local CURRENT_COMMAND = ""

---@param command string
---@return nil
function executeCommandInTerminal(command)
    vim.cmd.term()
    vim.cmd.startinsert()
    local channel = vim.bo.channel
    -- 'clear' is used to hide the command
    local exit_message = "\nPress enter to exit..."
    vim.api.nvim_chan_send(channel,
                           "clear && " .. command .. "; echo '" .. exit_message ..
                               "' && read -s && exit" .. "\n")
end

local COMMANDS = {}
COMMANDS.EditBatConfig = {
    command = "cmake --build build",
    description = "Build project"
}

COMMANDS.SourceCurrentLuaFile = {
    command = "pwd",
    description = "Print current working directory"
}

COMMANDS.AddTempCommand = {
    command = "echo 'Please implement me! A lua script which is executed maybe? Also remove global variables :p'",
    description = "TODO IMPLEMENT ME"
}

function selectCommand(listOfCommands, callback)
    vim.ui.select(vim.tbl_keys(listOfCommands), {
        prompt = "Select your command.",
        format_item = function(item)
            return listOfCommands[item].description
        end
    }, function(choice)
        if (choice ~= nil) then
            CURRENT_COMMAND = listOfCommands[choice].command
            callback()
        end
    end)
end

function executeCommand(listOfCommands)
    if (string.len(CURRENT_COMMAND) == 0) then
        selectCommand(listOfCommands,
                      function()
            executeCommandInTerminal(CURRENT_COMMAND)
        end)
    else
        executeCommandInTerminal(CURRENT_COMMAND)
    end
end

vim.keymap.set("n", "mc", function() executeCommand(COMMANDS) end)
vim.keymap.set("n", "mC", function()
    selectCommand(COMMANDS,
                  function() executeCommandInTerminal(CURRENT_COMMAND) end)
end)