From 672f0d32e322b79661b5d7959887adaa9e41ad98 Mon Sep 17 00:00:00 2001
From: Daniil Rozanov <daniilrozzanov@gmail.com>
Date: Fri, 29 Mar 2024 04:37:56 +0300
Subject: feat: build from current variant

---
 lua/cmake-explorer.lua                       | 112 --------
 lua/cmake-explorer/build_list.lua            |  57 ----
 lua/cmake-explorer/cache.lua                 |  47 ++++
 lua/cmake-explorer/capabilities.lua          |   8 +-
 lua/cmake-explorer/config.lua                |  37 ++-
 lua/cmake-explorer/file_api.lua              | 117 +++++----
 lua/cmake-explorer/init.lua                  |  67 +++++
 lua/cmake-explorer/notification.lua          |   1 +
 lua/cmake-explorer/project.lua               | 375 +++++++++++++++++++--------
 lua/cmake-explorer/project_uauaua.lua        | 113 ++++++++
 lua/cmake-explorer/runner.lua                |  27 +-
 lua/cmake-explorer/telescope/make_entry.lua  |  57 ++++
 lua/cmake-explorer/telescope/pickers.lua     | 103 ++++++++
 lua/cmake-explorer/telescope/previewers.lua  |  40 +++
 lua/cmake-explorer/telescope/test.lua        |  46 ++++
 lua/cmake-explorer/utils.lua                 | 102 ++++----
 lua/telescope/_extensions/cmake-explorer.lua |   0
 plugin/cmake-explorer.lua                    |  33 +++
 18 files changed, 941 insertions(+), 401 deletions(-)
 delete mode 100644 lua/cmake-explorer.lua
 delete mode 100644 lua/cmake-explorer/build_list.lua
 create mode 100644 lua/cmake-explorer/cache.lua
 create mode 100644 lua/cmake-explorer/init.lua
 create mode 100644 lua/cmake-explorer/project_uauaua.lua
 create mode 100644 lua/cmake-explorer/telescope/make_entry.lua
 create mode 100644 lua/cmake-explorer/telescope/pickers.lua
 create mode 100644 lua/cmake-explorer/telescope/previewers.lua
 create mode 100644 lua/cmake-explorer/telescope/test.lua
 create mode 100644 lua/telescope/_extensions/cmake-explorer.lua
 create mode 100644 plugin/cmake-explorer.lua

diff --git a/lua/cmake-explorer.lua b/lua/cmake-explorer.lua
deleted file mode 100644
index eec4f5d..0000000
--- a/lua/cmake-explorer.lua
+++ /dev/null
@@ -1,112 +0,0 @@
-local config = require("cmake-explorer.config")
-local runner = require("cmake-explorer.runner")
-local Project = require("cmake-explorer.project")
-local capabilities = require("cmake-explorer.capabilities")
-local utils = require("cmake-explorer.utils")
-local Path = require("plenary.path")
-
-local M = {}
-
-local project = nil
-
-local format_build_dir = function()
-	if Path:new(config.build_dir):is_absolute() then
-		return function(v)
-			return Path:new(v.path):make_relative(vim.env.HOME)
-		end
-	else
-		return function(v)
-			return Path:new(v.path):make_relative(project.path)
-		end
-	end
-end
-
-function M.list_build_dirs()
-	if project then
-		vim.print(project:list_build_dirs())
-	end
-end
-
-function M.configure()
-	assert(project)
-	local generators = capabilities.generators()
-	table.insert(generators, 1, "Default")
-	vim.ui.select(generators, { prompt = "Select generator" }, function(generator)
-		if not generator then
-			return
-		end
-		-- TODO: handle default generator from env (or from anywhere else)
-		generator = utils.is_neq(generator, "Default")
-		vim.ui.select(config.build_types, { prompt = "Select build type" }, function(build_type)
-			if not build_type then
-				return
-			end
-			vim.ui.input({ prompt = "Input additional args" }, function(args)
-				if not build_type then
-					return
-				end
-				local task = project:configure({ generator = generator, build_type = build_type, args = args })
-				runner.start(task)
-			end)
-		end)
-	end)
-end
-
-function M.configure_dir()
-	assert(project)
-
-	vim.ui.select(
-		project:list_build_dirs(),
-		{ prompt = "Select directory to build", format_item = format_build_dir() },
-		function(dir)
-			if not dir then
-				return
-			end
-			local task = project:configure(dir.path)
-			runner.start(task)
-		end
-	)
-end
-
-function M.configure_last()
-	local task = project:configure_last()
-	runner.start(task)
-end
-
-M.setup = function(cfg)
-	cfg = cfg or {}
-
-	config.setup(cfg)
-	capabilities.setup()
-
-	project = Project:new(vim.loop.cwd())
-	if not project then
-		print("cmake-explorer: no CMakeLists.txt file found. Aborting setup")
-		return
-	end
-	project:scan_build_dirs()
-
-	local cmd = vim.api.nvim_create_user_command
-
-	cmd("CMakeConfigure", M.configure, { -- opts
-		nargs = 0,
-		bang = true,
-		desc = "CMake configure with parameters",
-	})
-
-	cmd(
-		"CMakeConfigureLast",
-		M.configure_last,
-		{ nargs = 0, bang = true, desc = "CMake configure last if exists. Otherwise default" }
-	)
-
-	cmd(
-		"CMakeConfigureDir",
-		M.configure_dir,
-		{ nargs = 0, bang = true, desc = "CMake configure last if exists. Otherwise default" }
-	)
-
-	cmd("CMakeListBuilds", M.list_build_dirs, { nargs = 0 })
-end
-
-return M
diff --git a/lua/cmake-explorer/build_list.lua b/lua/cmake-explorer/build_list.lua
deleted file mode 100644
index 7abaddc..0000000
--- a/lua/cmake-explorer/build_list.lua
+++ /dev/null
@@ -1,57 +0,0 @@
-local Build = require("cmake-explorer.build")
-
-local BuildFilter = {}
-
-BuildFilter.__call = function(self, build)
-	for k, v in pairs(self) do
-		if type(k) == "string" then
-			if v ~= build[k] then
-				return false
-			end
-		end
-	end
-	return true
-end
-
-local BuildList = {
-	__newindex = function(t, k, v)
-		for _, value in ipairs(t) do
-			if value == v then
-				return
-			end
-		end
-		rawset(t, k, v)
-	end,
-}
-
-function BuildList:new()
-	local obj = {
-		current = nil,
-	}
-	setmetatable(obj, BuildList)
-	return obj
-end
-
-function BuildList:insert(o)
-	local build = Build:new(o)
-	table.insert(self, build)
-	self.current = build
-end
-
-function BuildList:filter(pred)
-	pred = pred or {}
-	local i, n = 0, #self
-	if type(pred) == "table" then
-		setmetatable(pred, BuildFilter)
-	end
-	return function()
-		repeat
-			i = i + 1
-			if pred(self[i]) then
-				return self[i]
-			end
-		until i ~= n
-	end
-end
-
-return BuildList
diff --git a/lua/cmake-explorer/cache.lua b/lua/cmake-explorer/cache.lua
new file mode 100644
index 0000000..046a9f9
--- /dev/null
+++ b/lua/cmake-explorer/cache.lua
@@ -0,0 +1,47 @@
+local Cache = {}
+
+local os = {
+	iswin32 = vim.fn.has("win32") == 1,
+	ismac = vim.fn.has("mac") == 1,
+	iswsl = vim.fn.has("wsl") == 1,
+	islinux = vim.fn.has("linux") == 1,
+}
+
+local dir = {
+	unix = vim.fn.expand("~") .. "/.cache/cmake_explorer_nvim/",
+	mac = vim.fn.expand("~") .. "/.cache/cmake_explorer_nvim/",
+	win = vim.fn.expand("~") .. "/AppData/Local/cmake_explorer_nvim/",
+}
+
+local function get_cache_path()
+	if os.islinux then
+		return dir.unix
+	elseif os.ismac then
+		return dir.mac
+	elseif os.iswsl then
+		return dir.unix
+	elseif os.iswin32 then
+		return dir.win
+	end
+end
+
+local function get_clean_path(path)
+	local current_path = path
+	local clean_path = current_path:gsub("/", "")
+	clean_path = clean_path:gsub("\\", "")
+	clean_path = clean_path:gsub(":", "")
+	return clean_path
+end
+
+function Cache.load(path)
+	return
+end
+
+function Cache.save_global(tbl)
+	local to_save = vim.tbl_deep_extend("keep", tbl)
+	setmetatable(to_save, nil)
+	local path = get_project_path()
+	local file = io.open(path, "w")
+end
+
+return Cache
diff --git a/lua/cmake-explorer/capabilities.lua b/lua/cmake-explorer/capabilities.lua
index f3a966c..052f484 100644
--- a/lua/cmake-explorer/capabilities.lua
+++ b/lua/cmake-explorer/capabilities.lua
@@ -8,7 +8,7 @@ local multiconfig_generators = {
 	"Visual Studio 15 2017",
 	"Visual Studio 16 2019",
 	"Visual Studio 17 2022",
-	-- "Green Hills MULTI"
+	"Green Hills MULTI",
 }
 
 local Capabilities = {
@@ -27,6 +27,10 @@ function Capabilities.generators()
 end
 
 function Capabilities.is_multiconfig_generator(generator)
+	-- if generator is nil, assume is is not multiconifg
+	if not generator then
+		return
+	end
 	return vim.tbl_contains(multiconfig_generators, generator)
 end
 
@@ -35,7 +39,7 @@ function Capabilities.has_fileapi()
 end
 
 Capabilities.setup = function()
-	local output = vim.fn.system({ config.cmake_cmd, "-E", "capabilities" })
+	local output = vim.fn.system({ config.cmake_path, "-E", "capabilities" })
 	Capabilities.json = vim.json.decode(output)
 end
 
diff --git a/lua/cmake-explorer/config.lua b/lua/cmake-explorer/config.lua
index 21788ce..611f526 100644
--- a/lua/cmake-explorer/config.lua
+++ b/lua/cmake-explorer/config.lua
@@ -1,9 +1,36 @@
 local default_config = {
-	cmake_cmd = "cmake",
-	build_dir_template = { "build", "${buildType}", sep = "-", case = nil },
-	build_dir = "",
-	build_types = { "Debug", "Release" },
-	options = {},
+	cmake_path = "cmake",
+	environment = {},
+	configure_environment = {},
+	build_directory = "${workspaceFolder}/build-${buildType}",
+	build_environment = {},
+	build_args = {},
+	build_tool_args = {},
+	generator = nil,
+	default_variants = {
+		{
+			default = "debug",
+			description = "Build type",
+			choices = {
+				debug = { short = "Debug", long = "Long debug", buildType = "Debug" },
+				release = { short = "Release", long = "Long release", buildType = "Release" },
+			},
+		},
+		{
+			default = "static",
+			choices = {
+				static = { short = "Static", long = "Long static", linkage = "static" },
+				shared = { short = "Shared", long = "Long shared", linkage = "shared" },
+			},
+		},
+	},
+	variants_display = {
+		short_sep = " × ",
+		long_sep = " ❄ ",
+	},
+	parallel_jobs = nil,
+	save_before_build = true,
+	source_directory = "${workspaceFolder}",
 }
 
 local M = vim.deepcopy(default_config)
diff --git a/lua/cmake-explorer/file_api.lua b/lua/cmake-explorer/file_api.lua
index cd83be4..37eda3a 100644
--- a/lua/cmake-explorer/file_api.lua
+++ b/lua/cmake-explorer/file_api.lua
@@ -2,6 +2,7 @@ local capabilities = require("cmake-explorer.capabilities")
 local Path = require("plenary.path")
 local Scandir = require("plenary.scandir")
 local notif = require("cmake-explorer.notification")
+local utils = require("cmake-explorer.utils")
 
 local query_path_suffix = { ".cmake", "api", "v1", "query", "client-cmake-explorer", "query.json" }
 local reply_dir_suffix = { ".cmake", "api", "v1", "reply" }
@@ -11,83 +12,81 @@ local FileApi = {}
 FileApi.__index = FileApi
 
 function FileApi:new(opts)
-  if not capabilities.has_fileapi() then
-    notif.notify("No fileapi files", vim.log.levels.ERROR)
-    return
-  end
-  local path
-  if type(opts) == "string" then
-    path = opts
-  end
-  local obj = {
-    path = Path:new(path):absolute(),
-    index = nil,
-    cmakefiles = nil,
-    codemodel = nil,
-    targets = nil,
-  }
-  Path:new(path):mkdir({ parents = true })
-  setmetatable(obj, FileApi)
-  return obj
+	if not capabilities.has_fileapi() then
+		notif.notify("No fileapi files", vim.log.levels.ERROR)
+		return
+	end
+	local path
+	if type(opts) == "string" then
+		path = opts
+	end
+	local obj = {
+		path = path,
+		index = nil,
+		cmakefiles = nil,
+		codemodel = nil,
+		targets = {},
+	}
+	setmetatable(obj, FileApi)
+	return obj
 end
 
 function FileApi:create()
-  local query = Path:new(self.path, unpack(query_path_suffix))
-  if not query:exists() then
-    if not query:touch({ parents = true }) then
-      notif.notify("Cannot create query file", vim.log.levels.ERROR)
-      return
-    end
-    query:write(vim.json.encode(capabilities.json.fileApi), "w")
-  end
-  Path:new(self.path, unpack(reply_dir_suffix)):mkdir({ parents = true })
-  return true
+	local query = Path:new(self.path, unpack(query_path_suffix))
+	if not query:exists() then
+		if not query:touch({ parents = true }) then
+			notif.notify("Cannot create query file", vim.log.levels.ERROR)
+			return
+		end
+		query:write(vim.json.encode(capabilities.json.fileApi), "w")
+	end
+	Path:new(self.path, unpack(reply_dir_suffix)):mkdir({ parents = true })
+	return true
 end
 
 function FileApi:read_reply()
-  if not self:reply_exists() then
-    notif.notify("No reply directory", vim.log.levels.ERROR)
-    return
-  end
-  local reply_dir = Path:new(self.path, unpack(reply_dir_suffix))
-  local index = Scandir.scan_dir(tostring(reply_dir), { search_pattern = "index*" })
-  if #index == 0 then
-    notif.notify("No files in reply", vim.log.levels.ERROR)
-    return
-  end
-  self.index = vim.json.decode(Path:new(index[1]):read())
-  for _, object in ipairs(self.index.objects) do
-    if object.kind == "codemodel" then
-      self.codemodel = vim.json.decode((reply_dir / object.jsonFile):read())
-      self.targets = {}
-      for _, target in ipairs(self.codemodel.configurations[1].targets) do
-        table.insert(self.targets, vim.json.decode((reply_dir / target.jsonFile):read()))
-      end
-    elseif object.kind == "cmakeFiles" then
-      self.cmakefiles = vim.json.decode(Path:new(reply_dir / object.jsonFile):read())
-    end
-  end
-  return true
+	if not self:reply_exists() then
+		notif.notify("No reply directory", vim.log.levels.ERROR)
+		return
+	end
+	local reply_dir = Path:new(self.path, unpack(reply_dir_suffix))
+	local index = Scandir.scan_dir(tostring(reply_dir), { search_pattern = "index*" })
+	if #index == 0 then
+		notif.notify("No files in reply", vim.log.levels.ERROR)
+		return
+	end
+	self.index = vim.json.decode(Path:new(index[1]):read())
+	for _, object in ipairs(self.index.objects) do
+		if object.kind == "codemodel" then
+			self.codemodel = vim.json.decode((reply_dir / object.jsonFile):read())
+			for _, target in ipairs(self.codemodel.configurations[1].targets) do
+				self.targets[target.name] = vim.json.decode((reply_dir / target.jsonFile):read())
+			end
+		elseif object.kind == "cmakeFiles" then
+			self.cmakefiles = vim.json.decode(Path:new(reply_dir / object.jsonFile):read())
+		end
+	end
+	return true
 end
 
 function FileApi:query_exists()
-  return Path:new(self.path, unpack(query_path_suffix)):exists()
+	return Path:new(self.path, unpack(query_path_suffix)):exists()
 end
 
 function FileApi:reply_exists()
-  local reply_dir = Path:new(self.path, unpack(reply_dir_suffix))
-  if not reply_dir:exists() then
-    return
-  end
-  return true
+	local reply_dir = Path:new(self.path, unpack(reply_dir_suffix))
+	if not reply_dir:exists() then
+		return
+	end
+	return true
 end
 
 function FileApi:exists()
-  return self:query_exists() and self:reply_exists()
+	return self:query_exists() and self:reply_exists()
 end
 
 function FileApi.is_fileapi(other)
-  return getmetatable(other) == FileApi
+	return getmetatable(other) == FileApi
 end
 
 return FileApi
diff --git a/lua/cmake-explorer/init.lua b/lua/cmake-explorer/init.lua
new file mode 100644
index 0000000..622eebd
--- /dev/null
+++ b/lua/cmake-explorer/init.lua
@@ -0,0 +1,67 @@
+local config = require("cmake-explorer.config")
+local runner = require("cmake-explorer.runner")
+local Project = require("cmake-explorer.project")
+local capabilities = require("cmake-explorer.capabilities")
+local utils = require("cmake-explorer.utils")
+local Path = require("plenary.path")
+local pickers = require("cmake-explorer.telescope.pickers")
+local notif = require("cmake-explorer.notification")
+
+local M = {}
+
+M.project = nil
+
+local format_build_dir = function()
+	if Path:new(config.build_dir):is_absolute() then
+		return function(v)
+			return Path:new(v.path):make_relative(vim.env.HOME)
+		end
+	else
+		return function(v)
+			return Path:new(v.path):make_relative(M.project.path)
+		end
+	end
+end
+
+function M.configure(opts)
+	assert(M.project)
+	opts = opts or {}
+	pickers.configure(opts)
+end
+
+function M.configure_last(opts)
+	if not M.project.current_config then
+		notif.notify("No current configuration")
+		return
+	end
+	runner.start(M.project:configure_command())
+end
+
+function M.build(opts)
+	opts = opts or {}
+	pickers.build(opts)
+end
+
+function M.build_last(opts)
+	if not M.project.current_config then
+		notif.notify("No current configuration")
+		return
+	end
+	runner.start(M.project:build_command())
+end
+
+function M.setup(opts)
+	opts = opts or {}
+
+	config.setup(opts)
+	capabilities.setup()
+
+	M.project = Project:from_variants(config.default_variants)
+
+	if not M.project then
+		print("fuuuuuuuuuuuu")
+		return
+	end
+end
+
+return M
diff --git a/lua/cmake-explorer/notification.lua b/lua/cmake-explorer/notification.lua
index fa8ff6e..0029241 100644
--- a/lua/cmake-explorer/notification.lua
+++ b/lua/cmake-explorer/notification.lua
@@ -6,6 +6,7 @@ function Notification.notify(msg, lvl, opts)
   opts = opts or {}
   if has_notify then
     opts.hide_from_history = true
+    opts.title = "CMake Explorer"
     return notify(msg, lvl, opts)
   end
 end
diff --git a/lua/cmake-explorer/project.lua b/lua/cmake-explorer/project.lua
index 7006656..ca77728 100644
--- a/lua/cmake-explorer/project.lua
+++ b/lua/cmake-explorer/project.lua
@@ -1,114 +1,283 @@
 local config = require("cmake-explorer.config")
-local capabilities = require("cmake-explorer.capabilities")
-local FileApi = require("cmake-explorer.file_api")
 local Path = require("plenary.path")
-local Scandir = require("plenary.scandir")
 local utils = require("cmake-explorer.utils")
-local notif = require("cmake-explorer.notification")
+local FileApi = require("cmake-explorer.file_api")
+
+local VariantConfig = {}
+
+VariantConfig.__index = VariantConfig
+
+local variant_subs = {
+  ["${workspaceFolder}"] = vim.loop.cwd(),
+  ["${userHome}"] = vim.loop.os_homedir(),
+}
+
+function VariantConfig:new(obj)
+  setmetatable(obj, VariantConfig)
+  obj.subs = obj:_subs()
+  obj.build_directory = obj:_build_directory()
+  obj.configure_args = obj:_configure_args()
+  obj.configure_command = obj:_configure_command()
+  obj.build_args = obj:_build_args()
+  obj.build_command = obj:_build_command()
+  if not obj.fileapis[obj.build_directory] then
+    local fa = FileApi:new(obj.build_directory)
+    if fa and fa:exists() then
+      fa:read_reply()
+      obj.fileapis[obj.build_directory] = fa
+    end
+  end
+
+  return obj
+end
+
+function VariantConfig:_subs()
+  return vim.tbl_deep_extend("keep", variant_subs, { ["${buildType}"] = self.buildType })
+end
+
+function VariantConfig:_build_directory()
+  return utils.substitude(config.build_directory, self.subs)
+end
+
+function VariantConfig:_configure_args()
+  local args = {}
+  if self.generator then
+    table.insert(args, "-G " .. '"' .. self.generator .. '"')
+  end
+  if self.buildType then
+    table.insert(args, "-DCMAKE_BUILD_TYPE=" .. self.buildType)
+  end
+  if self.linkage and string.lower(self.linkage) == "static" then
+    table.insert(args, "-DCMAKE_BUILD_SHARED_LIBS=OFF")
+  elseif self.linkage and string.lower(self.linkage) == "shared" then
+    table.insert(args, "-DCMAKE_BUILD_SHARED_LIBS=ON")
+  end
+  for k, v in pairs(self.settings or {}) do
+    table.insert(args, "-D" .. k .. "=" .. v)
+  end
+  table.insert(args, "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON")
+  table.insert(
+    args,
+    "-B" .. Path:new(self.build_directory):make_relative(utils.substitude(config.source_directory, self.subs))
+  )
+  return args
+end
+
+function VariantConfig:_configure_command()
+  local ret = {}
+  ret.cmd = config.cmake_path
+  ret.args = self.configure_args
+  ret.cwd = variant_subs["${workspaceFolder}"]
+  ret.env = vim.tbl_deep_extend("keep", self.env, config.configure_environment, config.environment)
+  ret.after_success = function()
+    utils.symlink_compile_commands(self.build_directory, variant_subs["${workspaceFolder}"])
+    self.fileapis[self.build_directory]:read_reply()
+  end
+  ret.before_run = function()
+    self.current_config_ref = self
+    local fa = FileApi:new(self.build_directory)
+    if not fa then
+      return
+    end
+    if not fa:create() then
+      return
+    end
+    self.fileapis[self.build_directory] = fa
+    return true
+  end
+  return ret
+end
+
+function VariantConfig:_build_args()
+  local args = { "--build" }
+  table.insert(
+    args,
+    Path:new(self.build_directory):make_relative(utils.substitude(config.source_directory, self.subs))
+  )
+  if #self.buildArgs ~= 0 then
+    for _, v in ipairs(self.buildArgs) do
+      table.insert(args, v)
+    end
+  elseif #config.build_args ~= 0 then
+    for _, v in ipairs(config.build_args) do
+      table.insert(args, v)
+    end
+  end
+  if #self.buildToolArgs ~= 0 or #config.build_tool_args ~= 0 then
+    table.insert(args, "--")
+    if #self.buildToolArgs ~= 0 then
+      for _, v in ipairs(self.buildToolArgs) do
+        table.insert(args, v)
+      end
+    elseif #config.build_tool_args ~= 0 then
+      for _, v in ipairs(config.build_tool_args) do
+        table.insert(args, v)
+      end
+    end
+  end
+  return args
+end
+
+function VariantConfig:_build_command()
+  local ret = {}
+  ret.cmd = config.cmake_path
+  ret.args = self.build_args
+  ret.cwd = variant_subs["${workspaceFolder}"]
+  ret.env = vim.tbl_deep_extend("keep", self.env, config.configure_environment, config.environment)
+  return ret
+end
+
+local function cartesian_product(sets)
+  local function collapse_result(res)
+    local ret = {
+      short = {},
+      long = {},
+      buildType = nil,
+      linkage = nil,
+      generator = nil,
+      buildArgs = {},
+      buildToolArgs = {},
+      settings = {},
+      env = {},
+    }
+    local is_default = true
+    for _, v in ipairs(res) do
+      if not v.default then
+        is_default = false
+      end
+      ret.short[#ret.short + 1] = v.short
+      ret.long[#ret.long + 1] = v.long
+      ret.buildType = v.buildType or ret.buildType
+      ret.linkage = v.linkage or ret.linkage
+      ret.generator = v.generator or ret.generator
+      ret.buildArgs = v.buildArgs or ret.buildArgs
+      ret.buildToolArgs = v.buildToolArgs or ret.buildToolArgs
+      for sname, sval in pairs(v.settings or {}) do
+        ret.settings[sname] = sval
+      end
+      for ename, eres in pairs(v.env or {}) do
+        ret.env[ename] = eres
+      end
+    end
+    ret.display = {}
+    ret.display.short = table.concat(ret.short, config.variants_display.short_sep)
+    ret.display.long = table.concat(ret.long, config.variants_display.short_sep)
+    ret.default = is_default or nil
+    return ret
+  end
+  local result = {}
+  local set_count = #sets
+  local function descend(depth)
+    for k, v in pairs(sets[depth].choices) do
+      if sets[depth].default ~= k then
+        result.default = false
+      end
+      result[depth] = v
+      result[depth].default = (k == sets[depth].default)
+      if depth == set_count then
+        coroutine.yield(collapse_result(result))
+      else
+        descend(depth + 1)
+      end
+    end
+  end
+  return coroutine.wrap(function()
+    descend(1)
+  end)
+end
 
 local Project = {}
 
 Project.__index = Project
 
-function Project:new(o)
-	o = o or {}
-
-	local path
-	if type(o) == "string" then
-		path = o
-	elseif type(o) == "table" and o.path then
-		path = o.path
-	else
-		return
-	end
-
-	if not Path:new(path, "CMakeLists.txt"):exists() then
-		return
-	end
-
-	local obj = {
-		path = Path:new(path):absolute(),
-		fileapis = {},
-		last_generate = {},
-	}
-	setmetatable(obj, Project)
-	return obj
-end
-
-function Project:scan_build_dirs()
-	local builds_root = utils.is_eq(
-		Path:new(config.build_dir):absolute(),
-		true,
-		config.build_dir,
-		Path:new(self.path, config.build_dir):absolute()
-	)
-	local candidates = Scandir.scan_dir(builds_root, { hidden = false, only_dirs = true, depth = 0, silent = true })
-	for _, v in ipairs(candidates) do
-		local fa = FileApi:new(v)
-		if fa and fa:exists() and fa:read_reply() then
-			self.fileapis[v] = fa
-		end
-	end
-end
-
-function Project:symlink_compile_commands(path)
-	local src = Path:new(path, "compile_commands.json")
-	if src:exists() then
-		vim.cmd(
-			'silent exec "!'
-			.. config.cmake_cmd
-			.. " -E create_symlink "
-			.. src:absolute()
-			.. " "
-			.. Path:new(self.path, "compile_commands.json"):absolute()
-			.. '"'
-		)
-	end
-end
-
-function Project:configure(params)
-	params = params or {}
-	local args = utils.generate_args(params, self.path)
-	local build_dir = utils.build_path(params, self.path)
-	if not args then
-		return
-	end
-	if not self.fileapis[build_dir] then
-		local fa = FileApi:new(build_dir)
-		if not fa then
-			notif.notify("Cannot fileapi object", vim.log.levels.ERROR)
-			return
-		end
-		if not fa:create() then
-			return
-		end
-		self.fileapis[build_dir] = fa
-	end
-
-	return {
-		cmd = config.cmake_cmd,
-		args = args,
-		cwd = Path:new(self.path):absolute(),
-		after_success = function()
-			self.last_generate = build_dir
-			self.fileapis[build_dir]:read_reply()
-			self:symlink_compile_commands(build_dir)
-		end,
-	}
-end
-
-function Project:configure_last()
-	return self:configure(self.last_generate)
-end
-
-function Project:list_build_dirs()
-	local ret = {}
-	for k, _ in pairs(self.fileapis) do
-		local build = {}
-		build.path = k
-		table.insert(ret, build)
-	end
-	return ret
+function Project:from_variants(variants)
+  local obj =
+  { headers = {}, display = { short_len = 10, long_len = 30 }, configs = {}, current_config = nil, fileapis = {} }
+  for _, v in pairs(variants) do
+    table.insert(obj.headers, v.description or "")
+  end
+  for v in cartesian_product(variants) do
+    v.fileapis = obj.fileapis
+    v.current_config_ref = obj.current_config
+    v = VariantConfig:new(v)
+    obj.display.short_len = math.max(obj.display.short_len, string.len(v.display.short))
+    table.insert(obj.configs, v)
+    if v.default then
+      obj.current_config = v
+    end
+    if not obj.fileapis[v.build_directory] then
+      local fa = FileApi:new(v.build_directory)
+      if fa and fa:exists() then
+        fa:read_reply()
+        obj.fileapis[v.build_directory] = fa
+      end
+    end
+  end
+  setmetatable(obj, Project)
+  return obj
+end
+
+function Project:from_presets(presets)
+  local obj = { { 1, 3, ddf = "" } }
+  return setmetatable(obj, self)
+end
+
+function Project:set_current_config(idx)
+  self.current_config = self.configs[idx]
+end
+
+function Project:set_current_build() end
+
+function Project:configure_command()
+  return self.current_config.configure_command
+end
+
+function Project:current_configure_index()
+  for k, v in ipairs(self.configs) do
+    if v == self.current_config then
+      return k
+    end
+  end
+  return 1
+end
+
+function Project:current_build_index()
+  if not self.current_config then
+    return 1
+  end
+  if getmetatable(self.current_config) == VariantConfig then
+    return 1
+  end
+end
+
+function Project:configure_display_options()
+  return self.display_options
+end
+
+function Project:build_command()
+  if not self.current_config then
+    return
+  end
+  if getmetatable(self.current_config) == VariantConfig then
+    return self.current_config.build_command
+  end
+end
+
+function Project:build_directory()
+  if not self.current_config then
+    return
+  end
+  return self.current_config.build_directory
+end
+
+function Project:list_configs()
+  return self.configs
+end
+
+function Project:list_builds(opts)
+  if getmetatable(self.current_config) == VariantConfig then
+    return { self.current_config }
+  end
 end
 
 return Project
diff --git a/lua/cmake-explorer/project_uauaua.lua b/lua/cmake-explorer/project_uauaua.lua
new file mode 100644
index 0000000..b54abd6
--- /dev/null
+++ b/lua/cmake-explorer/project_uauaua.lua
@@ -0,0 +1,113 @@
+local config = require("cmake-explorer.config")
+local capabilities = require("cmake-explorer.capabilities")
+local FileApi = require("cmake-explorer.file_api")
+local Path = require("plenary.path")
+local Scandir = require("plenary.scandir")
+local utils = require("cmake-explorer.utils")
+local notif = require("cmake-explorer.notification")
+
+local Project = {}
+
+Project.__index = Project
+
+function Project:new(o)
+	o = o or {}
+
+	local path
+	if type(o) == "string" then
+		path = o
+	elseif type(o) == "table" and o.path then
+		path = o.path
+	else
+		return
+	end
+
+	if not Path:new(path, "CMakeLists.txt"):exists() then
+		return
+	end
+
+	local obj = {
+		path = path,
+		fileapis = {},
+		last_generate = nil,
+	}
+	notif.notify("PATH " .. obj.path)
+	setmetatable(
+		obj.fileapis,
+		utils.make_maplike_list(function(v)
+			return v.path
+		end)
+	)
+	setmetatable(obj, Project)
+	return obj
+end
+
+function Project:scan_build_dirs()
+	local builds_root = utils.is_eq(
+		Path:new(config.build_dir):is_absolute(),
+		true,
+		Path:new(config.build_dir),
+		Path:new(self.path, config.build_dir)
+	)
+	local candidates =
+			Scandir.scan_dir(builds_root:absolute(), { hidden = false, only_dirs = true, depth = 0, silent = true })
+	for _, v in ipairs(candidates) do
+		local fa = FileApi:new(v)
+		if fa and fa:exists() and fa:read_reply() then
+			self.fileapis[fa.path] = fa
+		end
+	end
+end
+
+function Project:symlink_compile_commands(path)
+	local src = Path:new(path, "compile_commands.json")
+	if src:exists() then
+		vim.cmd(
+			'silent exec "!'
+			.. config.cmake_cmd
+			.. " -E create_symlink "
+			.. src:normalize()
+			.. " "
+			.. Path:new(self.path, "compile_commands.json"):normalize()
+			.. '"'
+		)
+	end
+end
+
+function Project:configure(params)
+	params = params or {}
+	local args = utils.generate_args(params, self.path)
+	local build_dir = utils.build_path(params, self.path)
+	if not args then
+		return
+	end
+	if not self.fileapis[build_dir] then
+		local fa = FileApi:new(build_dir)
+		if not fa then
+			notif.notify("Cannot fileapi object", vim.log.levels.ERROR)
+			return
+		end
+		if not fa:create() then
+			return
+		end
+		self.fileapis[build_dir] = fa
+	end
+
+	local job_args = {
+		cmd = config.cmake_cmd,
+		args = args,
+		cwd = self.path,
+		after_success = function()
+			self.last_generate = job_args
+			self.fileapis[build_dir]:read_reply()
+			self:symlink_compile_commands(build_dir)
+		end,
+	}
+	return job_args
+end
+
+function Project:configure_last()
+	return self.last_generate
+end
+
+return Project
diff --git a/lua/cmake-explorer/runner.lua b/lua/cmake-explorer/runner.lua
index ca596ac..f2765fe 100644
--- a/lua/cmake-explorer/runner.lua
+++ b/lua/cmake-explorer/runner.lua
@@ -1,4 +1,5 @@
 local Job = require("plenary.job")
+local notif = require("cmake-explorer.notification")
 
 local M = {}
 
@@ -12,17 +13,33 @@ function M.start(command)
 	end
 	local env = vim.tbl_extend("force", vim.loop.os_environ(), command.env and command.env or {})
 
-	vim.notify(command.cmd .. " " .. table.concat(command.args, " "))
+	if command.before_run then
+		if not command.before_run() then
+			notif.notify("Before run command failed", vim.log.levels.ERROR)
+			return
+		end
+	end
+	notif.notify(command.cmd .. " " .. table.concat(command.args, " "))
 	local job = Job:new({
 		command = command.cmd,
 		args = command.args,
 		env = env,
+		on_stdout = vim.schedule_wrap(function(err, data) end),
 		on_exit = vim.schedule_wrap(function(_, code, signal)
-			if code == 0 and signal == 0 and command.after_success then
-				command.after_success()
+			if code == 0 and signal == 0 then
+				if command.after_success then
+					command.after_success()
+				end
 			else
-				vim.notify(
-					"Code " .. tostring(code) .. ": " .. command.cmd .. " " .. table.concat(command.args, " "),
+				notif.notify(
+					"Code "
+					.. code
+					.. " Signal "
+					.. signal
+					.. ": "
+					.. command.cmd
+					.. " "
+					.. table.concat(command.args, " "),
 					vim.log.levels.ERROR
 				)
 			end
diff --git a/lua/cmake-explorer/telescope/make_entry.lua b/lua/cmake-explorer/telescope/make_entry.lua
new file mode 100644
index 0000000..cc919bd
--- /dev/null
+++ b/lua/cmake-explorer/telescope/make_entry.lua
@@ -0,0 +1,57 @@
+local make_entry = require("telescope.make_entry")
+local entry_display = require("telescope.pickers.entry_display")
+local config = require("cmake-explorer.config")
+
+local M = {}
+
+M.gen_from_configure = function(opts)
+  local project = require("cmake-explorer").project
+  local displayer = entry_display.create({
+    separator = " ",
+    items = {
+      { width = project.display.short_len + 5 },
+      { remaining = true },
+    },
+  })
+  local make_display = function(entry)
+    vim.print(entry)
+    return displayer({
+      { entry.value.display.short, "TelescopeResultsIdentifier" },
+      { entry.value.display.long,  "TelescopeResultsComment" },
+    })
+  end
+  return function(entry)
+    return make_entry.set_default_entry_mt({
+      value = entry,
+      ordinal = table.concat(entry.short, config.variants_display.short_sep),
+      display = make_display,
+    }, opts)
+  end
+end
+
+M.gen_from_build = function(opts)
+  local project = require("cmake-explorer").project
+  local displayer = entry_display.create({
+    separator = " ",
+    items = {
+      { width = project.display.short_len + 5 },
+      { remaining = true },
+    },
+  })
+  local make_display = function(entry)
+    vim.print(entry)
+    return displayer({
+      { entry.value.display.short, "TelescopeResultsIdentifier" },
+      { entry.value.display.long,  "TelescopeResultsComment" },
+    })
+  end
+  return function(entry)
+    return make_entry.set_default_entry_mt({
+      value = entry,
+      ordinal = table.concat(entry.short, config.variants_display.short_sep),
+      display = make_display,
+    }, opts)
+  end
+end
+
+return M
diff --git a/lua/cmake-explorer/telescope/pickers.lua b/lua/cmake-explorer/telescope/pickers.lua
new file mode 100644
index 0000000..b2c7f56
--- /dev/null
+++ b/lua/cmake-explorer/telescope/pickers.lua
@@ -0,0 +1,103 @@
+local pickers = require("telescope.pickers")
+local finders = require("telescope.finders")
+local conf = require("telescope.config").values
+local actions = require("telescope.actions")
+local action_state = require("telescope.actions.state")
+local cmake_make_entry = require("cmake-explorer.telescope.make_entry")
+local notif = require("cmake-explorer.notification")
+local previewers = require("cmake-explorer.telescope.previewers")
+
+local M = {}
+
+M.build_dirs = function(opts)
+	local cmake = require("cmake-explorer")
+	pickers
+			.new(opts, {
+				prompt_title = "CMake Builds",
+				finder = finders.new_table({
+					results = cmake.project.fileapis,
+					-- entry_maker = cmake_make_entry.gen_from_fileapi(opts),
+					entry_maker = function(entry)
+						return {
+							value = entry,
+							display = entry.path,
+							ordinal = entry.path,
+						}
+					end,
+					sorter = conf.generic_sorter(opts),
+					-- attach_mappings = function(prompt_bufnr, map)
+					-- 	actions.select_default:replace(function() end)
+					-- 	return true
+					-- end,
+				}),
+			})
+			:find()
+end
+
+M.configure = function(opts)
+	local cmake = require("cmake-explorer")
+	local runner = require("cmake-explorer.runner")
+	opts.layout_strategy = "vertical"
+	opts.layout_config = {
+		prompt_position = "top",
+		preview_cutoff = 0,
+		preview_height = 5,
+		mirror = true,
+	}
+	pickers
+			.new(opts, {
+				default_selection_index = cmake.project:current_configure_index(),
+				prompt_title = "CMake Configure Options",
+				finder = finders.new_table({
+					results = cmake.project:list_configs(),
+					entry_maker = cmake_make_entry.gen_from_configure(opts),
+				}),
+				sorter = conf.generic_sorter(opts),
+				previewer = previewers.configure_previewer(),
+				attach_mappings = function(prompt_bufnr, map)
+					actions.select_default:replace(function()
+						actions.close(prompt_bufnr)
+						local selection = action_state.get_selected_entry()
+						cmake.project.current_config = selection.value
+						runner.start(selection.value.configure_command)
+					end)
+					return true
+				end,
+			})
+			:find()
+end
+
+M.build = function(opts)
+	local cmake = require("cmake-explorer")
+	local runner = require("cmake-explorer.runner")
+	opts.layout_strategy = "vertical"
+	opts.layout_config = {
+		prompt_position = "top",
+		preview_cutoff = 0,
+		preview_height = 5,
+		mirror = true,
+	}
+	pickers
+			.new(opts, {
+				default_selection_index = cmake.project:current_build_index(),
+				prompt_title = "CMake Build Options",
+				finder = finders.new_table({
+					results = cmake.project:list_builds(),
+					entry_maker = cmake_make_entry.gen_from_configure(opts),
+				}),
+				sorter = conf.generic_sorter(opts),
+				previewer = previewers.build_previewer(),
+				attach_mappings = function(prompt_bufnr, map)
+					actions.select_default:replace(function()
+						actions.close(prompt_bufnr)
+						local selection = action_state.get_selected_entry()
+						cmake.project.current_config = selection.value
+						runner.start(selection.value.build_command)
+					end)
+					return true
+				end,
+			})
+			:find()
+end
+
+return M
diff --git a/lua/cmake-explorer/telescope/previewers.lua b/lua/cmake-explorer/telescope/previewers.lua
new file mode 100644
index 0000000..39fea4a
--- /dev/null
+++ b/lua/cmake-explorer/telescope/previewers.lua
@@ -0,0 +1,40 @@
+local previewers = require("telescope.previewers")
+local config = require("cmake-explorer.config")
+
+local M = {}
+
+M.configure_previewer = function(opts)
+  return previewers.new_buffer_previewer({
+    title = "Configure Details",
+
+    define_preview = function(self, entry)
+      if self.state.bufname then
+        return
+      end
+      local entries = {
+        "Command:",
+        config.cmake_path .. " " .. table.concat(entry.value.configure_args, " "),
+      }
+      vim.api.nvim_buf_set_lines(self.state.bufnr, 0, -1, false, entries)
+    end,
+  })
+end
+
+M.build_previewer = function(opts)
+  return previewers.new_buffer_previewer({
+    title = "Build Details",
+
+    define_preview = function(self, entry)
+      if self.state.bufname then
+        return
+      end
+      local entries = {
+        "Command:",
+        config.cmake_path .. " " .. table.concat(entry.value.build_args, " "),
+      }
+      vim.api.nvim_buf_set_lines(self.state.bufnr, 0, -1, false, entries)
+    end,
+  })
+end
+
+return M
diff --git a/lua/cmake-explorer/telescope/test.lua b/lua/cmake-explorer/telescope/test.lua
new file mode 100644
index 0000000..7b8bb00
--- /dev/null
+++ b/lua/cmake-explorer/telescope/test.lua
@@ -0,0 +1,46 @@
+local pickers = require("telescope.pickers")
+local finders = require("telescope.finders")
+local conf = require("telescope.config").values
+local actions = require("telescope.actions")
+local action_state = require("telescope.actions.state")
+
+-- our picker function: colors
+local colors = function(opts)
+	opts = opts or {}
+	pickers
+		.new(opts, {
+			prompt_title = "colors",
+			finder = finders.new_table({
+				results = {
+					{ "red", "#ff0000" },
+					{ "green", "#00ff00" },
+					{ "blue", "#0000ff" },
+				},
+				entry_maker = function(entry)
+					return {
+						value = entry,
+						display = entry[1],
+						ordinal = entry[1],
+					}
+				end,
+			}),
+			sorter = conf.generic_sorter(opts),
+			attach_mappings = function(prompt_bufnr, map)
+				map({ "i", "n" }, "<C-r>", function(_prompt_bufnr)
+					print("You typed <C-r>")
+				end)
+
+				actions.select_default:replace(function()
+					actions.close(prompt_bufnr)
+					local selection = action_state.get_selected_entry()
+					-- print(vim.inspect(selection))
+					vim.api.nvim_put({ selection[1] }, "", false, true)
+				end)
+				return true
+			end,
+		})
+		:find()
+end
+
+-- to execute the function
+colors()
diff --git a/lua/cmake-explorer/utils.lua b/lua/cmake-explorer/utils.lua
index e944642..61b5c98 100644
--- a/lua/cmake-explorer/utils.lua
+++ b/lua/cmake-explorer/utils.lua
@@ -2,75 +2,40 @@ local config = require("cmake-explorer.config")
 local capabilities = require("cmake-explorer.capabilities")
 local Path = require("plenary.path")
 
-local utils = {
-	plugin_prefix = "CM",
-}
+local utils = {}
 
-utils.build_dir_name = function(params)
-	if capabilities.is_multiconfig_generator(params.generator) then
-		return config.build_dir_template[1]
-	else
-		local paths = {}
-		for k, v in ipairs(config.build_dir_template) do
-			local path = v:gsub("${buildType}", params.build_type)
-			if k ~= 1 and config.build_dir_template.case then
-				if config.build_dir_template.case == "lower" then
-					path = string.lower(path)
-				elseif config.build_dir_template.case == "upper" then
-					path = string.upper(path)
-				end
-			end
-			table.insert(paths, path)
-		end
-		return table.concat(paths, config.build_dir_template.sep)
-	end
-end
-
-utils.build_path = function(params, source_dir)
-	if type(params) == "string" then
-		return params
-	end
+utils.build_path = function(build_dir, source_dir)
 	local build_path = Path:new(config.build_dir)
 	if build_path:is_absolute() then
-		return (build_path / utils.build_dir_name(params)):absolute()
+		return (build_path / build_dir):absolute()
 	else
-		return Path:new(source_dir, build_path, utils.build_dir_name(params)):absolute()
+		return Path:new(build_path, build_dir):normalize()
 	end
 end
 
-utils.generate_args = function(params, source_dir)
-	local ret = {}
-
-	if type(params) == "string" then
-		table.insert(ret, "-B" .. Path:new(params):make_relative(source_dir))
-	else
-		if params.preset then
-			table.insert(ret, "--preset " .. params.preset)
-		else
-			if params.generator and vim.tbl_contains(capabilities.generators(), params.generator) then
-				table.insert(ret, "-G" .. params.generator)
-			end
-
-			params.build_type = params.build_type or config.build_types[1]
-			if params.build_type then
-				table.insert(ret, "-DCMAKE_BUILD_TYPE=" .. params.build_type)
-			end
-
-			table.insert(ret, "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON")
-
-			if type(params.args) == "table" then
-				for k, v in pairs(params.args) do
-					table.insert(ret, "-D" .. k .. "=" .. v)
-				end
-			elseif type(params.args) == "string" then
-				table.insert(ret, params.args)
-			end
-			table.insert(ret, "-B" .. Path:new(utils.build_path(params, source_dir)):make_relative(source_dir))
-		end
+utils.substitude = function(str, subs)
+	local ret = str
+	for k, v in pairs(subs) do
+		ret = ret:gsub(k, v)
 	end
 	return ret
 end
 
+function utils.symlink_compile_commands(src_path, dst_path)
+	local src = Path:new(src_path, "compile_commands.json")
+	if src:exists() then
+		vim.cmd(
+			'silent exec "!'
+			.. config.cmake_path
+			.. " -E create_symlink "
+			.. src:normalize()
+			.. " "
+			.. Path:new(dst_path, "compile_commands.json"):normalize()
+			.. '"'
+		)
+	end
+end
+
 utils.is_eq = function(val, cmp, if_eq, if_not_eq)
 	if val == cmp then
 		if if_eq then
@@ -103,4 +68,25 @@ utils.is_neq = function(val, cmp, if_eq, if_not_eq)
 	end
 end
 
+utils.make_maplike_list = function(proj)
+	local mt = {}
+	mt.__index = function(t, k)
+		for _, value in ipairs(t) do
+			if proj(value) == k then
+				return value
+			end
+		end
+	end
+	mt.__newindex = function(t, k, v)
+		for key, value in ipairs(t) do
+			if proj(value) == k then
+				rawset(t, key, v)
+				return
+			end
+		end
+		rawset(t, #t + 1, v)
+	end
+	return mt
+end
+
 return utils
diff --git a/lua/telescope/_extensions/cmake-explorer.lua b/lua/telescope/_extensions/cmake-explorer.lua
new file mode 100644
index 0000000..e69de29
diff --git a/plugin/cmake-explorer.lua b/plugin/cmake-explorer.lua
new file mode 100644
index 0000000..8413923
--- /dev/null
+++ b/plugin/cmake-explorer.lua
@@ -0,0 +1,33 @@
+local cmd = vim.api.nvim_create_user_command
+
+cmd("CMakeSelectBehaviour", function()
+	require("cmake-explorer").change_current_behaviour()
+end, { desc = "Configure one of existings directories" })
+
+cmd("CMakeSelectConfig", function()
+	require("cmake-explorer").change_current_config()
+end, { desc = "Configure with parameters" })
+
+cmd("CMakeConfigure", function()
+	require("cmake-explorer").configure()
+end, { desc = "Configure with parameters" })
+
+cmd("CMakeConfigureLast", function()
+	require("cmake-explorer").configure_last()
+end, { desc = "Configure last if exists. Otherwise default" })
+
+cmd("CMakeBuild", function()
+	require("cmake-explorer").build()
+end, { desc = "Configure one of existings directories" })
+
+cmd("CMakeBuildLast", function()
+	require("cmake-explorer").build_last()
+end, { desc = "Configure one of existings directories" })
+
+cmd("CMakeConfigureProject", function()
+	require("cmake-explorer").configure_project()
+end, { desc = "Configure one of existings directories" })
+
+cmd("CMakeInitProject", function()
+	require("cmake-explorer").init_project()
+end, { desc = "Configure one of existings directories" })
-- 
cgit v1.2.3