemon without touching real data.
function M.resolve_socket(opt)
  opt = (opt and #opt > 0) and opt or vim.env.HEPH_SOCKET
  if opt and #opt > 0 then
    return opt
  end
  local xdg = vim.env.XDG_RUNTIME_DIR
  local base = (xdg and #xdg > 0) and xdg or (vim.env.TMPDIR or "/tmp")
  return (base:gsub("/+$", "")) .. "/heph/hephd.sock"
end

--- Resolve the DB path for an autostarted daemon: explicit opt, then `$HEPH_DB`,
--- else nil (let hephd pick its default). Pairs with `resolve_socket` for dev
--- isolation.
function M.resolve_db(opt)
  opt = (opt and #opt > 0) and opt or vim.env.HEPH_DB
  if opt and #opt > 0 then
    return opt
  end
  return nil
end

--- Apply the default keymaps (no-op when `opts.keymaps` is false).
function M.apply_keymaps(opts)
  if not opts.keymaps then
    return
  end
  local map = vim.keymap.set
  map("n", "<leader>hj", function()
    require("heph.journal").open()
  end, { desc = "heph: today's journal" })
  map("n", "<leader>hn", function()
    require("heph.view").next()
  end, { desc = "heph: what is next (Tactical)" })
  map("n", "<leader>hl", function()
    require("heph.view").list()
  end, { desc = "heph: task list (Organizational)" })
  map("n", "<leader>hd", function()
    require("heph.task").set_state_current("done")
  end, { desc = "heph: mark current task done" })
  map("n", "<leader>hp", function()
    require("heph.task").promote_under_cursor()
  end, { desc = "heph: promote context item to a task" })
end

return M