-- SPDX-FileCopyrightText: © 2026 Vladimir Zorin <vladimir@deviant.guru>
-- SPDX-License-Identifier: LicenseRef-OWL-1.0-or-later
-- Licensed under OWL v1.0+. See LICENSE.

local theme_mod = require("theme")
local ensure_tss = theme_mod.subscribe("shell")
local buffer = require("string.buffer")
local style_text = function(ctx, ...)
	return ctx:apply(...).text
end

local get = function(self)
	local tss = ensure_tss()
	local prompt = buffer.new()
	prompt:put(style_text(tss, "prompt.wiki.sep", "("))
	if self.__state.db_name then
		prompt:put(style_text(tss, "prompt.wiki.logo"))
		prompt:put(style_text(tss, "prompt.wiki.db_name", self.__state.db_name))
	else
		prompt:put(style_text(tss, "prompt.wiki.logo"))
	end
	prompt:put(style_text(tss, "prompt.wiki.sep", ")"))
	if self.__state.lines and self.__state.lines > 1 then
		prompt:put(style_text(tss, "prompt.wiki.sep", "["))
		prompt:put(style_text(tss, "prompt.wiki.sep", tostring(self.__state.line)))
		prompt:put(style_text(tss, "prompt.wiki.sep", "]"))
	end
	prompt:put(" ")
	return prompt:get()
end

local set = function(self, options)
	for key, value in pairs(options or {}) do
		self.__state[key] = value
	end
end

local new = function(config)
	local prompt = {
		cfg = config or {},
		__state = {
			db_name = nil,
			lines = 1,
			line = 1,
		},
		get = get,
		set = set,
	}
	return prompt
end

return {
	new = new,
}