-- <https://github.com/L3MON4D3/LuaSnip/blob/69cb81cf7490666890545fef905d31a414edc15b/lua/luasnip/config.lua#L82-L104>
local s = require("luasnip.nodes.snippet").S
local f = require("luasnip.nodes.functionNode").F
local i = require("luasnip.nodes.insertNode").I
local fmt = require("luasnip.extras.fmt").fmt
local t = require("luasnip.nodes.textNode").T

local my = require('my.functions')
return {
    s({ trig = 'main',
        name = 'main',
        dscr = 'main function'
    }, {
        t({ 'int main(int argc, char *argv[]) {' }),
        i(0),
        t({ '', '}' })
    }),
    s({ trig = 'includeguard',
        name = 'includeguard',
        dscr = 'add include guard'
    },
        fmt([[#ifndef {project}_{basename}
#define {project}_{basename}

{cursor}

#endif // {project}_{basename}]], {
            project = f(function()
                local root = my.get_project_root()
                if root then return root:gsub('.*/', ''):upper() end
                return 'INSERT_PROJECT'
            end),
            basename = f(function()
                return vim.fs.basename(vim.api.nvim_buf_get_name(0)):upper()
                    :gsub('%.', '_')
            end),
            cursor = i(0)
        }))
}