-- ideaDrop/config.lua

---@class Config
---@field options IdeaDropOptions
---@field setup fun(user_opts: IdeaDropOptions|nil): nil

---@class GraphOptions
---@field animate boolean Whether to animate layout (default: false)
---@field show_orphans boolean Whether to show orphan nodes (default: true)
---@field show_labels boolean Whether to show node labels by default (default: true)
---@field node_colors table<string, string>|nil Custom colors for folders/tags

---@class IdeaDropOptions
---@field idea_dir string Directory where idea files will be stored
---@field graph GraphOptions|nil Graph visualization options

local M = {}

---Default configuration options
M.options = {
	idea_dir = vim.fn.stdpath("data") .. "/ideaDrop", -- default path
	graph = {
		animate = false, -- Set to true for animated layout
		show_orphans = true, -- Show nodes with no connections
		show_labels = true, -- Show node labels by default
		node_colors = nil, -- Custom node colors by folder/tag
	},
}

---Setup function to merge user options with defaults
---@param user_opts IdeaDropOptions|nil User configuration options
---@return nil
function M.setup(user_opts)
	user_opts = user_opts or {}

	-- Handle nil idea_dir (don't override default with nil)
	if user_opts.idea_dir == nil then
		user_opts.idea_dir = M.options.idea_dir
	end

	-- Expand environment variables and ~ in idea_dir
	if user_opts.idea_dir then
		user_opts.idea_dir = vim.fn.expand(user_opts.idea_dir)
	end

	M.options = vim.tbl_deep_extend("force", M.options, user_opts)
end

---Gets the idea directory path (expanded)
---@return string
function M.get_idea_dir()
	return vim.fn.expand(M.options.idea_dir or "")
end

return M