-------------------------------------------------------------------------------
--     - Vim REST Console extensions library -
-------------------------------------------------------------------------------

local function get_vim_rest_home_dir()
    vim.fn.mkdir(vim.env.NVIMHOME .. "/vim-rest-console", "p")
    return vim.env.NVIMHOME .. "/vim-rest-console"
end

-- Opens up a new tab if current buffer is not empty
local function new_tab_if_needed()
    if vim.api.nvim_buf_get_name("%") ~= "" then
        -- Current buffer is not empty, open up a new tab
        vim.cmd("tabnew")
    end
end

local function open_rest_console(file)
    new_tab_if_needed()
    local ending = ".rest"
    if file:sub(-(#ending)) ~= ending then
        file = file .. ".rest"
    end
    vim.cmd("e " .. file)
end

local function open_cached_rest_console(name)
    local dir = get_vim_rest_home_dir()
    open_rest_console(dir .. "/" .. name)
end

-------------------------------------------------------------------------------
--    - Public API -
-------------------------------------------------------------------------------

local M = {}

-- Opens us a scratch rest console (not saved)
function M.open_scratch_rest_console()
    new_tab_if_needed()
    vim.cmd("set ft=rest")
end

-- Opens up a rest console which can be saved -- cached by name
function M.open_cached_rest_console(...)
    local name = select(1, ...)
    if (select("#", ...) == 0) then
        name = require "common.projects".get_project_id()
    end
    open_cached_rest_console(name)
end

-- Opens up a rest console which can be saved -- cached by name
function M.open_named_cached_rest_console(name)
    name = require "common.projects".get_project_id() .. name
    open_cached_rest_console(name)
end

-- Opens up a rest console based on local file path
function M.open_local_rest_console(...)
    local file = select(1, ...)
    if (select("#", ...) == 0) then
        file = "default"
    end
    open_rest_console(file)
end

return M