local teaching = {}

local function ends_with(path, extension)
    return string.sub(path, -#extension) == extension
end

local function should_load(path)
    if string.find(path, "build") or string.find(path, "sfml") then
        return false
    elseif ends_with(path, ".h") or ends_with(path, ".cpp") or ends_with(path, ".cpp") or ends_with(path, ".cpp") then
        return true
    end
end

function teaching.load()
    require("nvim-tree").open()
    require("trouble").open()
    local scan = require("plenary.scandir").scan_dir('.')
    local cwd = vim.fn.getcwd()
    for _, v in ipairs(scan) do
        local filename = vim.fs.normalize(v)
        if should_load(v) then
            vim.api.nvim_set_current_dir(cwd)
            local buf_id = vim.fn.bufadd(filename)
            vim.api.nvim_set_current_buf(buf_id)
            vim.api.nvim_buf_set_option(buf_id, "buflisted", true)
        end
    end
    vim.api.nvim_set_current_dir(cwd)
end

return teaching