local M = {}

local utils = require("vern.utils")
local templates = require("vern.templates")

local join = vim.fs.joinpath

---@param cfg table Language config
---@param pname string Name of project
---@param root string Project location
---@return string bin Location of executable
function M.create(cfg, pname, root)
    local ctx = { project_name = pname }

    vim.fn.mkdir(root, "p")
    local bin

    for _, dir in pairs(cfg.dirs) do
        local path = vim.fs.normalize(join(root, utils.fmt(dir, ctx)))
        vim.fn.mkdir(path, "p")
    end

    for tbl_name, tbl in pairs(cfg.templates.project) do
        local raw_path = join(tbl.path, tbl.name)
        local path = utils.resolve_path(raw_path, cfg.dirs, ctx)
        if tbl_name == "primary" then
            bin = join(root, path)
        end
        local abs_file_path = vim.fs.normalize(join(root, path))
        local abs_dir_path = vim.fs.dirname(abs_file_path)
        if abs_dir_path ~= root and not vim.startswith(root, abs_dir_path) then
            vim.fn.mkdir(abs_dir_path, "p")
        end
        utils.dump(abs_file_path, templates.fetch(tbl.kind_path, tbl.kind, pname))
    end
    for _, tbl in pairs(cfg.templates.extras) do
        if tbl.enabled then
            local raw_path = join(tbl.path, tbl.name)
            local path = utils.resolve_path(raw_path, cfg.dirs, ctx)
            local abs_file_path = vim.fs.normalize(join(root, path))
            local abs_dir_path = vim.fs.dirname(abs_file_path)
            if abs_dir_path ~= root and not vim.startswith(root, abs_dir_path) then
                vim.fn.mkdir(abs_dir_path, "p")
            end
            utils.dump(abs_file_path, templates.fetch(tbl.kind_path, tbl.kind, pname))
        end
    end

    return bin
end

return M