--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author      ruki
-- @file        xmake.lua
--

task("lua")
    set_category("plugin")
    on_run("main")
    set_menu {
        usage = "xmake lua|l [options] [script] [arguments]",
        description = "Run the lua script.",
        shortname = 'l',
        options = {
            {'l', "list",        "k",  nil, "List all scripts."},
            {'c', "command",     "k",  nil, "Run script as command"},
            {'d', "deserialize", "kv", nil, "Deserialize arguments starts with given prefix"},
            {nil, "stdin",       "k",  nil, "Run script from stdin",
                                            "e.g.",
                                            "    - echo 'print(\"hello\")' | xmake lua --stdin",
                                            "    - cat script.lua | xmake lua --stdin"},
            {nil, "script",      "v",  nil, "Run the given lua script name, file or module and enter interactive mode if no given script.",
                                            "e.g.",
                                            "    - xmake lua (enter interactive mode)",
                                            "    - xmake lua /tmp/script.lua",
                                            "    - xmake lua echo 'hello xmake'",
                                            "    - xmake lua core.xxx.xxx",
                                            "    - xmake lua -c 'print(...)' hello xmake!",
                                            values = function (complete, opt)
                                                if not complete or opt.command or opt.list then
                                                    return
                                                end
                                                local list = import("main.scripts")()
                                                if list and complete then
                                                    local result = {}
                                                    for _, item in ipairs(list) do
                                                        if item:startswith(complete) then
                                                            table.insert(result, item)
                                                        end
                                                    end
                                                    if #result > 0 then
                                                        return result
                                                    end
                                                end
                                                -- we just return nil and fallback to system autocomplete
                                                -- it will complete file path, e.g. `xmake l scripts/test.lua`
                                            end},
            {nil, "arguments",   "vs", nil, "The script arguments, use '--deserialize' option to enable deserializing.",
                                            "e.g.",
                                            "    - xmake lua -d@ lib.detect.find_tool tar @{version=true}"},
        }
    }