'use strict'

############################################################################################################
#
#===========================================================================================================
UNSTABLE_CALLSITE_BRICS =
  

  #===========================================================================================================
  ### NOTE Future Single-File Module ###
  require_get_callsite: ->

    #=========================================================================================================
    UTIL        = require 'node:util'
    URL         = require 'node:url'
    { debug,  } = console

    #---------------------------------------------------------------------------------------------------------
    internals = {}

    #---------------------------------------------------------------------------------------------------------
    get_callsite = ({ delta = 1, sourcemapped = true, }={}) ->
      frame_count = if delta < 10 then 10 else 200
      callsites   = UTIL.getCallSites frame_count, { sourceMap: sourcemapped, }
      return callsites[ delta ]

    #---------------------------------------------------------------------------------------------------------
    get_callsite_path = ({ delta = 1 }={}) ->
      R = ( get_callsite { delta: delta + 1, } ).scriptName
      R = URL.fileURLToPath R if R.startsWith 'file://'
      return R

    #=========================================================================================================
    internals = Object.freeze internals
    return exports = {
      get_callsite, get_callsite_path, internals, }


  #===========================================================================================================
  ### NOTE Future Single-File Module ###
  require_get_app_details: ->

    #=========================================================================================================
    PATH        = require 'node:path'
    UTIL        = require 'node:util'
    URL         = require 'node:url'
    { debug,  } = console
    misfit      = Symbol 'misfit'
    CS          = UNSTABLE_CALLSITE_BRICS.require_get_callsite()

    #---------------------------------------------------------------------------------------------------------
    internals = { misfit, }

    #---------------------------------------------------------------------------------------------------------
    get_app_details = ({ delta = 1, path = null, }={}) ->
      # callsite = get_callsite { delta: delta + 1, }
      path ?= PATH.dirname CS.get_callsite_path { delta: delta + 1, }
      #.......................................................................................................
      loop
        # break
        try
          package_path  = PATH.join path, 'package.json'
          package_json  = require package_path
          break
        catch error
          throw error unless error.code is 'MODULE_NOT_FOUND'
        path = PATH.dirname path
      #.......................................................................................................
      { name,
        version,  } = package_json
      return { name, version, path, package_path, package_json, }

    #---------------------------------------------------------------------------------------------------------
    require_from_app_folder = ({ delta = 1, path, }={}) ->
      unless ( typeof path ) is 'string'
        throw new Error "Ω___3 expected path to be a text, got #{path}"
      app     = get_app_details { delta: delta + 1, }
      abspath = PATH.resolve PATH.join app.path, path
      return require abspath

    #---------------------------------------------------------------------------------------------------------
    get_bricabrac_cfg = ({ delta = 1, path = 'bricabrac.cfg.js', fallback = misfit, }={}) ->
      app     = get_app_details { delta: delta + 1, }
      abspath = PATH.resolve PATH.join app.path, path
      try
        R = require abspath
      catch error
        throw error unless error.code is 'MODULE_NOT_FOUND'
        throw error if fallback is misfit
        return fallback
      R = { app, R..., }
      #.......................................................................................................
      ### TAINT use proper templates for default values ###
      if R.datastore?
        R.datastore.filename  = "#{R.datastore.name}.sqlite"
        R.datastore.path      = PATH.resolve PATH.join app.path, R.datastore.filename
      #.......................................................................................................
      return R

    #=========================================================================================================
    internals = Object.freeze internals
    return exports = {
      get_app_details, require_from_app_folder, get_bricabrac_cfg, internals, }


#===========================================================================================================
Object.assign module.exports, UNSTABLE_CALLSITE_BRICS